{"id":45819,"date":"2025-08-19T01:14:02","date_gmt":"2025-08-19T01:14:02","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=45819"},"modified":"2026-07-17T07:38:21","modified_gmt":"2026-07-17T07:38:21","slug":"%e5%9b%9e%e8%b7%af%e3%83%96%e3%83%ac%e3%83%bc%e3%82%ab%e3%83%bc%e3%81%ae%e4%ba%a4%e6%8f%9b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/","title":{"rendered":"\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4ea4\u63db\u65b9\u6cd5"},"content":{"rendered":"<p>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u7570\u5e38\u96fb\u6d41\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u96fb\u6d41\u306e\u6d41\u308c\u3092\u5b89\u5168\u306b\u906e\u65ad\u3057\u3001\u56de\u8def\u3084\u6a5f\u5668\u3092\u640d\u50b7\u304b\u3089\u5b88\u308a\u3001\u706b\u707d\u306e\u5371\u967a\u3092\u9632\u3050\u96fb\u6c17\u4fdd\u8b77\u88c5\u7f6e\u3067\u3059\u3002\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u5b89\u5168\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u901f\u3084\u304b\u306b\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4ea4\u63db\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 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\/how-to-replace-a-circuit-breaker\/#Step_1_Selecting_the_Right_Circuit_Breaker\" >\u30b9\u30c6\u30c3\u30d71\uff1a\u9069\u5207\u306a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u9078\u629e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Step_2_Preparation_Tools\" >\u30b9\u30c6\u30c3\u30d72\uff1a\u6e96\u5099\u30c4\u30fc\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Step_3_Cutting_off_the_Main_Power_Supply\" >\u30b9\u30c6\u30c3\u30d73\uff1a\u4e3b\u96fb\u6e90\u3092\u906e\u65ad\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Step_4_Open_the_Circuit_Breaker_Panel\" >\u30b9\u30c6\u30c3\u30d74\uff1a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30d1\u30cd\u30eb\u3092\u958b\u304f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Step_5_Disconnect_the_Load_Line\" >\u30b9\u30c6\u30c3\u30d75\uff1a\u30ed\u30fc\u30c9\u30e9\u30a4\u30f3\u3092\u5916\u3059<\/a><\/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\/how-to-replace-a-circuit-breaker\/#Step_6_Remove_Old_Circuit_Breakers\" >\u30b9\u30c6\u30c3\u30d76\uff1a\u53e4\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u53d6\u308a\u5916\u3059<\/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\/how-to-replace-a-circuit-breaker\/#General_Circuit_Breaker\" >\u4e00\u822c\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Special_Circuit_Breakers\" >\u7279\u6b8a\u56de\u8def\u906e\u65ad\u5668<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Step_7_Install_New_Circuit_Breakers\" >\u30b9\u30c6\u30c3\u30d77\uff1a\u65b0\u3057\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Step_8_Connecting_the_Load_Line\" >\u30b9\u30c6\u30c3\u30d78\uff1a\u30ed\u30fc\u30c9\u30e9\u30a4\u30f3\u306e\u63a5\u7d9a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Step_9_Testing_New_Circuit_Breakers\" >\u30b9\u30c6\u30c3\u30d79\uff1a\u65b0\u3057\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30c6\u30b9\u30c8<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Power_on_Test\" >\u96fb\u6e90\u6295\u5165\u30c6\u30b9\u30c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Load_Test\" >\u8ca0\u8377\u30c6\u30b9\u30c8<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Conclusion\" >\u7d50\u8ad6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#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-16\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#What_to_Do_If_It_Still_Doesnt_Work_after_Replacement\" >\u4ea4\u63db\u5f8c\u3082\u307e\u3060\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Can_I_Use_a_Higher_Current_Breaker_to_Prevent_Tripping\" >\u906e\u65ad\u5668\u306e\u4f5c\u52d5\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u3088\u308a\u9ad8\u3044\u96fb\u6d41\u5bb9\u91cf\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3082\u69cb\u3044\u307e\u305b\u3093\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#When_Do_I_Need_to_Replace_a_Circuit_Breaker\" >\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3044\u3064\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.kdmsteel.com\/ja\/how-to-replace-a-circuit-breaker\/#Can_I_Replace_a_Circuit_Breaker_If_Im_Not_a_Professional\" >\u5c02\u9580\u5bb6\u3067\u306a\u304f\u3066\u3082\u3001\u81ea\u5206\u3067\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u4ea4\u63db\u3067\u304d\u307e\u3059\u304b\uff1f<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Step_1_Selecting_the_Right_Circuit_Breaker\"><\/span>\u30b9\u30c6\u30c3\u30d71\uff1a\u9069\u5207\u306a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u9078\u629e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47238\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breaker-1.png\" alt=\"\u56de\u8def\u906e\u65ad\u5668-1\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breaker-1.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breaker-1-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breaker-1-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breaker-1-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u307e\u305a\u3001\u53e4\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u578b\u756a\u3068\u5bb9\u91cf\u3092\u793a\u3059\u8868\u793a\u3084\u8aac\u660e\u66f8\u3092\u3088\u304f\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u3057\u3066\u3001\u65b0\u3057\u3044\u30d6\u30ec\u30fc\u30ab\u30fc\u304c <a href=\"https:\/\/www.kdmsteel.com\/ja\/%e7%94%a3%e6%a5%ad%e7%94%a8%e5%9b%9e%e8%b7%af%e9%81%ae%e6%96%ad%e5%99%a8\/\">\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc<\/a>\u00a0\u65e7\u578b\u3068\u540c\u3058\u96fb\u6d41\u5b9a\u683c\u3001\u6975\u6570\u3001\u8a2d\u7f6e\u65b9\u6cd5\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u4ed5\u69d8\u3001\u30bf\u30a4\u30d7\u3001\u30e2\u30c7\u30eb\u3082\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <a href=\"https:\/\/www.kdmsteel.com\/ja\/%e5%9b%9e%e8%b7%af%e3%83%96%e3%83%ac%e3%83%bc%e3%82%ab%e3%83%bc%e3%83%91%e3%83%8d%e3%83%ab\/\">\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30d1\u30cd\u30eb<\/a>. \u7570\u306a\u308b\u30e2\u30c7\u30eb\u3092\u6df7\u305c\u308b\u3068\u3001\u63a5\u7d9a\u4e0d\u826f\u3084\u5b89\u5168\u4e8b\u6545\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5b89\u5168\u3067\u4fe1\u983c\u3067\u304d\u308b\u30e1\u30fc\u30ab\u30fc\u3068\u5354\u529b\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002 <a href=\"https:\/\/www.kdmsteel.com\/ja\/%e7%9b%b4%e6%b5%81%e9%81%ae%e6%96%ad%e5%99%a8\/\">\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc<\/a> \u305d\u3057\u3066\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u30d1\u30cd\u30eb\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Step_2_Preparation_Tools\"><\/span>\u30b9\u30c6\u30c3\u30d72\uff1a\u6e96\u5099\u30c4\u30fc\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47244\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Screwdrivers.png\" alt=\"\u30c9\u30e9\u30a4\u30d0\u30fc\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Screwdrivers.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Screwdrivers-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Screwdrivers-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Screwdrivers-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<ul>\n<li>\u30c9\u30e9\u30a4\u30d0\u30fc\uff1a\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306e\u30d7\u30e9\u30b9\u30c9\u30e9\u30a4\u30d0\u30fc\u30681\u30d8\u30c3\u30c9\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u7528\u610f\u3057\u3001\u7d76\u7e01\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u30d1\u30cd\u30eb\u3084\u914d\u7dda\u306e\u53d6\u308a\u5916\u3057\u3068\u53d6\u308a\u4ed8\u3051\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002.<\/li>\n<li>\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\uff1a\u505c\u96fb\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u4fe1\u983c\u3067\u304d\u308b\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u307e\u305f\u306f\u96fb\u5727\u30c6\u30b9\u30bf\u30fc\u3092\u7528\u610f\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002.<\/li>\n<li>\u30d8\u30c3\u30c9\u30e9\u30f3\u30d7\u307e\u305f\u306f\u61d0\u4e2d\u96fb\u706f\uff1a\u96fb\u6e90\u304c\u5207\u308c\u3066\u3044\u308b\u3068\u304d\u306f\u3001\u4f5c\u696d\u4e2d\u306f\u771f\u3063\u6697\u3067\u3059\u3002\u914d\u96fb\u76e4\u5185\u90e8\u304c\u5341\u5206\u306b\u660e\u308b\u304f\u306a\u308b\u3088\u3046\u306b\u3001\u61d0\u4e2d\u96fb\u706f\u307e\u305f\u306f\u30d8\u30c3\u30c9\u30e9\u30f3\u30d7\u3092\u7528\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li>\u7d76\u7e01\u624b\u888b\u3068\u30b4\u30fc\u30b0\u30eb\uff1a\u5b89\u5168\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u96fb\u6c17\u5de5\u4e8b\u58eb\u306e\u57fa\u6e96\u3092\u6e80\u305f\u3059\u7d76\u7e01\u624b\u888b\u3068\u30b4\u30fc\u30b0\u30eb\u3092\u7740\u7528\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002.<\/li>\n<li>\u305d\u306e\u4ed6\u5fc5\u8981\u306a\u9053\u5177\uff1a\u4e00\u6642\u7684\u306a\u56fa\u5b9a\u7528\u306e\u96fb\u6c17\u30c6\u30fc\u30d7\u3001\u7d76\u7e01\u30da\u30f3\u30c1\u3001\u30ef\u30a4\u30e4\u30fc\u30b9\u30c8\u30ea\u30c3\u30d1\u30fc\u3002.<\/li>\n<\/ul>\n<p>\u4f5c\u696d\u524d\u306b\u914d\u96fb\u76e4\u5468\u8fba\u306e\u30b4\u30df\u3092\u53d6\u308a\u9664\u3044\u3066\u304a\u304f\u3068\u4f5c\u696d\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u9032\u307f\u307e\u3059\u3002\u4ea4\u63db\u4f5c\u696d\u4e2d\u306f\u3001\u6728\u88fd\u306e\u677f\u307e\u305f\u306f\u4e7e\u71e5\u3057\u305f\u7d76\u7e01\u30de\u30c3\u30c8\u306e\u4e0a\u306b\u7acb\u3061\u3001\u91d1\u5c5e\u88fd\u306e\u30a2\u30af\u30bb\u30b5\u30ea\u30fc\u306f\u7d76\u5bfe\u306b\u7740\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u4f5c\u696d\u3092\u88dc\u52a9\u3057\u3066\u304f\u308c\u308b\u4eba\u3001\u7dca\u6025\u6642\u306b\u96fb\u6e90\u3092\u906e\u65ad\u3057\u305f\u308a\u52a9\u3051\u3092\u547c\u3093\u3060\u308a\u3059\u308b\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u3044\u308b\u4eba\u304c\u540c\u5e2d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Step_3_Cutting_off_the_Main_Power_Supply\"><\/span>\u30b9\u30c6\u30c3\u30d73\uff1a\u4e3b\u96fb\u6e90\u3092\u906e\u65ad\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47239\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/distribution-box.png\" alt=\" \u5206\u914d\u30dc\u30c3\u30af\u30b9 \" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/distribution-box.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/distribution-box-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/distribution-box-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/distribution-box-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u30d8\u30c3\u30c9\u30e9\u30f3\u30d7\u3092\u70b9\u706f\u3057\u3001\u914d\u96fb\u30dc\u30c3\u30af\u30b9\u5185\u306e\u4e3b\u96fb\u6e90\u30b9\u30a4\u30c3\u30c1\u3092\u898b\u3064\u3051\u3066\u30aa\u30d5\u306e\u4f4d\u7f6e\u306b\u56de\u3057\u307e\u3059\u3002\u914d\u96fb\u30dc\u30c3\u30af\u30b9\u304c\u8907\u6570\u968e\u5efa\u3066\u306e\u5834\u5408\u306f\u3001\u307e\u305a\u968e\u306e\u4e3b\u30b9\u30a4\u30c3\u30c1\u3092\u5916\u3057\u3001\u6b21\u306b\u4e3b\u96fb\u6e90\u914d\u96fb\u30b9\u30a4\u30c3\u30c1\u3092\u5916\u3057\u307e\u3059\u3002\u307e\u305a\u3001\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u307e\u305f\u306f\u30b5\u30fc\u30ad\u30c3\u30c8\u30da\u30f3\u3092\u4f7f\u7528\u3057\u3066\u901a\u96fb\u4e2d\u306e\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u30c6\u30b9\u30c8\u3057\u3001\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u305d\u308c\u3092\u4f7f\u7528\u3057\u3066\u53e4\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3068\u65b0\u3057\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5165\u529b\u7aef\u5b50\u3092\u30c6\u30b9\u30c8\u3057\u3001\u96fb\u5727\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Step_4_Open_the_Circuit_Breaker_Panel\"><\/span>\u30b9\u30c6\u30c3\u30d74\uff1a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30d1\u30cd\u30eb\u3092\u958b\u304f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47240\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/the-Circuit-Breaker-Panel.png\" alt=\"\u56de\u8def\u906e\u65ad\u5668\u30d1\u30cd\u30eb-1\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/the-Circuit-Breaker-Panel.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/the-Circuit-Breaker-Panel-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/the-Circuit-Breaker-Panel-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/the-Circuit-Breaker-Panel-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u9069\u5207\u306a\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30cd\u30b8\u3092\u5916\u3057\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u30d1\u30cd\u30eb\u3092\u614e\u91cd\u306b\u958b\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u30ab\u30d0\u30fc\u30d7\u30ec\u30fc\u30c8\u3068\u30cd\u30b8\u306f\u90aa\u9b54\u306b\u306a\u3089\u306a\u3044\u5834\u6240\u306b\u7f6e\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u30cd\u30b8\u306f\u7d1b\u5931\u3057\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5f8c\u3067\u30ab\u30d0\u30fc\u30d7\u30ec\u30fc\u30c8\u3092\u53d6\u308a\u4ed8\u3051\u308b\u969b\u306b\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u30d1\u30cd\u30eb\u5185\u90e8\u306e\u96fb\u6e90\u30b1\u30fc\u30d6\u30eb\u306f\u3001\u4e3b\u96fb\u6e90\u30b9\u30a4\u30c3\u30c1\u3092\u5207\u3063\u305f\u5f8c\u3082\u901a\u96fb\u72b6\u614b\u304c\u7d9a\u304f\u305f\u3081\u3001\u7d76\u5bfe\u306b\u89e6\u3089\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Step_5_Disconnect_the_Load_Line\"><\/span>\u30b9\u30c6\u30c3\u30d75\uff1a\u30ed\u30fc\u30c9\u30e9\u30a4\u30f3\u3092\u5916\u3059<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u306f\u901a\u5e382\u672c\u306e\u96fb\u7dda\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u307e\u3059\u30021\u672c\u306f\u96fb\u6e90\u304b\u3089\u306e\u6d3b\u7dda\u3001\u3082\u30461\u672c\u306f\u6a5f\u5668\u3078\u306e\u8ca0\u8377\u7dda\u3067\u3059\u3002\u53e4\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u8ca0\u8377\u7dda\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u901a\u5e38\u306f\u9ed2\u307e\u305f\u306f\u8d64\u3067\u3001\u7aef\u5b50\u7a74\u306b\u306d\u3058\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u4f7f\u3063\u3066\u614e\u91cd\u306b\u53d6\u308a\u5916\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5148\u7aef\u306e\u5c16\u3063\u305f\u30da\u30f3\u30c1\u3092\u4f7f\u3046\u3068\u5f15\u304d\u629c\u304f\u969b\u306b\u4fbf\u5229\u3067\u3059\u304c\u3001\u96fb\u7dda\u3092\u66f2\u3052\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6b21\u306b\u3001\u9732\u51fa\u3057\u305f\u9285\u7dda\u306e\u7aef\u3092\u7d76\u7e01\u30c6\u30fc\u30d7\u3067\u5dfb\u3044\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Step_6_Remove_Old_Circuit_Breakers\"><\/span>\u30b9\u30c6\u30c3\u30d76\uff1a\u53e4\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u53d6\u308a\u5916\u3059<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47241\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breakers-1.png\" alt=\"\u56de\u8def\u906e\u65ad\u5668-1\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breakers-1.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breakers-1-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breakers-1-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breakers-1-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"General_Circuit_Breaker\"><\/span>\u4e00\u822c\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u901a\u5e38\u3001\u30b9\u30ca\u30c3\u30d7\u30d5\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u30d1\u30cd\u30eb\u306e\u5185\u5074\u306e\u53d6\u308a\u4ed8\u3051\u30ec\u30fc\u30eb\u306b\u56fa\u5b9a\u3055\u308c\u3001\u3082\u3046\u4e00\u65b9\u306e\u7aef\u306f <a href=\"https:\/\/www.kdmsteel.com\/ja\/busbar\/\">\u30d0\u30b9\u30d0\u30fc<\/a>. \u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u4f7f\u3063\u3066\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u7aef\u3092\u5916\u5074\u306b\u5f15\u3063\u5f35\u308a\u3001\u30d0\u30b9\u30d0\u30fc\u304b\u3089\u5916\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u53d6\u308a\u4ed8\u3051\u30ec\u30fc\u30eb\u304b\u3089\u53d6\u308a\u5916\u3057\u307e\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Special_Circuit_Breakers\"><\/span>\u7279\u6b8a\u56de\u8def\u906e\u65ad\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e8c\u6975\u5f0f\u307e\u305f\u306f\u591a\u6bb5\u5f0f\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5834\u5408\u306f\u3001\u4e21\u7aef\u3092\u540c\u6642\u306b\u64cd\u4f5c\u3057\u3066\u30d0\u30b9\u30d0\u30fc\u304b\u3089\u306e\u63a5\u7d9a\u3092\u89e3\u9664\u3057\u3001\u30ec\u30fc\u30eb\u304b\u3089\u53d6\u308a\u5916\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001GFCI\/AFCI\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5834\u5408\u306f\u3001\u30d0\u30b9\u30d0\u30fc\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u4e2d\u6027\u7dda\uff08\u901a\u5e38\u306f\u767d\u8272\u306e\u67d4\u8edf\u306a\u96fb\u7dda\uff09\u3082\u53d6\u308a\u5916\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Step_7_Install_New_Circuit_Breakers\"><\/span>\u30b9\u30c6\u30c3\u30d77\uff1a\u65b0\u3057\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47242\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breakers-2.png\" alt=\"\u56de\u8def\u906e\u65ad\u5668-2\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breakers-2.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breakers-2-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breakers-2-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Circuit-Breakers-2-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u65b0\u3057\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u5916\u89b3\u4e0a\u306e\u640d\u50b7\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u65b0\u3057\u3044\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u96fb\u7dda\u7aef\u306f\u6e05\u6f54\u3067\u3057\u3063\u304b\u308a\u3068\u56fa\u5b9a\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u7dda\u7aef\u304c\u640d\u50b7\u3057\u3066\u9178\u5316\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30ef\u30a4\u30e4\u30fc\u30b9\u30c8\u30ea\u30c3\u30d1\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u304d\u308c\u3044\u306a\u9285\u7dda\u30920.5\u30a4\u30f3\u30c1\u5265\u304c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5f8c\u3001 <a href=\"https:\/\/www.kdmsteel.com\/ja\/%e9%9b%bb%e6%b0%97%e3%83%91%e3%83%8d%e3%83%ab%e3%81%ab%e5%9b%9e%e8%b7%af%e3%83%96%e3%83%ac%e3%83%bc%e3%82%ab%e3%83%bc%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/\">\u96fb\u6c17\u30d1\u30cd\u30eb\u306b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u8ffd\u52a0\u3059\u308b<\/a>. \u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u308b\u306b\u306f\u3001\u30b9\u30ca\u30c3\u30d7\u30d5\u30c3\u30af\u304c\u4ed8\u3044\u3066\u3044\u308b\u90e8\u5206\u3092\u30d1\u30cd\u30eb\u5185\u5074\u306e\u53d6\u308a\u4ed8\u3051\u30ec\u30fc\u30eb\u306b\u639b\u3051\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u3082\u3046\u4e00\u65b9\u306e\u7aef\u3092\u30d0\u30b9\u30d0\u30fc\u306b\u5f53\u305f\u308b\u30b9\u30ed\u30c3\u30c8\u306b\u62bc\u3057\u8fbc\u307f\u307e\u3059\u3002\u8efd\u304f\u63fa\u3089\u3057\u3066\u3001\u53d6\u308a\u4ed8\u3051\u306b\u7de9\u307f\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Step_8_Connecting_the_Load_Line\"><\/span>\u30b9\u30c6\u30c3\u30d78\uff1a\u30ed\u30fc\u30c9\u30e9\u30a4\u30f3\u306e\u63a5\u7d9a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u300cLOAD\u300d\u3068\u30de\u30fc\u30af\u3055\u308c\u305f\u63a5\u7d9a\u7a74\u3092\u63a2\u3057\u307e\u3059\u3002\u9285\u7dda\u306e\u7aef\u304b\u3089\u7d76\u7e01\u30c6\u30fc\u30d7\u3092\u5265\u304c\u3057\u3001\u65b0\u3057\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u8ca0\u8377\u7aef\u5b50\u7a74\u306b\u307e\u3063\u3059\u3050\u5dee\u3057\u8fbc\u307f\u307e\u3059\u3002\u9285\u7dda\u306b\u7de9\u307f\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u7d76\u7e01\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u914d\u7dda\u30cd\u30b8\u3092\u7de0\u3081\u307e\u3059\u3002\u8ca0\u8377\u7dda\u3092\u5b89\u5b9a\u3055\u305b\u3001\u4ed6\u306e\u91d1\u5c5e\u90e8\u5206\u306b\u89e6\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u3001\u904e\u71b1\u3084\u706b\u707d\u306e\u539f\u56e0\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Step_9_Testing_New_Circuit_Breakers\"><\/span>\u30b9\u30c6\u30c3\u30d79\uff1a\u65b0\u3057\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30c6\u30b9\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47243\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Crcuit-Breakers-3.png\" alt=\"\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc-3\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Crcuit-Breakers-3.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Crcuit-Breakers-3-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Crcuit-Breakers-3-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Crcuit-Breakers-3-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Power_on_Test\"><\/span>\u96fb\u6e90\u6295\u5165\u30c6\u30b9\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30d1\u30cd\u30eb\u5185\u90e8\u306b\u305d\u306e\u4ed6\u306e\u7570\u7269\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3001\u3042\u308c\u3070\u53d6\u308a\u9664\u304d\u307e\u3059\u3002\u65b0\u3057\u3044\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u6b63\u3057\u304f\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u518d\u78ba\u8a8d\u3057\u3001\u30d1\u30cd\u30eb\u30ab\u30d0\u30fc\u3092\u5143\u306b\u623b\u3057\u307e\u3059\u3002\u307e\u305a\u4e3b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30cf\u30f3\u30c9\u30eb\u3092ON\u306e\u4f4d\u7f6e\u306b\u64cd\u4f5c\u3057\u3066\u3001\u4e3b\u96fb\u6e90\u3092\u5fa9\u65e7\u3055\u305b\u307e\u3059\u3002\u6b21\u306b\u3001\u65b0\u3057\u3044\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30cf\u30f3\u30c9\u30eb\u3092ON\u306e\u4f4d\u7f6e\u306b\u64cd\u4f5c\u3057\u3001\u30e9\u30a4\u30f3\u4e0a\u306e\u6a5f\u5668\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Load_Test\"><\/span>\u8ca0\u8377\u30c6\u30b9\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9577\u671f\u4f7f\u7528\u306b\u304a\u3044\u3066\u30a8\u30e9\u30fc\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u8ca0\u8377\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5b9a\u683c\u5bb9\u91cf\u306b\u8fd1\u3044\u8ca0\u8377\u3092\u518d\u3073\u96fb\u6e90\u306b\u63a5\u7d9a\u3057\u3001\u6570\u5206\u9593\u52d5\u4f5c\u3055\u305b\u307e\u3059\u3002\u65b0\u3057\u3044\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u518d\u3073\u30c8\u30ea\u30c3\u30d7\u3057\u305f\u308a\u3001\u71b1\u304f\u306a\u3063\u305f\u308a\u3001\u7570\u97f3\u3092\u767a\u3057\u305f\u308a\u3057\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u3059\u3050\u306b\u96fb\u6e90\u3092\u5207\u3063\u3066\u4fee\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u554f\u984c\u304c\u306a\u3051\u308c\u3070\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4ea4\u63db\u306f\u6210\u529f\u3067\u3059\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u4fee\u7406\u304c\u96e3\u3057\u3044\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5c02\u9580\u696d\u8005\u306b\u4fee\u7406\u3092\u4f9d\u983c\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\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\u306e\u8a18\u4e8b\u306e\u624b\u9806\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u30c7\u30a3\u30b9\u30b3\u30cd\u30af\u30c8\u3092\u8fc5\u901f\u306b\u4ea4\u63db\u3067\u304d\u307e\u3059\u3002\u9069\u5207\u306a\u3082\u306e\u3092\u304a\u63a2\u3057\u306e\u5834\u5408\u306f\u3001 <a href=\"https:\/\/www.kdmsteel.com\/ja\/%e9%9b%bb%e6%b0%97%e3%83%91%e3%83%8d%e3%83%ab\/\">\u96fb\u6c17\u30d1\u30cd\u30eb<\/a> \u78c1\u6c17\u71b1\u906e\u65ad\u5668\u7528\u3001\u307e\u305f\u306f\u30ab\u30b9\u30bf\u30e0\u30d1\u30cd\u30eb\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001, <a href=\"https:\/\/www.kdmsteel.com\/ja\/\">KDM\u30b9\u30c1\u30fc\u30eb<\/a>\u00a0\u5f0a\u793e\u304c\u7b2c\u4e00\u306e\u9078\u629e\u80a2\u3068\u306a\u308b\u306f\u305a\u3067\u3059\u3002\u5fc5\u8981\u3067\u3042\u308c\u3070\u3001\u3059\u3050\u306b\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>\u3088\u304f\u3042\u308b\u8cea\u554f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"What_to_Do_If_It_Still_Doesnt_Work_after_Replacement\"><\/span>\u4ea4\u63db\u5f8c\u3082\u307e\u3060\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u307e\u305a\u3001\u4e3b\u96fb\u6e90\u304c\u6b63\u3057\u304f\u5fa9\u65e7\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u914d\u7dda\u7aef\u306b\u96fb\u529b\u304c\u4f9b\u7d66\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u6e2c\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u914d\u7dda\u304c\u6b63\u3057\u304f\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u304b\u3082\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u56de\u8def\u5185\u306e\u6a5f\u5668\u3092\u53d6\u308a\u5916\u3057\u3066\u3001\u904e\u8ca0\u8377\u72b6\u614b\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3059\u3079\u3066\u554f\u984c\u304c\u306a\u3051\u308c\u3070\u3001\u5c02\u9580\u696d\u8005\u306b\u70b9\u691c\u3092\u4f9d\u983c\u3059\u308b\u306e\u304c\u6700\u5584\u3067\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_I_Use_a_Higher_Current_Breaker_to_Prevent_Tripping\"><\/span>\u906e\u65ad\u5668\u306e\u4f5c\u52d5\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u3088\u308a\u9ad8\u3044\u96fb\u6d41\u5bb9\u91cf\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3082\u69cb\u3044\u307e\u305b\u3093\u304b\uff1f<span 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class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u983b\u7e41\u306a\u30c8\u30ea\u30c3\u30d7\uff1a\u96fb\u6e90\u306b\u904e\u8ca0\u8377\u304c\u304b\u304b\u308b\u3068\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u4f5c\u52d5\u3057\u307e\u3059\u3002\u4e0d\u9069\u5207\u306a\u4f7f\u7528\u306b\u3088\u308b\u4e00\u6642\u7684\u306a\u30c8\u30ea\u30c3\u30d7\u306f\u6b63\u5e38\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u983b\u7e41\u306b\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u5834\u5408\u306f\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3001\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li>\u640d\u50b7\u307e\u305f\u306f\u7570\u81ed\uff1a\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5916\u89b3\u306b\u3001\u713c\u3051\u7126\u3052\u3001\u6eb6\u3051\u3001\u3072\u3073\u5272\u308c\u3001\u8150\u98df\u306a\u3069\u306e\u640d\u50b7\u304c\u898b\u3089\u308c\u308b\u5834\u5408\u306f\u3001\u901f\u3084\u304b\u306b\u4ea4\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5916\u89b3\u306b\u640d\u50b7\u304c\u306a\u3044\u5834\u5408\u3067\u3082\u3001\u7126\u3052\u81ed\u3044\u306a\u3069\u306e\u7570\u81ed\u304c\u3059\u308b\u5834\u5408\u306f\u3001\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li><a href=\"https:\/\/www.kdmsteel.com\/ja\/%e3%82%b5%e3%83%bc%e3%82%ad%e3%83%83%e3%83%88%e3%83%96%e3%83%ac%e3%83%bc%e3%82%ab%e3%83%bc%e3%81%ae%e5%af%bf%e5%91%bd%e3%81%af%e3%81%a9%e3%82%8c%e3%81%8f%e3%82%89%e3%81%84%e3%81%a7%e3%81%99%e3%81%8b\/\">\u9577\u671f\u4f7f\u7528<\/a>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f40\u5e74\u307b\u3069\u4f7f\u7528\u3067\u304d\u307e\u3059\u304c\u3001\u4f7f\u7528\u671f\u9593\u304c\u9577\u304f\u306a\u308b\u306b\u3064\u308c\u3066\u6027\u80fd\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u5b89\u5168\u6027\u3092\u3088\u308a\u78ba\u5b9f\u306b\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u8001\u673d\u5316\u3057\u305f\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u9069\u6642\u306b\u4ea4\u63db\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Can_I_Replace_a_Circuit_Breaker_If_Im_Not_a_Professional\"><\/span>\u5c02\u9580\u5bb6\u3067\u306a\u304f\u3066\u3082\u3001\u81ea\u5206\u3067\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u4ea4\u63db\u3067\u304d\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6b63\u76f4\u306a\u3068\u3053\u308d\u3001\u57fa\u672c\u7684\u306a\u96fb\u6c17\u539f\u7406\u3092\u3057\u3063\u304b\u308a\u7406\u89e3\u3057\u3001\u56de\u8def\u3084\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4ed5\u7d44\u307f\u3092\u628a\u63e1\u3057\u3001\u305d\u3057\u3066\u4f55\u3088\u308a\u3082\u91cd\u8981\u306a\u306e\u306f\u3001\u9069\u5207\u306a\u5de5\u5177\u3092\u4f7f\u7528\u3057\u3001\u53b3\u683c\u306a\u5b89\u5168\u624b\u9806\u3092\u6bb5\u968e\u7684\u306b\u5b88\u308c\u3070\u3001\u81ea\u5206\u3067\u4ea4\u63db\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u306f\u6f5c\u5728\u7684\u306b\u5371\u967a\u306a\u96fb\u6c17\u5de5\u4e8b\u3067\u3059\u3002\u81ea\u5206\u306e\u77e5\u8b58\u306b\u81ea\u4fe1\u304c\u306a\u3044\u5834\u5408\u3084\u3001\u914d\u96fb\u76e4\u5185\u90e8\u3067\u306e\u4f5c\u696d\u306b\u4e0d\u5b89\u304c\u3042\u308b\u5834\u5408\u3001\u3042\u308b\u3044\u306f\u81ea\u5b85\u306e\u96fb\u6c17\u7cfb\u7d71\u304c\u3088\u308a\u8907\u96d1\u306a\u5834\u5408\u306f\u3001\u8cc7\u683c\u3092\u6301\u3063\u305f\u5c02\u9580\u306e\u96fb\u6c17\u6280\u5e2b\u306b\u4f9d\u983c\u3057\u3066\u5b89\u5168\u306b\u4ea4\u63db\u3057\u3066\u3082\u3089\u3046\u3053\u3068\u3092\u5f37\u304f\u304a\u52e7\u3081\u3057\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>A circuit breaker is an electrical protection device that safely interrupts the flow of electricity in the event of an abnormal current, protecting your circuits and equipment from damage and preventing the risk of fire. When a circuit breaker is not functioning properly, you need to replace it promptly to ensure safety. This article will [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":47240,"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":"disabled","ast-featured-img":"","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-45819","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 v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Replace a Circuit Breaker - 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\/\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4ea4\u63db\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Replace a Circuit Breaker - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"A circuit breaker is an electrical protection device that safely interrupts the flow of electricity in the event of an abnormal current, protecting your circuits and equipment from damage and preventing the risk of fire. 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