{"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":"%ed%91%9c%ec%a4%80-%ed%9a%8c%eb%a1%9c-%ec%b0%a8%eb%8b%a8%ea%b8%b0-%ed%81%ac%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/ko\/standard-circuit-breaker-sizes\/","title":{"rendered":"\ud45c\uc900 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30\uc5d0 \ub300\ud55c \uc644\ubcbd \uac00\uc774\ub4dc"},"content":{"rendered":"<p>\ud45c\uc900 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30\ub294 \ubc30\uc804\ubc18 \ubc30\uce58 \ubc0f \ud504\ub85c\uc81d\ud2b8 \uaddc\uc815 \uc900\uc218\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uc804\ub958 \uc815\uaca9, \ud504\ub808\uc784 \ud06c\uae30, \uadf8\ub9ac\uace0 \uc9c0\uc5ed\ubcc4 \uaddc\uc815\uc744 \uace0\ub824\ud560 \ub54c, \uc5b4\ub5a4 \ud06c\uae30\uac00 \uc801\ud569\ud55c\uc9c0 \uc5b4\ub5bb\uac8c \uc54c \uc218 \uc788\uc744\uae4c\uc694? \uc774 \uae00\uc5d0\uc11c\ub294 \ub2e4\uc591\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30\uc758 \uc8fc\uc694 \uc0ac\uc591\uacfc \ud06c\uae30 \ucc28\uc774\ub97c \uc774\ud574\ud558\uc5ec \uc120\ud0dd \ubc0f \uc124\uacc4 \uacfc\uc815\uc744 \uac04\uc18c\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \ub4dc\ub9bd\ub2c8\ub2e4.<\/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\">\ubaa9\ucc28<\/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=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\ube44\ub140\uc7a5<\/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\/ko\/standard-circuit-breaker-sizes\/#What_Are_Standard_Circuit_Breaker_Sizes\" >\ud45c\uc900 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30\ub294 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/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\/ko\/standard-circuit-breaker-sizes\/#Standard_Circuit_Breaker_Sizes_by_Type\" >\uc720\ud615\ubcc4 \ud45c\uc900 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30<\/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\/ko\/standard-circuit-breaker-sizes\/#MCB_Sizes\" >MCB \ud06c\uae30<\/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\/ko\/standard-circuit-breaker-sizes\/#MCCB_Frame_Sizes\" >MCCB \ud504\ub808\uc784 \ud06c\uae30<\/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\/ko\/standard-circuit-breaker-sizes\/#ACB_Industrial_Breaker_Sizes\" >ACB \uc0b0\uc5c5\uc6a9 \ucc28\ub2e8\uae30 \ud06c\uae30<\/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\/ko\/standard-circuit-breaker-sizes\/#Circuit_Breaker_Sizes_by_Amperage_and_Frame_Rating\" >\uc554\ud398\uc5b4 \ubc0f \ud504\ub808\uc784 \uc815\uaca9\uc5d0 \ub530\ub978 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30<\/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\/ko\/standard-circuit-breaker-sizes\/#Standard_Breaker_Sizes_by_Voltage_and_Region\" >\uc804\uc555 \ubc0f \uc9c0\uc5ed\ubcc4 \ud45c\uc900 \ucc28\ub2e8\uae30 \ud06c\uae30<\/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\/ko\/standard-circuit-breaker-sizes\/#Breaker_Sizes_for_Common_Industrial_Voltage_Systems\" >\uc77c\ubc18\uc801\uc778 \uc0b0\uc5c5\uc6a9 \uc804\uc555 \uc2dc\uc2a4\ud15c\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ucc28\ub2e8\uae30 \ud06c\uae30<\/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\/ko\/standard-circuit-breaker-sizes\/#Size_Specifications_of_Different_Regional_Standards\" >\uc9c0\uc5ed\ubcc4 \ud45c\uc900 \uaddc\uaca9\uc758 \ud06c\uae30 \uc0ac\uc591<\/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\/ko\/standard-circuit-breaker-sizes\/#Circuit_Breaker_Dimensions_and_Installation_Space_Requirements\" >\ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30 \ubc0f \uc124\uce58 \uacf5\uac04 \uc694\uad6c \uc0ac\ud56d<\/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\/ko\/standard-circuit-breaker-sizes\/#FAQ\" >\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/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\/ko\/standard-circuit-breaker-sizes\/#Are_Circuit_Breakers_Compliant_with_IEC_and_UL_Standards_Exchangeable_in_Terms_of_Size_and_Specifications\" >\ud68c\ub85c \ucc28\ub2e8\uae30\ub294 IEC \ubc0f UL \ud45c\uc900\uc744 \uc900\uc218\ud558\uba70, \ud06c\uae30\uc640 \uc0ac\uc591 \uba74\uc5d0\uc11c \uc0c1\ud638 \uad50\ud658\uc774 \uac00\ub2a5\ud55c\uac00\uc694?<\/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\/ko\/standard-circuit-breaker-sizes\/#Can_the_Cabinet_Design_Be_Used_with_Circuit_Breakers_of_Different_AF_Frame_Sizes\" >\uc774 \uce90\ube44\ub2db \ub514\uc790\uc778\uc740 AF \ud504\ub808\uc784 \ud06c\uae30\uac00 \ub2e4\ub978 \ud68c\ub85c \ucc28\ub2e8\uae30\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/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\/ko\/standard-circuit-breaker-sizes\/#Is_the_Impact_of_a_Circuit_Breakers_Frame_Size_on_the_Cabinet_Width_Fixed\" >\ucc28\ub2e8\uae30 \ud504\ub808\uc784 \ud06c\uae30\uac00 \uce90\ube44\ub2db \ub108\ube44\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc740 \uace0\uc815\ub418\uc5b4 \uc788\uc2b5\ub2c8\uae4c?<\/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\/ko\/standard-circuit-breaker-sizes\/#What_Procedure_Should_Be_Followed_to_Identify_the_Proper_Circuit_Breaker_Frame_Size_for_a_Project\" >\ud504\ub85c\uc81d\ud2b8\uc5d0 \uc801\ud569\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30 \ud504\ub808\uc784 \ud06c\uae30\ub97c \uacb0\uc815\ud558\uae30 \uc704\ud574 \ub530\ub77c\uc57c \ud560 \uc808\ucc28\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/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\/ko\/standard-circuit-breaker-sizes\/#What_Are_the_Main_Variations_in_General_Layout_Design_for_MCBS_MCCBS_and_ACBS\" >MCBS, MCCBS \ubc0f ACBS\uc758 \uc77c\ubc18\uc801\uc778 \ubc30\uce58 \uc124\uacc4\uc5d0\uc11c \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/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\/ko\/standard-circuit-breaker-sizes\/#Final_Thought\" >\ub9c8\uc9c0\ub9c9\uc73c\ub85c<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_Standard_Circuit_Breaker_Sizes\"><\/span>\ud45c\uc900 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30\ub294 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<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=\"\ud45c\uc900 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?\" 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>\ud45c\uc900 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30\ub294 \ub2e8\uc21c\ud788 \uc678\ud615\uc801\uc778 \ud06c\uae30\ub9cc\uc744 \uc758\ubbf8\ud558\ub294 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ud638\ud658\uc131 \ub9e4\uac1c\ubcc0\uc218\ub3c4 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ubaa8\ub378\uc744 \uc120\ud0dd\ud560 \ub54c\ub294 \uc554\ud398\uc5b4 \uc815\uaca9\ub9cc \ubcf4\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ud504\ub808\uc784 \ud06c\uae30, \uadf9 \uc218, \uc124\uce58 \uce58\uc218 \ubaa8\ub450 \ubc30\uc804\ubc18 \ubc30\uce58\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\uc74c\uc740 \uc8fc\uc694 \ucc38\uc870 \ub9e4\uac1c\ubcc0\uc218\uc785\ub2c8\ub2e4.<\/p>\n<table width=\"601\">\n<tbody>\n<tr>\n<td width=\"167\"><strong>\ub9e4\uac1c\ubcc0\uc218<\/strong><\/td>\n<td width=\"434\"><strong>\ub0b4\uac01\uc758 \uad6c\uc870\uc801 \uc5ed\ud560<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"167\"><strong>\uc815\uaca9 \uc804\ub958<\/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\/\">\uc640\uc774\uc5b4 \uac8c\uc774\uc9c0<\/a>, \ub2e8\uc790\ub300 \ubc0f \ud658\uae30 \uacf5\uac04.<\/td>\n<\/tr>\n<tr>\n<td width=\"167\"><strong>\ud504\ub808\uc784 \ud06c\uae30<\/strong><\/td>\n<td width=\"434\">\uc100\uc2dc\uc758 \ubb3c\ub9ac\uc801 \uce58\uc218, \uc8fc\uc694 \uc7a5\ucc29\ud310 \uc601\uc5ed \ubc0f \ub3c4\uc5b4 \uac1c\uad6c\ubd80 \uacbd\uacc4.<\/td>\n<\/tr>\n<tr>\n<td width=\"167\"><strong>\uadf9\uc810 \uad6c\uc131<\/strong><\/td>\n<td width=\"434\">\uc218\ud3c9 \uac04\uaca9, DIN \ub808\uc77c \uae38\uc774 \ubc0f \ubc31\ud50c\ub808\uc778 \ub808\uc774\uc544\uc6c3.<\/td>\n<\/tr>\n<tr>\n<td width=\"167\"><strong>\uc804\uc555 \uc815\uaca9<\/strong><\/td>\n<td width=\"434\">\uacf5\uadf9 \uc548\uc804 \uac70\ub9ac, \uc808\uc5f0 \uacbd\uacc4 \ubc0f \uc0c1\uac04 \uac04\uaca9<\/td>\n<\/tr>\n<tr>\n<td width=\"167\"><strong>\uc7a5\ucc29 \uce58\uc218<\/strong><\/td>\n<td width=\"434\">\uc778\ud074\ub85c\uc800 \uae4a\uc774 \ud504\ub85c\ud30c\uc77c, \uad6c\uc870 \ube0c\ub798\ud0b7 \uc704\uce58 \ubc0f \ud310\uae08 \ub4dc\ub9b4\ub9c1 \ud328\ud134.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uad00\ub828\ub41c \ubaa8\ub4e0 \ub9e4\uac1c\ubcc0\uc218\ub97c \ube44\uad50\ud568\uc73c\ub85c\uc368 \uc124\uacc4\uc758 \uc815\ud655\ub3c4\ub97c \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ud06c\uae30\uc640 \uad00\ub828\ub41c \ub2e4\ub978 \uace0\ub824 \uc0ac\ud56d\uc744 \ud30c\uc545\ud558\uace0 \uc124\uacc4\uac00 \ud504\ub85c\uc81d\ud2b8\uc758 \uc2e4\uc9c8\uc801\uc778 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \uc785\uc99d\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Standard_Circuit_Breaker_Sizes_by_Type\"><\/span>\uc720\ud615\ubcc4 \ud45c\uc900 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30<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=\"\uc720\ud615\ubcc4 \ud45c\uc900 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30\" 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 \ud06c\uae30<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ud504\ub85c\uc81d\ud2b8\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\uac00 \ubd84\uae30 \ud68c\ub85c \ubc0f \uc7a5\ube44 \uc81c\uc5b4\uc778 \uacbd\uc6b0, MCB(\ubbf8\ub2c8\uc5b4\ucc98 \ud68c\ub85c \ucc28\ub2e8\uae30) \uc0ac\uc591 \ubc0f \ud06c\uae30\ub97c \uac00\uc7a5 \uc790\uc8fc \uc0ac\uc6a9\ud558\uac8c \ub429\ub2c8\ub2e4. \uc774 \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \uc18c\ud615 \uc124\uacc4\uac00 \ud2b9\uc9d5\uc785\ub2c8\ub2e4. \uc5c5\uacc4\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c DIN \ub808\uc77c\uc5d0 \uc870\ubc00\ud558\uac8c \ubc30\uc5f4\ud558\uc5ec \uc124\uce58\ud558\uba70, \ub0b4\ubd80\uc5d0\ub294 \uc218\ud3c9 \ubc30\uce58 \ubc29\uc2dd\uc774 \ud754\ud788 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. <a href=\"https:\/\/www.kdmsteel.com\/ko\/%eb%a7%9e%ec%b6%a4%ed%98%95-%ec%a0%84%ea%b8%b0-%ec%9d%b8%ed%81%b4%eb%a1%9c%ec%a0%80-%ec%a0%9c%ec%a1%b0%ec%97%85%ec%b2%b4\/\">\uc778\ud074\ub85c\uc800<\/a>.<\/p>\n<p>\uce90\ube44\ub2db \uc124\uacc4 \uc2dc \uc774\ub7ec\ud55c \uad6c\uc131 \uc694\uc18c\ub294 \uce90\ube44\ub2db \uae4a\uc774\uc5d0 \uac70\uc758 \uc81c\uc57d\uc744 \ub450\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc124\uacc4\uc758 \ud575\uc2ec\uc740 \uc218\ud3c9 \ubc29\ud5a5\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc911 \ud68c\ub85c \uc81c\uc5b4 \uce90\ube44\ub2db\uc744 \uc124\uacc4\ud560 \ub54c\ub294 MCB(\uc18c\ud615 \ud68c\ub85c \ucc28\ub2e8\uae30) \ud55c \uc904\uc774 \ucc28\uc9c0\ud558\ub294 \uc804\uccb4 \ub108\ube44\ub97c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub294 \ud328\ub110 \uc808\ub2e8\ubd80 \ubc30\uce58\uc640 \ub0b4\ubd80 \uacf5\uac04 \ubc30\ubd84\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"MCCB_Frame_Sizes\"><\/span>MCCB \ud504\ub808\uc784 \ud06c\uae30<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc804\ub825 \ubd84\ubc30 \ub610\ub294 \uc911\uace0\ubd80\ud558 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc73c\ub85c \uc804\ud658\ud560 \uacbd\uc6b0, \uce90\ube44\ub2db\uc758 \ub0b4\ubd80 \ub808\uc774\uc544\uc6c3\uc740 \uc790\uc5f0\uc2a4\ub7fd\uac8c MCCB \uc218\uc900\uc73c\ub85c \ubcc0\uacbd\ub429\ub2c8\ub2e4.<\/p>\n<p>MCB\uc640 \ube44\uad50\ud588\uc744 \ub54c, \uc774\ub7ec\ud55c \uc720\ud615\uc758 \uc7a5\ube44\ub294 \uc124\uce58 \uacf5\uac04\uc774 \ub354\uc6b1 \uba85\ud655\ud558\uac8c \uad6c\ubd84\ub429\ub2c8\ub2e4. \ucf00\uc774\ube14 \ubc30\uc120 \ubc0f \ubc84\uc2a4\ubc14 \uc124\uce58\uc5d0 \ud544\uc694\ud55c \uacf5\uac04 \ub610\ud55c \uadf8\uc5d0 \ub530\ub77c \ud655\uc7a5\ub418\uba70, \uce90\ube44\ub2db \ub0b4\ubd80\uc758 \uae30\ub2a5 \uad6c\uc5ed \uad6c\ubd84\uc774 \ub354\uc6b1 \ub69c\ub837\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n<p>\uc774 \ub2e8\uacc4\uc5d0\uc11c \uce90\ube44\ub2db \ubc30\uce58\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uc744 \uc911\uc2ec\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. <a href=\"https:\/\/sincede.com\/a-simple-guide-to-understanding-mccb-frame-sizes\/\">MCCB \ud504\ub808\uc784 \ud06c\uae30<\/a>, \ub610\ud55c, \uc7a5\ucc29 \ud328\ub110\uc758 \ubd84\ud560\uacfc \uce90\ube44\ub2db \ud3ed \ud560\ub2f9\uc740 \ub3d9\uc2dc\uc5d0 \uc9c4\ud589\ub429\ub2c8\ub2e4. \uc0b0\uc5c5\uc6a9 \uc804\uae30 \uce90\ube44\ub2db \ubc0f OEM \uc804\ub825 \uc7a5\ube44\uc758 \uacbd\uc6b0, \uc774 \ub2e8\uacc4\ub294 \ubc00\uc9d1\ub41c \uad6c\uc870\uc5d0\uc11c \uae30\ub2a5\uc801\uc73c\ub85c \ubd84\ud560\ub41c \uce90\ube44\ub2db \ub808\uc774\uc544\uc6c3\uc73c\ub85c\uc758 \uc804\ud658\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ACB_Industrial_Breaker_Sizes\"><\/span>ACB \uc0b0\uc5c5\uc6a9 \ucc28\ub2e8\uae30 \ud06c\uae30<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc8fc\uc694 \ubc30\uc804 \uc2dc\uc2a4\ud15c\uc774\ub098 \ub300\uaddc\ubaa8 \uc0b0\uc5c5\uc6a9 \ubc30\uc804 \uc2dc\uc2a4\ud15c\uc5d0\uc11c ACB(\uc790\ub3d9 \ucc28\ub2e8\uae30)\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubc30\uc804\ubc18 \uc124\uacc4\uc758 \ud575\uc2ec \uae30\uc900\uc810\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \ucc28\ub2e8\uae30\ub294 \ud06c\uae30\uac00 \ud06c\uace0 \uad6c\uc870\uac00 \ub354 \ubcf5\uc7a1\ud569\ub2c8\ub2e4. \uc124\uce58 \uacf5\uac04\uc740 \uc804\uccb4\uc801\uc778 \ubc30\uce58\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ucc28\ub2e8\uae30\ub97c \uc120\ud0dd\ud560 \ub54c\ub294 \ucc28\ub2e8\uae30 \ud06c\uae30\uc5d0 \ub9de\ucdb0 \uce90\ube44\ub2db \uad6c\uc870\ub97c \uc124\uacc4\ud574\uc57c \ud569\ub2c8\ub2e4. \uce90\ube44\ub2db \uae4a\uc774, \uc720\uc9c0\ubcf4\uc218 \uc811\uadfc\uc131, \ubaa8\uc120 \ubc30\uce58 \ub4f1\uc740 \ubaa8\ub450 \ucc28\ub2e8\uae30\uc758 \ud06c\uae30\uc5d0 \ub530\ub77c \uacc4\ud68d\ud574\uc57c \ud569\ub2c8\ub2e4. \ud0c8\ucc29\uc2dd \ubd80\ud488\uacfc \uc791\ub3d9 \uac04\uaca9 \ub610\ud55c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ub9ce\uc740 \ub300\uaddc\ubaa8 \ubc30\uc804 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ubc30\uc804\ubc18\uc758 \ub0b4\ubd80 \ub808\uc774\uc544\uc6c3\uc740 \uc8fc \ucc28\ub2e8\uae30\uc758 \uc0ac\uc591\uc744 \uae30\uc900\uc73c\ub85c \uc124\uacc4\ub97c \uc2dc\uc791\ud558\uc5ec \ubc14\uae65\ucabd\uc73c\ub85c \ud655\uc7a5\ud574 \ub098\uac00\ub294 \ubc29\uc2dd\uc73c\ub85c \uc9c4\ud589\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Circuit_Breaker_Sizes_by_Amperage_and_Frame_Rating\"><\/span>\uc554\ud398\uc5b4 \ubc0f \ud504\ub808\uc784 \uc815\uaca9\uc5d0 \ub530\ub978 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30<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=\"\uc554\ud398\uc5b4 \ubc0f \ud504\ub808\uc784 \uc815\uaca9\uc5d0 \ub530\ub978 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30\" 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>\ud68c\ub85c \ucc28\ub2e8\uae30 \uc678\ud568\uc744 \uc124\uacc4\ud560 \ub54c \uc815\uaca9 \uc804\ub958 \uc6a9\ub7c9\uacfc \ud504\ub808\uc784 \ud06c\uae30\ub294 \uc120\ud0dd\uc744 \uacb0\uc815\ud558\ub294 \uac00\uc7a5 \uc911\uc694\ud55c \ub450 \uac00\uc9c0 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc815\uaca9 \uc804\ub958 \uc6a9\ub7c9\uc740 \ubd80\ud558 \uc6a9\ub7c9\uc744 \uacb0\uc815\ud558\uace0, \ud504\ub808\uc784 \ud06c\uae30\ub294 \uc7a5\ube44\uc758 \uc124\uce58 \ud06c\uae30\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<p>\ud558\ub098\uc758 \ud504\ub808\uc784 \ud06c\uae30\ub85c \ub2e4\uc591\ud55c \uc554\ud398\uc5b4 \uc815\uaca9\uc744 \uc218\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \uc778\ud074\ub85c\uc800 \ud06c\uae30\ub294 \ube44\uad50\uc801 \ud06c\uac8c \ubcc0\uacbd\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uce90\ube44\ub2db \uc124\uacc4 \ub2e8\uacc4\uc5d0\uc11c \uba3c\uc800 \ud504\ub808\uc784 \ud06c\uae30\ub97c \uacb0\uc815\ud55c \ub2e4\uc74c \ud2b9\uc815 \uc554\ud398\uc5b4 \uc815\uaca9\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \uc544\ub798 \ud45c\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624.<\/p>\n<table width=\"601\">\n<tbody>\n<tr>\n<td width=\"103\"><strong>\ud504\ub808\uc784 \ub4f1\uae09<\/strong><\/td>\n<td width=\"103\"><strong>\uc77c\ubc18\uc801\uc778 \uc804\ub958 \ubc94\uc704<\/strong><\/td>\n<td width=\"171\"><strong>\uc7a5\ucc29 \uce58\uc218<\/strong><\/td>\n<td width=\"224\"><strong>\uc124\uacc4 \uace0\ub824 \uc0ac\ud56d \ubc0f \uc2e4\ubb34 \ucc38\uace0 \uc0ac\ud56d<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"103\">125AF<\/td>\n<td width=\"103\">15\u2013125A<\/td>\n<td width=\"171\">\ucf64\ud329\ud2b8\ud55c \ub514\uc790\uc778\uc73c\ub85c \ud45c\uc900 DIN \ub808\uc77c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/td>\n<td width=\"224\">\uace0\ubc00\ub3c4 \ubc30\uce58\uc5d0 \uc774\uc0c1\uc801\uc774\uba70, \uba3c\uc800 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc124\uce58\ud55c \ud6c4 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub97c \uad6c\uc131\ud558\uba74 \ub300\ubd80\ubd84\uc758 \uc124\uce58 \ubb38\uc81c\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">250AF<\/td>\n<td width=\"103\">100\u2013250A<\/td>\n<td width=\"171\">\ud45c\uc900 \uc7a5\ucc29 \uc601\uc5ed<\/td>\n<td width=\"224\">\uc774 \uc81c\ud488\uc740 \uae30\uc874 \uc804\ub825 \ud68c\ub85c\uc640 \ud638\ud658\ub418\uba70 \ud45c\uc900 \ub808\uc774\uc544\uc6c3\uc744 \uc0ac\uc6a9\ud558\uc5ec \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">400AF<\/td>\n<td width=\"103\">250~400A<\/td>\n<td width=\"171\">\ubcc4\ub3c4\uc758 \uc124\uce58 \uacf5\uac04\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/td>\n<td width=\"224\">\uc5f4 \ubc29\ucd9c\uc744 \uc704\ud55c \ucda9\ubd84\ud55c \uacf5\uac04\uc744 \ud655\ubcf4\ud558\uc2ed\uc2dc\uc624. \uc798\ubabb\ub41c \ud504\ub808\uc784\uc744 \uc120\ud0dd\ud558\uba74 \uc7a5\ube44 \uc870\ub9bd\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">630AF<\/td>\n<td width=\"103\">400\u2013630A<\/td>\n<td width=\"171\">\uac1c\ubcc4 \uad6c\ud68d\uc5d0 \uc124\uce58\ub428<\/td>\n<td width=\"224\">\ubc84\uc2a4\ubc14 \ubc30\uce58 \uc124\uacc4 \ucd5c\uc801\ud654; \uce58\uc218 \uc624\ub958\ub294 \uce90\ube44\ub2db \uc218\uc815 \ube44\uc6a9\uc744 \uc99d\uac00\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td width=\"103\">800AF \uc774\uc0c1<\/td>\n<td width=\"103\">700+A<\/td>\n<td width=\"171\">\ubcc4\ub3c4\uc758 \uc778\ud074\ub85c\uc800\uac00 \uc7a5\ucc29\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<td width=\"224\">\uc8fc\ub85c \uae09\uc804\uc120 \ubc0f \uc8fc \ud68c\ub85c\uc5d0 \uc0ac\uc6a9\ub418\uba70, \uc798\ubabb \uc120\ud0dd\ud558\uba74 \ud310\uae08\uc744 \ub2e4\uc2dc \uc81c\uc791\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Standard_Breaker_Sizes_by_Voltage_and_Region\"><\/span>\uc804\uc555 \ubc0f \uc9c0\uc5ed\ubcc4 \ud45c\uc900 \ucc28\ub2e8\uae30 \ud06c\uae30<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=\"\uc804\uc555 \ubc0f \uc9c0\uc5ed\ubcc4 \ud45c\uc900 \ucc28\ub2e8\uae30 \ud06c\uae30\" 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>\uac01 \uad6d\uac00 \ubc0f \uc9c0\uc5ed\uc5d0\uc11c \uc2dc\ud589\ub418\ub294 \uc804\uae30 \ud45c\uc900\uc740 \ud68c\ub85c \ucc28\ub2e8\uae30\uc758 \uc815\uaca9 \uc804\uc555, \ucc28\ub2e8 \uc6a9\ub7c9 \ubc0f \uc124\uce58 \uc694\uad6c \uc0ac\ud56d\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ud574\uc678 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc804\uc555\uc740 \ub2e8\uc21c\ud55c \uc804\uae30\uc801 \ub9e4\uac1c\ubcc0\uc218\uac00 \uc544\ub2c8\ub77c \ud504\ub85c\uc81d\ud2b8 \uaddc\uc815 \uc900\uc218\uc5d0 \uc788\uc5b4 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Breaker_Sizes_for_Common_Industrial_Voltage_Systems\"><\/span>\uc77c\ubc18\uc801\uc778 \uc0b0\uc5c5\uc6a9 \uc804\uc555 \uc2dc\uc2a4\ud15c\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ucc28\ub2e8\uae30 \ud06c\uae30<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ud68c\ub85c \ucc28\ub2e8\uae30\uc758 \ud06c\uae30, \uce58\uc218 \ubc0f \uc124\uacc4 \uc694\uad6c \uc0ac\ud56d\uc740 \uc804\uc555 \uc870\uac74\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uc8fc\uc694 \uc801\uc6a9 \uc2dc\ub098\ub9ac\uc624\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>230V \/ 400V (IEC \ud45c\uc900)<\/li>\n<\/ul>\n<p>\uc8fc\uac70\uc6a9, \uc0c1\uc5c5\uc6a9 \ubc0f \uc18c\uaddc\ubaa8 \uc0b0\uc5c5 \ud604\uc7a5\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc8fc\uc694 \ucc28\ub2e8\uae30\ub294 \ub9c8\uc774\ud06c\ub85c \ucc28\ub2e8\uae30 \ubc0f \ubab0\ub4dc\ud615 \ucc28\ub2e8\uae30\uc774\uba70, \uce90\ube44\ub2db \ubc30\uce58\ub294 \ubaa8\ub4c8\uc2dd \uc124\uacc4\ub97c \ub530\ub974\ub294 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>480V (\ubd81\ubbf8 \uc0b0\uc5c5 \ud45c\uc900)<\/li>\n<\/ul>\n<p>\uc8fc\ub85c \uacf5\uc7a5 \uc804\ub825 \ubc0f \uc7a5\ube44 \uacf5\uae09 \uc2dc\uc2a4\ud15c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc2dc\uc2a4\ud15c\uc740 \ub354 \ub192\uc740 \ub2e8\ub77d \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uc694\uad6c\ud558\uba70, \ubab0\ub4dc\ud615 \ud68c\ub85c \ucc28\ub2e8\uae30\uac00 \uac00\uc7a5 \uc801\ud569\ud55c \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n<ul>\n<li>600V (\ubd81\ubbf8\/\uc911\uacf5\uc5c5 \ud45c\uc900)<\/li>\n<\/ul>\n<p>\uc911\uc7a5\ube44, \uad11\uc5c5, \uc5d0\ub108\uc9c0 \ubc0f \uae30\ud0c0 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc81c\ud488\uc740 \ub354 \ub192\uc740 \uc808\uc5f0 \ub4f1\uae09\uacfc \ucc28\ub2e8 \uc6a9\ub7c9\uc774 \uc694\uad6c\ub418\uba70, \uc804\uccb4 \ud06c\uae30\uac00 \ub354 \ud06c\uace0 \uc124\uce58 \uac04\uaca9\uc774 \ub354 \ub113\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>690V (IEC \uc0b0\uc5c5 \ud655\uc7a5 \ud45c\uc900)<\/li>\n<\/ul>\n<p>\ub300\uaddc\ubaa8 \uc0b0\uc5c5\uc6a9 \ubc30\uc804 \ubc0f \ubaa8\ud130 \uc81c\uc5b4 \uc2dc\uc2a4\ud15c\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uace0\uae09\ud615 \ubab0\ub4dc\ud615 \ud68c\ub85c \ucc28\ub2e8\uae30\uc640 \ud504\ub808\uc784\ud615 \ud68c\ub85c \ucc28\ub2e8\uae30\uac00 \uac00\uc7a5 \ud754\ud558\uac8c \uc0ac\uc6a9\ub418\ub294 \uc720\ud615\uc785\ub2c8\ub2e4. \uc678\ud568 \uad6c\uc5ed \uc124\uc815 \uc694\uac74\uc774 \ub354\uc6b1 \uc5c4\uaca9\ud569\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Size_Specifications_of_Different_Regional_Standards\"><\/span>\uc9c0\uc5ed\ubcc4 \ud45c\uc900 \uaddc\uaca9\uc758 \ud06c\uae30 \uc0ac\uc591<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc5ec\ub7ec \uc9c0\uc5ed\uc5d0 \uac78\uccd0 \uc9c4\ud589\ub418\ub294 \ud504\ub85c\uc81d\ud2b8\ub97c \uc704\ud55c \uc194\ub8e8\uc158\uc744 \uc120\ud0dd\ud560 \ub54c\ub294 \uac01 \uc2dc\uc2a4\ud15c\uc758 \uc124\uacc4 \uc6b0\uc120\uc21c\uc704\ub97c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>IEC \uc2dc\uc2a4\ud15c(\uc720\ub7fd, \uc911\ub3d9 \ubc0f \uc544\uc2dc\uc544)<\/li>\n<\/ul>\n<p>\ubaa8\ub4c8\uc2dd \uc124\uacc4\uc640 DIN \ub808\uc77c\uc5d0 \uc7a5\ucc29\ud560 \uc218 \uc788\ub294 \ubc94\uc6a9 \ub9c8\uc6b4\ud305 \uad6c\uc870\uc5d0 \uc911\uc810\uc744 \ub450\uc5c8\uc73c\uba70, \uace0\ub3c4\ub85c \ud45c\uc900\ud654\ub41c \ubd80\ud488 \uce58\uc218\ub97c \ud1b5\ud574 \uace0\ubc00\ub3c4 \ud328\ud0a4\uc9d5\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>UL \uc2dc\uc2a4\ud15c(\ubd81\ubbf8)<\/li>\n<\/ul>\n<p>\uc774 \uc2dc\uc2a4\ud15c\uc740 \ucc28\ub2e8 \uc6a9\ub7c9 \ubc0f \uc81c\ud488 \uc778\uc99d \uc218\uc900 \ud3c9\uac00\uc5d0 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \uc554\ud398\uc5b4 \uc815\uaca9\uc758 \uacbd\uc6b0, \uc7a5\ube44\uc758 \ud06c\uae30 \ubc0f \uc124\uce58 \uc0ac\uc591\uc740 \ud2b9\uc815 \ud45c\uc900\uc744 \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>NEC(\ubbf8\uad6d \uc804\uae30 \uaddc\uaca9)<\/li>\n<\/ul>\n<p>\uc774 \ud45c\uc900\uc740 \uc124\uce58 \uc5ec\uc720 \uacf5\uac04 \ubc0f \ud604\uc7a5 \uc2dc\uacf5 \uc138\ubd80 \uc0ac\ud56d\uc5d0 \ub300\ud55c \uc5c4\uaca9\ud55c \uc694\uad6c \uc0ac\ud56d\uc744 \uaddc\uc815\ud569\ub2c8\ub2e4. \uce90\ube44\ub2db \uacf5\uac04\uc744 \uacc4\ud68d\ud560 \ub54c\ub294 \uad00\ub828 \uc5ec\uc720 \uacf5\uac04 \uaddc\uc815\uc744 \uc5c4\uaca9\ud788 \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Circuit_Breaker_Dimensions_and_Installation_Space_Requirements\"><\/span>\ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30 \ubc0f \uc124\uce58 \uacf5\uac04 \uc694\uad6c \uc0ac\ud56d<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=\"\ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30 \ubc0f \uc124\uce58 \uacf5\uac04 \uc694\uad6c \uc0ac\ud56d\" 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>\uc124\uce58 \uc5ec\uc720 \uacf5\uac04<\/li>\n<\/ul>\n<p>\ub300\ud615 \ud504\ub808\uc784 \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \uc18c\ud615 \ud68c\ub85c \ucc28\ub2e8\uae30\uc5d0 \ube44\ud574 \uc678\ud568\uc5d0 \ubc00\uc9d1\ud558\uc5ec \uc124\uce58\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \uc5f4 \ubc29\ucd9c, \uc124\uce58 \ubc0f \ud5a5\ud6c4 \uc870\uc815 \uc791\uc5c5\uc744 \uc6a9\uc774\ud558\uac8c \ud558\uae30 \uc704\ud574 \ucda9\ubd84\ud55c \uce21\uba74 \uacf5\uac04\uc744 \ud655\ubcf4\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\ubc84\uc2a4\ubc14 \ub808\uc774\uc544\uc6c3 \uacf5\uac04<\/li>\n<\/ul>\n<p>\ucc28\ub2e8\uae30 \uc6a9\ub7c9\uc774 \ucee4\uc9c8\uc218\ub85d \uc77c\ubc18\uc801\uc73c\ub85c \ubaa8\uc120 \uba74\uc801\ub3c4 \ud568\uaed8 \ub113\uc5b4\uc9d1\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubc30\uc804\ubc18 \ud3ed\uc744 \uacb0\uc815\ud560 \ub54c\ub294 \ub098\uc911\uc5d0 \ub0b4\ubd80 \ubc30\uce58\uac00 \uacfc\ubc00\ud574\uc9c0\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc0c1\uac04 \uac70\ub9ac\uc640 \ubaa8\uc120 \uc5f0\uacb0 \uacf5\uac04\uc744 \ub3d9\uc2dc\uc5d0 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\ucf00\uc774\ube14 \ubc30\uc120 \uc601\uc5ed<\/li>\n<\/ul>\n<p>\ub300\uc6a9\ub7c9 \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uad75\uc740 \uac8c\uc774\uc9c0 \ucf00\uc774\ube14\uacfc \ud568\uaed8 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc124\uacc4 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ucf00\uc774\ube14 \uad7d\ud798 \ubc18\uacbd\uc744 \ucda9\ubd84\ud788 \uace0\ub824\ud558\uace0 \uc6d0\ud65c\ud55c \ucf00\uc774\ube14 \ubc30\uc120\uc744 \uc704\ud574 \uce90\ube44\ub2db \uae4a\uc774\ub97c \ucda9\ubd84\ud788 \ud655\ubcf4\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc6b4\uc601 \ubc0f \uc720\uc9c0\ubcf4\uc218 \uacf5\uac04<\/li>\n<\/ul>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \uc8fc \ucc28\ub2e8\uae30 \uc55e\uc5d0\ub294 \uae30\ubcf8\uc801\uc778 \uc791\ub3d9 \ubc0f \uc720\uc9c0\ubcf4\uc218 \uacf5\uac04\uc744 \ud655\ubcf4\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ud5a5\ud6c4 \ucc28\ub2e8\uae30\ub97c \uc27d\uac8c \uc5f4\uace0 \ub2eb\uc744 \uc218 \uc788\uace0, \uc720\uc9c0\ubcf4\uc218\ub97c \uc218\ud589\ud558\uac70\ub098 \ubd80\ud488\uc744 \uad50\uccb4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<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>\ud68c\ub85c \ucc28\ub2e8\uae30\ub294 IEC \ubc0f UL \ud45c\uc900\uc744 \uc900\uc218\ud558\uba70, \ud06c\uae30\uc640 \uc0ac\uc591 \uba74\uc5d0\uc11c \uc0c1\ud638 \uad50\ud658\uc774 \uac00\ub2a5\ud55c\uac00\uc694?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ub450 \uc81c\ud488\uc740 \ud638\ud658\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. IEC \uaddc\uaca9 \uc81c\ud488\uc740 \ud45c\uc900 DIN \ub808\uc77c\uc5d0 \ub9de\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc73c\uba70 \uaddc\uaca9\uc774 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ubc18\uba74 UL \uc81c\ud488\uc740 \uc778\uc99d \uc694\uac74\uc744 \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \uc554\ud398\uc5b4 \uc815\uaca9\uc774\ub77c\ub3c4 \ubb3c\ub9ac\uc801 \ud06c\uae30\uc640 \uc7a5\ucc29 \uc704\uce58\uac00 \ub2e4\ub97c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_the_Cabinet_Design_Be_Used_with_Circuit_Breakers_of_Different_AF_Frame_Sizes\"><\/span>\uc774 \uce90\ube44\ub2db \ub514\uc790\uc778\uc740 AF \ud504\ub808\uc784 \ud06c\uae30\uac00 \ub2e4\ub978 \ud68c\ub85c \ucc28\ub2e8\uae30\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc9c1\uc811 \uc801\uc6a9\uc740 \uad8c\uc7a5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc18c\ud615 \uc678\ud568\uc758 125AF \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \ubc00\uc9d1 \uc124\uce58\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4. 400AF \uc774\uc0c1\uc740 \uc5f4 \ubc29\ucd9c \ubc0f \uc124\uce58\ub97c \uc704\ud55c \ubcc4\ub3c4\uc758 \uacf5\uac04\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. 800AF \uc774\uc0c1\uc740 \ubcc4\ub3c4\uc758 \uad6c\ud68d\uc744 \ub9c8\ub828\ud574\uc57c \ud569\ub2c8\ub2e4. \uac01 \ud06c\uae30\ubcc4\ub85c \ud544\uc694\ud55c \ubc30\uce58 \uc870\uac74\uc774 \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_the_Impact_of_a_Circuit_Breakers_Frame_Size_on_the_Cabinet_Width_Fixed\"><\/span>\ucc28\ub2e8\uae30 \ud504\ub808\uc784 \ud06c\uae30\uac00 \uce90\ube44\ub2db \ub108\ube44\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc740 \uace0\uc815\ub418\uc5b4 \uc788\uc2b5\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc544\ub2c8\uc694, \uace0\uc815\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud504\ub808\uc784 \ud06c\uae30\ub294 \uc0c1\uac04 \ucd5c\uc18c \uc804\uae30\uc801 \uc774\uaca9 \uac70\ub9ac\ub97c \uacb0\uc815\ud558\uc9c0\ub9cc, \ucd5c\uc885 \uce90\ube44\ub2db \ub108\ube44\ub294 \ubaa8\uc120 \ubc0f \ubc30\uc120 \ubc30\uce58, \uadf8\ub9ac\uace0 \uc9c0\uc5ed \ud45c\uc900\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/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>\ud504\ub85c\uc81d\ud2b8\uc5d0 \uc801\ud569\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30 \ud504\ub808\uc784 \ud06c\uae30\ub97c \uacb0\uc815\ud558\uae30 \uc704\ud574 \ub530\ub77c\uc57c \ud560 \uc808\ucc28\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\uc124\uce58 \uc2dc \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ubb38\uc81c\ub97c \ubc29\uc9c0\ud558\uace0 \ud5a5\ud6c4 \uc778\ud074\ub85c\uc800 \ubcc0\uacbd \uc2dc\uc5d0\ub3c4 \ubb38\uc81c\uc5c6\uc774 \uc124\uce58\ud558\ub824\uba74, \uba3c\uc800 \uc7a5\ucc29 \ud328\ub110\uc758 \ub108\ube44\uc640 \uae4a\uc774\ub97c \uce21\uc815\ud55c \ud6c4 \uadf8\uc5d0 \ub9de\ub294 \ud504\ub808\uc784 \ud06c\uae30\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/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, MCCBS \ubc0f ACBS\uc758 \uc77c\ubc18\uc801\uc778 \ubc30\uce58 \uc124\uacc4\uc5d0\uc11c \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>MCB\ub294 \uc8fc\ub85c \ud3ed\uc744 \uace0\ub824\ud558\uc5ec \uc124\uacc4\ub429\ub2c8\ub2e4. MCCB\ub294 \uce90\ube44\ub2db \ud3ed, \ubc84\uc2a4\ubc14 \uacf5\uac04 \ubc0f \ucf00\uc774\ube14 \ubc30\uc120\uc744 \uade0\ud615 \uc788\uac8c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ubc18\uba74 ACB\ub294 \uce90\ube44\ub2db \uae4a\uc774, \uc720\uc9c0 \ubcf4\uc218 \uc811\uadfc\uc131 \ubc0f \uae30\ub2a5 \uc601\uc5ed\uc744 \uad11\ubc94\uc704\ud558\uac8c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Thought\"><\/span>\ub9c8\uc9c0\ub9c9\uc73c\ub85c<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=\"\ub9c8\uc9c0\ub9c9\uc73c\ub85c\" 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\" \/><\/p>\n<p>\uc801\ud569\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc740 \ub2e8\uc21c\ud788 \uc804\uae30 \uc0ac\uc591\ub9cc\uc744 \uace0\ub824\ud558\ub294 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc7a5\ube44\uac00 \uce90\ube44\ub2db \uad6c\uc870 \ubc0f \uc124\uce58 \uacf5\uac04\uc5d0 \uc801\ud569\ud55c\uc9c0 \ud655\uc778\ud558\ub294 \uac83\ub3c4 \uc911\uc694\ud569\ub2c8\ub2e4. KDM\uc740 \ubaa8\ub4e0 \ud68c\ub85c \ucc28\ub2e8\uae30\uc5d0 \uc801\ud569\ud55c \ub9de\ucda4\ud615 \uce90\ube44\ub2db\uc744 \uc81c\uc791\ud574 \ub4dc\ub9bd\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ud504\ub85c\uc81d\ud2b8\ub97c \uc6d0\ud65c\ud558\uac8c \uc9c4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<a href=\"https:\/\/www.kdmsteel.com\/ko\/%ec%97%b0%eb%9d%bd%ed%95%98%eb%8b%a4\/\">\ubb38\uc758\ud558\uae30<\/a> \uc624\ub298.<\/p>","protected":false},"excerpt":{"rendered":"<p>Standard circuit breaker sizes directly impact the layout of electrical cabinets and project compliance. Given these different current ratings, frame sizes, and different regional codes, how do you know which size is right? This article will help you understand the key specifications and dimensional differences among various circuit breakers, making the selection and design process [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":50842,"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-50839","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 v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A Complete Guide to Standard Circuit Breaker Sizes - 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\/ko\/\ud45c\uc900-\ud68c\ub85c-\ucc28\ub2e8\uae30-\ud06c\uae30\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Complete Guide to Standard Circuit Breaker Sizes - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"Standard circuit breaker sizes directly impact the layout of electrical cabinets and project compliance. 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