{"id":50839,"date":"2026-05-26T11:26:45","date_gmt":"2026-05-26T11:26:45","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=50839"},"modified":"2026-08-14T09:39:10","modified_gmt":"2026-08-14T09:39:10","slug":"%e6%a8%99%e6%ba%96%e5%9b%9e%e8%b7%af%e3%83%96%e3%83%ac%e3%83%bc%e3%82%ab%e3%83%bc%e3%81%ae%e3%82%b5%e3%82%a4%e3%82%ba","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/ja\/standard-circuit-breaker-sizes\/","title":{"rendered":"\u6a19\u6e96\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30b5\u30a4\u30ba\u306b\u95a2\u3059\u308b\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u6a19\u6e96\u7684\u306a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba\u306f\u3001\u96fb\u6c17\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3084\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u9069\u5408\u6027\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002\u96fb\u6d41\u5b9a\u683c\u3001\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u3001\u5730\u57df\u3054\u3068\u306e\u898f\u683c\u304c\u7570\u306a\u308b\u4e2d\u3067\u3001\u3069\u306e\u30b5\u30a4\u30ba\u304c\u9069\u5207\u306a\u306e\u304b\u3092\u3069\u306e\u3088\u3046\u306b\u5224\u65ad\u3059\u308c\u3070\u3088\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4e3b\u8981\u306a\u4ed5\u69d8\u3068\u5bf8\u6cd5\u4e0a\u306e\u9055\u3044\u3092\u7406\u89e3\u3057\u3001\u9078\u5b9a\u3068\u8a2d\u8a08\u30d7\u30ed\u30bb\u30b9\u3092\u5bb9\u6613\u306b\u3059\u308b\u304a\u624b\u4f1d\u3044\u3092\u3057\u307e\u3059\u3002.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 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\/standard-circuit-breaker-sizes\/#What_Are_Standard_Circuit_Breaker_Sizes\" >\u6a19\u6e96\u7684\u306a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba\u306f\uff1f<\/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\/standard-circuit-breaker-sizes\/#Standard_Circuit_Breaker_Sizes_by_Type\" >\u6a19\u6e96\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30b5\u30a4\u30ba\uff08\u7a2e\u985e\u5225\uff09<\/a><ul 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\/ja\/standard-circuit-breaker-sizes\/#MCB_Sizes\" >MCB\u306e\u30b5\u30a4\u30ba<\/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\/standard-circuit-breaker-sizes\/#MCCB_Frame_Sizes\" >MCCB\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba<\/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\/standard-circuit-breaker-sizes\/#ACB_Industrial_Breaker_Sizes\" >ACB\u5de5\u696d\u7528\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba<\/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\/standard-circuit-breaker-sizes\/#Circuit_Breaker_Sizes_by_Amperage_and_Frame_Rating\" >\u96fb\u6d41\u5bb9\u91cf\u3068\u30d5\u30ec\u30fc\u30e0\u5b9a\u683c\u306b\u3088\u308b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/ja\/standard-circuit-breaker-sizes\/#Standard_Breaker_Sizes_by_Voltage_and_Region\" >\u96fb\u5727\u3068\u5730\u57df\u5225\u306e\u6a19\u6e96\u30d6\u30ec\u30fc\u30ab\u30fc\u30b5\u30a4\u30ba<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/ja\/standard-circuit-breaker-sizes\/#Breaker_Sizes_for_Common_Industrial_Voltage_Systems\" >\u4e00\u822c\u7684\u306a\u7523\u696d\u7528\u96fb\u5727\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u906e\u65ad\u5668\u306e\u30b5\u30a4\u30ba<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/ja\/standard-circuit-breaker-sizes\/#Size_Specifications_of_Different_Regional_Standards\" >\u5730\u57df\u3054\u3068\u306e\u30b5\u30a4\u30ba\u898f\u683c<\/a><\/li><\/ul><\/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\/standard-circuit-breaker-sizes\/#Circuit_Breaker_Dimensions_and_Installation_Space_Requirements\" >\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5bf8\u6cd5\u3068\u8a2d\u7f6e\u30b9\u30da\u30fc\u30b9\u8981\u4ef6<\/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\/standard-circuit-breaker-sizes\/#FAQ\" >\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-12\" href=\"https:\/\/www.kdmsteel.com\/ja\/standard-circuit-breaker-sizes\/#Are_Circuit_Breakers_Compliant_with_IEC_and_UL_Standards_Exchangeable_in_Terms_of_Size_and_Specifications\" >\u56de\u8def\u906e\u65ad\u5668\u306fIEC\u304a\u3088\u3073UL\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u3001\u30b5\u30a4\u30ba\u3084\u4ed5\u69d8\u306b\u95a2\u3057\u3066\u4e92\u63db\u6027\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-13\" href=\"https:\/\/www.kdmsteel.com\/ja\/standard-circuit-breaker-sizes\/#Can_the_Cabinet_Design_Be_Used_with_Circuit_Breakers_of_Different_AF_Frame_Sizes\" >\u3053\u306e\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u8a2d\u8a08\u306f\u3001\u7570\u306a\u308bAF\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u306e\u56de\u8def\u906e\u65ad\u5668\u306b\u3082\u4f7f\u7528\u3067\u304d\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-14\" href=\"https:\/\/www.kdmsteel.com\/ja\/standard-circuit-breaker-sizes\/#Is_the_Impact_of_a_Circuit_Breakers_Frame_Size_on_the_Cabinet_Width_Fixed\" >\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u304c\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u5e45\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u306f\u56fa\u5b9a\u3055\u308c\u3066\u3044\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-15\" href=\"https:\/\/www.kdmsteel.com\/ja\/standard-circuit-breaker-sizes\/#What_Procedure_Should_Be_Followed_to_Identify_the_Proper_Circuit_Breaker_Frame_Size_for_a_Project\" >\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u9069\u3057\u305f\u56de\u8def\u906e\u65ad\u5668\u306e\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u3092\u7279\u5b9a\u3059\u308b\u306b\u306f\u3001\u3069\u306e\u3088\u3046\u306a\u624b\u9806\u3092\u8e0f\u3080\u3079\u304d\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-16\" href=\"https:\/\/www.kdmsteel.com\/ja\/standard-circuit-breaker-sizes\/#What_Are_the_Main_Variations_in_General_Layout_Design_for_MCBS_MCCBS_and_ACBS\" >MCBS\u3001MCCBS\u3001ACBS\u306e\u4e00\u822c\u7684\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u8a2d\u8a08\u306b\u304a\u3051\u308b\u4e3b\u306a\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/ja\/standard-circuit-breaker-sizes\/#Final_Thought\" >\u6700\u5f8c\u306b<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_Standard_Circuit_Breaker_Sizes\"><\/span>\u6a19\u6e96\u7684\u306a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba\u306f\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50844\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/What-Are-Standard-Circuit-Breaker-Sizes.jpg\" alt=\"\u6a19\u6e96\u7684\u306a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba\u3068\u306f\uff1f\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/What-Are-Standard-Circuit-Breaker-Sizes.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/What-Are-Standard-Circuit-Breaker-Sizes-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/What-Are-Standard-Circuit-Breaker-Sizes-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/What-Are-Standard-Circuit-Breaker-Sizes-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u6a19\u6e96\u7684\u306a\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba\u306f\u3001\u898b\u305f\u76ee\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3055\u307e\u3056\u307e\u306a\u4e92\u63db\u6027\u30d1\u30e9\u30e1\u30fc\u30bf\u3082\u95a2\u4fc2\u3057\u3066\u304d\u307e\u3059\u3002\u30e2\u30c7\u30eb\u3092\u9078\u629e\u3059\u308b\u969b\u306f\u3001\u30a2\u30f3\u30da\u30a2\u5b9a\u683c\u3060\u3051\u3092\u898b\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u3001\u6975\u6570\u3001\u53d6\u308a\u4ed8\u3051\u5bf8\u6cd5\u306a\u3069\u3001\u96fb\u6c17\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u7d20\u3082\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u4ee5\u4e0b\u306f\u4e3b\u8981\u306a\u53c2\u7167\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002<\/p>\n<table width=\"601\">\n<tbody>\n<tr>\n<td width=\"167\"><strong>\u30d1\u30e9\u30e1\u30fc\u30bf<\/strong><\/td>\n<td width=\"434\"><strong>\u5185\u95a3\u306e\u69cb\u9020\u7684\u5f79\u5272<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"167\"><strong>\u30a2\u30f3\u30da\u30a2\u5b9a\u683c<\/strong><\/td>\n<td width=\"434\"><a href=\"https:\/\/wiring-harness.com\/a-practical-guide-to-choosing-the-right-wire-gauge-standards-and-mistakes-to-avoid\/\">\u30ef\u30a4\u30e4\u30fc\u30b2\u30fc\u30b8<\/a>, \u7aef\u5b50\u53f0\u3001\u304a\u3088\u3073\u63db\u6c17\u30b9\u30da\u30fc\u30b9\u3002.<\/td>\n<\/tr>\n<tr>\n<td width=\"167\"><strong>\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba<\/strong><\/td>\n<td width=\"434\">\u30b7\u30e3\u30fc\u30b7\u3001\u30e1\u30a4\u30f3\u53d6\u308a\u4ed8\u3051\u30d7\u30ec\u30fc\u30c8\u9818\u57df\u3001\u304a\u3088\u3073\u30c9\u30a2\u958b\u53e3\u90e8\u306e\u5883\u754c\u306e\u7269\u7406\u7684\u5bf8\u6cd5\u3002.<\/td>\n<\/tr>\n<tr>\n<td width=\"167\"><strong>\u30dd\u30fc\u30eb\u69cb\u6210<\/strong><\/td>\n<td width=\"434\">\u6c34\u5e73\u9593\u9694\u3001DIN\u30ec\u30fc\u30eb\u9577\u3001\u304a\u3088\u3073\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3002.<\/td>\n<\/tr>\n<tr>\n<td width=\"167\"><strong>\u96fb\u5727\u5b9a\u683c<\/strong><\/td>\n<td width=\"434\">\u30a8\u30a2\u30ae\u30e3\u30c3\u30d7\u5b89\u5168\u8ddd\u96e2\u3001\u7d76\u7e01\u5883\u754c\u3001\u304a\u3088\u3073\u76f8\u9593\u30af\u30ea\u30a2\u30e9\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td width=\"167\"><strong>\u53d6\u308a\u4ed8\u3051\u5bf8\u6cd5<\/strong><\/td>\n<td width=\"434\">\u7b50\u4f53\u306e\u5965\u884c\u304d\u5f62\u72b6\u3001\u69cb\u9020\u30d6\u30e9\u30b1\u30c3\u30c8\u306e\u4f4d\u7f6e\u3001\u304a\u3088\u3073\u677f\u91d1\u3078\u306e\u7a74\u3042\u3051\u30d1\u30bf\u30fc\u30f3\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u95a2\u9023\u3059\u308b\u3059\u3079\u3066\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u306e\u7cbe\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30b5\u30a4\u30ba\u306b\u95a2\u3059\u308b\u305d\u306e\u4ed6\u306e\u8003\u616e\u4e8b\u9805\u306b\u3064\u3044\u3066\u3082\u660e\u3089\u304b\u306b\u306a\u308a\u3001\u8a2d\u8a08\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5b9f\u7528\u7684\u306a\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Standard_Circuit_Breaker_Sizes_by_Type\"><\/span>\u6a19\u6e96\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30b5\u30a4\u30ba\uff08\u7a2e\u985e\u5225\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50845\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Standard-Circuit-Breaker-Sizes-by-Type.jpg\" alt=\"\u6a19\u6e96\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30b5\u30a4\u30ba\uff08\u7a2e\u985e\u5225\uff09\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Standard-Circuit-Breaker-Sizes-by-Type.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Standard-Circuit-Breaker-Sizes-by-Type-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Standard-Circuit-Breaker-Sizes-by-Type-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Standard-Circuit-Breaker-Sizes-by-Type-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"MCB_Sizes\"><\/span>MCB\u306e\u30b5\u30a4\u30ba<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u4e3b\u306b\u5206\u5c90\u56de\u8def\u3068\u6a5f\u5668\u5236\u5fa1\u306b\u95a2\u308f\u308b\u5834\u5408\u3001MCB\u306e\u4ed5\u69d8\u3068\u30b5\u30a4\u30ba\u304c\u6700\u3082\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u8a2d\u8a08\u3067\u3059\u3002\u696d\u754c\u3067\u306f\u3001\u901a\u5e38\u3001DIN\u30ec\u30fc\u30eb\u4e0a\u306b\u9ad8\u5bc6\u5ea6\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3001\u5185\u90e8\u3067\u306f\u6c34\u5e73\u914d\u7f6e\u304c\u4e00\u822c\u7684\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/www.kdmsteel.com\/ja\/%e3%82%ab%e3%82%b9%e3%82%bf%e3%83%a0%e9%9b%bb%e6%b0%97%e7%ad%90%e4%bd%93%e3%83%a1%e3%83%bc%e3%82%ab%e3%83%bc\/\">\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3<\/a>.<\/p>\n<p>\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u8a2d\u8a08\u306b\u304a\u3044\u3066\u3001\u3053\u308c\u3089\u306e\u90e8\u54c1\u306f\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u5965\u884c\u304d\u306b\u307b\u3068\u3093\u3069\u5236\u7d04\u3092\u4e0e\u3048\u307e\u305b\u3093\u3002\u8a2d\u8a08\u306e\u91cd\u70b9\u306f\u6c34\u5e73\u65b9\u5411\u306b\u7f6e\u304b\u308c\u307e\u3059\u3002\u591a\u56de\u8def\u5236\u5fa1\u76e4\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u306f\u3001MCB\uff08\u30df\u30cb\u30c1\u30e5\u30a2\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\uff09\u306e\u5217\u5168\u4f53\u304c\u5360\u3081\u308b\u5168\u5e45\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d1\u30cd\u30eb\u306e\u5207\u308a\u6b20\u304d\u306e\u914d\u7f6e\u3084\u5185\u90e8\u7a7a\u9593\u306e\u914d\u5206\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"MCCB_Frame_Sizes\"><\/span>MCCB\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u914d\u96fb\u7528\u9014\u3084\u4e2d\uff5e\u9ad8\u8ca0\u8377\u7528\u9014\u306b\u79fb\u884c\u3059\u308b\u5834\u5408\u3001\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u5185\u90e8\u30ec\u30a4\u30a2\u30a6\u30c8\u306f\u81ea\u7136\u3068MCCB\u30ec\u30d9\u30eb\u3078\u3068\u79fb\u884c\u3057\u307e\u3059\u3002.<\/p>\n<p>MCB\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u3053\u306e\u30bf\u30a4\u30d7\u306e\u6a5f\u5668\u306f\u3088\u308a\u660e\u78ba\u306b\u533a\u5207\u3089\u308c\u305f\u8a2d\u7f6e\u9818\u57df\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u3084\u30d0\u30b9\u30d0\u30fc\u306b\u5fc5\u8981\u306a\u30b9\u30da\u30fc\u30b9\u3082\u305d\u308c\u306b\u5fdc\u3058\u3066\u62e1\u5927\u3055\u308c\u3001\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u5185\u306e\u6a5f\u80fd\u7684\u306a\u30be\u30fc\u30cb\u30f3\u30b0\u304c\u3088\u308a\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306f\u901a\u5e38\u3001 <a href=\"https:\/\/sincede.com\/a-simple-guide-to-understanding-mccb-frame-sizes\/\">MCCB\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba<\/a>, \u53d6\u4ed8\u30d1\u30cd\u30eb\u306e\u5206\u5272\u3084\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u5e45\u306e\u5272\u308a\u5f53\u3066\u306f\u4e26\u884c\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002\u7523\u696d\u7528\u96fb\u6c17\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u3084OEM\u96fb\u6e90\u6a5f\u5668\u306e\u5834\u5408\u3001\u3053\u306e\u30ec\u30d9\u30eb\u306f\u9ad8\u5bc6\u5ea6\u69cb\u9020\u304b\u3089\u3001\u3088\u308a\u6a5f\u80fd\u7684\u306b\u5206\u5272\u3055\u308c\u305f\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u30ec\u30a4\u30a2\u30a6\u30c8\u3078\u306e\u79fb\u884c\u3092\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ACB_Industrial_Breaker_Sizes\"><\/span>ACB\u5de5\u696d\u7528\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e00\u6b21\u7d66\u96fb\u30b7\u30b9\u30c6\u30e0\u3084\u5927\u898f\u6a21\u306a\u7523\u696d\u7528\u914d\u96fb\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001ACB\uff08\u4ea4\u6d41\u906e\u65ad\u5668\uff09\u306f\u901a\u5e38\u3001\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u8a2d\u8a08\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u57fa\u6e96\u70b9\u3068\u306a\u308b\u3002.<\/p>\n<p>\u3053\u308c\u3089\u306e\u906e\u65ad\u5668\u306f\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u3001\u69cb\u9020\u3082\u8907\u96d1\u3067\u3059\u3002\u8a2d\u7f6e\u30b9\u30da\u30fc\u30b9\u306f\u5168\u4f53\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002ACB\u3092\u9078\u5b9a\u3059\u308b\u969b\u306f\u3001\u305d\u306e\u30b5\u30a4\u30ba\u306b\u5408\u308f\u305b\u3066\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u69cb\u9020\u3092\u8a2d\u8a08\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u5965\u884c\u304d\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30a2\u30af\u30bb\u30b9\u3001\u30d0\u30b9\u30d0\u30fc\u306e\u914d\u7f6e\u306f\u3059\u3079\u3066\u3001\u906e\u65ad\u5668\u306e\u5bf8\u6cd5\u306b\u5408\u308f\u305b\u3066\u8a08\u753b\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u53d6\u308a\u5916\u3057\u53ef\u80fd\u306a\u90e8\u54c1\u3084\u64cd\u4f5c\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u3082\u8003\u616e\u306b\u5165\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u591a\u304f\u306e\u5927\u898f\u6a21\u306a\u914d\u96fb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u914d\u96fb\u76e4\u306e\u5185\u90e8\u30ec\u30a4\u30a2\u30a6\u30c8\u306f\u3001\u4e3b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u4ed5\u69d8\u304b\u3089\u59cb\u3081\u3066\u3001\u305d\u3053\u304b\u3089\u5916\u5074\u306b\u5411\u304b\u3063\u3066\u62e1\u5f35\u3057\u3066\u3044\u304f\u5f62\u3067\u8a2d\u8a08\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Circuit_Breaker_Sizes_by_Amperage_and_Frame_Rating\"><\/span>\u96fb\u6d41\u5bb9\u91cf\u3068\u30d5\u30ec\u30fc\u30e0\u5b9a\u683c\u306b\u3088\u308b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50846\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Circuit-Breaker-Sizes-by-Amperage-and-Frame-Rating.jpg\" alt=\"\u96fb\u6d41\u5bb9\u91cf\u3068\u30d5\u30ec\u30fc\u30e0\u5b9a\u683c\u306b\u3088\u308b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Circuit-Breaker-Sizes-by-Amperage-and-Frame-Rating.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Circuit-Breaker-Sizes-by-Amperage-and-Frame-Rating-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Circuit-Breaker-Sizes-by-Amperage-and-Frame-Rating-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Circuit-Breaker-Sizes-by-Amperage-and-Frame-Rating-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u7b50\u4f53\u3092\u8a2d\u8a08\u3059\u308b\u969b\u3001\u5b9a\u683c\u96fb\u6d41\u3068\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u306f\u3001\u9078\u629e\u306b\u304a\u3044\u3066\u6700\u3082\u91cd\u8981\u306a2\u3064\u306e\u8981\u7d20\u3067\u3059\u3002\u5b9a\u683c\u96fb\u6d41\u306f\u8ca0\u8377\u5bb9\u91cf\u3092\u6c7a\u5b9a\u3057\u3001\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u306f\u6a5f\u5668\u306e\u8a2d\u7f6e\u30b5\u30a4\u30ba\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002.<\/p>\n<p>\u5358\u4e00\u306e\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u3067\u8907\u6570\u306e\u30a2\u30f3\u30da\u30a2\u5b9a\u683c\u306b\u5bfe\u5fdc\u3067\u304d\u3001\u7b50\u4f53\u30b5\u30a4\u30ba\u306e\u5909\u66f4\u306f\u6bd4\u8f03\u7684\u5c11\u306a\u304f\u3066\u6e08\u307f\u307e\u3059\u3002\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u8a2d\u8a08\u6bb5\u968e\u3067\u306f\u3001\u307e\u305a\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u3092\u6c7a\u5b9a\u3057\u3001\u6b21\u306b\u5177\u4f53\u7684\u306a\u30a2\u30f3\u30da\u30a2\u5b9a\u683c\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8a73\u7d30\u306f\u4ee5\u4e0b\u306e\u8868\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<table width=\"601\">\n<tbody>\n<tr>\n<td width=\"103\"><strong>\u30d5\u30ec\u30fc\u30e0\u5b9a\u683c<\/strong><\/td>\n<td width=\"103\"><strong>\u6a19\u6e96\u7684\u306a\u96fb\u6d41\u7bc4\u56f2<\/strong><\/td>\n<td width=\"171\"><strong>\u53d6\u308a\u4ed8\u3051\u5bf8\u6cd5<\/strong><\/td>\n<td width=\"224\"><strong>\u8a2d\u8a08\u4e0a\u306e\u8003\u616e\u4e8b\u9805\u3068\u5b9f\u52d9\u4e0a\u306e\u6ce8\u610f\u70b9<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"103\">125AF<\/td>\n<td width=\"103\">15\uff5e125A<\/td>\n<td width=\"171\">\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30c7\u30b6\u30a4\u30f3\u3067\u3001\u6a19\u6e96\u7684\u306aDIN\u30ec\u30fc\u30eb\u306b\u9069\u5408\u3057\u307e\u3059\u3002<\/td>\n<td width=\"224\">\u9ad8\u5bc6\u5ea6\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u6700\u9069\u3067\u3059\u3002\u307e\u305a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3057\u3066\u304b\u3089\u96fb\u6e90\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u307b\u3068\u3093\u3069\u306e\u8a2d\u7f6e\u4e0a\u306e\u554f\u984c\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002.<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">250AF<\/td>\n<td width=\"103\">100\uff5e250A<\/td>\n<td width=\"171\">\u6a19\u6e96\u53d6\u308a\u4ed8\u3051\u30a8\u30ea\u30a2<\/td>\n<td width=\"224\">\u5f93\u6765\u306e\u96fb\u6e90\u56de\u8def\u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u3001\u6a19\u6e96\u7684\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002.<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">400AF<\/td>\n<td width=\"103\">250\uff5e400A<\/td>\n<td width=\"171\">\u5c02\u7528\u306e\u53d6\u308a\u4ed8\u3051\u30b9\u30da\u30fc\u30b9\u304c\u5fc5\u8981\u3067\u3059<\/td>\n<td width=\"224\">\u653e\u71b1\u306e\u305f\u3081\u306e\u5341\u5206\u306a\u30b9\u30da\u30fc\u30b9\u3092\u78ba\u4fdd\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d5\u30ec\u30fc\u30e0\u306e\u9078\u629e\u3092\u8aa4\u308b\u3068\u3001\u6a5f\u5668\u306e\u7d44\u307f\u7acb\u3066\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002.<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">630AF<\/td>\n<td width=\"103\">400\uff5e630A<\/td>\n<td width=\"171\">\u72ec\u7acb\u3057\u305f\u533a\u753b\u306b\u8a2d\u7f6e<\/td>\n<td width=\"224\">\u30d0\u30b9\u30d0\u30fc\u30ec\u30a4\u30a2\u30a6\u30c8\u8a2d\u8a08\u306e\u6700\u9069\u5316\u3002\u5bf8\u6cd5\u8aa4\u5dee\u306f\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u6539\u9020\u30b3\u30b9\u30c8\u306e\u5897\u52a0\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">800AF\u4ee5\u4e0a<\/td>\n<td width=\"103\">700+A<\/td>\n<td width=\"171\">\u72ec\u7acb\u3057\u305f\u7b50\u4f53\u3092\u88c5\u5099<\/td>\n<td width=\"224\">\u30d5\u30a3\u30fc\u30c0\u30fc\u3084\u4e3b\u56de\u8def\u3067\u6700\u3082\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002\u8aa4\u3063\u305f\u9078\u629e\u3092\u3059\u308b\u3068\u3001\u901a\u5e38\u306f\u677f\u91d1\u3092\u4f5c\u308a\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Standard_Breaker_Sizes_by_Voltage_and_Region\"><\/span>\u96fb\u5727\u3068\u5730\u57df\u5225\u306e\u6a19\u6e96\u30d6\u30ec\u30fc\u30ab\u30fc\u30b5\u30a4\u30ba<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50847\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Standard-Breaker-Sizes-by-Voltage-and-Region.jpg\" alt=\"\u96fb\u5727\u3068\u5730\u57df\u5225\u306e\u6a19\u6e96\u30d6\u30ec\u30fc\u30ab\u30fc\u30b5\u30a4\u30ba\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Standard-Breaker-Sizes-by-Voltage-and-Region.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Standard-Breaker-Sizes-by-Voltage-and-Region-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Standard-Breaker-Sizes-by-Voltage-and-Region-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Standard-Breaker-Sizes-by-Voltage-and-Region-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u5404\u56fd\u30fb\u5730\u57df\u3067\u65bd\u884c\u3055\u308c\u3066\u3044\u308b\u96fb\u6c17\u898f\u683c\u306f\u3001\u906e\u65ad\u5668\u306e\u5b9a\u683c\u96fb\u5727\u3001\u906e\u65ad\u5bb9\u91cf\u3001\u8a2d\u7f6e\u8981\u4ef6\u306b\u76f4\u63a5\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u6d77\u5916\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u304a\u3044\u3066\u306f\u3001\u96fb\u5727\u306f\u5358\u306a\u308b\u96fb\u6c17\u7684\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u306f\u306a\u304f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8981\u7d20\u306e\u4e00\u3064\u3067\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Breaker_Sizes_for_Common_Industrial_Voltage_Systems\"><\/span>\u4e00\u822c\u7684\u306a\u7523\u696d\u7528\u96fb\u5727\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u906e\u65ad\u5668\u306e\u30b5\u30a4\u30ba<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u56de\u8def\u906e\u65ad\u5668\u306e\u30b5\u30a4\u30ba\u3001\u5bf8\u6cd5\u3001\u8a2d\u8a08\u8981\u4ef6\u306f\u3001\u96fb\u5727\u6761\u4ef6\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u4e3b\u306a\u9069\u7528\u30b7\u30ca\u30ea\u30aa\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>230V \/ 400V\uff08IEC\u898f\u683c\uff09<\/li>\n<\/ul>\n<p>\u4f4f\u5b85\u3001\u5546\u696d\u65bd\u8a2d\u3001\u5c0f\u898f\u6a21\u7523\u696d\u65bd\u8a2d\u306a\u3069\u3067\u5e45\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e3b\u306a\u56de\u8def\u906e\u65ad\u5668\u306f\u30de\u30a4\u30af\u30ed\u30d6\u30ec\u30fc\u30ab\u30fc\u3068\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u56de\u8def\u906e\u65ad\u5668\u3067\u3001\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u8a2d\u8a08\u304c\u4e3b\u6d41\u3067\u3059\u3002.<\/p>\n<ul>\n<li>480V\uff08\u5317\u7c73\u7523\u696d\u898f\u683c\uff09<\/li>\n<\/ul>\n<p>\u4e3b\u306b\u5de5\u5834\u5185\u306e\u96fb\u529b\u4f9b\u7d66\u30b7\u30b9\u30c6\u30e0\u3084\u6a5f\u5668\u4f9b\u7d66\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u3088\u308a\u9ad8\u3044\u77ed\u7d61\u906e\u65ad\u5bb9\u91cf\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u578b\u56de\u8def\u906e\u65ad\u5668\u304c\u4e3b\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n<ul>\n<li>600V\uff08\u5317\u7c73\uff0f\u91cd\u5de5\u696d\u898f\u683c\uff09<\/li>\n<\/ul>\n<p>\u91cd\u6a5f\u3001\u9271\u696d\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u95a2\u9023\u306a\u3069\u3001\u5e45\u5e83\u3044\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u88fd\u54c1\u306f\u3001\u3088\u308a\u9ad8\u3044\u7d76\u7e01\u5b9a\u683c\u3068\u906e\u65ad\u5bb9\u91cf\u3001\u3088\u308a\u5927\u304d\u306a\u5168\u4f53\u5bf8\u6cd5\u3001\u304a\u3088\u3073\u3088\u308a\u5e83\u3044\u53d6\u308a\u4ed8\u3051\u9593\u9694\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002.<\/p>\n<ul>\n<li>690V\uff08IEC\u7523\u696d\u7528\u62e1\u5f35\u898f\u683c\uff09<\/li>\n<\/ul>\n<p>\u5927\u898f\u6a21\u306a\u7523\u696d\u7528\u914d\u96fb\u30b7\u30b9\u30c6\u30e0\u3084\u30e2\u30fc\u30bf\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u9ad8\u6027\u80fd\u306a\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u578b\u906e\u65ad\u5668\u3068\u30d5\u30ec\u30fc\u30e0\u578b\u906e\u65ad\u5668\u304c\u6700\u3082\u4e00\u822c\u7684\u306a\u7528\u9014\u3067\u3059\u3002\u7b50\u4f53\u306e\u8a2d\u7f6e\u306b\u95a2\u3059\u308b\u898f\u5236\u8981\u4ef6\u306f\u3088\u308a\u53b3\u683c\u3067\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Size_Specifications_of_Different_Regional_Standards\"><\/span>\u5730\u57df\u3054\u3068\u306e\u30b5\u30a4\u30ba\u898f\u683c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5730\u57df\u3092\u307e\u305f\u3050\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5411\u3051\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u306f\u3001\u5404\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08\u4e0a\u306e\u512a\u5148\u4e8b\u9805\u3092\u8a8d\u8b58\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>IEC\u30b7\u30b9\u30c6\u30e0\uff08\u30e8\u30fc\u30ed\u30c3\u30d1\u3001\u4e2d\u6771\u3001\u30a2\u30b8\u30a2\uff09<\/li>\n<\/ul>\n<p>\u30e2\u30b8\u30e5\u30fc\u30eb\u5f0f\u30b3\u30f3\u30bb\u30d7\u30c8\u3068DIN\u30ec\u30fc\u30eb\u3078\u306e\u6c4e\u7528\u7684\u306a\u53d6\u308a\u4ed8\u3051\u69cb\u9020\u3092\u91cd\u8996\u3057\u3001\u90e8\u54c1\u5bf8\u6cd5\u3092\u9ad8\u5ea6\u306b\u6a19\u6e96\u5316\u3059\u308b\u3053\u3068\u3067\u9ad8\u5bc6\u5ea6\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u3002.<\/p>\n<ul>\n<li>UL\u30b7\u30b9\u30c6\u30e0\uff08\u5317\u7c73\uff09<\/li>\n<\/ul>\n<p>\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u906e\u65ad\u5bb9\u91cf\u3068\u88fd\u54c1\u8a8d\u8a3c\u30ec\u30d9\u30eb\u306e\u8a55\u4fa1\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u3044\u307e\u3059\u3002\u540c\u3058\u96fb\u6d41\u5b9a\u683c\u3067\u3042\u3063\u3066\u3082\u3001\u6a5f\u5668\u306e\u5bf8\u6cd5\u3084\u53d6\u308a\u4ed8\u3051\u4ed5\u69d8\u306f\u7279\u5b9a\u306e\u898f\u683c\u306b\u6e96\u62e0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<ul>\n<li>NEC\uff08\u7c73\u56fd\u96fb\u6c17\u5de5\u4e8b\u898f\u7a0b\uff09<\/li>\n<\/ul>\n<p>\u3053\u306e\u898f\u683c\u306f\u3001\u8a2d\u7f6e\u6642\u306e\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u3068\u73fe\u5834\u3067\u306e\u65bd\u5de5\u8a73\u7d30\u306b\u95a2\u3059\u308b\u53b3\u683c\u306a\u8981\u4ef6\u3092\u5b9a\u3081\u3066\u3044\u307e\u3059\u3002\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u8a2d\u7f6e\u30b9\u30da\u30fc\u30b9\u3092\u8a08\u753b\u3059\u308b\u969b\u306f\u3001\u95a2\u9023\u3059\u308b\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u898f\u5236\u3092\u53b3\u5b88\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Circuit_Breaker_Dimensions_and_Installation_Space_Requirements\"><\/span>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5bf8\u6cd5\u3068\u8a2d\u7f6e\u30b9\u30da\u30fc\u30b9\u8981\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50848\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Circuit-Breaker-Dimensions-and-Installation-Space-Requirements.jpg\" alt=\"\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u5bf8\u6cd5\u3068\u8a2d\u7f6e\u30b9\u30da\u30fc\u30b9\u8981\u4ef6\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Circuit-Breaker-Dimensions-and-Installation-Space-Requirements.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Circuit-Breaker-Dimensions-and-Installation-Space-Requirements-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Circuit-Breaker-Dimensions-and-Installation-Space-Requirements-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Circuit-Breaker-Dimensions-and-Installation-Space-Requirements-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<ul>\n<li>\u8a2d\u7f6e\u30af\u30ea\u30a2\u30e9\u30f3\u30b9<\/li>\n<\/ul>\n<p>\u5927\u578b\u306e\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u5c0f\u578b\u306e\u3082\u306e\u306e\u3088\u3046\u306b\u7b50\u4f53\u5185\u306b\u304e\u3063\u3057\u308a\u3068\u53ce\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u653e\u71b1\u3001\u8a2d\u7f6e\u3001\u304a\u3088\u3073\u5c06\u6765\u306e\u8abf\u6574\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u5341\u5206\u306a\u6a2a\u65b9\u5411\u306e\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<ul>\n<li>\u30d0\u30b9\u30d0\u30fc\u30ec\u30a4\u30a2\u30a6\u30c8\u30b9\u30da\u30fc\u30b9<\/li>\n<\/ul>\n<p>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u308b\u3068\u3001\u30d0\u30b9\u30d0\u30fc\u306e\u9762\u7a4d\u3082\u4e00\u822c\u7684\u306b\u62e1\u5927\u3057\u307e\u3059\u3002\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u5e45\u3092\u6c7a\u5b9a\u3059\u308b\u969b\u306b\u306f\u3001\u5f8c\u3005\u306e\u5185\u90e8\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u6df7\u96d1\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u76f8\u9593\u8ddd\u96e2\u3068\u30d0\u30b9\u30d0\u30fc\u63a5\u7d9a\u306e\u305f\u3081\u306e\u30b9\u30da\u30fc\u30b9\u3092\u540c\u6642\u306b\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<ul>\n<li>\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u30a8\u30ea\u30a2<\/li>\n<\/ul>\n<p>\u5927\u5bb9\u91cf\u306e\u56de\u8def\u906e\u65ad\u5668\u306f\u901a\u5e38\u3001\u592a\u3044\u30b2\u30fc\u30b8\u306e\u30b1\u30fc\u30d6\u30eb\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u8a2d\u8a08\u6bb5\u968e\u3067\u306f\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u66f2\u3052\u534a\u5f84\u3092\u5341\u5206\u306b\u8003\u616e\u3057\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u30b9\u30e0\u30fc\u30ba\u306a\u914d\u7dda\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u5965\u884c\u304d\u3092\u5341\u5206\u306b\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<ul>\n<li>\u904b\u7528\u30fb\u4fdd\u5b88\u30b9\u30da\u30fc\u30b9<\/li>\n<\/ul>\n<p>\u4e3b\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u524d\u306b\u306f\u3001\u57fa\u672c\u7684\u306a\u64cd\u4f5c\u304a\u3088\u3073\u4fdd\u5b88\u4f5c\u696d\u3092\u884c\u3046\u305f\u3081\u306e\u30b9\u30da\u30fc\u30b9\u3092\u78ba\u4fdd\u3057\u3066\u304a\u304f\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u958b\u9589\u3001\u4fdd\u5b88\u4f5c\u696d\u3001\u304a\u3088\u3073\u5c06\u6765\u7684\u306a\u90e8\u54c1\u4ea4\u63db\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>\u3088\u304f\u3042\u308b\u8cea\u554f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Are_Circuit_Breakers_Compliant_with_IEC_and_UL_Standards_Exchangeable_in_Terms_of_Size_and_Specifications\"><\/span>\u56de\u8def\u906e\u65ad\u5668\u306fIEC\u304a\u3088\u3073UL\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u3001\u30b5\u30a4\u30ba\u3084\u4ed5\u69d8\u306b\u95a2\u3057\u3066\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e21\u8005\u306b\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002IEC\u898f\u683c\u306e\u6a5f\u5668\u306f\u6a19\u6e96\u7684\u306aDIN\u30ec\u30fc\u30eb\u306b\u9069\u5408\u3057\u3001\u5bf8\u6cd5\u3082\u7d71\u4e00\u3055\u308c\u3066\u3044\u307e\u3059\u3002UL\u898f\u683c\u306e\u88fd\u54c1\u306f\u8a8d\u8a3c\u8981\u4ef6\u3092\u6e80\u305f\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u540c\u3058\u30a2\u30f3\u30da\u30a2\u5b9a\u683c\u3067\u3042\u3063\u3066\u3082\u3001\u7269\u7406\u7684\u306a\u5bf8\u6cd5\u3084\u53d6\u308a\u4ed8\u3051\u4f4d\u7f6e\u304c\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_the_Cabinet_Design_Be_Used_with_Circuit_Breakers_of_Different_AF_Frame_Sizes\"><\/span>\u3053\u306e\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u8a2d\u8a08\u306f\u3001\u7570\u306a\u308bAF\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u306e\u56de\u8def\u906e\u65ad\u5668\u306b\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u76f4\u63a5\u9069\u7528\u306f\u63a8\u5968\u3057\u307e\u305b\u3093\u3002\u5c0f\u578b\u7b50\u4f53\u306e125AF\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u9ad8\u5bc6\u5ea6\u8a2d\u7f6e\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002400AF\u3092\u8d85\u3048\u308b\u5834\u5408\u306f\u3001\u653e\u71b1\u3068\u8a2d\u7f6e\u306e\u305f\u3081\u306b\u5c02\u7528\u306e\u30b9\u30da\u30fc\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002800AF\u4ee5\u4e0a\u306e\u5834\u5408\u306f\u3001\u5225\u9014\u30b3\u30f3\u30d1\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u8a2d\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30a4\u30ba\u3054\u3068\u306b\u30ec\u30a4\u30a2\u30a6\u30c8\u8981\u4ef6\u304c\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_the_Impact_of_a_Circuit_Breakers_Frame_Size_on_the_Cabinet_Width_Fixed\"><\/span>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u304c\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u5e45\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u306f\u56fa\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3044\u3044\u3048\u3001\u56fa\u5b9a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u306b\u3088\u3063\u3066\u76f8\u9593\u306e\u6700\u5c0f\u96fb\u6c17\u7684\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u304c\u6c7a\u307e\u308a\u307e\u3059\u304c\u3001\u6700\u7d42\u7684\u306a\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u5e45\u306f\u30d0\u30b9\u30d0\u30fc\u3084\u914d\u7dda\u30ec\u30a4\u30a2\u30a6\u30c8\u3001\u5730\u57df\u898f\u683c\u306b\u3088\u3063\u3066\u3082\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_Procedure_Should_Be_Followed_to_Identify_the_Proper_Circuit_Breaker_Frame_Size_for_a_Project\"><\/span>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u9069\u3057\u305f\u56de\u8def\u906e\u65ad\u5668\u306e\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u3092\u7279\u5b9a\u3059\u308b\u306b\u306f\u3001\u3069\u306e\u3088\u3046\u306a\u624b\u9806\u3092\u8e0f\u3080\u3079\u304d\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u307e\u305a\u3001\u53d6\u308a\u4ed8\u3051\u30d1\u30cd\u30eb\u306e\u5e45\u3068\u5965\u884c\u304d\u3092\u6e2c\u5b9a\u3057\u3001\u305d\u308c\u306b\u5408\u3063\u305f\u30d5\u30ec\u30fc\u30e0\u30b5\u30a4\u30ba\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001\u8a2d\u7f6e\u6642\u3084\u5c06\u6765\u7684\u306a\u7b50\u4f53\u306e\u5909\u66f4\u306b\u4f34\u3046\u554f\u984c\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_Are_the_Main_Variations_in_General_Layout_Design_for_MCBS_MCCBS_and_ACBS\"><\/span>MCBS\u3001MCCBS\u3001ACBS\u306e\u4e00\u822c\u7684\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u8a2d\u8a08\u306b\u304a\u3051\u308b\u4e3b\u306a\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>MCB\u306f\u4e3b\u306b\u5e45\u3092\u8003\u616e\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002MCCB\u306f\u3001\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u5e45\u3001\u30d0\u30b9\u30d0\u30fc\u306e\u30b9\u30da\u30fc\u30b9\u3001\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002ACB\u306f\u3001\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306e\u5965\u884c\u304d\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u305f\u3081\u306e\u30a2\u30af\u30bb\u30b9\u3001\u6a5f\u80fd\u9818\u57df\u306b\u3064\u3044\u3066\u7dbf\u5bc6\u306a\u691c\u8a0e\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Thought\"><\/span>\u6700\u5f8c\u306b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-50850\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Final-Thought-2.jpg\" alt=\"\u6700\u5f8c\u306b\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Final-Thought-2.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Final-Thought-2-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Final-Thought-2-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/05\/Final-Thought-2-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" 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