{"id":48726,"date":"2026-02-07T02:31:20","date_gmt":"2026-02-07T02:31:20","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=48726"},"modified":"2026-02-07T02:31:20","modified_gmt":"2026-02-07T02:31:20","slug":"internal-structure-of-distribution-box","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/","title":{"rendered":"\u914d\u7535\u7bb1\u5185\u90e8\u7ed3\u6784"},"content":{"rendered":"<p>\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784\u65e8\u5728\u5b89\u5168\u5730\u5c06\u4e3b\u7535\u6e90\u7684\u7535\u529b\u5206\u914d\u5230\u591a\u4e2a\u5206\u652f\u7535\u8def\uff0c\u5e76\u4e3a\u4fdd\u62a4\u3001\u63a7\u5236\u548c\u7ef4\u62a4\u63d0\u4f9b\u4fbf\u5229\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u914d\u7535\u7bb1\u7684\u7ed3\u6784\u3001\u529f\u80fd\u5212\u5206\u548c\u9009\u578b\u5efa\u8bae\uff0c\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u4e86\u89e3\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3001\u8fd0\u884c\u6548\u7387\u548c\u4f7f\u7528\u5bff\u547d\u3002.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\u5f55<\/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=\"\u5207\u6362\u76ee\u5f55\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u6362<\/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\" 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class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Enclosure_and_Mounting_Structure\" >\u5916\u58f3\u548c\u5b89\u88c5\u7ed3\u6784<\/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\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Busbars_System\" >\u6bcd\u7ebf\u7cfb\u7edf<\/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\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Circuit_Protection_Devices\" >\u7535\u8def\u4fdd\u62a4\u88c5\u7f6e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Main_Switch_and_Incoming_Terminals\" >\u4e3b\u5f00\u5173\u548c\u8fdb\u7ebf\u7aef\u5b50<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Outgoing_Circuits_and_Internal_Wiring\" >\u8f93\u51fa\u7535\u8def\u548c\u5185\u90e8\u5e03\u7ebf<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Functional_Zoning_Inside_the_Distribution_Box\" >\u914d\u7535\u7bb1\u5185\u90e8\u529f\u80fd\u5206\u533a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Power_Input\" >\u7535\u6e90\u8f93\u5165<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Protection_and_Control\" >\u4fdd\u62a4\u4e0e\u63a7\u5236<\/a><\/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\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Power_DistributionOutput\" >\u7535\u6e90\u5206\u914d\/\u8f93\u51fa<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Safety_and_Maintenance_Consideration\" >\u5b89\u5168\u548c\u7ef4\u62a4\u6ce8\u610f\u4e8b\u9879<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Common_Internal_Structure_Configuration\" >\u901a\u7528\u5185\u90e8\u7ed3\u6784\u914d\u7f6e<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Single-phase_Distribution_Box\" >\u5355\u76f8\u914d\u7535\u7bb1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Three-phase_Distribution_Box\" >\u4e09\u76f8\u914d\u7535\u7bb1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Residential_Distribution_Box\" >\u4f4f\u5b85\u914d\u7535\u7bb1<\/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\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Industrial_Distribution_Box\" >\u5de5\u4e1a\u914d\u7535\u7bb1<\/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\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Modular_Distribution_Box\" >\u6a21\u5757\u5316\u914d\u7535\u7bb1<\/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\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Outdoor_Distribution_Box\" >\u6237\u5916\u914d\u7535\u7bb1<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Factors_to_consider_When_you_choosing_distribution_box\" >\u9009\u62e9\u914d\u7535\u7bb1\u65f6\u9700\u8981\u8003\u8651\u7684\u56e0\u7d20<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Consider_Phase_Type_and_Installation_Environment\" >\u8003\u8651\u76f8\u578b\u548c\u5b89\u88c5\u73af\u5883<\/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\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Size_Durability_and_Compliance\" >\u5c3a\u5bf8\u3001\u8010\u7528\u6027\u548c\u5408\u89c4\u6027<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#FAQ\" >\u5e38\u95ee\u95ee\u9898<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#How_is_Internal_Wiring_Organized_Inside_a_Distribution_Box\" >\u914d\u7535\u7bb1\u5185\u90e8\u7684\u7ebf\u8def\u662f\u5982\u4f55\u5e03\u7f6e\u7684\uff1f<\/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\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#What_Safety_Features_are_Included_in_the_Internal_Structure_of_a_Distribution_Box\" >\u914d\u7535\u7bb1\u5185\u90e8\u7ed3\u6784\u5305\u542b\u54ea\u4e9b\u5b89\u5168\u529f\u80fd\uff1f<\/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\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Will_the_Internal_Spacing_and_Gaps_Affect_the_Safety_of_the_Distribution_Box\" >\u5185\u90e8\u95f4\u8ddd\u548c\u7f1d\u9699\u4f1a\u5f71\u54cd\u914d\u7535\u7bb1\u7684\u5b89\u5168\u6027\u5417\uff1f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/#Final_Thought\" >\u6700\u540e\u60f3\u8bf4<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_a_Distribution_Box\"><\/span>\u4ec0\u4e48\u662f\u914d\u7535\u7bb1\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u914d\u7535\u7bb1\u4e5f\u53ef\u4ee5\u79f0\u4e3a <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u914d\u7535\u677f-2\/\">\u914d\u7535\u677f<\/a>\u00a0\u6216\u8005\u8bf4\u662f\u914d\u7535\u76d8\u3002\u5b83\u662f\u4e00\u4e2a\u96c6\u4e2d\u5f0f\u7535\u6c14\u5355\u5143\uff0c\u7528\u4e8e\u5bb9\u7eb3\u5f00\u5173\u3001\u4fdd\u62a4\u548c\u914d\u7535\u7ec4\u4ef6\u3002\u5176\u5185\u90e8\u7ed3\u6784\u786e\u4fdd\u4e86\u53ef\u63a7\u7684\u7535\u529b\u5206\u914d\u3001\u8fc7\u8f7d\u548c\u77ed\u8def\u4fdd\u62a4\u3001\u63a5\u5730\uff0c\u4ee5\u53ca\u4f4f\u5b85\u3001\u5546\u4e1a\u548c\u5de5\u4e1a\u5e94\u7528\u4e2d\u7535\u6c14\u7cfb\u7edf\u7684\u5b89\u5168\u8fd0\u884c\u3002.<\/p>\n<p>\u914d\u7535\u7bb1\u7684\u4e24\u5927\u4e3b\u8981\u529f\u80fd\u662f\u914d\u7535\u548c\u7535\u8def\u4fdd\u62a4\u3002\u914d\u7535\u662f\u5c06\u4e3b\u7535\u6e90\u5b89\u5168\u5730\u5206\u914d\u5230\u5404\u4e2a\u7535\u8def\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4e3b\u8981\u4fdd\u969c\u7535\u529b\u7cfb\u7edf\u7684\u5b89\u5168\u6709\u5e8f\u8fd0\u884c\u3002.<\/p>\n<p>\u6b64\u5916\uff0c\u914d\u7535\u7bb1\u5728\u4fdd\u62a4\u7535\u8def\u7cfb\u7edf\u65b9\u9762\u4e5f\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002\u77ed\u8def\u4fdd\u62a4\u548c\u8fc7\u8f7d\u4fdd\u62a4\u662f\u5176\u5185\u7f6e\u7684\u4fdd\u62a4\u673a\u5236\u3002\u8fd9\u4e9b\u4fdd\u62a4\u673a\u5236\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u53ef\u80fd\u635f\u574f\u7cfb\u7edf\u6216\u5f15\u53d1\u706b\u707e\u7684\u7535\u6c14\u6545\u969c\u3002.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48732\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box.jpg\" alt=\"\u914d\u7535\u7bb1\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Internal_Structure_of_a_distribution_box\"><\/span>\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Enclosure_and_Mounting_Structure\"><\/span>\u5916\u58f3\u548c\u5b89\u88c5\u7ed3\u6784<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u914d\u7535\u7bb1\u5916\u58f3\u662f\u914d\u7535\u7bb1\u7684\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u53ef\u4ee5\u4fdd\u62a4\u5185\u90e8\u5143\u4ef6\u514d\u53d7\u673a\u68b0\u635f\u4f24\u3001\u7070\u5c18\u548c\u610f\u5916\u63a5\u89e6\u7684\u5f71\u54cd\u3002\u914d\u7535\u7bb1\u901a\u5e38\u7531\u91d1\u5c5e\u6216\u5851\u6599\u5236\u6210\u3002.<\/p>\n<p>\u5de5\u7a0b\u5851\u6599\u5177\u6709\u826f\u597d\u7684\u7edd\u7f18\u6027\u3001\u8010\u8150\u8680\u6027\u548c\u91cd\u91cf\u8f7b\u7684\u4f18\u70b9\uff0c\u901a\u5e38\u7528\u4f5c\u5bb6\u7528\u914d\u7535\u7bb1\u3002\u91d1\u5c5e\u5916\u58f3\uff08<a href=\"https:\/\/www.kdmsteel.com\/zh\/\u7535\u6c14\u5916\u58f3\/\u4e0d\u9508\u94a2\u7535\u5668\u5916\u58f3\/\">\u4e0d\u9508\u94a2<\/a>\u00a0\u6216\u8005 <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u9540\u950c\u94a2\u5916\u58f3\/\">\u9540\u950c\u94a2<\/a>\u91d1\u5c5e\u914d\u7535\u7bb1\u5177\u6709\u9ad8\u673a\u68b0\u5f3a\u5ea6\u548c\u826f\u597d\u7684\u8010\u706b\u6027\u80fd\uff0c\u53ef\u7528\u4e8e\u5de5\u4e1a\u3001\u6237\u5916\u6216\u91cd\u578b\u4f5c\u4e1a\u73af\u5883\u3002.<\/p>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u914d\u7535\u7bb1\u5916\u58f3\u4e5f\u5177\u6709\u4e00\u5b9a\u7684IP\u9632\u62a4\u7b49\u7ea7\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u5b89\u88c5\u73af\u5883\u9009\u62e9\u5177\u6709\u7279\u5b9aIP\u9632\u62a4\u7b49\u7ea7\u7684\u914d\u7535\u7bb1\uff0c\u4e3a\u5185\u90e8\u7ec4\u4ef6\u63d0\u4f9b\u4fdd\u62a4\u3001\u652f\u6491\u548c\u6563\u70ed\u73af\u5883\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Busbars_System\"><\/span>\u6bcd\u7ebf\u7cfb\u7edf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6bcd\u7ebf\u662f\u4e00\u6761\u5bfc\u7535\u91d1\u5c5e\u6761\uff0c\u901a\u5e38\u7531\u2026\u2026\u5236\u6210 <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u94dc\u6bcd\u7ebf-2\/\">\u94dc<\/a>\u00a0\u6216\u94dd\u7ebf\u3002\u5b83\u7528\u4e8e\u5c06\u7535\u529b\u4ece\u4e3b\u5f00\u5173\u5206\u914d\u5230\u591a\u4e2a\u65ad\u8def\u5668\u3002\u4e0e\u4f20\u7edf\u5e03\u7ebf\u65b9\u5f0f\u76f8\u6bd4\uff0c <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u7535\u6c14\u6bcd\u7ebf\u7cfb\u7edf\/\">\u6bcd\u7ebf\u7cfb\u7edf<\/a>\u00a0\u5b83\u5177\u6709\u66f4\u53ef\u9760\u7684\u8fde\u63a5\u548c\u66f4\u4f4e\u7684\u63a5\u89e6\u7535\u963b\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u51cf\u5c11\u4e86\u914d\u7535\u7bb1\u5185\u6742\u4e71\u7684\u7535\u7ebf\uff0c\u8282\u7701\u4e86\u914d\u7535\u7bb1\u7a7a\u95f4\u3002\u6bcd\u7ebf\u8fd8\u80fd\u63d0\u9ad8\u7535\u6d41\u5206\u914d\u6548\u7387\u5e76\u51cf\u5c11\u70ed\u91cf\u79ef\u805a\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Circuit_Protection_Devices\"><\/span>\u7535\u8def\u4fdd\u62a4\u88c5\u7f6e<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48730\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-4.jpg\" alt=\"\u914d\u7535\u7bb1\uff084\uff09\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-4.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-4-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-4-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-4-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u914d\u7535\u7bb1\u5185\u7684\u7535\u8def\u4fdd\u62a4\u88c5\u7f6e\u4e3b\u8981\u5305\u62ec <a href=\"https:\/\/www.kdmsteel.com\/zh\/din-\u5bfc\u8f68\u76f4\u6d41\u65ad\u8def\u5668\/\">\u65ad\u8def\u5668<\/a>, \u6f0f\u7535\u4fdd\u62a4\u88c5\u7f6e\u548c\u7194\u65ad\u5668\u3002\u65ad\u8def\u5668\u662f\u4e00\u79cd\u4fdd\u62a4\u88c5\u7f6e\uff0c\u5f53\u53d1\u751f\u8fc7\u8f7d\u6216\u77ed\u8def\u65f6\uff0c\u5b83\u4f1a\u81ea\u52a8\u5207\u65ad\u7535\u8def\u3002\u6bcf\u4e2a\u8f93\u51fa\u7535\u8def\u901a\u5e38\u90fd\u914d\u5907\u4e00\u4e2a\u72ec\u7acb\u7684\u65ad\u8def\u5668\uff0c\u4ee5\u5b9e\u73b0\u72ec\u7acb\u4fdd\u62a4\u3002\u5e38\u89c1\u7684\u65ad\u8def\u5668\u5305\u62ec\u5fae\u578b\u65ad\u8def\u5668 (MCB) \u548c\u5851\u58f3\u65ad\u8def\u5668 (MCCB)\u3002.<\/p>\n<p>\u5e38\u89c1\u7684\u6f0f\u7535\u4fdd\u62a4\u88c5\u7f6e\u5305\u62ecRCD\u3001RCCB\u548cRCOBO\u3002\u5b83\u4eec\u53ef\u4ee5\u9632\u6b62\u89e6\u7535\u5e76\u964d\u4f4e\u706b\u707e\u98ce\u9669\u3002\u8fd9\u4e9b\u88c5\u7f6e\u80fd\u591f\u68c0\u6d4b\u6f0f\u7535\u7535\u6d41\uff0c\u5e76\u5728\u6f0f\u7535\u6d41\u8d85\u8fc7\u5b89\u5168\u9650\u503c\u65f6\u5207\u65ad\u7535\u8def\u3002.<\/p>\n<p>\u8fd9\u79cd\u4fdd\u9669\u4e1d\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5229\u7528\u91d1\u5c5e\u7194\u4e1d\u5728\u8fc7\u7535\u6d41\u4e0b\u7194\u65ad\uff0c\u4ece\u800c\u63d0\u4f9b\u7535\u8def\u4fdd\u62a4\u3002\u5b83\u7684\u5206\u65ad\u80fd\u529b\u975e\u5e38\u9ad8\u3002\u60a8\u53ef\u4ee5\u5c06\u5176\u7528\u4e8e\u5bf9\u77ed\u8def\u4fdd\u62a4\u8981\u6c42\u6781\u9ad8\u7684\u573a\u5408\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Main_Switch_and_Incoming_Terminals\"><\/span>\u4e3b\u5f00\u5173\u548c\u8fdb\u7ebf\u7aef\u5b50<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e3b\u5f00\u5173\u4e5f\u79f0\u4e3a\u4e3b\u9694\u79bb\u5f00\u5173\u3002\u5b83\u63a7\u5236\u914d\u7535\u7bb1\u7684\u5168\u90e8\u7535\u6e90\uff0c\u662f\u7535\u6c14\u9694\u79bb\u7684\u5173\u952e\u6240\u5728\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u4e3b\u5f00\u5173\u4e00\u6b21\u6027\u624b\u52a8\u65ad\u5f00\u6240\u6709\u51fa\u7ebf\u7535\u8def\uff0c\u4ee5\u786e\u4fdd\u5728\u7ef4\u62a4\u6216\u7d27\u6025\u60c5\u51b5\u4e0b\u7684\u5b89\u5168\u3002\u4e3b\u5f00\u5173\u901a\u5e38\u5b89\u88c5\u5728\u914d\u7535\u7bb1\u7684\u8fdb\u7ebf\u4fa7\u3002.<\/p>\n<p>\u9694\u79bb\u5668\u4ec5\u63d0\u4f9b\u7269\u7406\u9694\u79bb\uff0c\u4e0d\u63d0\u4f9b\u8fc7\u8f7d\u6216\u77ed\u8def\u4fdd\u62a4\u3002\u5b83\u9700\u8981\u4e0e\u8f83\u4f4e\u7ea7\u522b\u7684\u65ad\u8def\u5668\u914d\u5408\u4f7f\u7528\u3002.<\/p>\n<p>\u8fdb\u7ebf\u63a5\u7ebf\u7aef\u5b50\u662f\u5916\u90e8\u7535\u6e90\u7ebf\u8fdb\u5165\u914d\u7535\u7bb1\u7684\u8fde\u63a5\u70b9\u3002\u8fd9\u4e9b\u7aef\u5b50\u7528\u4e8e\u627f\u53d7\u5927\u7535\u6d41\uff0c\u53ef\u5728\u7535\u6e90\u548c\u5185\u90e8\u7cfb\u7edf\u4e4b\u95f4\u63d0\u4f9b\u5b89\u5168\u7a33\u5b9a\u7684\u7535\u6c14\u8fde\u63a5\u3002\u5982\u679c\u7aef\u5b50\u8fde\u63a5\u4e0d\u5f53\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u914d\u7535\u7bb1\u7535\u6c14\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5f15\u53d1\u7535\u6c14\u5371\u9669\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Outgoing_Circuits_and_Internal_Wiring\"><\/span>\u8f93\u51fa\u7535\u8def\u548c\u5185\u90e8\u5e03\u7ebf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u51fa\u7ebf\u7aef\u5b50\u5c06\u5185\u90e8\u7ebf\u8def\u8fde\u63a5\u5230\u5916\u90e8\u8d1f\u8f7d\u7535\u8def\u3002\u5b83\u4eec\u786e\u4fdd\u8fde\u63a5\u7262\u56fa\uff0c\u5e76\u6709\u52a9\u4e8e\u6574\u7406\u4e0d\u540c\u7535\u6c14\u8d1f\u8f7d\uff08\u4f8b\u5982\u7167\u660e\u3001\u63d2\u5ea7\u548c\u8bbe\u5907\uff09\u7684\u7ebf\u8def\u3002.<\/p>\n<p>\u5185\u90e8\u7ebf\u8def\u8fde\u63a5\u914d\u7535\u7bb1\u5185\u7684\u6240\u6709\u7ec4\u4ef6\u3002\u4e3a\u786e\u4fdd\u5b89\u5168\u3001\u53ef\u9760\u548c\u6613\u4e8e\u7ef4\u62a4\uff0c\u7ebf\u8def\u5fc5\u987b\u9075\u5faa\u6b63\u786e\u7684\u989c\u8272\u7f16\u7801\u3001\u5e03\u7ebf\u548c\u7edd\u7f18\u8981\u6c42\u3002.<\/p>\n<p>\u9664\u4e86\u4e0a\u8ff0\u4e3b\u8981\u90e8\u4ef6\u5916\uff0c\u60a8\u7684\u5e94\u7528\u914d\u7535\u7bb1\u53ef\u80fd\u8fd8\u5305\u62ec\u6d6a\u6d8c\u4fdd\u62a4\u88c5\u7f6e (SPD)\u3001\u6307\u793a\u706f\u3001\u4eea\u8868\u6216\u76d1\u63a7\u88c5\u7f6e\u3001\u6807\u7b7e\u548c\u8bc6\u522b\u6807\u7b7e\u3002.<\/p>\n<p>\u914d\u7535\u7bb1\u5185\u7684\u6bcf\u4e2a\u7ec4\u4ef6\u90fd\u5bf9\u786e\u4fdd\u5b89\u5168\u914d\u7535\u3001\u6545\u969c\u4fdd\u62a4\u548c\u7cfb\u7edf\u53ef\u9760\u6027\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u5185\u90e8\u7ed3\u6784\u53ef\u4ee5\u964d\u4f4e\u914d\u7535\u7bb1\u7684\u6545\u969c\u98ce\u9669\uff0c\u63d0\u9ad8\u5176\u7ef4\u62a4\u6548\u7387\uff0c\u5e76\u7b26\u5408\u7535\u6c14\u5b89\u5168\u6807\u51c6\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Functional_Zoning_Inside_the_Distribution_Box\"><\/span>\u914d\u7535\u7bb1\u5185\u90e8\u529f\u80fd\u5206\u533a<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48729\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-3.jpg\" alt=\"\u914d\u7535\u7bb1\uff083\uff09\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-3.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-3-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-3-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-3-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u914d\u7535\u7bb1\u5185\u90e8\u7a7a\u95f4\u6839\u636e\u7535\u5668\u8bbe\u5907\u7684\u529f\u80fd\u5212\u5206\u4e3a\u4e0d\u540c\u7684\u533a\u57df\u3002\u8fd9\u4fdd\u8bc1\u4e86\u7535\u529b\u5b89\u5168\u6d41\u901a\uff0c\u63d0\u9ad8\u4e86\u53ef\u9760\u6027\uff0c\u7b80\u5316\u4e86\u7ef4\u62a4\uff0c\u4e5f\u6709\u52a9\u4e8e\u914d\u7535\u7cfb\u7edf\u7b26\u5408\u7535\u6c14\u6807\u51c6\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Power_Input\"><\/span>\u7535\u6e90\u8f93\u5165<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8f93\u5165\u533a\u4e3b\u8981\u8d1f\u8d23\u63a5\u6536\u3001\u9694\u79bb\u548c\u76d1\u6d4b\u6765\u81ea\u7535\u7f51\u6216\u4e0a\u7ea7\u914d\u7535\u7cfb\u7edf\u7684\u7535\u80fd\u3002\u8be5\u533a\u57df\u80fd\u591f\u5b89\u5168\u5730\u8fde\u63a5\u548c\u9694\u79bb\u6574\u4e2a\u914d\u7535\u7cfb\u7edf\uff0c\u5e76\u4f5c\u4e3a\u5185\u90e8\u7535\u529b\u6d41\u52a8\u7684\u8d77\u70b9\u3002.<\/p>\n<p>\u8be5\u533a\u57df\u7684\u4e3b\u8981\u7ec4\u4ef6\u5305\u62ec\u8fdb\u7ebf\u7aef\u5b50\u3001\u4e3b\u5f00\u5173\u6216\u4e3b\u65ad\u8def\u5668\u4ee5\u53ca\u6d6a\u6d8c\u4fdd\u62a4\u88c5\u7f6e\u3002\u5b83\u4eec\u7528\u4e8e\u5904\u7406\u7cfb\u7edf\u4e2d\u7684\u6700\u9ad8\u7535\u6d41\u3002\u6700\u91cd\u8981\u7684\u662f\uff0c\u8fd9\u4e9b\u7ec4\u4ef6\u9700\u8981\u826f\u597d\u7684\u7edd\u7f18\u548c\u7262\u56fa\u7684\u8fde\u63a5\u3002\u8be5\u533a\u57df\u901a\u5e38\u4f4d\u4e8e\u914d\u7535\u7bb1\u9876\u90e8\u6216\u7535\u7f06\u5165\u53e3\u9644\u8fd1\uff0c\u62e5\u6709\u76f8\u5bf9\u72ec\u7acb\u7684\u7a7a\u95f4\uff0c\u4fbf\u4e8e\u64cd\u4f5c\u548c\u89c2\u5bdf\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Protection_and_Control\"><\/span>\u4fdd\u62a4\u4e0e\u63a7\u5236<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u914d\u7535\u7bb1\u5185\u7684\u4fdd\u62a4\u548c\u63a7\u5236\u533a\u57df\u4e3b\u8981\u8d1f\u8d23\u5bf9\u6240\u6709\u51fa\u7ebf\u7535\u8def\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\u3001\u6545\u969c\u68c0\u6d4b\u548c\u7ebf\u8def\u4fdd\u62a4\u3002.<\/p>\n<p>\u8be5\u533a\u57df\u53ef\u4ee5\u76d1\u6d4b\u5404\u5206\u652f\u7535\u8def\u7684\u8fd0\u884c\u72b6\u6001\u3002\u4e00\u65e6\u53d1\u751f\u8fc7\u8f7d\u3001\u77ed\u8def\u3001\u6f0f\u7535\u6216\u5176\u4ed6\u5f02\u5e38\u60c5\u51b5\uff0c\u5b83\u53ef\u4ee5\u5feb\u901f\u3001\u6709\u9009\u62e9\u5730\u5207\u65ad\u6545\u969c\u7535\u8def\uff0c\u4ee5\u4fdd\u969c\u7ebf\u8def\u548c\u8bbe\u5907\u7684\u5b89\u5168\uff0c\u5e76\u5c06\u505c\u7535\u8303\u56f4\u964d\u81f3\u6700\u4f4e\u3002.<\/p>\n<p>\u8be5\u533a\u57df\u7684\u4e3b\u8981\u7ec4\u4ef6\u5305\u62ec\u65ad\u8def\u5668\u3001\u5269\u4f59\u7535\u6d41\u4fdd\u62a4\u5668\u3001\u5b9a\u65f6\u5668\u3001\u6307\u793a\u5668\u548c\u5176\u4ed6\u8f85\u52a9\u63a7\u5236\u88c5\u7f6e\u3002\u4fdd\u62a4\u88c5\u7f6e\u901a\u5e38\u4ee5\u6a21\u5757\u5316\u65b9\u5f0f\u5b89\u88c5\u5728DIN\u5bfc\u8f68\u4e0a\uff0c\u4fbf\u4e8e\u8bc6\u522b\u548c\u64cd\u4f5c\u3002\u6bcf\u4e2a\u4fdd\u62a4\u88c5\u7f6e\u5bf9\u5e94\u4e00\u6761\u7ebf\u8def\u56de\u8def\uff0c\u5e76\u914d\u6709\u6e05\u6670\u7684\u6807\u7b7e\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Power_DistributionOutput\"><\/span>\u7535\u6e90\u5206\u914d\/\u8f93\u51fa<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u914d\u7535\u7bb1\u5185\u90e8\u7684\u914d\u7535\u533a\u4e3b\u8981\u8d1f\u8d23\u9ad8\u6548\u53ef\u9760\u5730\u5c06\u7535\u80fd\u5206\u914d\u7ed9\u5404\u79cd\u4fdd\u62a4\u548c\u63a7\u5236\u88c5\u7f6e\uff0c\u6700\u7ec8\u8f93\u9001\u81f3\u8d1f\u8f7d\u3002\u7535\u529b\u7684\u6536\u96c6\u548c\u5206\u914d\u4e3b\u8981\u901a\u8fc7\u5efa\u7acb\u4f4e\u963b\u6297\u3001\u9ad8\u53ef\u9760\u6027\u7684\u5185\u90e8\u5bfc\u7535\u901a\u8def\u6765\u5b9e\u73b0\u3002.<\/p>\n<p>\u4e3b\u8981\u90e8\u4ef6\u5305\u62ec\u6bcd\u7ebf\u3001\u4e2d\u6027\u6bcd\u7ebf\u548c\u63a5\u5730\u6bcd\u7ebf\u3002\u5b83\u4eec\u4e3b\u8981\u7528\u4e8e\u9ad8\u6548\u5206\u914d\u7535\u6d41\u3002\u8fd9\u79cd\u8bbe\u8ba1\u8fd8\u53ef\u4ee5\u7b80\u5316\u5e03\u7ebf\uff0c\u4f46\u9700\u8981\u786e\u4fdd\u5404\u90e8\u4ef6\u4e4b\u95f4\u7559\u6709\u8db3\u591f\u7684\u95f4\u8ddd\u5e76\u4fdd\u6301\u826f\u597d\u7684\u7edd\u7f18\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Safety_and_Maintenance_Consideration\"><\/span>\u5b89\u5168\u548c\u7ef4\u62a4\u6ce8\u610f\u4e8b\u9879<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u63a5\u5730\u548c\u5b89\u5168\u533a\u53ef\u63d0\u4f9b\u63a5\u5730\u548c\u6545\u969c\u7535\u6d41\u901a\u8def\uff0c\u4ece\u800c\u4fdd\u969c\u7535\u6c14\u5b89\u5168\u3002\u5b83\u80fd\u5b89\u5168\u5730\u91ca\u653e\u6545\u969c\u7535\u6d41\uff0c\u4f7f\u4fdd\u62a4\u88c5\u7f6e\u6b63\u5e38\u5de5\u4f5c\uff0c\u4fdd\u62a4\u4eba\u5458\u548c\u8bbe\u5907\u3002\u5176\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\u5305\u62ec\u63a5\u5730\u6bcd\u7ebf\u3001\u4fdd\u62a4\u63a5\u5730\u5bfc\u4f53\u548c\u7b49\u7535\u4f4d\u8fde\u63a5\u3002.<\/p>\n<p>\u6563\u70ed\u548c\u95f4\u9699\u533a\u57df\u7528\u4e8e\u7ba1\u7406\u914d\u7535\u7bb1\u5185\u7684\u70ed\u91cf\uff0c\u5e76\u4fdd\u6301\u5b89\u5168\u7684\u7535\u6c14\u95f4\u9699\u3002\u8be5\u533a\u57df\u7684\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\u5305\u62ec\u901a\u98ce\u53e3\u548c\u8010\u70ed\u6750\u6599\u3002\u5b83\u4eec\u53ef\u4ee5\u9632\u6b62\u8fc7\u70ed\uff0c\u4ece\u800c\u4fdd\u969c\u914d\u7535\u7bb1\u548c\u8d1f\u8f7d\u8bbe\u5907\u7684\u7a33\u5b9a\u957f\u671f\u8fd0\u884c\u3002\u4ece\u957f\u8fdc\u6765\u770b\uff0c\u826f\u597d\u7684\u6563\u70ed\u7ba1\u7406\u8fd8\u53ef\u4ee5\u5ef6\u957f\u90e8\u4ef6\u7684\u4f7f\u7528\u5bff\u547d\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_Internal_Structure_Configuration\"><\/span>\u901a\u7528\u5185\u90e8\u7ed3\u6784\u914d\u7f6e<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48728\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-2.jpg\" alt=\"\u914d\u7535\u7bb1\uff082\uff09\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-2.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-2-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-2-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-2-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784\u914d\u7f6e\u56e0\u7535\u6e90\u7c7b\u578b\u3001\u5e94\u7528\u73af\u5883\u3001\u8d1f\u8f7d\u80fd\u529b\u548c\u5b89\u5168\u8981\u6c42\u800c\u5f02\u3002\u4e86\u89e3\u8fd9\u4e9b\u914d\u7f6e\u6709\u52a9\u4e8e\u60a8\u4e3a\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u3001\u5b89\u88c5\u548c\u7ef4\u62a4\u5408\u9002\u7684\u914d\u7535\u7bb1\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Single-phase_Distribution_Box\"><\/span>\u5355\u76f8\u914d\u7535\u7bb1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5355\u76f8\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784\u5305\u62ec\u4e00\u6839\u76f8\u7ebf (L)\u3001\u4e00\u6839\u96f6\u7ebf (N)\u3001\u4e00\u6839\u5730\u7ebf (PE) \u548c\u4e00\u4e2a\u5355\u76f8\u6bcd\u7ebf\u7cfb\u7edf\u3002\u5b83\u8fd8\u5305\u542b\u4e3b\u5f00\u5173\u548c\u591a\u4e2a\u7528\u4e8e\u5206\u652f\u7535\u8def\u7684\u5fae\u578b\u65ad\u8def\u5668 (MCB)\uff0c\u4ee5\u53ca\u7528\u4e8e\u6f0f\u7535\u4fdd\u62a4\u7684\u5269\u4f59\u7535\u6d41\u52a8\u4f5c\u4fdd\u62a4\u5668 (RCD) \u6216\u5269\u4f59\u7535\u6d41\u52a8\u4f5c\u65ad\u8def\u5668 (RCBO)\u3002\u5355\u76f8\u914d\u7535\u7bb1\u7684\u5185\u90e8\u5e03\u5c40\u7d27\u51d1\uff0c\u4fdd\u62a4\u88c5\u7f6e\u8f83\u5c11\uff0c\u5e03\u7ebf\u8def\u5f84\u4e5f\u8f83\u4e3a\u7b80\u5355\u3002.<\/p>\n<p>\u7136\u800c\uff0c\u5355\u76f8\u914d\u7535\u7bb1\u7684\u5b89\u88c5\u548c\u7ef4\u62a4\u66f4\u4e3a\u7b80\u4fbf\uff0c\u5728\u4f4e\u8d1f\u8377\u5e94\u7528\u4e2d\u5177\u6709\u660e\u663e\u7684\u6210\u672c\u6548\u76ca\u3002\u5355\u76f8\u914d\u7535\u7bb1\u9002\u7528\u4e8e\u4f4f\u5b85\u697c\u5b87\u3001\u5c0f\u578b\u529e\u516c\u5ba4\u3001\u5546\u5e97\u548c\u8f7b\u578b\u5546\u4e1a\u7cfb\u7edf\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Three-phase_Distribution_Box\"><\/span>\u4e09\u76f8\u914d\u7535\u7bb1<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47419\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/12\/Three-Phase-Distribution-Board-Application-Field.jpg\" alt=\"\u4e09\u76f8\u914d\u7535\u76d8\u5e94\u7528\u9886\u57df\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/12\/Three-Phase-Distribution-Board-Application-Field.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/12\/Three-Phase-Distribution-Board-Application-Field-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/12\/Three-Phase-Distribution-Board-Application-Field-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/12\/Three-Phase-Distribution-Board-Application-Field-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5185\u90e8\u914d\u7f6e<a href=\"https:\/\/www.kdmsteel.com\/zh\/\u4e09\u76f8\u914d\u7535\u677f\/\">\u00a0\u4e09\u76f8\u914d\u7535\u7bb1<\/a>\u00a0\u5305\u62ec\u4e09\u6839\u5bfc\u7ebf\uff08L1\u3001L2\u3001L3\uff09\u3001\u4e2d\u6027\u7ebf\u548c\u5730\u7ebf\uff0c\u4ee5\u53ca\u4e09\u76f8\u6bcd\u7ebf\u7cfb\u7edf\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u5851\u58f3\u65ad\u8def\u5668\uff08MCCB\uff09\u6216\u5927\u5bb9\u91cf\u5fae\u578b\u65ad\u8def\u5668\uff08MCB\uff09\u4f5c\u4e3a\u4e3b\u5f00\u5173\u3002.<\/p>\n<p>\u4e09\u76f8\u914d\u7535\u7bb1\u7684\u7bb1\u4f53\u5c3a\u5bf8\u66f4\u5927\uff0c\u5e03\u7ebf\u548c\u6bcd\u7ebf\u5e03\u7f6e\u4e5f\u66f4\u590d\u6742\u3002\u4e09\u76f8\u914d\u7535\u7bb1\u7684\u989d\u5b9a\u7535\u6d41\u5143\u4ef6\u7684\u989d\u5b9a\u7535\u6d41\u4e5f\u66f4\u9ad8\u3002.<\/p>\n<p>\u7136\u800c\uff0c\u4e09\u76f8\u914d\u7535\u7bb1\u80fd\u591f\u627f\u53d7\u91cd\u8f7d\uff0c\u5e76\u63d0\u9ad8\u6548\u7387\u548c\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002\u56e0\u6b64\uff0c\u60a8\u53ef\u4ee5\u5c06\u5176\u7528\u4e8e\u5de5\u4e1a\u8bbe\u65bd\u3001\u5546\u4e1a\u5efa\u7b51\u548c\u9ad8\u8d1f\u8377\u7cfb\u7edf\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Residential_Distribution_Box\"><\/span>\u4f4f\u5b85\u914d\u7535\u7bb1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4f4f\u5b85\u914d\u7535\u7bb1\u5185\u90e8\u901a\u5e38\u8bbe\u6709\u5355\u76f8\u6216\u5c0f\u578b\u4e09\u76f8\u8f93\u5165\u7aef\u53e3\uff0c\u7528\u4e8e\u8fde\u63a5\u5404\u56de\u8def\u7684\u5269\u4f59\u7535\u6d41\u52a8\u4f5c\u65ad\u8def\u5668\uff08RCBO\uff09\uff0c\u5e76\u914d\u6709\u6e05\u6670\u7684\u7535\u8def\u6807\u7b7e\u3002\u4f4f\u5b85\u914d\u7535\u7bb1\u7684\u8bbe\u8ba1\u66f4\u6ce8\u91cd\u5b89\u5168\u6027\u548c\u4f7f\u7528\u4fbf\u5229\u6027\uff0c\u529b\u6c42\u6700\u5927\u7a0b\u5ea6\u5730\u51cf\u5c11\u68c0\u4fee\u548c\u7ef4\u62a4\u5de5\u4f5c\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u5fc5\u987b\u7b26\u5408\u4f4f\u5b85\u7535\u6c14\u6807\u51c6\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Industrial_Distribution_Box\"><\/span>\u5de5\u4e1a\u914d\u7535\u7bb1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5927\u591a\u6570\u5de5\u4e1a\u914d\u7535\u7bb1\u5e94\u7528\u4e8e\u5de5\u5382\u3001\u8f66\u95f4\u4ee5\u53ca\u91cd\u578b\u673a\u68b0\u4f5c\u4e1a\u73af\u5883\u3002\u56e0\u6b64\uff0c\u5de5\u4e1a\u914d\u7535\u7bb1\u5185\u90e8\u914d\u5907\u4e86\u5927\u91cf\u7684\u5851\u58f3\u65ad\u8def\u5668\uff08MCCB\uff09\u3001\u7c97\u94dc\u6bcd\u7ebf\u3001\u5148\u8fdb\u7684\u63a5\u5730\u7cfb\u7edf\u548c\u96c6\u6210\u63a7\u5236\u8bbe\u5907\u3002\u8fd9\u4e9b\u88c5\u7f6e\u5171\u540c\u4f53\u73b0\u4e86\u5de5\u4e1a\u914d\u7535\u7bb1\u7684\u9ad8\u5bb9\u9519\u6027\u548c\u673a\u68b0\u5f3a\u5ea6\u7279\u6027\uff0c\u4f7f\u5176\u66f4\u9002\u5408\u957f\u671f\u8fde\u7eed\u8fd0\u884c\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Modular_Distribution_Box\"><\/span>\u6a21\u5757\u5316\u914d\u7535\u7bb1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8fd9\u6b3e\u6a21\u5757\u5316\u914d\u7535\u7bb1\u91c7\u7528\u6a21\u5757\u5316\u8bbe\u8ba1\uff0c\u914d\u5907\u6a21\u5757\u5316DIN\u5bfc\u8f68\u5b89\u88c5\u7ec4\u4ef6\u4ee5\u53ca\u53ef\u8c03\u8282\u7684\u6bcd\u7ebf\u548c\u5e03\u7ebf\u5e03\u5c40\u3002\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u5728\u6a21\u5757\u5316\u914d\u7535\u7bb1\u4e2d\u6dfb\u52a0\u548c\u66f4\u6362\u7535\u8def\u3002\u8be5\u6a21\u5757\u5316\u914d\u7535\u7bb1\u652f\u6301\u5b9a\u5236\u5316\uff0c\u5177\u6709\u9ad8\u5ea6\u7075\u6d3b\u6027\uff0c\u5e76\u53ef\u51cf\u5c11\u5347\u7ea7\u8fc7\u7a0b\u4e2d\u7684\u505c\u673a\u65f6\u95f4\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Outdoor_Distribution_Box\"><\/span>\u6237\u5916\u914d\u7535\u7bb1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e3a\u4e86\u9002\u5e94\u6237\u5916\u6076\u52a3\u73af\u5883\uff0c\u5ba4\u5916\u914d\u7535\u7bb1\u901a\u5e38\u914d\u5907\u9632\u96e8\u5916\u58f3\u3002\u6b64\u5916\uff0c\u5ba4\u5916\u5149\u7ea4\u914d\u7535\u7bb1\u7684\u7edd\u7f18\u548c\u5bc6\u5c01\u6027\u80fd\u9700\u8981\u52a0\u5f3a\uff0c\u5e76\u91c7\u7528\u8010\u8150\u8680\u90e8\u4ef6\u3002\u4e3a\u786e\u4fdd\u5b89\u5168\uff0c\u5ba4\u5916\u914d\u7535\u7bb1\u8fd8\u9700\u8981\u989d\u5916\u7684\u63a5\u5730\u4fdd\u62a4\u3002\u7531\u6b64\u53ef\u89c1\uff0c\u5ba4\u5916\u914d\u7535\u7bb1\u66f4\u52a0\u6ce8\u91cd\u73af\u5883\u4fdd\u62a4\u3001\u957f\u671f\u8010\u7528\u6027\u548c\u6781\u7aef\u6761\u4ef6\u4e0b\u7684\u5b89\u5168\u6027\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Factors_to_consider_When_you_choosing_distribution_box\"><\/span>\u9009\u62e9\u914d\u7535\u7bb1\u65f6\u9700\u8981\u8003\u8651\u7684\u56e0\u7d20<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Consider_Phase_Type_and_Installation_Environment\"><\/span>\u8003\u8651\u76f8\u578b\u548c\u5b89\u88c5\u73af\u5883<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6839\u636e\u5b89\u88c5\u73af\u5883\u9009\u62e9\u5408\u9002\u7684\u914d\u7535\u7bb1\u7c7b\u578b\u3002\u5355\u76f8\u914d\u7535\u7bb1\uff08220V\uff09\u9002\u7528\u4e8e\u5927\u591a\u6570\u4f4f\u5b85\u548c\u5c0f\u5546\u94fa\u3002\u4e09\u76f8\u914d\u7535\u7bb1\u66f4\u9002\u5408\u8d1f\u8f7d\u8f83\u5927\u7684\u5de5\u5382\u548c\u5546\u4e1a\u573a\u6240\u3002\u8fd9\u4e9b\u662f\u60a8\u9996\u5148\u9700\u8981\u786e\u8ba4\u7684\u53c2\u6570\u3002.<\/p>\n<p>\u5176\u6b21\uff0c\u5982\u679c\u7528\u4f5c\u4f4f\u5b85\u914d\u7535\u7bb1\uff0c\u5219\u9700\u8981\u66f4\u6ce8\u91cd\u4eba\u8eab\u5b89\u5168\u3001\u7f8e\u89c2\u548c\u64cd\u4f5c\u4fbf\u6377\u6027\u3002\u5bf9\u4e8e\u5546\u4e1a\u914d\u7535\u7bb1\uff0c\u5219\u9700\u8981\u5173\u6ce8\u5176\u7cfb\u7edf\u53ef\u9760\u6027\u3001\u8fde\u7eed\u8fd0\u884c\u80fd\u529b\u548c\u53ef\u6269\u5c55\u6027\u7b49\u3002\u5bf9\u4e8e\u6237\u5916\u73af\u5883\uff0c\u5219\u9700\u8981\u8003\u8651\u9632\u62a4\u7b49\u7ea7\u548c\u6750\u6599\u7684\u9632\u8150\u8680\u6027\u80fd\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Size_Durability_and_Compliance\"><\/span>\u5c3a\u5bf8\u3001\u8010\u7528\u6027\u548c\u5408\u89c4\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u60a8\u9700\u8981\u6839\u636e\u73b0\u6709\u7535\u8def\u6570\u91cf\u786e\u5b9a\u914d\u7535\u7bb1\u7684\u5bb9\u91cf\u548c\u7535\u8def\u6570\u91cf\uff0c\u5e76\u9884\u7559\u672a\u6765\u6269\u5c55\u7a7a\u95f4\u3002\u6b64\u5916\uff0c\u914d\u7535\u7bb1\u7684\u6750\u8d28\u4e5f\u5e94\u6839\u636e\u4f7f\u7528\u73af\u5883\u9009\u62e9\u3002\u662f\u9009\u62e9\u5851\u6599\u914d\u7535\u7bb1\u8fd8\u662f\u91d1\u5c5e\u914d\u7535\u7bb1\u5462\uff1f<\/p>\n<p>\u540c\u6837\u5730\uff0c <a href=\"https:\/\/www.kdmsteel.com\/zh\/ip-\u5916\u58f3\/\">IP \u7b49\u7ea7<\/a>\u00a0\u914d\u7535\u7bb1\u7684\u9632\u62a4\u7b49\u7ea7\u53d6\u51b3\u4e8e\u5b89\u88c5\u73af\u5883\u3002\u5ba4\u5916\u73af\u5883\u901a\u5e38\u9700\u8981IP65\u6216\u66f4\u9ad8\u7684\u9632\u62a4\u7b49\u7ea7\u3002\u60a8\u7684\u5b89\u88c5\u65b9\u5f0f\uff08\u660e\u88c5\u6216\u6697\u88c5\uff09\u9700\u8981\u4e8b\u5148\u786e\u5b9a\u3002\u60a8\u8fd8\u9700\u8981\u786e\u8ba4\u914d\u7535\u7bb1\u662f\u5426\u7b26\u5408\u5f53\u5730\u6216\u56fd\u9645\u6807\u51c6\u548c\u6cd5\u89c4\uff0c\u4f8b\u5982IEC\u3001CE\u7b49\u3002 <a href=\"https:\/\/www.kdmsteel.com\/zh\/ul-\u8ba4\u8bc1\/\">UL<\/a>.<\/p>\n<p>\u9664\u4e86\u4e0a\u8ff0\u56e0\u7d20\u5916\uff0c\u60a8\u8fd8\u9700\u8981\u8003\u8651\u914d\u7535\u7bb1\u662f\u5426\u5177\u6709\u72ec\u7acb\u53ef\u9760\u7684\u4fdd\u62a4\u63a5\u5730\u7aef\u5b50\u3002\u5982\u679c\u60a8\u6ce8\u91cd\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\uff0c\u53ef\u4ee5\u9009\u62e9\u6a21\u5757\u5316\u914d\u7535\u7bb1\u5e76\u9884\u7559\u8db3\u591f\u7684\u7a7a\u95f4\u3002\u5982\u6709\u5fc5\u8981\uff0c\u60a8\u8fd8\u53ef\u4ee5\u9009\u62e9\u667a\u80fd\u914d\u7535\u7bb1\uff0c\u5b83\u53ef\u4ee5\u4e3a\u60a8\u63d0\u4f9b\u66f4\u9ad8\u6548\u7684\u7ba1\u7406\u3002.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48731\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-5.jpg\" alt=\"\u914d\u7535\u7bb1\uff085\uff09\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-5.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-5-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-5-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Distribution-Box-5-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>\u5e38\u95ee\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"How_is_Internal_Wiring_Organized_Inside_a_Distribution_Box\"><\/span>\u914d\u7535\u7bb1\u5185\u90e8\u7684\u7ebf\u8def\u662f\u5982\u4f55\u5e03\u7f6e\u7684\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5185\u90e8\u5e03\u7ebf\u91c7\u7528\u7ed3\u6784\u5316\u5e03\u7ebf\u3001\u7535\u7f06\u624e\u5e26\u3001\u7ebf\u69fd\uff0c\u5e76\u660e\u786e\u5206\u79bb\u76f8\u7ebf\u3001\u96f6\u7ebf\u548c\u5730\u7ebf\uff0c\u4ee5\u9632\u6b62\u5e72\u6270\u5e76\u63d0\u9ad8\u5b89\u5168\u6027\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_Safety_Features_are_Included_in_the_Internal_Structure_of_a_Distribution_Box\"><\/span>\u914d\u7535\u7bb1\u5185\u90e8\u7ed3\u6784\u5305\u542b\u54ea\u4e9b\u5b89\u5168\u529f\u80fd\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5b89\u5168\u7279\u6027\u5305\u62ec\u7edd\u7f18\u5c4f\u969c\u3001\u9002\u5f53\u7684\u95f4\u9699\u8ddd\u79bb\u3001\u63a5\u5730\u7cfb\u7edf\u3001\u4fdd\u62a4\u88c5\u7f6e\u3001\u963b\u71c3\u6750\u6599\u4ee5\u53ca\u5185\u90e8\u7ec4\u4ef6\u7684\u7262\u56fa\u56fa\u5b9a\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Will_the_Internal_Spacing_and_Gaps_Affect_the_Safety_of_the_Distribution_Box\"><\/span>\u5185\u90e8\u95f4\u8ddd\u548c\u7f1d\u9699\u4f1a\u5f71\u54cd\u914d\u7535\u7bb1\u7684\u5b89\u5168\u6027\u5417\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u662f\u7684\u3002\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u5185\u90e8\u7ed3\u6784\u80fd\u591f\u4fdd\u8bc1\u7a33\u5b9a\u7684\u7535\u529b\u5206\u914d\uff0c\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u6545\u969c\uff0c\u6539\u5584\u6563\u70ed\uff0c\u5e76\u5ef6\u957f\u7cfb\u7edf\u7684\u4f7f\u7528\u5bff\u547d\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Thought\"><\/span>\u6700\u540e\u60f3\u8bf4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>KDM\u662f\u4e00\u5bb6\u4e13\u4e1a\u7684\u5b9a\u5236\u7535\u6c14\u5916\u58f3\u5236\u9020\u5546\u3002\u6211\u4eec\u62e5\u6709\u591a\u5e74\u7684\u5b9a\u5236\u751f\u4ea7\u7ecf\u9a8c\u548c\u4e13\u4e1a\u7684\u8bbe\u8ba1\u56e2\u961f\uff0c\u80fd\u591f\u4e3a\u60a8\u63d0\u4f9b\u6ee1\u8db3\u60a8\u5404\u79cd\u4f7f\u7528\u9700\u6c42\u7684\u5b9a\u5236\u5316\u751f\u4ea7\u89e3\u51b3\u65b9\u6848\u3002\u6240\u6709\u7535\u6c14\u5916\u58f3\u5747\u91c7\u7528\u4f18\u8d28\u6750\u6599\u548c\u5148\u8fdb\u7684\u751f\u4ea7\u5de5\u827a\u5236\u9020\uff0c\u4ee5\u786e\u4fdd\u4ea7\u54c1\u8d28\u91cf\u3002. <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u63a5\u89e6\/\">\u8054\u7cfb\u6211\u4eec<\/a>\u00a0\u73b0\u5728\u5c31\u6765\u83b7\u53d6\u60a8\u7684\u4e13\u5c5e\u89e3\u51b3\u65b9\u6848\u5427\uff01.<\/p>","protected":false},"excerpt":{"rendered":"<p>The internal structure of the distribution box is designed to safely distribute power from the main power source to multiple branch circuits. It provides convenience for protection, control and maintenance. This article discusses the construction of the distribution box, its functional divisions, and selection tips. This article can help you better understand the internal structure [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":48730,"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":"","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-48726","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 v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Internal Structure of Distribution Box - 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\/zh\/\u914d\u7535\u7bb1\u7684\u5185\u90e8\u7ed3\u6784-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Internal Structure of Distribution Box - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"The internal structure of the distribution box is designed to safely distribute power from the main power source to multiple branch circuits. It provides convenience for protection, control and maintenance. This article discusses the construction of the distribution box, its functional divisions, and selection tips. 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