{"id":3540,"date":"2026-09-04T09:00:00","date_gmt":"2026-09-04T01:00:00","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/blog\/compact-and-reliable-mccb-for-safe-low-voltage-electrical-systems\/"},"modified":"2026-10-19T09:26:54","modified_gmt":"2026-10-19T01:26:54","slug":"%ec%95%88%ec%a0%84%ed%95%9c-%ec%a0%80%ec%a0%84%ec%95%95-%ec%a0%84%ea%b8%b0-%ec%8b%9c%ec%8a%a4%ed%85%9c%ec%9d%84-%ec%9c%84%ed%95%9c-%ec%bb%b4%ed%8c%a9%ed%8a%b8%ed%95%98%ea%b3%a0-%ec%95%88%ec%a0%95","status":"publish","type":"post","link":"https:\/\/w9-group.com\/ko\/blog\/compact-and-reliable-mccb-for-safe-low-voltage-electrical-systems\/","title":{"rendered":"\uc548\uc804\ud55c \uc800\uc804\uc555 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc744 \uc704\ud55c \ucef4\ud329\ud2b8\ud558\uace0 \uc548\uc815\uc801\uc778 MCCB"},"content":{"rendered":"<div data-content-revision=\"topic-research-geo information-gain\" data-revision-date=\"2026-10-19\">\n<p>A <strong>\ucf64\ud329\ud2b8 \ube0c\ub808\uc774\ucee4<\/strong> \ud328\ub110 \ucee4\ud305 \uad6c\uba4d\uc5d0 \ub9de\uc744 \uc218 \uc788\uc9c0\ub9cc, \ub2e8\uc790, \ucf00\uc774\ube14 \uaebe\uc784 \ub610\ub294 \ub0c9\uac01\uc744 \uc704\ud55c \uacf5\uac04\uc774 \ub108\ubb34 \ubd80\uc871\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud328\ub110 \uc81c\uc791\uc790\uc5d0\uac8c \uc720\uc6a9\ud55c \uc9c8\ubb38\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <strong>\uc644\uc804\ud55c MCCB \uad6c\uc131<\/strong> \uc774 \uc81c\ud488\uc740 \uc804\uae30\uc801 \ubc0f \uc5f4\uc801 \uc131\ub2a5\uacfc \ub3c4\uba74\uc758 \uc694\uad6c \uc0ac\ud56d\uc744 \ubaa8\ub450 \ucda9\uc871\ud569\ub2c8\ub2e4. \uc774 \uc81c\ud488\uc758 \ub2e8\uba74\ub3c4\ub294 \uc120\ud0dd \uc785\ub825\uc6a9\uc73c\ub85c \uc81c\uacf5\ub418\uba70, \uc2e0\ub8b0\uc131\uc774\ub098 \uacb0\ud568 \ubc0f \uc870\ub9bd\uacc4\ud68d \uc5f0\uad6c\uc758 \ub300\uccb4\ubb3c\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n<p>\uc694\uc57d: \uc18c\ud615 MCCB\ub294 \uc815\uaca9 \uc804\uc555, \uc5f0\uc18d \uc804\ub958, \ucc28\ub2e8 \uc6a9\ub7c9 \ubc0f \ud2b8\ub9ac\ud504 \uc124\uc815\uc774 \uc804\uccb4 \uc124\uce58\uc640 \uc77c\uce58\ud558\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc548\uc815\uc801\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4. IEC 60947-2\ub294 \uc8fc\uc694 \ucc28\ub2e8\uae30 \uc694\uad6c \uc0ac\ud56d\uacfc \uc2dc\ud5d8\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. IEC 60364-4-43\uc740 \uc800\uc804\uc555 \uc124\ube44\uc758 \uacfc\uc804\ub958 \ubcf4\ud638\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. \uc2b9\uc778 \uc804 \ubd80\ud558, \uc784\ud384\uc2a4, \uacb0\ud568 \uc218\uc900, \uc8fc\ubcc0 \uc628\ub3c4 \ubc0f \ub3c4\uccb4 \uc800\uac10 \uc218\uc900\uc744 \uae30\ub85d\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc815\ud655\ud55c \ud504\ub808\uc784, \ud2b8\ub9ac\ud504 \uc720\ub2db \ubc0f \uc561\uc138\uc11c\ub9ac\ub97c \uc2dc\uc6b4\uc804\ud569\ub2c8\ub2e4. \uc774 \uc99d\uac70 \uae30\ubc18 \ud504\ub85c\uc138\uc2a4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e8\uc9c0 \ucf00\uc774\uc2a4 \ud06c\uae30\ub9cc\uc73c\ub85c \uc120\ud0dd\ud558\ub294 \uac83\ubcf4\ub2e4 \uc804\uccb4 \uc218\uba85 \uc8fc\uae30 \ube44\uc6a9\uc744 \uc808\uac10\ud569\ub2c8\ub2e4.<\/p>\n<figure class=\"article-image\" style=\"margin:1em 0;\">\n<img decoding=\"async\" alt=\"\uc124\uce58\uc6a9 \ubd09\ud22c \uac80\ud1a0\uc640 \ud568\uaed8 \uc81c\uacf5\ub418\ub294 MCCB \uc81c\ud488 \ubcf4\uae30\" loading=\"lazy\" src=\"https:\/\/w9-group.com\/wp-content\/uploads\/2026\/07\/wlm6rt-1250a-3300-3p-wlm6rt-series-moulded-case-circuit-breaker400v-690v-gallery-09.webp\" style=\"display:block;width:50%;max-width:50%;height:auto;margin:0 auto;\"\/><figcaption>\uc124\uce58\uc6a9 \ubd09\ud22c \uac80\ud1a0\uc640 \ud568\uaed8 \uc81c\uacf5\ub418\ub294 MCCB \uc81c\ud488 \ubcf4\uae30.<\/figcaption><\/figure>\n<h2>\ucf64\ud329\ud2b8 MCCB \uc124\uacc4 \uc694\uad6c\uc0ac\ud56d<\/h2>\n<p>MCCB\ub294 \uc131\ud615\ub41c \uc778\ud074\ub85c\uc800 \ub0b4\uc5d0\uc11c \uc2a4\uc704\uce6d, \uc808\uc5f0 \ubc0f \uacfc\uc804\ub958 \ucc28\ub2e8 \uae30\ub2a5\uc744 \uacb0\ud569\ud569\ub2c8\ub2e4. \u201c\ucf64\ud329\ud2b8\u201d\ub77c\ub294 \uc6a9\uc5b4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud504\ub808\uc784\uacfc \ud06c\uae30 \uaddc\uaca9\uc744 \uc124\uba85\ud558\ub294 \uc6a9\uc5b4\uc785\ub2c8\ub2e4. \ud2b9\uc815 \uc804\ub958 \uc6a9\ub7c9, \ud30c\uc5f4 \ub2a5\ub825 \ub610\ub294 \uc628\ub3c4 \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. \uc2e0\ub8b0\uc131\uc740 \uc7a5\uce58\ub97c \uc804\uae30 \uc0ac\uc6a9 \uc870\uac74\uc5d0 \ub9de\uac8c \uc120\ud0dd\ud558\uace0 \uc81c\uc870\uc0ac\uc758 \ub3c4\uba74\ub300\ub85c \uc124\uce58\ud558\ub294 \uac83\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc800\uc804\uc555 \ud53c\ub354\uc758 \uacbd\uc6b0, \ub2e4\uc74c \ub124 \uac00\uc9c0 \ub370\uc774\ud130 \uadf8\ub8f9\uc744 \uac80\ud1a0\ud558\uc138\uc694:<\/p>\n<ul>\n<li>\uc804\uae30\uc6a9\ub7c9: \uc815\uaca9 \uc791\ub3d9 \uc804\uc555(U<sub>e<\/sub>), \uc8fc\ud30c\uc218, \uc5f0\uc18d \uc804\ub958 (I<sub>n<\/sub>) \ubc0f AC \ub610\ub294 DC \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158.<\/li>\n<li>\ubd80\ud558 \ubd80\ud558: \uc7a0\uc7ac\uc801\uc778 \ub2e8\ub77d \uc804\ub958 \ubc0f \uc120\uc5b8\ub41c \ucd5c\ub300 \ubc0f \uc11c\ube44\uc2a4 \uc6a9\ub7c9(I)<sub>cu<\/sub> \uadf8\ub9ac\uace0 \ub098\ub294<sub>cs<\/sub>) \uc2e4\uc81c \uc804\uc555\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<li>\ubcf4\ud638 \ub3d9\uc791: \uc5f4-\uc790\uae30 \ub610\ub294 \uc804\uc790 \ud2b8\ub9ac\ud504 \uae30\ub2a5, <a href=\"https:\/\/w9-group.com\/ko\/blog\/advantages-of-adjustable-type-of-mccb\/\">\uc870\uc808 \uac00\ub2a5\ud55c \ud53c\ud0b9<\/a>, \ub2e8\uc2dc\uac04 \uc9c0\uc5f0 \ubc0f \ubaa8\ub4e0 \uc811\uc9c0 \uacb0\ud568 \uc635\uc158.<\/li>\n<li>\uae30\uacc4\uc801 \uc801\ud569\uc131: \ud3f4 \uc218, \ub2e8\uc790 \uc704\uce58, \ub3c4\uccb4 \ud06c\uae30, \uc561\uc138\uc11c\ub9ac \uacf5\uac04, \ud06c\ub9ac\ud504 \uac70\ub9ac \ubc0f \uc778\ud074\ub85c\uc800\uc758 \uc5f4 \ubd84\uc0b0.<\/li>\n<\/ul>\n<p>IEC 60947-2:2024\ub294 \ud604\uc7ac IEC\uc5d0\uc11c \uc81c\uc2dc\ud558\ub294 \uc5ec\uc12f \ubc88\uc9f8 \ubc84\uc804\uc758 \uc81c\ud488 \uaddc\uaca9\uc785\ub2c8\ub2e4. \ud574\ub2f9 \uacc4\uc57d \ubc0f \uad6d\uac00 \uc2b9\uc778 \uc5ec\ubd80\ub294 \uc5ec\uc804\ud788 \ud544\uc694\ud55c \ubc84\uc804\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc0bc\uadf9 \ubc30\uc120 \ub610\ud55c \ud504\ub85c\uc81d\ud2b8\uc758 \uc911\ub9bd \ubc0f \uc811\uc9c0 \uc694\uad6c\uc870\uac74\uc5d0 \ub530\ub77c \ud3c9\uac00\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \ud45c\uc900\uc758 \uc804\uc555 \ubc94\uc704\ub294 \ubaa8\ub4e0 \ucc28\ub2e8\uae30\uc5d0 \ub3d9\uc77c\ud55c \uc804\uc555 \ub610\ub294 \ucc28\ud3d0 \ub4f1\uae09\uc744 \ubd80\uc5ec\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc644\uc804 \uc124\uce58 \ud3ec\uc7a5\uc744 \ud655\uc778\ud558\uc138\uc694<\/h3>\n<p>\ud130\ubbf8\ub110 \ucee4\ubc84, \uc2a4\ud504\ub808\uc774\uc5b4, \ud68c\uc804 \ud578\ub4e4, \uc154\ud2b8 \ub9ac\ub808\uc2a4\ud2b8 \ubc0f \uc9c0\uc815\ub41c \ubc30\uc120 \uc7a5\uce58\ub97c \uc124\uce58\ud55c \uc0c1\ud0dc\uc5d0\uc11c \uc124\uce58\ub41c \uc724\uacfd\uc120\uc744 \uadf8\ub9bd\ub2c8\ub2e4. \ucf00\uc774\ube14 \uad6c\ubd80\ub9ac\uae30 \uacf5\uac04\uacfc \uacf5\uad6c \uc811\uadfc\uc744 \uc808\uc5f0 \ub2e8\ub77d \ubc29\uc9c0 \uc7a5\uce58(shunt release)\uc640 \ud568\uaed8 \ubcc4\ub3c4\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4. OSHA 1910.303\uc5d0\uc11c\ub294 \ud574\ub2f9 \uaddc\uc815\uc758 \uad00\ud560 \uad6c\uc5ed\uc5d0\uc11c \ucca0\uc0ac \uad6c\ubd80\ub9ac\uae30 \uacf5\uac04, \uc808\uc5f0, \uac00\uc5f4 \ubc0f \ubaa9\uc801 \uc0ac\uc6a9\uc744 \uad6c\ubcc4\ub41c \uc801\ud569\uc131 \uace0\ub824\uc0ac\ud56d\uc73c\ub85c \uaddc\uc815\ud569\ub2c8\ub2e4. \uc2b9\uc778 \uc5ec\ubd80\ub294 \uacf5\uae09\ub41c \uc870\ub9bd \uad6c\uc131\uc774 \uac80\uc99d\ub41c \uc870\uac74\uc5d0 \ubd80\ud569\ud558\ub294\uc9c0 \uc5ec\ubd80\uc774\uba70, \uae30\uccb4\uac00 \uc778\ud074\ub85c\uc800\uc5d0 \uc555\uc785\ub420 \uc218 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub294 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n<h2>\ucf64\ud329\ud2b8 MCCB \uc0ac\uc774\uc988 \uc120\ud0dd<\/h2>\n<h3>\ub85c\ub4dc \ub370\uc774\ud130\uc640 \uc628\ub3c4 \ub370\uc774\ud130\ub97c \uae30\uc900\uc73c\ub85c \uc2dc\uc791\ud558\uc138\uc694.<\/h3>\n<p>\uc2e4\uc81c \uc0ac\uc6a9 \uc8fc\ud30c\uc218, \ubaa8\ud130 \ub370\uc774\ud130 \ubc0f \ud30c\uc6cc \ud30c\ub77c\ubbf8\ud130\ub85c\ubd80\ud130 \uc124\uacc4 \uc804\ub958\ub97c \uacc4\uc0b0\ud55c \ud6c4, \ud574\ub2f9 \ubcf4\uc815\uce58\ub97c \uc801\uc6a9\ud558\uc5ec \ub3c4\uccb4 \uc6a9\ub7c9\uacfc \ube44\uad50\ud569\ub2c8\ub2e4. \uc608\uc2dc\uc801\uc778 \uc218\uce58 \uac80\uc99d\uc744 \uc704\ud574, 230 V \uc9c1\ub82c-\uc9c1\ub82c \uc804\uc6d0 \uc785\ub825\uc5d0 \uade0\ud615 \uc7a1\ud78c 7.5 kW \uc0bc\uc0c1 \uc804\uc6d0\uacfc \ub3d9\uc77c\ud55c \uc804\ub825 \uacc4\uc218(power factor)\ub97c \uac16\ub294 \uacbd\uc6b0 I = P\/(sqrt(3) \u00d7 V \u00d7 power factor), \uc989 \uc57d 18.8 A\uac00 \ub429\ub2c8\ub2e4. 7.5 kW\uc758 \uc0e4\ud504\ud2b8 \ucd9c\ub825\uc774\ub77c\uba74 \ubaa8\ud130 \ud6a8\uc728\ub3c4 \ubd84\ubaa8\uc5d0 \ud3ec\ud568\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uc608\ub294 \ubaa8\ud130 \uba85\uce6d \uaddc\uaca9\uc774\ub098 \uc2b9\uc778\ub41c \ucc28\ub2e8\uae30 \ud06c\uae30\uac00 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n<p>\ucf64\ud329\ud2b8 \ud504\ub808\uc784\uc740 \uc5ec\ub7ec \uc7a5\uce58\uac00 \ud611\uc18c\ud55c \uacf5\uac04\uc5d0\uc11c \uacf5\uc720\ud560 \uacbd\uc6b0 \ub354 \ub728\uac70\uc6cc\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc81c\uc870\uc0ac\uc758 \uc628\ub3c4 \uc800\uac10 \ud45c\ub97c \uc801\uc6a9\ud558\uace0 \ud130\ubbf8\ub110 \ud1a0\ud06c\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624. IEC 60947-2 \uc628\ub3c4 \uc0c1\uc2b9 \ud14c\uc2a4\ud2b8\ub294 \uc815\uc758\ub41c \ud14c\uc2a4\ud2b8 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ubd90\ube44\ub294 \ud604\uc7a5\uc5d0\uc11c\ub294 \ub354 \ub0ae\uc740 \ud5c8\uc6a9 \ucd5c\ub300 \ubd80\ud558\ub97c \uc801\uc6a9\ud574\uc57c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ubc84\uc2a4 \uc704\uce58\uc5d0\uc11c\uc758 \ud30c\uad34 \ub2a5\ub825 \ud655\uc778<\/h3>\n<p>\ubcc0\uc555\uae30 \uc784\ud53c\ub358\uc2a4, \ub3c4\uccb4 \uae38\uc774 \ubc0f \uc720\ud2f8\ub9ac\ud2f0 \ub370\uc774\ud130\ub85c\ubd80\ud130 \uc7a0\uc7ac\uc801\uc778 \ub2e8\ub77d \uc804\ub958\ub97c \ucd94\uc815\ud569\ub2c8\ub2e4. \uc120\ud0dd I<sub>cu<\/sub> \uadf8\ub9ac\uace0 \ub098\ub294<sub>cs<\/sub> \uc124\uce58 \uc804\uc555\uc5d0\uc11c \uc120\uc5b8\ub41c \uac12\uc740 \uc5c5\uc2a4\ud2b8\ub9bc \ubcf4\ud638 \uc7a5\uce58\uc640 \ud568\uaed8 \ubc31\uc5c5 \ub610\ub294 \uce74\uc2a4\ucf00\ub529 \ud14c\uc774\ube14\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. AC \ucc28\ub2e8 \uac12\uc744 DC \uc2a4\ucf00\uc904\uc5d0 \uc808\ub300 \ubcf5\uc0ac\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. DC \uc544\ud06c \ucc28\ub2e8, \ud3f4 \uc2dc\ub9ac\uc988 \ubc30\uc5f4 \ubc0f \uadf9\uc131\uc740 \uc124\uacc4 \ubcc0\uc218\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc194\uc9c1\ud55c \ub300\ub2f5\uc740 \ub354 \uc791\uc740 \ud504\ub808\uc784\uc774 \ubd84\uae30 \ud68c\ub85c\uc5d0 \uc801\ud569\ud560 \uc218 \uc788\uace0, \ub354 \ud070 \ud504\ub808\uc784\uc740 \uace0\uc7a5 \ubc1c\uc0dd \ube48\ub3c4 \ub610\ub294 \uc870\uc815 \uc694\uad6c\uac00 \ub9ce\uc740 \ud53c\ub354\uc5d0 \ud544\uc694\ud558\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \ud55c \uc904\uc758 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uc77c\ubc18\uc801\uc778 \u201c\ucf64\ud329\ud2b8\u201d\ub77c\ub294 \uc6a9\uc5b4\ub97c \uc9c0\uce6d\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uacbd\uacc4\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ucf64\ud329\ud2b8 MCCB \ubcf4\ud638 \uc870\uc815<\/h2>\n<p>\uc5f0\uacb0 \uc870\uc815\uc740 \uacb0\ud568\uc774 \uc788\ub294 \uc7a5\uce58\uac00 \uba3c\uc800 \ud655\uc778\ud55c \ub2e4\uc74c \uc0c1\ub958 \uc7a5\ube44\ub294 \uacc4\uc18d \ud3d0\uc1c4\ub41c \uc0c1\ud0dc\ub85c \uc720\uc9c0\ud55c\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. \uac01 \ubcf4\ud638\uce35\uc5d0 \ub300\ud55c \uc2dc\uac04-\uc804\ub958 \uace1\uc120, \ud1b5\uacfc \uc5d0\ub108\uc9c0 \ubc0f \ub2e8\uc2dc\uac04 \ub0b4 \ub0b4\uc131\uc744 \ube44\uad50\ud569\ub2c8\ub2e4. \uad6c\uc131 \uac00\ub2a5\ud55c \ud2b8\ub9bd \uc720\ub2db\uc740 \ud53c\ub354\ub97c \ud558\ub2e8\uc5d0 \uc704\uce58\ud55c MCB\uc5d0\uc11c \ubd84\ub9ac\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc9c0\ub9cc, \uc870\uc815\uc73c\ub85c \ucda9\ubd84\ud55c \ucc28\ub2e8 \uc6a9\ub7c9\uc774\ub098 \uc18c\ud615 \ubc30\uc120\uc758 \uacb0\ud568\uc744 \ubcf4\uc644\ud560 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc2dc\uc6b4\uc804\uc740 \uc548\uc815\uc131 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ucc28\ub2e8\uae30 \uc2dd\ubcc4, \ud2b8\ub9ac\ud504 \ub2e4\uc774\uc5bc \uc704\uce58, \uacc4\uc0b0\ub41c \ud53c\ud0b9 \uac12, \ud1a0\ud06c \uac12 \ubc0f \ud14c\uc2a4\ud2b8 \uc7a5\ube44\ub97c \uae30\ub85d\ud569\ub2c8\ub2e4. \ud2b8\ub9bd \uc720\ub2db \uc9c0\uce68\uc5d0 \ud5c8\uc6a9\ub41c \uad50\uc815\ub41c \uae30\ubcf8 \ub610\ub294 \ubcf4\uc870 \uc8fc\uc785 \ud14c\uc2a4\ud2b8 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc8fc\uc694 \uc124\uc815 \ubcc0\uacbd \ud6c4 \ud14c\uc2a4\ud2b8\ub97c \ubc18\ubcf5\ud558\uc2ed\uc2dc\uc624. \uc774\ub7ec\ud55c \uae30\ub85d\uc740 \ubb38\uc81c \ud574\uacb0 \uc2dc\uac04\uc744 \ub2e8\ucd95\ud558\uace0 IEC 60364 \uac80\uc99d \uc808\ucc28\uc5d0 \ub530\ub978 \uae30\uacc4 \uc774\uad00\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uacb0\uc815 \ucc28\uc6d0<\/th>\n<th>\ucf64\ud329\ud2b8\ud55c MCCB \ubc29\uc2dd<\/th>\n<th>\uc7a0\uc7ac\uc801 \ub300\ub9bd\uc810<\/th>\n<th>\uc694\uccad\ud560 \uc99d\uac70<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ud328\ub110 \uacf5\uac04<\/td>\n<td>\ubcf4\ub2e4 \uc791\uc740 \uacf5\uac04\uacfc \ub354 \uc9e7\uc740 \ubc84\uc2a4 \uc6b4\ud589 \uc2dc\uac04<\/td>\n<td>\ucf00\uc774\ube14 \uad6c\ubd80\ub9ac\uae30\uc640 \uc5f4 \ubd84\uc0b0 \uacf5\uac04\uc774 \uc904\uc5b4\ub4e6<\/td>\n<td>\ub3c4\uba74\ub3c4, \ub2e8\uc790 \ubc30\uce58\ub3c4 \ubc0f \uacf5\ucc28 \ub370\uc774\ud130<\/td>\n<\/tr>\n<tr>\n<td>\ubcf4\ud638<\/td>\n<td>\ud55c \uc100\uc2dc\uc5d0 \uc788\ub294 \uc5f4-\uc790\uae30 \ub610\ub294 \uc804\uc790\uc2dd \ud2b8\ub9ac\ud504<\/td>\n<td>\uc124\uc815\uc740 \uc120\ud0dd\ub41c \ud504\ub808\uc784\uc5d0 \ub530\ub77c \uc81c\ud55c\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<td>\uc2dc\uac04-\uc804\ub958 \uace1\uc120 \ubc0f \uc124\uc815 \ubc94\uc704<\/td>\n<\/tr>\n<tr>\n<td>\ubd80\ud558 \uc758\ubb34<\/td>\n<td>I \uc120\uc5b8<sub>cu<\/sub>\/I<sub>cs<\/sub> \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud574\uc11c<\/td>\n<td>\ub354 \ub192\uc740 \uc624\ub958 \uc218\uc900\uc740 \ub354 \ud070 \ud504\ub808\uc784\uc774\ub098 \ud14c\uc2a4\ud2b8\ub41c \ubc31\uc5c5\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<td>\ubaa8\ub378 \uc218\uc900\uc758 \ud14c\uc2a4\ud2b8 \ubcf4\uace0\uc11c \ubc0f \uc870\uc815 \ud45c<\/td>\n<\/tr>\n<tr>\n<td>\ubcf4\uc218<\/td>\n<td>\uc2dc\uac01\uc801 \ud578\ub4e4\uacfc \uc561\uc138\uc11c\ub9ac\uac00 \uc788\ub294 \uc7ac\uc124\uc815 \uac00\ub2a5\ud55c \uae30\uae30<\/td>\n<td>\ubd80\uc801\uc808\ud55c \ud1a0\ud06c \ub610\ub294 \uba3c\uc9c0\uac00 \uc811\ucd09 \uc800\ud56d\uc744 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<td>\uc124\uce58 \uac00\uc774\ub4dc, \ud1a0\ud06c \uc77c\uc815 \ubc0f \uac80\uc0ac \uacc4\ud68d<\/td>\n<\/tr>\n<tr>\n<td>\ucd1d \ube44\uc6a9<\/td>\n<td>\uc801\uc808\ud558\uac8c \ud06c\uae30\ub97c \uc870\uc808\ud558\uba74 \uad6c\ub9ac \uc0ac\uc6a9\ub7c9, \ucf00\uc774\uc2a4 \ubd80\ud53c \ubc0f \uc778\uac74\ube44\uac00 \uc904\uc5b4\ub4ed\ub2c8\ub2e4.<\/td>\n<td>\ub370\ub808\uc774\ud305 \ub610\ub294 \uc120\ud0dd\uc131 \ubbf8\ud761 \uc2dc \uc7ac\uc791\uc5c5 \ube44\uc6a9\uc774 \uc0c1\uc2b9\ud569\ub2c8\ub2e4.<\/td>\n<td>\uc2b9\uc778\ub41c \uacc4\uc0b0 \ubc0f \uac00\ub3d9 \uc2dc\uc791 \uae30\ub85d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\ubcf4\uc870 \ubcf4\ud638 \uae30\ub2a5\uacfc \ubcc4\uac1c\ub85c \uc120\ud0dd\uc131\uc744 \ubd84\ub9ac\ud569\ub2c8\ub2e4.<\/h3>\n<p>\uc120\ud0dd\uc131\uc740 \uc815\ud574\uc9c4 \ubcf4\ud638\uce35\uc5d0 \uadf8 \uc601\ud5a5\uc744 \uc81c\ud55c\ud569\ub2c8\ub2e4; a <strong>\ud14c\uc2a4\ud2b8\ub41c \ubc31\uc5c5 \uc870\ud569<\/strong> \ud2b9\uc815 \ub2e8\ub77d \ubd80\ud558\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc774\ub294 \uc11c\ub85c \ub2e4\ub978 \uc694\uad6c\uc0ac\ud56d\uc785\ub2c8\ub2e4. \ubc31\uc5c5 \ubcf4\ud638\ub97c \uc704\ud574 \ud5c8\uc6a9\ub41c \uc870\ud569\uc740 \ub3d9\uc77c\ud55c \uc624\ub958 \uc218\uc900\uae4c\uc9c0\ub3c4 \uc790\ub3d9\uc73c\ub85c \uc120\ud0dd\uc801\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc815\ud655\ud55c \uc0c1\ub958 \ubc0f \ud558\ub958 \ucc38\uc870\uac12, \uc804\uc555, \uc2dc\ud5d8 \ud55c\uacc4 \ubc0f \uc81c\uc870\uc0ac \ud45c\ub97c \uae30\ub85d\ud558\uc5ec, \ub098\uc911\uc5d0 \uad50\uccb4\ud558\ub294 \uacbd\uc6b0 \uacc4\uc0b0\uc774 \uc790\ub3d9\uc73c\ub85c \ubb34\ud6a8\ud654\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<h2>\ucf64\ud329\ud2b8 MCCB \uc801\uc6a9 \ubd84\uc57c<\/h2>\n<p>\uc801\uc6a9 \uc870\uac74\uc740 \ucef4\ud329\ud2b8 \ud504\ub808\uc784\uc774 \uc720\ub9ac\ud55c\uc9c0 \uc5ec\ubd80\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \ub2e4\uc74c \ud45c\ub294 \ub9c8\ucf00\ud305 \uce74\ud14c\uace0\ub9ac\uc5d0 \uad6d\ud55c\ub418\uc9c0 \uc54a\uace0 \ud68c\ub85c\uc5d0 \ub530\ub77c \uacb0\uc815\ud558\ub294 \ubc29\uc2dd\uc744 \ub530\ub985\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc751\uc6a9<\/th>\n<th>\uc77c\ubc18\uc801\uc778 \uc124\uacc4 \uc9c8\ubb38<\/th>\n<th>\uc720\uc6a9\ud55c MCCB \uae30\ub2a5<\/th>\n<th>\ud504\ub85c\uc81d\ud2b8 \ud655\uc778<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>OEM \uae30\uacc4 \ud328\ub110<\/td>\n<td>\ubaa8\ud130\uc758 \uacfc\ubd80\ud558\uac00 \ubc29\ud574\ub418\ub294 \uc791\ub3d9\uc744 \uc720\ubc1c\ud560\uae4c\uc694?<\/td>\n<td>\uc81c\uacf5\ub418\ub294 \uc870\uc815 \uac00\ub2a5\ud55c \uc21c\uac04 \uc124\uc815 \ub610\ub294 \ub2e8\uc2dc\uac04 \uc124\uc815<\/td>\n<td>\ubaa8\ud130 \uc2dc\ub3d9 \uace1\uc120, \uc81c\uc5b4 \uc804\uc555 \ubc0f \uc778\ud074\ub85c\uc800 \uc628\ub3c4<\/td>\n<\/tr>\n<tr>\n<td>\uc0c1\uc5c5\uc801 \ubc30\ud3ec \ubcf4\ub4dc<\/td>\n<td>\ud558\ub958\uc758 \uacb0\ud568\uc774 \uc9c0\uc5ed\uc801 \uc218\uc900\uc5d0\uc11c\ub9cc \uc9c0\uc18d\ub420 \uc218 \uc788\ub294\uac00?<\/td>\n<td>\uc5f0\ub3d9 \uce5c\ud654\uc801\uc778 \uc5ec\ud589 \uace1\uc120 \ubc0f \ubcf4\uc870 \uc811\uc810<\/td>\n<td>\uc120\ubcc4\uc131 \uc5f0\uad6c \ubc0f \ud604\uc9c0 \uc124\uce58 \uaddc\uc815<\/td>\n<\/tr>\n<tr>\n<td>\ud0dc\uc591\uad11 \ud328\ub110 \ub610\ub294 \ubc30\ud130\ub9ac \uacf5\uae09 \uc7a5\uce58<\/td>\n<td>\uc774 \uc7a5\uce58\ub294 DC \uc804\uc555\uacfc \uadf9\uc131\uc744 \ud14c\uc2a4\ud2b8\ub418\uc5c8\uc2b5\ub2c8\uae4c?<\/td>\n<td>DC \uc0ac\uc6a9\ub7c9, \ud3f4 \uc2dc\ub9ac\uc988 \ubc30\uc5f4 \ubc0f DC I<sub>cu<\/sub><\/td>\n<td>IEC 60947-2 \ub370\uc774\ud130, \uc5b4\ub808\uc774 \ub610\ub294 \ubc30\ud130\ub9ac \uacb0\ud568 \uc5f0\uad6c<\/td>\n<\/tr>\n<tr>\n<td>\ud504\ub85c\uc138\uc2a4 \uc5c5\uadf8\ub808\uc774\ub4dc<\/td>\n<td>\ubbf8\ub798\uc758 \ubd80\ud558 \uc99d\uac00\ub97c \uc218\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/td>\n<td>\ud5c8\uc6a9\ub41c \ubc94\uc704 \ub0b4\uc5d0\uc11c \uc870\uc808 \uac00\ub2a5\ud55c \uc7a5\uc2dc\uac04 \ud53d\uc5c5 \uae30\ub2a5<\/td>\n<td>\ud655\uc7a5 \ud6c4 \ucf00\uc774\ube14 \uc6a9\ub7c9, \uc5f4 \ubc0f \uacb0\ud568 \uc218\uc900\uc744 \ub2e4\uc2dc \ud655\uc778\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure class=\"article-image\" style=\"margin:1em 0;\">\n<img decoding=\"async\" alt=\"\ub4f1\uae09 \ubc0f \ub2e8\uc790 \uac80\uc0ac\ub97c \ud568\uaed8 \uc81c\uacf5\ud558\ub294 MCCB \uc804\uba74\ub3c4\" loading=\"lazy\" src=\"https:\/\/w9-group.com\/wp-content\/uploads\/2026\/07\/wlm6rt-800a-3300-3p-wlm6rt-series-molded-case-circuit-breaker-breaker-40-gallery-17.webp\" style=\"display:block;width:50%;max-width:50%;height:auto;margin:0 auto;\"\/><figcaption>MCCB\uc758 \uc804\uba74 \ubaa8\uc2b5\uacfc \ub4f1\uae09 \ubc0f \ub2e8\uc790 \uac80\uc0ac \ub3d9\ubd09.<\/figcaption><\/figure>\n<p>\uacf5\uae09\uc5d0 \uc788\uc5b4 \ube44\uad50\ud558\uc138\uc694 <strong>\ucd1d \uc124\uce58 \ube44\uc6a9<\/strong> \ub3d9\uc77c\ud55c \ubc94\uc704\uc5d0\uc11c \uc0ac\uc6a9: \ucc28\ub2e8\uae30, \ub2e8\uc790, \ucf00\uc774\uc2a4, \ub3c4\uccb4 \ubc30\uc5f4, \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1, \ud14c\uc2a4\ud2b8 \ubc0f \uc720\uc9c0\ubcf4\uc218 \uc811\uadfc. \ubcf4\ub2e4 \uc791\uc740 \uc7a5\uce58\uc5d0\uc11c \uc800\ub834\ud55c \uac00\uaca9\uc744 \uc608\uc57d\ud558\uae30 \uc804\uc5d0, \ud574\ub2f9 \uc7a5\uce58\uc758 \uc628\ub3c4 \uc0c1\uc2b9\uacfc \ubc30\uc120 \uad6c\uc870\uac00 \uc2b9\uc778\ub420 \ub54c\uae4c\uc9c0\ub294 \uc608\uc57d\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc804\uc790\uc2dd \uc5ec\ud589 \uc635\uc158\uc774 \uc81c\uc548\ub418\ub294 \uacbd\uc6b0, \ub514\uc2a4\ud50c\ub808\uc774, \ud1b5\uc2e0 \ub610\ub294 \ud14c\uc2a4\ud2b8\uc5d0 \ud544\uc694\ud55c \ubaa8\ub4e0 \ubcf4\uc870 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uc640\ub294 \ubcc4\ub3c4\ub85c \uc790\uccb4 \uc804\uc6d0\uc744 \uacf5\uae09\ud558\ub294 \ubcf4\ud638 \uc7a5\uce58\ub97c \uad6c\ubcc4\ud558\uc2ed\uc2dc\uc624. \uc804\uc6d0 \uc694\uad6c \uc0ac\ud56d\uc740 \ubaa8\ub378\ubcc4\ub85c \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<h2>\ucf64\ud329\ud2b8 MCCB\uc758 \uaddc\uc815 \uc900\uc218 \uc694\uac74<\/h2>\n<p>IEC 60947-2\ub294 \uc2a4\uc704\uce58 \uc7a5\uce58 \ubc0f \uc81c\uc5b4 \uc7a5\uce58\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc800\uc804\uc555 \ud68c\ub85c \ucc28\ub2e8\uae30\ub97c \uaddc\uc815\ud558\uba70, \uc131\ub2a5 \ud2b9\uc131 \ubc0f \uc720\ud615 \uc2dc\ud5d8\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. IEC 60947-1\uc740 \uc77c\ubc18\uc801\uc778 \uc815\uc758\uc640 \uc77c\ubc18\uc801\uc778 \uaddc\uc815\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc124\uce58 \uc124\uacc4\uc5d0 \uc788\uc5b4\uc11c IEC 60364-4-43\uc740 \uacfc\uc804\ub958 \ubc29\uc9c0 \uae30\ub2a5\uc744 \ub2e4\ub8f9\ub2c8\ub2e4. \ubbf8\uad6d\uc5d0\uc11c\ub294 UL 489\uac00 \uc801\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/w9-group.com\/ko\/blog\/mccb-%eb%aa%b0%eb%93%9c-%ec%bc%80%ec%9d%b4%ec%8a%a4-%ed%9a%8c%eb%a1%9c-%ec%b0%a8%eb%8b%a8%ea%b8%b0\/\">\ubab0\ub4dc \ucf00\uc774\uc2a4 \ud68c\ub85c \ucc28\ub2e8\uae30<\/a>s\ub294 NFPA 70(\uad6d\uac00 \uc804\uae30 \uaddc\uc815)\uc774 \uc124\uce58\ub97c \uaddc\uc81c\ud558\uc9c0\ub9cc, \uc774\ub294 \ub2e4\ub978 \uaddc\uc815 \uc900\uc218 \uacbd\ub85c\uc785\ub2c8\ub2e4.<\/p>\n<p>\ud45c\uc900 \ucc38\uc870\ub294 \uc804\uba74\uc801\uc778 \uc778\uc99d\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc815\ud655\ud55c \ud504\ub808\uc784, \ud2b8\ub9ac\ud504 \uc720\ub2db \ubc0f \uc561\uc138\uc11c\ub9ac \uc870\ud569, \ud574\ub2f9 \ubc84\uc804, \uc120\uc5b8\uc11c, \uc2dc\ud5d8 \ubcf4\uace0\uc11c, \uc628\ub3c4 \uc0c1\uc2b9 \ub370\uc774\ud130 \ubc0f \ubc30\uc120\ub3c4\ub97c \uc694\uccad\ud558\uc2ed\uc2dc\uc624. \uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \uc8fc\uc7a5\uc740 \uac80\uc0ac\ub97c \uc9c0\uc5f0\uc2dc\ud0ac \uc218 \uc788\uace0, \ud328\ub110 \ubaa9\ub85d\uc744 \ubb34\ud6a8\ud654\ud558\uac70\ub098 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \ud604\uc7a5 \uad50\uccb4\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub3c4\ucc29 \uc2dc\uc7a5, \ucd5c\uc885 \uc0ac\uc6a9\ucc98 \ubc0f \uad00\ud560 \uae30\uad00\uc774 \uc5b4\ub5a4 \uc11c\ub958\uac00 \ud544\uc694\ud55c\uc9c0\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<figure class=\"article-image\" style=\"margin:1em 0;\">\n<img decoding=\"async\" alt=\"\uc2dc\uc6b4\uc804 \ub17c\uc758\uc5d0 \ub3d9\ubd09\ub41c \uc870\uc815 \uac00\ub2a5\ud55c MCCB \ucc38\uc870 \uc774\ubbf8\uc9c0\ub97c \ud655\uc778\ud558\uc138\uc694.\" loading=\"lazy\" src=\"https:\/\/w9-group.com\/wp-content\/uploads\/2026\/07\/adjustable-mccb-csdm7r-800l-3300-3p-csdm7r-series-molded-case-circuit-br-gallery-01.webp\" style=\"display:block;width:50%;max-width:50%;height:auto;margin:0 auto;\"\/><figcaption>\uc2dc\uc6b4\uc804 \ub17c\uc758\uc5d0 \ub3d9\ubd09\ub41c \uc870\uc815 \uac00\ub2a5\ud55c MCCB \ucc38\uc870 \uc774\ubbf8\uc9c0.<\/figcaption><\/figure>\n<h2>\ucf64\ud329\ud2b8 MCCB \uc870\ub2ec \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n<ol>\n<li>\uc77c\uc790\ud615 \ub2e4\uc774\uc5b4\uadf8\ub7a8, \ub85c\ub4dc \uc2a4\ucf00\uc904, \ub3c4\uccb4 \ud06c\uae30, \uc8fc\ubcc0 \uc870\uac74 \ubc0f \uc7a0\uc7ac\uc801\uc778 \uacfc\ubd80\ud558 \uc804\ub958\ub97c \ub3d9\uacb0\ud569\ub2c8\ub2e4.<\/li>\n<li>AC \ub610\ub294 DC \ubd80\ud558, \uadf9, U \uc120\ud0dd<sub>e<\/sub>, I<sub>n<\/sub>, I<sub>cu<\/sub>\/I<sub>cs<\/sub> \uadf8\ub9ac\uace0 \ubaa8\ub378 \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc5ec\ud589 \uae30\uc220.<\/li>\n<li>\ud328\ub110 \ub808\uc774\uc544\uc6c3\uc744 \ucd9c\uc2dc\ud558\uae30 \uc804\uc5d0 \uce58\uc218, \ub2e8\uc790, \ud06c\ub9ac\ud504 \uac70\ub9ac, \uc561\uc138\uc11c\ub9ac \ubc30\uc120 \ubc0f \uc778\ud074\ub85c\uc800\uc758 \uc5f4\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li>\uc81c\uc870\uc0ac\uc758 \uace1\uc120\uc5d0 \ub530\ub978 \uad6c\ub3d9 \uc870\uc815 \ubc0f \ubc31\uc5c5 \uac80\uc0ac; \ubb38\uc11c \uc124\uc815 \ubc0f \ud14c\uc2a4\ud2b8 \ud55c\uacc4 \uc124\uc815.<\/li>\n<li>\uce21\uc815\ub41c \uc7a5\ube44\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc810\uac80\ud558\uace0 \uc720\uc9c0 \ubcf4\uc218\ub97c \uc704\ud574 \uae30\ub85d\uc744 \uadf8\ub300\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>W9 \uadf8\ub8f9\uc740 MCCB \ubc0f \uae30\ud0c0 \uc800\uc804\uc555 \ubcf4\ud638 \uc81c\ud488\uad70\uc744 \ubaa9\ub85d\uc73c\ub85c \uc81c\uc2dc\ud569\ub2c8\ub2e4. <a href=\"https:\/\/w9-group.com\/ko\/product\/wlm6rt-400a-3300-3p-wlm6rt-series-400vac-thermal-magnetic-type-moulded-case-circuit-breaker-400v-690v-mccb-400a-3-poles-adjustable-mccb\/\">WLM6RT MCCB \uc81c\ud488 \ud398\uc774\uc9c0<\/a> \uc81c\uc548\ub41c \uad6c\uc131 \uc694\uc18c\ub97c \uc2dd\ubcc4\ud558\ub294 \ucd9c\ubc1c\uc810\uc774 \ub429\ub2c8\ub2e4. \ud328\ub110 \ubc30\uce58 \ub610\ub294 \uad50\uccb4 \uc2b9\uc778\uc744 \ud558\uae30 \uc804\uc5d0 \ud574\ub2f9 \ud328\ub110\uc758 \ud604\uc7ac \ub3c4\uba74, \ud2b8\ub9bd \uace1\uc120, \ub4f1\uae09\ud45c \ubc0f \uc124\uce58 \uc870\uac74\uc5d0 \ub300\ud574 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624.<\/p>\n<section id=\"faq\">\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3>\ucef4\ud329\ud2b8 MCCB\ub780 \ubb34\uc5c7\uc778\uac00?<\/h3>\n<p>\uc774\ub294 \uc0c1\ub300\uc801\uc73c\ub85c \uc791\uc740 \ud504\ub808\uc784\uc5d0\uc11c \uc2a4\uc704\uce6d \ubc0f \uacfc\uc804\ub958 \ucc28\ub2e8 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \ubab0\ub4dc \ucf00\uc774\uc2a4 \ubc29\uc2dd\uc758 \ucc28\ub2e8\uae30\uc785\ub2c8\ub2e4. \u201cCompact\u201d\ub294 \uc804\uc555 \ub610\ub294 \uacfc\uc804\ub958 \ub4f1\uae09\uc774 \uc544\ub2cc \ubb3c\ub9ac\uc801 \ud615\uc2dd\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc124\uce58 \uc2dc \ubaa8\ub378\uc758 \uc120\uc5b8\ub41c \ub4f1\uae09 \ubc0f \ud5c8\uc6a9 \uc624\ucc28\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\ucef4\ud329\ud2b8\ud55c MCCB\ub294 \uc0b0\uc5c5\uc6a9 \ud53c\ub354\uc5d0 \uc801\ud569\ud55c\uac00\uc694?<\/h3>\n<p>\uc804\uc555, \ubd80\ud558, \uacfc\ubd80\ud558, \uc628\ub3c4 \ubc0f \uc870\uc728\uc774 \uc81c\uc870\uc5c5\uccb4\uc758 \ud14c\uc2a4\ud2b8 \uae30\uc900\uc5d0 \ubd80\ud569\ud558\ub294 \uacbd\uc6b0\uc5d0\ub9cc \ud574\ub2f9\ub429\ub2c8\ub2e4. \ucef4\ud329\ud2b8\ud55c \ucf00\uc774\uc2a4\uac00 \uc5f4\uc801\uc73c\ub85c \uacfc\ubd80\ud558\ub418\uc5c8\uac70\ub098 \ucc28\ub2e8\uae30\uc758 I\uac12\uc774 \ucd08\uacfc\ub418\uba74 \uc2e0\ub8b0\uc131\uc740 \ube60\ub974\uac8c \uc800\ud558\ub429\ub2c8\ub2e4.<sub>cu<\/sub> \uc774\ub294 \uc7a0\uc7ac\uc801 \uacfc\ubd80\ud558 \uc804\ub958\ubcf4\ub2e4 \ub0ae\uc2b5\ub2c8\ub2e4. \uc124\uce58\ub41c \uad6c\uc131\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ubaa8\ud130\uc6a9 MCCB\ub97c \uc5b4\ub5bb\uac8c \uc120\ud0dd\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n<p>\uc2e4\ud589 \uc804\ub958, \uc2dc\uc791 \uc804\ub958, \ub3c4\uccb4 \uc804\ub958 \uc6a9\ub7c9 \ubc0f \uc7a0\uc7ac\uc801 \uacb0\ud568 \uc804\ub958\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc5ec\uc804\ud788 \ubd88\ud3b8\ud55c \uc791\ub3d9\uc744 \ubc29\uc9c0\ud558\ub294 \ud2b8\ub9bd \ucee4\ube0c\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \ucee8\ub355\ud130\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4. \ubaa8\ud130 \uc81c\uc870\uc5c5\uccb4\uc758 \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud558\uace0 \ud558\ubd80 \uc7a5\uce58\uc640\uc758 \ud638\ud658\uc131\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uc9c0\uc5ed \ucf54\ub4dc \ubc0f \uc124\uce58 \ubc29\ubc95\uc740 \uacb0\uacfc\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>AC MCCB\ub97c DC \ud68c\ub85c\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n<p>\uc815\ud655\ud55c \uc7a5\uce58\ub97c DC \uc804\uc555, \uadf9\uc131 \ubc0f \uadf9 \ubc30\uc5f4\uc5d0 \ub300\ud574 \ud14c\uc2a4\ud2b8\ud558\uace0 \ud45c\uae30\ud574\uc57c \ud569\ub2c8\ub2e4. DC \uc544\ud06c\ub294 AC \uc544\ud06c\uc640 \uac19\uc740 \uc790\uc5f0\uc801\uc778 \uc81c\ub85c \ud06c\ub85c\uc2f1\uc744 \uac00\uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. AC \uce74\ud0c8\ub85c\uadf8\uc758 \uc5f4\uc5d0 \uc5c6\ub294 \uc81c\uc870\uc0ac\uc758 DC \ub4f1\uae09\ud45c\uc640 \ubc30\uc120\ub3c4\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uad6c\ub9e4\uc790\ub294 \uc5b4\ub5a4 \uc11c\ub958\ub97c \uc694\uccad\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n<p>\ub370\uc774\ud130\uc2dc\ud2b8, \uac1c\uc694 \ubc0f \ub2e8\uc790\ub3c4\uba74, \ud2b8\ub9bd \ucee4\ube0c, I<sub>cu<\/sub>\/I<sub>cs<\/sub> \uc99d\uac70 \uc790\ub8cc, \uc628\ub3c4 \uc800\uac10 \uc815\ubcf4, \ubd80\uc18d\ud488 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \ubc0f \ud574\ub2f9 \uc120\uc5b8 \ub610\ub294 \uc778\uc99d\uc11c. \ubaa8\ub378 \ubc88\ud638\uc640 \ud45c\uc900 \uc5d0\ub514\uc158\uc774 \ud504\ub85c\uc81d\ud2b8\uc640 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \ucd5c\uc885 \uc124\uc815 \ubc0f \ud14c\uc2a4\ud2b8 \uae30\ub85d\uc744 \ud328\ub110 \ud30c\uc77c\uc5d0 \ubcf4\uad00\ud558\uc138\uc694.<\/p>\n<\/section>\n<h2>\ucc38\uace0\ubb38\ud5cc<\/h2>\n<ol>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66277\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60947-2:2024 \u2014 \ud68c\ub85c \ucc28\ub2e8\uae30 \uc81c\ud488 \ubc94\uc704<\/a>. \uacf5\uac1c \ubc94\uc704 \ubc0f \uc9c0\uce68 \ud655\uc778 2026-10-19.<\/li>\n<li><a href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.303\" rel=\"nofollow noopener\" target=\"_blank\">OSHA 1910.303 \u2014 \ubc30\uc120 \uacf5\uac04, \ub0c9\uac01 \ubc0f \ucc28\ub2e8 \ub4f1\uae09<\/a>. \uacf5\uac1c \ubc94\uc704 \ubc0f \uc9c0\uce68 \ud655\uc778 2026-10-19.<\/li>\n<li><a href=\"https:\/\/www.se.com\/us\/en\/download\/document\/0600IB1201\/\" rel=\"nofollow noopener\" target=\"_blank\">\uc288\ub098\uc774\ub354 \uc77c\ub809\ud2b8\ub9ad 0600IB1201 \u2014 \uc5f4-\uc790\uae30 \ubc0f \uc804\uc790 \ud2b8\ub9bd \ud544\ub4dc \ud14c\uc2a4\ud2b8<\/a>. \uacf5\uac1c \ubc94\uc704 \ubc0f \uc9c0\uce68 \ud655\uc778 2026-10-19.<\/li>\n<\/ol>\n<p>\uc774 \ucc28\uc774\ub294 \uc120\ubc18\uc5d0 \uc788\ub294 \uac00\uc7a5 \uc791\uc740 \ud504\ub808\uc784\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ubc14\ub85c \uac00\uce58 \ud3c9\uac00, \uad00\ub9ac\uc790 \ubc0f \ud611\uc5c5\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \uaddc\uc728\uc785\ub2c8\ub2e4. W9 Group\uc758 \uc800\uc804\uc555 \ubcf4\ud638 \uc81c\ud488\uc744 \uac80\ud1a0\ud558\uace0, \ubb38\uc11c\ud654\ub41c MCCB \uad6c\uc131\uacfc \uc77c\ub828\uc758 \uc120\ub3c4\ub97c \ube44\uad50\ud574 \ubcf4\uc138\uc694. <a href=\"https:\/\/w9-group.com\/ko\/contact-us\/\">W9 \ud300\uc5d0 \ubb38\uc758\ud558\uc138\uc694<\/a> \ub85c\ub4dc \uc2a4\ucf00\uc904\uacfc \ubaa9\uc801\uc9c0 \ud45c\uc900\uc774 \ud655\uc815\ub418\uae30 \uc804\ubd80\ud130 \uc870\ub2ec\uc774 \uc9c4\ud589\ub429\ub2c8\ub2e4.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>IEC 60947-2, \uacb0\ud568 \ubd84\uc11d, \ud611\uc5c5 \ubc0f \ubb38\uc11c\ud654\ub41c \uc2dc\uc6b4\uc804\uc744 \uae30\ubc18\uc73c\ub85c \uc800\uc804\uc555 \uc2dc\uc2a4\ud15c\uc5d0 \uc801\ud569\ud55c \ucef4\ud329\ud2b8\ud558\uace0 \uc548\uc815\uc801\uc778 MCCB\ub97c \uc9c0\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":3719,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"_links":{"self":[{"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/posts\/3540","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/comments?post=3540"}],"version-history":[{"count":3,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/posts\/3540\/revisions"}],"predecessor-version":[{"id":4602,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/posts\/3540\/revisions\/4602"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/media\/3719"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/media?parent=3540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/categories?post=3540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/w9-group.com\/ko\/wp-json\/wp\/v2\/tags?post=3540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}