{"id":45287,"date":"2024-02-23T09:43:13","date_gmt":"2024-02-23T09:43:13","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=45287"},"modified":"2024-02-23T09:44:01","modified_gmt":"2024-02-23T09:44:01","slug":"dc-contactor","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/","title":{"rendered":"DC\u30b3\u30f3\u30bf\u30af\u30bf"},"content":{"rendered":"<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u3001\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u6a5f\u69cb\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001DC \u56de\u8def\u5185\u306e\u96fb\u6d41\u3092\u5b8c\u5168\u306b\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u76ee\u6b21\u3092\u5207\u308a\u66ff\u3048\u308b\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u30c8\u30b0\u30eb<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Features_of_DC_Contactors\" >DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u7279\u5fb4<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Dustproof\" >\u9632\u5875<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Support_Wide_Temperature_Range\" >\u5e83\u3044\u6e29\u5ea6\u7bc4\u56f2\u3092\u30b5\u30dd\u30fc\u30c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#High-Quality_Materials\" >\u9ad8\u54c1\u8cea\u306e\u7d20\u6750<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Rustproof\" >\u9306\u3073\u306a\u3044<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Types_of_Contactors_for_DC_Switching\" >DC\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7528\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u7a2e\u985e<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#By_Design\" >\u30c7\u30b6\u30a4\u30f3\u306b\u3088\u3063\u3066<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Knife_Blade\" >\u30ca\u30a4\u30d5\u306e\u5203<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Manual\" >\u30de\u30cb\u30e5\u30a2\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#DC_Magnetic_Contactor\" >DC \u78c1\u6c17\u63a5\u89e6\u5668<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#By_Voltage\" >\u96fb\u5727\u5225<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#12v_DC_Contactor\" >12V DC\u30b3\u30f3\u30bf\u30af\u30bf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#DC_Contactor_24V\" >DC\u30b3\u30f3\u30bf\u30af\u30bf24V<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#DC_Contactor_48V\" >DC\u30b3\u30f3\u30bf\u30af\u30bf48V<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#220v_DC_Contactor\" >220V DC\u30b3\u30f3\u30bf\u30af\u30bf<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#By_the_Number_of_Poles\" >\u30dd\u30fc\u30eb\u306e\u6570\u3067<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Single_Pole_DC_Contactor\" >\u5358\u6975DC\u30b3\u30f3\u30bf\u30af\u30bf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#2_Pole_DC_Contactor\" >2\u6975DC\u30b3\u30f3\u30bf\u30af\u30bf<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#DC_vs_AC_Contactors\" >DC \u30b3\u30f3\u30bf\u30af\u30bf\u3068 AC \u30b3\u30f3\u30bf\u30af\u30bf<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Structural\" >\u69cb\u9020\u7684<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Principles\" >\u539f\u5247<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Material_used_for_Plating\" >\u30e1\u30c3\u30ad\u306b\u4f7f\u7528\u3059\u308b\u6750\u6599<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Shape_of_the_Iron_Core\" >\u9244\u5fc3\u306e\u5f62\u72b6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Operating_Frequency\" >\u52d5\u4f5c\u5468\u6ce2\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Electrical_Resistivity\" >\u96fb\u6c17\u62b5\u6297\u7387<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Room_Requirement\" >\u90e8\u5c4b\u306e\u8981\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Extinguisher\" >\u6d88\u706b\u5668<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#How_to_Choose_Contactors_for_DC_Switching\" >DC\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7528\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u9078\u3073\u65b9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Current_Inductance\" >\u96fb\u6d41\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Application_Type\" >\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30bf\u30a4\u30d7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Service_Life\" >\u8010\u7528\u5e74\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Maintenance_Requirement\" >\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u8981\u4ef6<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Direction_of_Operation_for_DC_Contactor\" >DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u52d5\u4f5c\u65b9\u5411<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Main_Components_Of_The_DC_Contactor\" >DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u4e3b\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#1_ElectromagnetCoil\" >1. \u96fb\u78c1\u77f3\/\u30b3\u30a4\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#2_Contacts\" >2. \u9023\u7d61\u5148<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#3_BodyFrame\" >3. \u30dc\u30c7\u30a3\/\u30d5\u30ec\u30fc\u30e0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#How_does_Contactor_for_DC_Switching_Work\" >DC \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7528\u30b3\u30f3\u30bf\u30af\u30bf\u306f\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u304b?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#DC_Contactors_Vs_Relays\" >DC \u30b3\u30f3\u30bf\u30af\u30bf\u3068\u30ea\u30ec\u30fc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Common_Causes_of_Failure_in_Contactors_for_DC_Switching\" >DC\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7528\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u4e00\u822c\u7684\u306a\u6545\u969c\u539f\u56e0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Overcurrent\" >\u904e\u96fb\u6d41<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Temperature_Boost\" >\u6e29\u5ea6\u30d6\u30fc\u30b9\u30c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Improper_Installation\" >\u4e0d\u9069\u5207\u306a\u53d6\u308a\u4ed8\u3051<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Aging\" >\u30a8\u30fc\u30b8\u30f3\u30b0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Fluctuating_Voltage\" >\u5909\u52d5\u96fb\u5727<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#High_Current_DC_Contactor_vs_High_Voltage_DC_Contactor\" >\u9ad8\u96fb\u6d41 DC \u30b3\u30f3\u30bf\u30af\u30bf\u3068\u9ad8\u96fb\u5727 DC \u30b3\u30f3\u30bf\u30af\u30bf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#DC_Contactor_Wiring_Diagram\" >DC\u30b3\u30f3\u30bf\u30af\u30bf\u914d\u7dda\u56f3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Applications\" >\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#DC_Drive_Contactors\" >DC\u30c9\u30e9\u30a4\u30d6\u30b3\u30f3\u30bf\u30af\u30bf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#DC_Switching_Contactor\" >DC\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30b3\u30f3\u30bf\u30af\u30bf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-51\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Solid_state_DC_contactor\" >\u30bd\u30ea\u30c3\u30c9\u30b9\u30c6\u30fc\u30c8DC\u30b3\u30f3\u30bf\u30af\u30bf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-52\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#DC_Air_break_contactor\" >DC\u30a8\u30a2\u30d6\u30ec\u30fc\u30af\u30b3\u30f3\u30bf\u30af\u30bf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-53\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Electric_vehicle_DC_contactor\" >\u96fb\u6c17\u81ea\u52d5\u8eca\u7528DC\u30b3\u30f3\u30bf\u30af\u30bf<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-54\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Quick_FAQs\" >\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-55\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Why_does_the_DC_Contactor_fail\" >DC \u30b3\u30f3\u30bf\u30af\u30bf\u304c\u6545\u969c\u3059\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-56\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Does_the_load_affect_the_DC_Contactor_capacity\" >\u8ca0\u8377\u306f DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u5bb9\u91cf\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-57\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/#Conclusion\" >\u7d50\u8ad6<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Features_of_DC_Contactors\"><\/span>DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u7279\u5fb4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_45288\" aria-describedby=\"caption-attachment-45288\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45288\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-1-DC-Contractor.jpg\" alt=\"DC \u8acb\u8ca0\u696d\u8005\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-1-DC-Contractor.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-1-DC-Contractor-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45288\" class=\"wp-caption-text\">DC \u8acb\u8ca0\u696d\u8005<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Dustproof\"><\/span>\u9632\u5875<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30cf\u30a6\u30b8\u30f3\u30b0\u306f <a href=\"https:\/\/www.electricaltechnology.org\/2020\/06\/electrical-contactor.html\">\u96fb\u6c17\u63a5\u89e6\u5668<\/a> \u5185\u90e8\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u308a\u9632\u5875\u6027\u304c\u5411\u4e0a\u3057\u3001\u307b\u3053\u308a\u306e\u7c92\u5b50\u304c\u5185\u90e8\u306b\u4fb5\u5165\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u56de\u8def\u306e\u30aa\u30f3\/\u30aa\u30d5\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u884c\u3048\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Support_Wide_Temperature_Range\"><\/span>\u5e83\u3044\u6e29\u5ea6\u7bc4\u56f2\u3092\u30b5\u30dd\u30fc\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC\u30b3\u30f3\u30bf\u30af\u30bf\u306f\u3001\u3069\u3053\u306b\u3067\u3082\u8a2d\u7f6e\u3067\u304d\u307e\u3059\u3002\u9ad8\u6e29\u306e\u5de5\u696d\u5730\u5e2f\u3084\u5546\u696d\u5730\u5e2f\u3067\u3082\u3001-250\u2103\u304b\u308955\u2103\u307e\u3067\u306e\u6e29\u5ea6\u7bc4\u56f2\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<sup>0<\/sup>C. \u6e29\u5ea6\u304c\u9ad8\u304f\u306a\u3063\u3066\u3082\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u6a5f\u80fd\u3084\u5916\u89b3\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"High-Quality_Materials\"><\/span>\u9ad8\u54c1\u8cea\u306e\u7d20\u6750<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u88fd\u9020\u306b\u4f7f\u7528\u3055\u308c\u308b\u6750\u6599\u306f\u9ad8\u54c1\u8cea\u3067\u3059\u3002\u5916\u67a0\u3084\u672c\u4f53\u3001\u5185\u90e8\u306e\u90e8\u54c1\u306a\u3069\u3001\u3059\u3079\u3066\u304c\u53b3\u5bc6\u306b\u696d\u754c\u6a19\u6e96\u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u3001\u52d5\u4f5c\u306b\u95a2\u3057\u3066\u306f\u305d\u308c\u3092\u4e0a\u56de\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Rustproof\"><\/span>\u9306\u3073\u306a\u3044<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3088\u308a\u9ad8\u3044\u6e7f\u5ea6\u3067\u306e\u52d5\u4f5c\u30b5\u30dd\u30fc\u30c8\u306b\u3088\u308a\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u4fa1\u5024\u304c\u9ad8\u307e\u308a\u307e\u3059\u30025% \u304b\u3089 95% \u307e\u3067\u306e\u6e7f\u5ea6\u306b\u8010\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u9306\u3084\u8150\u98df\u73fe\u8c61\u306b\u3088\u3063\u3066 DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u5916\u89b3\u3084\u6027\u80fd\u304c\u52a3\u5316\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Contactors_for_DC_Switching\"><\/span>DC\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7528\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u7a2e\u985e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306b\u306f\u7279\u5b9a\u306e\u30bf\u30a4\u30d7\u3068\u5f62\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002\u4e3b\u8981\u306a\u30bf\u30a4\u30d7\u306b\u95a2\u3059\u308b\u4e8b\u5b9f\u3092\u4ee5\u4e0b\u3067\u660e\u3089\u304b\u306b\u3057\u307e\u3059\u3002<\/p>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"\u30b3\u30f3\u30bf\u30af\u30bf\u30fc\u3068\u306f\u4f55\u3067\u3059\u304b?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/FCsgUXPRew8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<h3><span class=\"ez-toc-section\" id=\"By_Design\"><\/span>\u30c7\u30b6\u30a4\u30f3\u306b\u3088\u3063\u3066<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8a2d\u8a08\u306b\u57fa\u3065\u304f DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u30bf\u30a4\u30d7\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Knife_Blade\"><\/span>\u30ca\u30a4\u30d5\u306e\u5203<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u30ca\u30a4\u30d5\u30d6\u30ec\u30fc\u30c9 DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u53e4\u304f\u304b\u3089\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b3\u30f3\u30bf\u30af\u30bf\u306f\u4e3b\u306b\u30ec\u30d0\u30fc\u3068\u30b9\u30c8\u30ea\u30c3\u30d7\u3067\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u52d5\u4f5c\u306b\u3088\u3063\u3066\u4e0a\u4e0b\u904b\u52d5\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u5b9f\u969b\u306e\u64cd\u4f5c\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002\u3044\u304f\u3064\u304b\u306e\u8981\u56e0\u306b\u3088\u308a\u3001\u305d\u306e\u5e45\u5e83\u3044\u4f7f\u7528\u6027\u304c\u640d\u306a\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u4e3b\u306a\u5236\u9650\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u8010\u7528\u5e74\u6570\u304c\u77ed\u3044<\/li>\n<li>\u5b89\u5168\u304c\u306a\u3044<\/li>\n<li>\u307b\u3053\u308a\u3084\u6e7f\u6c17\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u306f\u30bc\u30ed<\/li>\n<li>\u4e8c\u91cd\u306e\u7834\u58ca<\/li>\n<\/ol>\n<figure id=\"attachment_45289\" aria-describedby=\"caption-attachment-45289\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45289\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-2-dc-contactor-knife-blade.jpg\" alt=\"DC\u30b3\u30f3\u30bf\u30af\u30bf\u30ca\u30a4\u30d5\u30d6\u30ec\u30fc\u30c9\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-2-dc-contactor-knife-blade.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-2-dc-contactor-knife-blade-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45289\" class=\"wp-caption-text\">DC\u30b3\u30f3\u30bf\u30af\u30bf\u30ca\u30a4\u30d5\u30d6\u30ec\u30fc\u30c9<\/figcaption><\/figure>\n<h4><span class=\"ez-toc-section\" id=\"Manual\"><\/span>\u30de\u30cb\u30e5\u30a2\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u540d\u524d\u304c\u793a\u3059\u3088\u3046\u306b\u3001\u3053\u306e DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u624b\u52d5\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u56de\u8def\u3092\u30aa\u30f3\u307e\u305f\u306f\u30aa\u30d5\u306b\u3057\u305f\u3044\u3068\u304d\u306f\u3044\u3064\u3067\u3082\u624b\u52d5\u3067\u884c\u3046\u3068\u4fbf\u5229\u3067\u3059\u3002\u30ca\u30a4\u30d5 \u30d6\u30ec\u30fc\u30c9 DC \u30b3\u30f3\u30bf\u30af\u30bf\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u308b\u70b9\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u5229\u70b9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u5b89\u5168\u6027\u306e\u5411\u4e0a<\/li>\n<li>\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5b8c\u5168\u306a\u4fdd\u8b77\u3092\u78ba\u4fdd<\/li>\n<li>\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30d5\u30a9\u30fc\u30e0<\/li>\n<li>\u7279\u306b\u72ed\u3044\u9593\u9694\u3067\u3088\u308a\u9ad8\u3044\u96fb\u6d41\u3092\u63d0\u4f9b<\/li>\n<\/ol>\n<figure id=\"attachment_45290\" aria-describedby=\"caption-attachment-45290\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45290\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-3-manual-DC-contactor.jpg\" alt=\"\u624b\u52d5DC\u30b3\u30f3\u30bf\u30af\u30bf\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-3-manual-DC-contactor.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-3-manual-DC-contactor-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45290\" class=\"wp-caption-text\">\u624b\u52d5DC\u30b3\u30f3\u30bf\u30af\u30bf<\/figcaption><\/figure>\n<h4><span class=\"ez-toc-section\" id=\"DC_Magnetic_Contactor\"><\/span>DC \u78c1\u6c17\u63a5\u89e6\u5668<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u3053\u306e\u30bf\u30a4\u30d7\u306e DC \u63a5\u89e6\u5668\u306f\u3001\u56de\u8def\u306e\u30aa\u30f3\/\u30aa\u30d5\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u96fb\u78c1\u529b\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u96fb\u6d41\u306b\u3088\u3063\u3066\u78c1\u77f3\u304c\u4f5c\u52d5\u3057\u3001\u56de\u8def\u304c\u30aa\u30f3\u306b\u306a\u308a\u307e\u3059\u3002\u96fb\u6d41\u304c\u6d41\u308c\u3066\u3044\u306a\u3044\u3068\u3001DC \u63a5\u89e6\u5668\u306f\u6a5f\u80fd\u3057\u307e\u305b\u3093\u3002<\/p>\n<figure id=\"attachment_45291\" aria-describedby=\"caption-attachment-45291\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45291\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-4-DC-magnetic-contactor.jpg\" alt=\"DC \u78c1\u6c17\u63a5\u89e6\u5668\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-4-DC-magnetic-contactor.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-4-DC-magnetic-contactor-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45291\" class=\"wp-caption-text\">DC \u78c1\u6c17\u63a5\u89e6\u5668<\/figcaption><\/figure>\n<p>DC \u78c1\u6c17\u63a5\u89e6\u5668\u306e\u4e3b\u306a\u7279\u5fb4\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u81ea\u52d5\u3067\u4f5c\u52d5\u3057\u3001\u624b\u52d5\u3084\u4eba\u529b\u306f\u4e0d\u8981<\/li>\n<li>\u9ad8\u3044\u5b89\u5168\u6027\u306e\u63d0\u4f9b<\/li>\n<li>\u52b9\u679c\u7684\u306a\u52d5\u4f5c\u306b\u5fc5\u8981\u306a\u5236\u5fa1\u96fb\u6d41\u306f\u7121\u8996\u3067\u304d\u308b<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"By_Voltage\"><\/span>\u96fb\u5727\u5225<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306b\u306f\u3001\u96fb\u5727\u306b\u57fa\u3065\u3044\u3066\u6b21\u306e\u30ab\u30c6\u30b4\u30ea\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"12v_DC_Contactor\"><\/span>12V DC\u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>12V DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f 1 \u6975\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b3\u30f3\u30bf\u30af\u30bf\u306f 150 \u30a2\u30f3\u30da\u30a2\u306e\u96fb\u6d41\u306b\u5bfe\u5fdc\u3059\u308b\u306e\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u6a5f\u68b0\u3001\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u3001\u96fb\u5b50\u5236\u5fa1\u30b9\u30a4\u30c3\u30c1\u3001\u81ea\u52d5\u96fb\u52d5\u30a6\u30a4\u30f3\u30c1\u306a\u3069\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_45292\" aria-describedby=\"caption-attachment-45292\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45292\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-5-12v-DC-Contactor.jpg\" alt=\"12V DC\u30b3\u30f3\u30bf\u30af\u30bf\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-5-12v-DC-Contactor.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-5-12v-DC-Contactor-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45292\" class=\"wp-caption-text\">12V DC\u30b3\u30f3\u30bf\u30af\u30bf<\/figcaption><\/figure>\n<p>\u3053\u306e\u30b3\u30f3\u30bf\u30af\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8ca0\u8377\u3092\u5224\u65ad\u3057\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3001\u56de\u8ee2\u65b9\u5411\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"DC_Contactor_24V\"><\/span>DC\u30b3\u30f3\u30bf\u30af\u30bf24V<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>24V DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u3001\u4e00\u822c\u7684\u306b 2 \u3064\u306e\u6975\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002300 \u30a2\u30f3\u30da\u30a2\u3092\u5fc5\u8981\u3068\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u3055\u307e\u3056\u307e\u306a\u5bb6\u5ead\u7528\u304a\u3088\u3073\u696d\u52d9\u7528\u30a2\u30af\u30bb\u30b5\u30ea\u3067\u306f\u3001\u3053\u306e 24V DC \u30b3\u30f3\u30bf\u30af\u30bf\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_45293\" aria-describedby=\"caption-attachment-45293\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45293\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-6-24v-DC-Contactor.jpg\" alt=\"24V DC\u30b3\u30f3\u30bf\u30af\u30bf\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-6-24v-DC-Contactor.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-6-24v-DC-Contactor-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45293\" class=\"wp-caption-text\">24V DC\u30b3\u30f3\u30bf\u30af\u30bf<\/figcaption><\/figure>\n<h4><span class=\"ez-toc-section\" id=\"DC_Contactor_48V\"><\/span>DC\u30b3\u30f3\u30bf\u30af\u30bf48V<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>48V DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u3001\u4e00\u822c\u7684\u306b 4 \u3064\u306e\u6975\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002120 \u30dc\u30eb\u30c8\u306e\u56de\u8def\u3092\u52b9\u679c\u7684\u306b\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b3\u30f3\u30bf\u30af\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u308f\u305a\u304b\u306a\u8a98\u5c0e\u6027\u307e\u305f\u306f\u975e\u8a98\u5c0e\u6027\u306e\u8ca0\u8377\u30bf\u30a4\u30d7\u3092\u5b8c\u5168\u306b\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_45294\" aria-describedby=\"caption-attachment-45294\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45294\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-7-48v-DC-Contactor.jpg\" alt=\" 48V DC\u30b3\u30f3\u30bf\u30af\u30bf\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-7-48v-DC-Contactor.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-7-48v-DC-Contactor-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45294\" class=\"wp-caption-text\">48V DC\u30b3\u30f3\u30bf\u30af\u30bf<\/figcaption><\/figure>\n<p>\u3053\u308c\u3089\u306e\u8acb\u8ca0\u696d\u8005\u306f\u3001\u9244\u9053\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u7167\u660e\u3001\u96fb\u6c17\u6a5f\u5668\u306a\u3069\u306e\u6069\u6075\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"220v_DC_Contactor\"><\/span>220V DC\u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>220V DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u4e3b\u306b 3 \u6975\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u5927 220 \u30dc\u30eb\u30c8\u3092\u5fc5\u8981\u3068\u3059\u308b\u30a2\u30af\u30bb\u30b5\u30ea\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u307e\u3059\u30023 \u76f8\u30e2\u30fc\u30bf\u30fc\u3001\u7d76\u7e01\u3001\u5145\u96fb\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u30b3\u30f3\u30c7\u30f3\u30b5 \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306a\u3069\u306b\u4f7f\u7528\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_45296\" aria-describedby=\"caption-attachment-45296\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45296\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-8-220v-DC-Contactor.jpg\" alt=\" 220V DC\u30b3\u30f3\u30bf\u30af\u30bf\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-8-220v-DC-Contactor.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-8-220v-DC-Contactor-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45296\" class=\"wp-caption-text\">220V DC\u30b3\u30f3\u30bf\u30af\u30bf<\/figcaption><\/figure>\n<p>\u5916\u51fa\u5148\u3067\u3082\u5927\u578b\u30a2\u30af\u30bb\u30b5\u30ea\u306e\u6a5f\u80fd\u3068\u64cd\u4f5c\u6027\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"By_the_Number_of_Poles\"><\/span>\u30dd\u30fc\u30eb\u306e\u6570\u3067<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6975\u6570\u306b\u57fa\u3065\u3044\u3066\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u306b\u306f\u6b21\u306e\u533a\u5206\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Single_Pole_DC_Contactor\"><\/span>\u5358\u6975DC\u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u5358\u6975 DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u5358\u6975\u3068\u3044\u3046\u7528\u8a9e\u306f\u30011 \u3064\u306e\u6975\u306e\u307f\u3067\u69cb\u6210\u3055\u308c\u308b\u30b3\u30f3\u30bf\u30af\u30bf\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5358\u76f8\u306e\u307f\u3092\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u975e\u5e38\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u5bb6\u5ead\u7528\u30a2\u30af\u30bb\u30b5\u30ea\u3067\u306f\u3001\u4e3b\u306b\u3053\u306e\u30bf\u30a4\u30d7\u306e DC \u30b3\u30f3\u30bf\u30af\u30bf\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"2_Pole_DC_Contactor\"><\/span>2\u6975DC\u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>2 \u6975 DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u30012 \u3064\u306e\u76f8\u3092\u6271\u3046\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u5546\u696d\u65bd\u8a2d\u3067\u306f\u3001\u3053\u306e DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u4f7f\u7528\u304c\u5e83\u304f\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002120 \u30dc\u30eb\u30c8\u3092\u554f\u984c\u306a\u304f\u51e6\u7406\u3067\u304d\u307e\u3059\u30022 \u6975 DC \u30b3\u30f3\u30bf\u30af\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3068\u30012 \u3064\u306e\u76f8\u3092\u77ac\u6642\u306b\u906e\u65ad\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DC_vs_AC_Contactors\"><\/span>DC \u30b3\u30f3\u30bf\u30af\u30bf\u3068 AC \u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u691c\u8a0e\u3059\u3079\u304d\u91cd\u8981\u306a\u9805\u76ee\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Structural\"><\/span>\u69cb\u9020\u7684<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u3092\u6d88\u78c1\u3059\u308b\u3068\u3001\u96fb\u78c1\u529b\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d5\u30ea\u30fc\u30d5\u30ed\u30fc\u30c0\u30a4\u30aa\u30fc\u30c9\u3092\u5229\u7528\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002AC \u30b3\u30f3\u30bf\u30af\u30bf\u306b\u306f\u30c0\u30a4\u30aa\u30fc\u30c9\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001\u30b3\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066\u6a5f\u5668\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Principles\"><\/span>\u539f\u5247<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u540d\u524d\u306e\u901a\u308a\u3001 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Contactor\">AC\u30b3\u30f3\u30bf\u30af\u30bf<\/a> AC \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u901a\u5e38\u3001\u9244\u5fc3\u304c\u3042\u308a\u3001\u6e26\u96fb\u6d41\u3068\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u640d\u5931\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u9244\u5fc3\u306b\u30e9\u30df\u30cd\u30fc\u30b7\u30e7\u30f3\u3092\u65bd\u3059\u3053\u3068\u3067\u3001\u3053\u308c\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u30e9\u30df\u30cd\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u95a2\u4fc2\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u304c\u6e26\u96fb\u6d41\u306e\u5f62\u6210\u3084\u6d88\u8017\u306b\u76f4\u9762\u3057\u306a\u3044\u305f\u3081\u3067\u3059\u3002\u88fd\u9020\u306b\u306f\u92f3\u9244\u307e\u305f\u306f\u92fc\u304c\u5168\u9762\u7684\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Material_used_for_Plating\"><\/span>\u30e1\u30c3\u30ad\u306b\u4f7f\u7528\u3059\u308b\u6750\u6599<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u63a5\u89e6\u30d7\u30ec\u30fc\u30c8\u306e\u904e\u71b1\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u30b7\u30ea\u30b3\u30f3\u92fc\u306b\u3088\u308b\u7279\u6b8a\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002DC \u30b3\u30f3\u30bf\u30af\u30bf\u3067\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u30e1\u30c3\u30ad\u3084\u30e9\u30df\u30cd\u30fc\u30c8\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Shape_of_the_Iron_Core\"><\/span>\u9244\u5fc3\u306e\u5f62\u72b6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>AC \u56de\u8def\u306e\u96fb\u6e90\u3092\u5207\u3063\u3066\u3082\u3001\u30eb\u30fc\u30d7\u96fb\u6d41\u306f\u30bc\u30ed\u306b\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001\u30a2\u30fc\u30de\u30c1\u30e5\u30a2\u304c\u958b\u3044\u305f\u3068\u304d\u306b\u5438\u5f15\u529b\u3068\u99c6\u52d5\u529b\u3092\u767a\u63ee\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u4e00\u65b9\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u3067\u306f\u3001\u52a0\u71b1\u3084\u6e26\u96fb\u6d41\u306f\u767a\u751f\u3057\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u69cb\u9020\u306b\u306f\u91d1\u5c5e\u5168\u4f53\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Operating_Frequency\"><\/span>\u52d5\u4f5c\u5468\u6ce2\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>AC \u30b3\u30f3\u30bf\u30af\u30bf\u3067\u306f\u3001\u52d5\u4f5c\u5468\u6ce2\u6570\u306f\u5e38\u306b 1 \u6642\u9593\u3042\u305f\u308a 600 \u56de\u3067\u3059\u3002 \u3082\u3061\u308d\u3093\u3001\u3053\u308c\u306f\u59cb\u52d5\u96fb\u6d41\u304c\u9ad8\u3044\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001DC \u8a2d\u8a08\u306e\u5834\u5408\u3001\u5468\u6ce2\u6570\u306f 1 \u6642\u9593\u3042\u305f\u308a 1200 \u56de\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Electrical_Resistivity\"><\/span>\u96fb\u6c17\u62b5\u6297\u7387<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>AC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u5dfb\u304d\u6570\u306f\u975e\u5e38\u306b\u5c11\u306a\u304f\u3001\u76f4\u5f84\u304c\u5927\u304d\u304f\u3001\u62b5\u6297\u306f\u7121\u8996\u3067\u304d\u307e\u3059\u3002\u52a0\u71b1\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u5186\u7b52\u5f62\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u71b1\u3092\u9003\u304c\u3059\u305f\u3081\u306b\u9593\u9694\u304c\u7a7a\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u3067\u306f\u3001\u71b1\u304c\u767a\u751f\u3059\u308b\u5834\u6240\u304c\u306a\u3044\u305f\u3081\u3001\u6700\u5927\u5dfb\u6570\u306e\u3088\u308a\u8584\u3044\u30b3\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u62b5\u6297\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u30b3\u30a4\u30eb\u3092\u8584\u304f\u3059\u308b\u3053\u3068\u3067\u3001\u71b1\u653e\u6563\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Room_Requirement\"><\/span>\u90e8\u5c4b\u306e\u8981\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>AC \u30b3\u30f3\u30bf\u30af\u30bf\u306b\u306f\u5341\u5206\u306a\u30b9\u30da\u30fc\u30b9\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002\u8a2d\u7f6e\u30b9\u30da\u30fc\u30b9\u304c\u5341\u5206\u306b\u3042\u308b\u5834\u6240\u3067\u3042\u308c\u3070\u3001\u3069\u3053\u306b\u3067\u3082\u8a2d\u7f6e\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>DC \u30b3\u30f3\u30c8\u30e9\u30af\u30bf\u30fc\u306e\u5834\u5408\u306f\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u52b9\u679c\u7684\u306a\u904b\u7528\u306e\u305f\u3081\u306b\u306f\u5341\u5206\u306a\u30b9\u30da\u30fc\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Extinguisher\"><\/span>\u6d88\u706b\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u901a\u5e38\u3001AC \u30b3\u30f3\u30bf\u30af\u30bf\u306b\u306f\u30b0\u30ea\u30c3\u30c9\u6d88\u706b\u5668\u304c\u88c5\u5099\u3055\u308c\u3066\u3044\u307e\u3059\u3002DC \u30b3\u30f3\u30bf\u30af\u30bf\u306b\u306f\u78c1\u6c17\u6d88\u706b\u5668\u304c\u5185\u8535\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Choose_Contactors_for_DC_Switching\"><\/span>DC\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7528\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u9078\u3073\u65b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u9069\u5207\u306a\u9078\u629e\u3092\u884c\u3046\u306b\u306f\u3001\u6b21\u306e\u70b9\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Current_Inductance\"><\/span>\u96fb\u6d41\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u96fb\u6d41\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u306f\u3001\u5168\u4f53\u7684\u306a\u906e\u65ad\u80fd\u529b\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002\u8a98\u5c0e\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u96fb\u5727\u304c\u4e0a\u6607\u3057\u3001\u30a2\u30fc\u30af\u306e\u5f37\u5ea6\u304c\u5897\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u906e\u65ad\u80fd\u529b\u306e\u5411\u4e0a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u8a98\u5c0e\u5024\u304c 15 \u30df\u30ea\u79d2\u304b\u3089 1 \u30df\u30ea\u79d2\u306b\u6e1b\u5c11\u3059\u308b\u3068\u3001\u906e\u65ad\u80fd\u529b\u306f 300 \u30d1\u30fc\u30bb\u30f3\u30c8\u5897\u52a0\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Application_Type\"><\/span>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30bf\u30a4\u30d7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u3001\u9069\u5207\u306a\u30b3\u30f3\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u30021 \u6975\u30b3\u30f3\u30bf\u30af\u30bf\u3068 2 \u6975\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u3069\u3061\u3089\u304c\u5fc5\u8981\u3067\u3059\u304b? \u8cfc\u5165\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u30b3\u30f3\u30bf\u30af\u30bf\u30fc\u306f\u3001\u8ca0\u8377\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u30021 \u76f8\u30012 \u76f8\u3001\u307e\u305f\u306f 3 \u76f8\u30b7\u30b9\u30c6\u30e0\u304c\u3042\u308a\u307e\u3059\u3002\u5404\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u3001\u305d\u308c\u305e\u308c\u306e DC \u30b3\u30f3\u30bf\u30af\u30bf\u30fc\u304c\u5fc5\u8981\u3067\u3059\u3002\u30db\u30fc\u30e0\u30da\u30fc\u30b8 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5834\u5408\u3001\u5358\u76f8\u307e\u305f\u306f 2 \u76f8\u30b3\u30f3\u30bf\u30af\u30bf\u30fc\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u5546\u696d\u304a\u3088\u3073\u7523\u696d\u90e8\u9580\u306e\u5834\u5408\u30012 \u76f8\u307e\u305f\u306f 3 \u76f8\u30b3\u30f3\u30bf\u30af\u30bf\u30fc\u304c\u975e\u5e38\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Service_Life\"><\/span>\u8010\u7528\u5e74\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u5bff\u547d\u306f\u3044\u304f\u3064\u304b\u306e\u8981\u56e0\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002\u8010\u7528\u5e74\u6570\u306f\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u3092\u4f7f\u7528\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u76f4\u63a5\u95a2\u4fc2\u3057\u307e\u3059\u3002\u6a5f\u68b0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u8ca0\u8377\u304c\u304b\u304b\u3063\u3066\u3082\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3057\u307e\u305b\u3093\u304c\u3001\u96fb\u6c17\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u8ca0\u8377\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u9244\u9053\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30b3\u30f3\u30bf\u30af\u30bf\u306f 10 \u4e07\u56de\u4ee5\u4e0a\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0 \u30b5\u30a4\u30af\u30eb\u306b\u8010\u3048\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u52b9\u679c\u7684\u306a\u8010\u7528\u5e74\u6570\u3092\u6301\u3064\u8acb\u8ca0\u696d\u8005\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Maintenance_Requirement\"><\/span>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u8981\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3053\u306e\u70b9\u306f\u91cd\u8981\u3067\u3059\u3002DC \u30b3\u30f3\u30bf\u30af\u30bf\u3067\u767a\u751f\u3059\u308b\u7279\u5b9a\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u8981\u4ef6\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u5834\u5408\u306f\u3001\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u8981\u4ef6\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u5bfe\u7b56\u3092\u5b9f\u884c\u3059\u308b\u6642\u9593\u304c\u5341\u5206\u306b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Direction_of_Operation_for_DC_Contactor\"><\/span>DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u52d5\u4f5c\u65b9\u5411<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30c7\u30e5\u30a2\u30eb\u64cd\u4f5c\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u5358\u4e00\u306e\u9806\u5e8f\u3067\u52d5\u4f5c\u3057\u3001\u4e00\u65b9\u5411\u306e\u96fb\u6d41\u63a5\u7d9a\u306e\u307f\u3092\u906e\u65ad\u3067\u304d\u307e\u3059\u3002\u4e00\u65b9\u3001\u53cc\u65b9\u5411 DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u4e21\u65b9\u5411\u306e\u96fb\u6d41\u3092\u5207\u65ad\u3067\u304d\u307e\u3059\u3002DC \u30b3\u30f3\u30bf\u30af\u30bf\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u306f\u3001\u3053\u306e\u70b9\u3092\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Main_Components_Of_The_DC_Contactor\"><\/span>DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u4e3b\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u4e3b\u8981\u90e8\u54c1\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_ElectromagnetCoil\"><\/span>1. \u96fb\u78c1\u77f3\/\u30b3\u30a4\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u5185\u306e\u99c6\u52d5\u529b\u306e\u6e90\u306f\u30b3\u30a4\u30eb\u3067\u3059\u3002\u30b3\u30a4\u30eb\u306f\u78c1\u6c17\u30b3\u30a2\u306b\u5dfb\u304b\u308c\u305f\u5f62\u3067\u5b58\u5728\u3057\u3001\u4e3b\u306b\u96fb\u78c1\u77f3\u3068\u3057\u3066\u306e\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30b3\u30a4\u30eb\u306f 2 \u3064\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u30021 \u3064\u306f\u53ef\u52d5\u3067\u3001\u3082\u3046 1 \u3064\u306f\u56fa\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u53ef\u52d5\u90e8\u5206\u306b\u306f\u30b9\u30d7\u30ea\u30f3\u30b0\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30fc\u30de\u30c1\u30e5\u30a2\uff08\u30ed\u30c3\u30c9\uff09\u306f\u53ef\u52d5\u90e8\u54c1\u3092\u63a5\u7d9a\u3057\u307e\u3059\u3002\u63a5\u89e6\u304c\u767a\u751f\u3059\u308b\u306b\u306f\u3001\u30b3\u30a4\u30eb\u304b\u3089\u306e\u529b\u304c\u30b9\u30d7\u30ea\u30f3\u30b0\u306e\u5f35\u529b\u3092\u8d85\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\/\u9006\u306b\u3001\u5207\u65ad\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Contacts\"><\/span>2. \u9023\u7d61\u5148<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u63a5\u70b9\u306f\u96fb\u6d41\u3092\u6d41\u3057\u307e\u3059\u3002\u30b3\u30f3\u30bf\u30af\u30bf\u5185\u306b\u306f 3 \u7a2e\u985e\u306e\u63a5\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u96fb\u6e90\u30b3\u30f3\u30bf\u30af\u30c8<\/li>\n<li>\u88dc\u52a9\u9023\u7d61\u5148<\/li>\n<li>\u30b3\u30f3\u30bf\u30af\u30c8\u30b9\u30d7\u30ea\u30f3\u30b0<\/li>\n<\/ul>\n<p>\u63a5\u70b9\u306e\u88fd\u9020\u306b\u4f7f\u7528\u3055\u308c\u308b\u6750\u6599\u306b\u306f\u3001\u6b21\u306e\u7279\u6027\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u512a\u308c\u305f\u30a2\u30fc\u30af\u8010\u6027<\/li>\n<li>\u3088\u308a\u9ad8\u3044\u6eb6\u63a5\u62b5\u6297<\/li>\n<li>\u6a5f\u68b0\u7684\u30b9\u30c8\u30ec\u30b9\u306b\u8010\u3048\u308b<\/li>\n<li>\u9ad8\u3044\u8010\u4fb5\u98df\u6027<\/li>\n<\/ul>\n<p>\u4f4e\u96fb\u6d41\u7528\u9014\u306b\u9069\u3057\u305f\u6750\u6599\u3068\u3057\u3066\u306f\u3001\u9280\u30ab\u30c9\u30df\u30a6\u30e0\u3068\u9280\u30cb\u30c3\u30b1\u30eb\u306e\u6df7\u5408\u7269\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u4e00\u65b9\u3001\u9ad8\u96fb\u6d41\u7528\u9014\u3067\u306f\u3001\u9280\u30b9\u30ba\u9178\u5316\u7269\u304c\u4e3b\u8981\u306a\u69cb\u6210\u6750\u6599\u3068\u3057\u3066\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_BodyFrame\"><\/span>3. \u30dc\u30c7\u30a3\/\u30d5\u30ec\u30fc\u30e0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30dc\u30c7\u30a3\/\u30d5\u30ec\u30fc\u30e0\u306e\u4e3b\u306a\u5f79\u5272\u306f\u3001\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u52b9\u679c\u7684\u306b\u53ce\u5bb9\u307e\u305f\u306f\u5bc6\u9589\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u307b\u3053\u308a\u3001\u6c5a\u308c\u3001\u6cb9\u3001\u6e7f\u6c17\u3001\u98a8\u5316\u6761\u4ef6\u3001\u7206\u767a\u306a\u3069\u304b\u3089\u78ba\u5b9f\u306b\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002\u30dc\u30c7\u30a3\u306f\u30d0\u30ea\u30a2\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u76f4\u63a5\u63a5\u89e6\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_45297\" aria-describedby=\"caption-attachment-45297\" style=\"width: 504px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45297\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-9-components-of-DC-contactor.jpg\" alt=\"DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\" width=\"504\" height=\"359\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-9-components-of-DC-contactor.jpg 504w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-9-components-of-DC-contactor-150x107.jpg 150w\" sizes=\"auto, (max-width: 504px) 100vw, 504px\" \/><figcaption id=\"caption-attachment-45297\" class=\"wp-caption-text\">DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"How_does_Contactor_for_DC_Switching_Work\"><\/span>DC \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7528\u30b3\u30f3\u30bf\u30af\u30bf\u306f\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u304b?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"\u30b3\u30f3\u30bf\u30af\u30bf\u3068\u306f? | \u52d5\u4f5c\u539f\u7406\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/08ozhRb7HEU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>&nbsp;<\/p>\n<p>DC \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7528\u306e\u30b3\u30f3\u30bf\u30af\u30bf\u306f\u6b21\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001\u96fb\u6d41\u306f\u4e3b\u56de\u8def\u304b\u3089\u63a5\u89e6\u5668\u307e\u3067\u6d41\u308c\u3001\u3053\u308c\u304c\u78c1\u6c17\u30b3\u30a2\u306e\u52b1\u78c1\u306b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u7d50\u679c\u3001\u96fb\u78c1\u77f3\/\u30b3\u30a4\u30eb\u306b\u3088\u3063\u3066\u78c1\u5834\u304c\u751f\u6210\u3055\u308c\u3001\u30a2\u30fc\u30de\u30c1\u30e5\u30a2\u306e\u52d5\u304d\u304c\u958b\u59cb\u3055\u308c\u3001\u63a5\u70b9\u304c\u9589\u3058\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3001\u96fb\u6d41\u306f\u63a5\u70b9\u3092\u901a\u3063\u3066\u8ca0\u8377\u307e\u3067\u79fb\u52d5\u3057\u59cb\u3081\u307e\u3059\u3002\u4e00\u65b9\u3001\u56de\u8def\u306b\u96fb\u6d41\u304c\u6d41\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u6d88\u78c1\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u78c1\u529b\u304c\u30bc\u30ed\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d0\u30cd\u306e\u529b\u304c\u5897\u5927\u3057\u3001\u30a2\u30fc\u30de\u30c1\u30e5\u30a2\u3092\u5f8c\u65b9\u306b\u5f15\u304d\u5bc4\u305b\u3066\u56de\u8def\u3092\u958b\u304d\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u305d\u306e\u5f8c\u306e\u30aa\u30d5\u3068\u30aa\u30f3\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_45298\" aria-describedby=\"caption-attachment-45298\" style=\"width: 547px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45298\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-10-DC-contactor-working-principle.jpg\" alt=\"DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u52d5\u4f5c\u539f\u7406\" width=\"547\" height=\"375\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-10-DC-contactor-working-principle.jpg 547w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-10-DC-contactor-working-principle-150x103.jpg 150w\" sizes=\"auto, (max-width: 547px) 100vw, 547px\" \/><figcaption id=\"caption-attachment-45298\" class=\"wp-caption-text\">DC\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u52d5\u4f5c\u539f\u7406<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"DC_Contactors_Vs_Relays\"><\/span>DC \u30b3\u30f3\u30bf\u30af\u30bf\u3068\u30ea\u30ec\u30fc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC\u30b3\u30f3\u30bf\u30af\u30bf\u306b\u95a2\u3057\u3066\u306f\u591a\u304f\u306e\u9055\u3044\u304c\u3042\u308a\u3001<a href=\"https:\/\/en.wikipedia.org\/wiki\/Relay\"> \u30ea\u30ec\u30fc<\/a>\u6ce8\u610f\u3059\u3079\u304d\u4e3b\u306a\u9055\u3044\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u8010\u8377\u91cd\u80fd\u529b\u306f\u3001\u30ea\u30ec\u30fc\u306b\u6bd4\u3079\u3066\u306f\u308b\u304b\u306b\u5927\u304d\u3044\u3067\u3059\u3002\u30ea\u30ec\u30fc\u306f 15 \u30a2\u30f3\u30da\u30a2\u3092\u8d85\u3048\u308b\u8ca0\u8377\u306b\u306f\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002\u4e00\u65b9\u3001\u30b3\u30f3\u30c8\u30e9\u30af\u30bf\u30fc\u306f 150A\u3001300A\u3001600A \u306a\u3069\u306e\u3088\u308a\u9ad8\u3044\u8ca0\u8377\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/li>\n<li>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u5358\u4e00\u306e\u69cb\u6210\u3067\u3042\u308b\u305f\u3081\u3001\u5e38\u306b\u958b\u3044\u305f\u307e\u307e\u3067\u3059\u3002\u96fb\u6d41\u304c\u6d41\u308c\u308b\u3068\u3001\u5fc5\u305a\u30aa\u30f3\u306b\u306a\u308a\u307e\u3059\u3002\u30ea\u30ec\u30fc\u306e\u5834\u5408\u306f\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30ea\u30ec\u30fc\u306b\u306f\u3001NC \u3068 NO \u3092\u542b\u3080\u4e8c\u91cd\u69cb\u6210\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u4fdd\u8b77\u306b\u95a2\u3057\u3066\u306f\u3001\u30ea\u30ec\u30fc\u306f DC \u30b3\u30f3\u30bf\u30af\u30bf\u306b\u5339\u6575\u3057\u307e\u305b\u3093\u3002\u906e\u65ad\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3067\u3082\u5b8c\u5168\u306a\u5b89\u5168\u6027\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u304c\u3001\u9ad8\u51fa\u529b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3068\u3063\u3066\u30ea\u30ec\u30fc\u304c\u4fa1\u5024\u306e\u3042\u308b\u7406\u7531\u3067\u3059\u3002<\/li>\n<li>\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u91cd\u91cf\u306f\u30ea\u30ec\u30fc\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u91cd\u3044\u3067\u3059\u304c\u3001\u3053\u308c\u306f\u30b3\u30f3\u30bf\u30af\u30bf\u304c\u3088\u308a\u9ad8\u3044\u96fb\u529b\u8981\u4ef6\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u305f\u3081\u3067\u3059\u3002\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u901f\u5ea6\u306f\u30ea\u30ec\u30fc\u306b\u6bd4\u3079\u3066\u9045\u304f\u306a\u308a\u307e\u3059\u3002\u30bf\u30fc\u30f3\u6570\u304c\u5897\u3048\u308b (\u6d88\u8cbb\u96fb\u529b\u304c\u5927\u304d\u304f\u306a\u308b) \u305f\u3081\u3001\u8acb\u8ca0\u696d\u8005\u306b\u304b\u304b\u308b\u30b3\u30b9\u30c8\u306f\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"attachment_45299\" aria-describedby=\"caption-attachment-45299\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45299\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-11-Relays.jpg\" alt=\"\u30ea\u30ec\u30fc\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-11-Relays.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-11-Relays-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45299\" class=\"wp-caption-text\">\u30ea\u30ec\u30fc<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Common_Causes_of_Failure_in_Contactors_for_DC_Switching\"><\/span>DC\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7528\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u4e00\u822c\u7684\u306a\u6545\u969c\u539f\u56e0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u6545\u969c\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u539f\u56e0\u304c\u3042\u308a\u307e\u3059\u3002\u4e3b\u306a\u539f\u56e0\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Overcurrent\"><\/span>\u904e\u96fb\u6d41<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u96fb\u6d41\u304c\u6240\u5b9a\u306e\u5236\u9650\u3092\u8d85\u3048\u308b\u3068\u3001\u63a5\u89e6\u5668\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u640d\u50b7\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u77ed\u7d61\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Temperature_Boost\"><\/span>\u6e29\u5ea6\u30d6\u30fc\u30b9\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6e29\u5ea6\u304c\u4e0a\u6607\u3059\u308b\u3068\u3001\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5916\u89b3\u3084\u5f62\u72b6\u304c\u5909\u5316\u3057\u3001\u6700\u7d42\u7684\u306b\u306f DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u5168\u4f53\u7684\u306a\u6a5f\u80fd\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Improper_Installation\"><\/span>\u4e0d\u9069\u5207\u306a\u53d6\u308a\u4ed8\u3051<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e0d\u9069\u5207\u306a\u53d6\u308a\u4ed8\u3051\u306f\u3001\u6975\u307e\u305f\u306f\u7aef\u5b50\u3078\u306e\u63a5\u7d9a\u4e0d\u826f\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u6700\u9ad8\u306e\u6027\u80fd\u3092\u767a\u63ee\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u3059\u3050\u306b\u6545\u969c\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Aging\"><\/span>\u30a8\u30fc\u30b8\u30f3\u30b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u6545\u969c\u306e\u539f\u56e0\u3068\u306a\u308b\u3082\u3046 1 \u3064\u306e\u8981\u56e0\u306f\u3001\u7d4c\u5e74\u52a3\u5316\u3067\u3059\u3002\u5341\u5206\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u88fd\u54c1\u306e\u6027\u80fd\u304c\u9650\u754c\u306b\u9054\u3057\u3001\u6a5f\u80fd\u3092\u7d99\u7d9a\u3059\u308b\u80fd\u529b\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u304c\u6545\u969c\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fluctuating_Voltage\"><\/span>\u5909\u52d5\u96fb\u5727<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u96fb\u5727\u306e\u9023\u7d9a\u7684\u306a\u4e0a\u6607\u3068\u4e0b\u964d\u306f\u3001\u4e3b\u8981\u306a\u63a5\u89e6\u5668\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u640d\u50b7\u3092\u4e0e\u3048\u308b\u539f\u56e0\u3068\u306a\u308a\u3001DC \u63a5\u89e6\u5668\u304c\u6545\u969c\u3059\u308b\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"High_Current_DC_Contactor_vs_High_Voltage_DC_Contactor\"><\/span>\u9ad8\u96fb\u6d41 DC \u30b3\u30f3\u30bf\u30af\u30bf\u3068\u9ad8\u96fb\u5727 DC \u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u9ad8\u96fb\u6d41 DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u3001\u9ad8\u96fb\u6d41\u3092\u5207\u308a\u66ff\u3048\u308b\u3068\u304d\u306b\u975e\u5e38\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u96fb\u6d41\u306f 100A \u304b\u3089 600A \u307e\u3067\u306e\u7bc4\u56f2\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001100A DC \u30b3\u30f3\u30bf\u30af\u30bf\u306a\u3069\u3067\u3059\u3002\u9ad8\u96fb\u6d41\u30c7\u30d0\u30a4\u30b9\u306e\u7528\u9014\u306b\u306f\u3001\u6eb6\u63a5\u6a5f\u3001\u96fb\u6e90\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3001\u8d85\u4f1d\u5c0e\u4f53\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u6d41\u304c\u9ad8\u3044\u5834\u6240\u3067\u306f\u96fb\u5727\u304c\u4f4e\u304f\u306a\u308a\u3001\u305d\u306e\u9006\u3082\u540c\u69d8\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u6700\u7d42\u76ee\u7684\u304c\u9ad8\u96fb\u5727\u3092\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u3042\u308b\u5834\u5408\u3001\u9ad8\u96fb\u5727 DC \u30b3\u30f3\u30bf\u30af\u30bf\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u30011000V DC \u30b3\u30f3\u30bf\u30af\u30bf\u3067\u3059\u3002\u9ad8\u96fb\u5727 DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u7528\u9014\u306b\u306f\u3001\u30a8\u30ec\u30af\u30c8\u30ed\u30b9\u30d4\u30cb\u30f3\u30b0\u3001\u533b\u7642\u7528\u753b\u50cf\u51e6\u7406\u3001\u96fb\u5b50\u30d3\u30fc\u30e0\u751f\u6210\u3001\u6c34\u51e6\u7406\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DC_Contactor_Wiring_Diagram\"><\/span>DC\u30b3\u30f3\u30bf\u30af\u30bf\u914d\u7dda\u56f3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3054\u53c2\u8003\u307e\u3067\u306b\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u5b9f\u969b\u306e\u914d\u7dda\u56f3\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Applications\"><\/span>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u3055\u307e\u3056\u307e\u306a\u5206\u91ce\u3067\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u4e3b\u306a\u7528\u9014\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DC_Drive_Contactors\"><\/span>DC\u30c9\u30e9\u30a4\u30d6\u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3053\u308c\u3089\u306e DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u3001\u99c6\u52d5\u30b7\u30b9\u30c6\u30e0\u306b\u95a2\u3057\u3066\u975e\u5e38\u306b\u6709\u76ca\u3067\u3059\u3002\u7279\u306b\u3001\u901f\u5ea6\u3092\u8abf\u6574\u3067\u304d\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u5834\u5408\u3067\u3059\u3002DC \u30e2\u30fc\u30bf\u30fc\u3084\u305d\u306e\u4ed6\u306e\u99c6\u52d5\u30b7\u30b9\u30c6\u30e0\u306e\u5834\u5408\u3082\u540c\u69d8\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DC_Switching_Contactor\"><\/span>DC\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC \u30b9\u30a4\u30c3\u30c1\u30f3\u30b0 \u30b3\u30f3\u30bf\u30af\u30bf\u306b\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u304c\u3042\u308a\u307e\u3059\u3002\u7528\u9014\u3068\u3057\u3066\u306f\u3001\u96fb\u6c17\u8ca0\u8377\u3001\u7167\u660e\u3001\u30b3\u30f3\u30c7\u30f3\u30b5 \u30d0\u30f3\u30af\u3001\u71b1\u84b8\u767a\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Solid_state_DC_contactor\"><\/span>\u30bd\u30ea\u30c3\u30c9\u30b9\u30c6\u30fc\u30c8DC\u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3053\u306e\u540d\u524d\u306f\u3001\u3053\u308c\u3089\u306e\u30b3\u30f3\u30c8\u30e9\u30af\u30bf\u30fc\u306e\u5185\u90e8\u306b\u53ef\u52d5\u90e8\u54c1\u304c\u542b\u307e\u308c\u306a\u3044\u3053\u3068\u306b\u7531\u6765\u3057\u3066\u3044\u307e\u3059\u3002\u4ee3\u308f\u308a\u306b\u3001\u96fb\u5b50\u90e8\u54c1\u3068\u534a\u5c0e\u4f53\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e3b\u306a\u7528\u9014\u306f\u3001DC \u30e2\u30fc\u30bf\u30fc\u3001\u30a6\u30a9\u30fc\u30bf\u30fc \u30dd\u30f3\u30d7\u3001\u30d2\u30fc\u30bf\u30fc\u5236\u5fa1\u306a\u3069\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DC_Air_break_contactor\"><\/span>DC\u30a8\u30a2\u30d6\u30ec\u30fc\u30af\u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9ad8\u96fb\u6d41\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306b\u52b9\u679c\u7684\u3067\u3059\u3002\u4e3b\u306a\u7528\u9014\u3068\u3057\u3066\u306f\u3001\u63db\u6c17\u30b7\u30b9\u30c6\u30e0\u3001\u30a8\u30a2\u30b3\u30f3\u3001\u84b8\u767a\u5668\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Electric_vehicle_DC_contactor\"><\/span>\u96fb\u6c17\u81ea\u52d5\u8eca\u7528DC\u30b3\u30f3\u30bf\u30af\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u96fb\u6c17\u81ea\u52d5\u8eca\u306e DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u3001\u8eca\u5185\u306e\u96fb\u529b\u30e9\u30a4\u30f3\u306e\u30aa\u30f3\/\u30aa\u30d5\u3092\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u96fb\u6c17\u81ea\u52d5\u8eca\u3084\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u8eca\u3067\u975e\u5e38\u306b\u671b\u307e\u3057\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Quick_FAQs\"><\/span>\u3088\u304f\u3042\u308b\u8cea\u554f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Why_does_the_DC_Contactor_fail\"><\/span>DC \u30b3\u30f3\u30bf\u30af\u30bf\u304c\u6545\u969c\u3059\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u524d\u8ff0\u306e\u3088\u3046\u306b\u3001\u4e3b\u306a\u5931\u6557\u306e\u7406\u7531\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u9ad8\u96fb\u6d41<\/li>\n<li>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4e0d\u826f<\/li>\n<li>DC\u30b3\u30cd\u30af\u30bf\u306e\u9078\u629e\u304c\u9593\u9055\u3063\u3066\u3044\u307e\u3059<\/li>\n<li>\u904e\u9177\u306a\u52d5\u4f5c\u6761\u4ef6<\/li>\n<li>\u6c17\u6e29\u5909\u52d5\u306e\u5897\u5927<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Does_the_load_affect_the_DC_Contactor_capacity\"><\/span>\u8ca0\u8377\u306f DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u5bb9\u91cf\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u306f\u3044\u3001\u8ca0\u8377\u306f DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u5168\u4f53\u7684\u306a\u5bb9\u91cf\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n<p>\u5404 DC \u30b3\u30f3\u30bf\u30af\u30bf\u306f\u7279\u5b9a\u306e\u8ca0\u8377\u306b\u8010\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8d85\u3048\u308b\u3068\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u304c\u6545\u969c\u3057\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u7d50\u8ad6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u308c\u3067\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u306e\u52d5\u4f5c\u3001\u7a2e\u985e\u3001\u5229\u70b9\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3001\u9078\u629e\u306e\u8003\u616e\u4e8b\u9805\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306b\u3064\u3044\u3066\u3001\u8a73\u7d30\u306a\u60c5\u5831\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u60c5\u5831\u306f\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u3092\u6700\u9069\u306b\u9078\u629e\u3057\u305f\u308a\u3001\u52b9\u679c\u7684\u306b\u6271\u3063\u305f\u308a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u4eca\u3059\u3050\u3001DC \u30b3\u30f3\u30bf\u30af\u30bf\u3092\u96fb\u6c17\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30b7\u30b9\u30c6\u30e0\u306b\u5c0e\u5165\u3057\u3066\u3001\u5b8c\u5168\u306a\u4fdd\u8b77\u3068\u5b89\u5168\u6027\u3092\u5b9f\u73fe\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b3\u30e1\u30f3\u30c8 \u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3054\u610f\u898b\u3092\u304a\u5bc4\u305b\u3044\u305f\u3060\u304f\u304b\u3001\u30e1\u30fc\u30eb\u3067\u30b5\u30dd\u30fc\u30c8\u3092\u4f9d\u983c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u559c\u3093\u3067\u304a\u624b\u4f1d\u3044\u3044\u305f\u3057\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>DC contactor acts as a switching mechanism in electrical systems. This way, you can enjoy complete control over the current within DC circuits. Features of DC Contactors Dustproof The housing that holds the electrical contactor components within renders it dustproof. It does not allow a single dust particle to get inside. This facilitates the smooth [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":45300,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45287","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DC Contactor - KDM Steel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u76f4\u6d41\u30b3\u30f3\u30bf\u30af\u30bf\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DC Contactor - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"DC contactor acts as a switching mechanism in electrical systems. 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This way, you can enjoy complete control over the current within DC circuits. Features of DC Contactors Dustproof The housing that holds the electrical contactor components within renders it dustproof. It does not allow a single dust particle to get inside. 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