{"id":1803,"date":"2026-09-27T06:41:13","date_gmt":"2026-09-27T06:41:13","guid":{"rendered":"https:\/\/ritoks.com\/?p=1803"},"modified":"2026-10-05T15:32:39","modified_gmt":"2026-10-05T15:32:39","slug":"dc-mccb-pole-connection-voltage-verification","status":"publish","type":"post","link":"https:\/\/ritoks.com\/ko\/dc-mccb-pole-connection-voltage-verification\/","title":{"rendered":"DC MCCB \uadf9 \uc5f0\uacb0 \ubc0f \uc2dc\uc2a4\ud15c \uc804\uc555 \ud655\uc778"},"content":{"rendered":"<p class=\"wp-block-paragraph\">DC \ubab0\ub4dc \ucf00\uc774\uc2a4 \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \uadf9\uc758 \uc5f0\uacb0 \ubc29\uc2dd\uc5d0 \ub530\ub77c \uc5ec\ub7ec \uac00\uc9c0 \uc815\uaca9 \uc804\uc555\uc744 \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uad6c\ub9e4\uc790\ub294 \uce74\ud0c8\ub85c\uadf8\uc5d0 \uae30\uc7ac\ub41c \ucd5c\uace0 \uc804\uc555 \uac12\uc744 \uadf8\ub300\ub85c \uac00\uc838\uc640 \ub2e4\ub978 \ub2e8\uc790 \uc5f0\uacb0 \ubc29\uc2dd\uc5d0\ub3c4 \uc801\uc6a9\ub41c\ub2e4\uace0 \uac00\uc815\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc815\ud655\ud55c \uc5f0\uacb0 \ub3c4\uba74, \uc2dc\uc2a4\ud15c \uc811\uc9c0 \ubc29\uc2dd \ubc0f \uace0\uc7a5 \uc804\ub958 \uacbd\ub85c\ub97c \uc885\ud569\uc801\uc73c\ub85c \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p class=\"wp-block-paragraph\">\uc774 \uc548\ub0b4\uc11c\ub294 DC MCCB\uc5d0 \ub300\ud55c \uc81c\uc870\uc5c5\uccb4\uc758 \uadf9 \uc5f0\uacb0 \uad00\ub828 \uc790\ub8cc\ub97c \ud574\uc11d\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. \uc774 \ubb38\uc11c\ub294 \uac80\uc99d\ub418\uc9c0 \uc54a\uc740 \ubaa8\ub378\uc5d0 \ub300\ud55c \ubc30\uc120 \uc9c0\uce68\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ucd5c\uc885 \uc2b9\uc778\uc744 \ubc1b\uc73c\ub824\uba74 \ud504\ub85c\uc81d\ud2b8 \ub2e8\uc120\ub3c4, \uc608\uc0c1 \uace0\uc7a5 \ubd84\uc11d \uacb0\uacfc, \uadf8\ub9ac\uace0 \uc815\ud655\ud55c \uc8fc\ubb38 \ucf54\ub4dc\uc5d0 \ud574\ub2f9\ud558\ub294 \ucd5c\uc2e0 \uc124\uce58 \uc124\uba85\uc11c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\">\ud3f4 \uc5f0\uacb0\uc774 \uc65c DC \uc815\uaca9\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\ub294\uac00<\/h2>\n<p class=\"wp-block-paragraph\">Interrupting direct current is different from interrupting AC because the current does not naturally cross zero every cycle. Some MCCB designs use more than one pole in series along a current path to achieve a documented voltage capability. Schneider Electric&#8217;s DC MCCB documentation shows examples of series and parallel pole connections; those are product-specific schemes, not general permission to rewire another breaker.<\/p>\n<p class=\"wp-block-paragraph\">\uc911\uc694\ud55c \uc810\uc740 \uc7a5\uce58 \uc804\uccb4\ub97c \ud1b5\uacfc\ud558\ub294 \uc804\ub958 \uacbd\ub85c\uc785\ub2c8\ub2e4. 2\uadf9, 3\uadf9 \ub610\ub294 4\uadf9\uc73c\ub85c \uad6c\uc131\ub41c \ucc28\ub2e8\uae30 \ubcf8\uccb4\uc758 \uadf9\uc740 \ub3c4\uccb4\uc5d0 \ubd84\uc0b0\ub418\uc5b4 \uc788\uac70\ub098 \uc9c1\ub82c\ub85c \uc5f0\uacb0\ub418\uc5b4 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc804\uba74 \ub77c\ubca8\uc5d0 \ud45c\uae30\ub41c \uadf9 \uc218\ub9cc\uc73c\ub85c\ub294 \uc804\uccb4 \uc2dc\uc2a4\ud15c \uc804\uc555 \uc815\uaca9\uc774\ub098 \uc808\uc5f0 \ud2b9\uc131\uc744 \ud30c\uc545\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"wp-block-paragraph\">Ask which rating table applies to the proposed wiring, including rated operational voltage, breaking capacity and continuous current. A \u201cper pole\u201d voltage description may help explain the design but should not be multiplied by the buyer to invent a new device rating. Use only the manufacturer&#8217;s stated complete-device rating for the exact configuration.<\/p>\n<h2 class=\"wp-block-heading\">\uc2dc\uc2a4\ud15c \ub2e8\uc120\ub3c4\ubd80\ud130 \uc2dc\uc791\ud558\uc2ed\uc2dc\uc624.<\/h2>\n<p class=\"wp-block-paragraph\">\uc9c1\ub958 \uc804\uc6d0, \ubd80\ud558, \uc591\uadf9 \ubc0f \uc74c\uadf9 \ub3c4\uccb4, \uc811\uc9c0\uc810, \uadf8\ub9ac\uace0 \uace0\uc7a5\uc774 \uc720\uc785\ub420 \uc218 \uc788\ub294 \ubaa8\ub4e0 \uacbd\ub85c\ub97c \ud45c\uc2dc\ud558\uc2ed\uc2dc\uc624. \uc815\uc0c1 \ubc0f \uc720\uc9c0\ubcf4\uc218 \uc2dc\uc758 \uc2a4\uc704\uce6d \uc0c1\ud0dc\ub3c4 \ud3ec\ud568\ud558\uc2ed\uc2dc\uc624. \uc11c\ub85c \ubc18\ub300\ud3b8\uc5d0 \uc5f0\uacb0\ub41c \ubc30\ud130\ub9ac\uc640 \ubcc0\ud658\uae30\ub294 \ucda9\uc804, \ubc29\uc804 \ubc0f \uace0\uc7a5 \uc0c1\ud0dc\uc5d0\uc11c \uc11c\ub85c \ub2e4\ub978 \uc804\ub958 \ubc29\ud5a5\uc744 \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"wp-block-paragraph\">MCCB \uc124\uce58 \uc704\uce58\uc5d0\uc11c \ucda9\uc804 \ub610\ub294 \uc6b4\uc804 \uadf9\ud55c \uc870\uac74\uc744 \ud3ec\ud568\ud558\uc5ec \ucd5c\ub300 \uad00\ub828 \uc804\uc555\uc744 \uc0b0\uc815\ud558\uc2ed\uc2dc\uc624. \ub2e4\ub978 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc0c1\ud0dc\uac00 \ub354 \ub192\uc740 \uacbd\uc6b0, \uacf5\uce6d \ubc84\uc2a4 \uc804\uc555\ub9cc\uc744 \uae30\uc900\uc73c\ub85c \uc0bc\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ud574\ub2f9 \uc704\uce58\uc758 \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958\uc640 \uadf8 \uadfc\uac70\uac00 \ub418\ub294 \uac00\uc815\uc744 \uae30\ub85d\ud558\uc2ed\uc2dc\uc624. \uc120\uc815\ub41c \ucc28\ub2e8\uae30\ub294 \ub3d9\uc77c\ud55c \uc804\uc555 \ubc0f \uc5f0\uacb0 \uae30\uc900\uc5d0\uc11c \ucc28\ub2e8 \ub2a5\ub825\uc774 \ubb38\uc11c\ud654\ub418\uc5b4 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p class=\"wp-block-paragraph\">\ubcf4\ud638 \ubc0f \uc808\uc5f0\uc744 \uc704\ud574 \uc5b4\ub5a4 \ub3c4\uccb4\ub97c \uac1c\ubc29\ud574\uc57c \ud558\ub294\uc9c0 \uba85\ud655\ud788 \ud574\uc57c \ud569\ub2c8\ub2e4. \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uac01 \uadf9 \uacbd\ub85c\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uace0\uc7a5 \uc720\ud615\uacfc \uc804\uc555\uc774 \uc808\uc5f0 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0\uc640 \ub2e4\ub97c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc81c\uc870\uc5c5\uccb4\uac00 \uc81c\uacf5\ud55c \uc801\uc6a9 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \ub2e8\uc21c\ud788 \uc678\uad00\uc0c1 \ube44\uc2b7\ud574 \ubcf4\uc774\ub294 \uac83\ubfd0\ub9cc \uc544\ub2c8\ub77c, \ud504\ub85c\uc81d\ud2b8\uc758 \ud1a0\ud3f4\ub85c\uc9c0\uc640 \uc815\ud655\ud788 \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<figure data-spectra-id=\"spectra-e70a5d05-65e2-46d8-bc97-5394b1a4de68\" class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"1050\" width=\"1400\" src=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-01.webp\" alt=\"\uc804\uc6d0, \ubd80\ud558 \ubc0f \uc811\uc9c0 \uc2dc\uc2a4\ud15c\uacfc \uc815\ub82c\ub41c DC MCCB \uadf9 \uacbd\ub85c \ub3c4\uba74\" class=\"wp-image-1801\" srcset=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-01.webp 1400w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-01-300x225.webp 300w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-01-1024x768.webp 1024w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-01-768x576.webp 768w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-01-600x450.webp 600w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><figcaption class=\"wp-element-caption\">\ud504\ub85c\uc81d\ud2b8 \ub2e8\uc120\ub3c4\uc640 \ub300\uc870\ud558\uc5ec \ubaa8\ub4e0 \ub3c4\uccb4\uc640 \uc9c1\ub82c \uadf9\uc744 \uc77c\uc77c\uc774 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">\ub3c4\uba74\uc744 \ub2e8\uc790 \ud558\ub098\ud558\ub098 \uaf3c\uaf3c\ud788 \uc0b4\ud3b4\ubcf4\uc138\uc694.<\/h2>\n<p class=\"wp-block-paragraph\">\uc815\ud655\ud55c MCCB \ubaa8\ub378, \ud504\ub808\uc784, \uadf9 \uc218 \ubc0f \ubd80\uc18d\ud488 \ubc30\uce58\ub97c \ud655\uc778\ud558\uae30 \uc704\ud574 \uc81c\uc870\uc5c5\uccb4 \ub3c4\uba74\uc744 \uc785\uc218\ud558\uc2ed\uc2dc\uc624. \uc120\ub85c \ub2e8\uc790\uc640 \ubd80\ud558 \ub2e8\uc790, \uadf9\uc131 \ud45c\uc2dc, \uc2b9\uc778\ub41c \ube0c\ub9ac\uc9c0\ub97c \ud655\uc778\ud558\uace0, \uc5b4\ub5a4 \uadf9\ub4e4\uc774 \uc5f0\uacb0\ub418\uc5b4 \uc788\ub294\uc9c0 \ud30c\uc545\ud558\uc2ed\uc2dc\uc624. \uc77c\ubd80 \uc5f0\uacb0\ubd80\ub294 \uacf5\uc7a5\uc5d0\uc11c \ubbf8\ub9ac \uc81c\uacf5\ub420 \uc218 \uc788\uc9c0\ub9cc, \ub2e4\ub978 \uc5f0\uacb0\ubd80\ub294 \ud2b9\uc815 \uc2b9\uc778\ub41c \uc5f0\uacb0 \uc7a5\uce58\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc81c\uc870\uc5c5\uccb4 \ubb38\uc11c \ubc0f \ud504\ub85c\uc81d\ud2b8 \uc124\uacc4\uc5d0\uc11c \ud5c8\uc6a9\ud558\ub294 \uacbd\uc6b0\ub97c \uc81c\uc678\ud558\uace0\ub294 \ud604\uc7a5\uc5d0\uc11c \uc81c\uc791\ud55c \ube0c\ub9ac\uc9c0\ub97c \ub300\uccb4\ud558\uc5ec \uc0ac\uc6a9\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n<p class=\"wp-block-paragraph\">\uc870\ub2ec \uc804\uacfc \uc124\uce58 \ud6c4\uc758 \uc870\ub9bd \ub3c4\uba74\uc744 \ub3c4\uc2dd\uacfc \ub300\uc870\ud574 \ubcf4\uc2ed\uc2dc\uc624. \uc804\uc6d0\/\ubd80\ud558 \uc5ed\uc804, \uc9c1\ub82c \uc5f0\uacb0\ubd80\uc758 \ub204\ub77d \ub610\ub294 \uc811\uc9c0 \ub3c4\uccb4\uc758 \uc704\uce58 \ubcc0\uacbd\uc740 \uac00\uc815\ub41c \uc815\uaca9 \uac12\uc744 \ubb34\ud6a8\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc815\uc0c1 \uc791\ub3d9 \uc2dc\uc5d0\ub294 \uc774\ub7ec\ud55c \ubb38\uc81c\uac00 \ub4dc\ub7ec\ub098\uc9c0 \uc54a\uc744 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uace0\uc7a5 \ubc1c\uc0dd \uc2dc, \uc989 \uc989\ud765\uc801\uc778 \ub300\ucc98\uac00 \uc774\ubbf8 \ub2a6\uc5b4\ubc84\ub9b0 \uc0c1\ud669\uc5d0\uc11c\uc57c\ub9d0\ub85c \ud575\uc2ec\uc801\uc778 \uc131\ub2a5\uc774 \uc694\uad6c\ub429\ub2c8\ub2e4.<\/p>\n<p class=\"wp-block-paragraph\">\ub3c4\uba74\uc774 \uc694\uad6c\ub418\ub294 \uc815\uaca9 \uc804\uc555 \ubc0f \uace0\uc7a5 \uc791\ub3d9 \uc870\uac74\uc5d0 \ubd80\ud569\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \ud558\ub098\uc758 \uc81c\ud488\uad70\uc5d0 \ub300\ud574 \uc11c\ub85c \ub2e4\ub978 \ubc30\uc804 \uc2dc\uc2a4\ud15c\uc5d0 \uc801\uc6a9\ub418\ub294 \uc5ec\ub7ec \ub3c4\uba74\uc774 \uc81c\uacf5\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud310\ub9e4 \ube0c\ub85c\uc154\uc5d0 \uc2e4\ub9b0 \ub3c4\uba74\uc740 \ucd5c\uc2e0 \ubaa8\ub378\ubcc4 \uc124\uce58 \uc124\uba85\uc11c\ubcf4\ub2e4 \uc6b0\uc120\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c, \uc2b9\uc778\uc5d0 \uc0ac\uc6a9\ub41c \uac1c\uc815\ud310\uc744 \uae30\ub85d\ud574 \ub450\uc2ed\uc2dc\uc624.<\/p>\n<h2 class=\"wp-block-heading\">\uc9c1\ub82c \uc5f0\uacb0\uacfc \ubcd1\ub82c \uc5f0\uacb0\uc744 \uba85\ud655\ud788 \uad6c\ubd84\ud558\uc2ed\uc2dc\uc624<\/h2>\n<p class=\"wp-block-paragraph\">Series-pole connection and parallel-pole connection address different design questions. Series arrangements can be used in specific products to support a higher DC voltage. Parallel arrangements may be offered in specific designs for current capability. Neither is a general field modification. Applying one scheme&#8217;s rating to the other creates an unsupported claim.<\/p>\n<p class=\"wp-block-paragraph\">\uacf5\uae09\uc5c5\uccb4\uc5d0 \uc81c\uc548\ub41c \ubc30\uc120 \ubc29\uc2dd\uc774 \uc2b9\uc778\ub418\uc5c8\ub294\uc9c0, \uc5b4\ub5a4 \ubd80\uc18d\ud488\uc774 \ud544\uc694\ud55c\uc9c0, \uadf8\ub9ac\uace0 \ubcd1\ub82c \uae30\ub465\uc774 \ud3ec\ud568\ub41c \uacbd\uc6b0 \uc804\ub958\uac00 \uc5b4\ub5bb\uac8c \ubd84\ubc30\ub418\ub294\uc9c0 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624. \ubc1c\uc5f4, \ub2e8\uc790 \ubd80\ud558 \ubc0f \uace0\uc7a5 \ucc28\ub2e8 \ub2a5\ub825\uc740 \uc815\ud655\ud55c \ubaa8\ub378\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ub294 \uc0ac\ud56d\uc785\ub2c8\ub2e4. \ucd5c\uc885 \ud68c\ub85c \ub3c4\uba74\uc5d0\ub294 \ub2e8\uc21c\ud788 \u201c2P MCCB\u201d\ub77c\uace0 \ub098\uc5f4\ud558\ub294 \ub300\uc2e0 \uc2e4\uc81c \ubc30\uc120 \ubc29\uc2dd\uc744 \uba85\ud655\ud788 \ud45c\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4.\u201d<\/p>\n<h2 class=\"wp-block-heading\">\ub3d9\uc77c\ud55c \uae30\uc900\uc73c\ub85c \uc9c1\ub958 \ucc28\ub2e8 \ub370\uc774\ud130\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624<\/h2>\n<p class=\"wp-block-paragraph\">A DC MCCB&#8217;s continuous-current rating does not tell you its interrupting duty. Compare the location-specific prospective fault current with the manufacturer&#8217;s DC breaking-capacity data at the actual operating voltage and pole connection. Ask whether the rating is ultimate, service or another defined measure under the applicable standard and what post-fault service assumptions are made.<\/p>\n<p class=\"wp-block-paragraph\">AC \ucc28\ub2e8 \uc6a9\ub7c9, \uc800\uc804\uc555 DC \uc6a9\ub7c9 \ubc0f \uace0\uc804\uc555 \ubc30\uc120\ub3c4\ub97c \ud558\ub098\uc758 \uc554\ubb35\uc801 \uc815\uaca9\uc73c\ub85c \ud63c\ud569\ud558\uc5ec \uace0\ub824\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc99d\uac70 \uc790\ub8cc\ub294 \uc77c\uad00\ub41c \uc815\ud655\ud55c \ubaa8\ub378 \uc138\ud2b8\uc5ec\uc57c \ud569\ub2c8\ub2e4. \ud6c4\ubcf4 \uc81c\ud488\uc774 \uc758\ub3c4\ub41c \uad6c\uc131\uc5d0 \ub300\ud55c \uba85\ud655\ud558\uac8c \ubb38\uc11c\ud654\ub41c DC \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uac16\ucd94\uc9c0 \ubabb\ud55c \uacbd\uc6b0, \ud574\ub2f9 \ud56d\ubaa9\uc740 \ubbf8\uc815 \uc0c1\ud0dc\ub85c \ub0a8\uaca8\ub450\uc2ed\uc2dc\uc624.<\/p>\n<p class=\"wp-block-paragraph\">IEC 60947-2 covers low-voltage circuit breakers including DC applications, but a general standard reference is not a substitute for the particular product&#8217;s rating table. The responsible engineer must also verify the site&#8217;s applicable code and protection design.<\/p>\n<h2 class=\"wp-block-heading\">\uadf9\uc131\uacfc \uace0\uc7a5 \ubc29\ud5a5\uc740 \uc5ec\uc804\ud788 \uc911\uc694\ud569\ub2c8\ub2e4<\/h2>\n<p class=\"wp-block-paragraph\">\uc77c\ubd80 DC MCCB\ub294 \uc804\uc6d0\uacfc \ubd80\ud558 \uc5f0\uacb0 \ubc29\ud5a5\uc774 \uc815\ud574\uc838 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ud06c\ub97c \uc758\ub3c4\ub41c \uc804\ub958 \ubc29\ud5a5\uc73c\ub85c \uc81c\uc5b4\ud558\uae30 \uc704\ud574 \uc9c1\ub82c \uadf9\uc758 \ubc29\ud5a5\uc744 \uc870\uc815\ud574\uc57c \ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c \ubd84\uc11d \uc2dc \ubaa8\ub4e0 \uc815\uc0c1 \uc804\ub958 \ubc0f \uace0\uc7a5 \uc804\ub958 \ubc29\ud5a5\uc744 \ud45c\uc2dc\ud574\uc57c \ud558\uba70, \ud2b9\ud788 \uc800\uc7a5 \uc7a5\uce58, \ubc1c\uc804 \uc124\ube44 \ub610\ub294 \ubcc0\ud658\uae30\uac00 \uc591\ucabd \ubc29\ud5a5 \ubaa8\ub450\uc5d0\uc11c \uc804\ub825\uc744 \uacf5\uae09\ubc1b\uc744 \uc218 \uc788\ub294 \uacbd\uc6b0\uc5d0\ub294 \ub354\uc6b1 \uadf8\ub7ec\ud569\ub2c8\ub2e4.<\/p>\n<p class=\"wp-block-paragraph\">\u201cDC \uc815\uaca9\u201d\uc73c\ub85c \ud45c\uae30\ub41c \uc81c\ud488\uc774 \ubc18\ub4dc\uc2dc \uc591\ubc29\ud5a5 \uace0\uc7a5 \ucc28\ub2e8\uc5d0 \uc801\ud569\ud55c \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ud574\ub2f9 \ubaa8\ub378\uc774 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc694\uad6c\ud558\ub294 \uace0\uc7a5 \ubc29\ud5a5\uc744 \uc9c0\uc6d0\ud558\ub294\uc9c0 \ubc18\ub4dc\uc2dc \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uadf9\uc131\uc5d0 \uc758\uc874\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c\ub294 \uc774\ub97c \ucda9\uc871\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0, \ud604\uc7a5\uc5d0\uc11c \ub3c4\uba74\uc744 \ubc18\uc804\uc2dc\ud0a4\ub294 \ub300\uc2e0 \ubb38\uc11c\ud654\ub41c \ub2e4\ub978 \uc124\uacc4\ub97c \uc694\uccad\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2 class=\"wp-block-heading\">\uad6c\ub9e4\uc790\ub97c \uc704\ud55c \uc11c\ub958 \ud655\uc778 \ubaa9\ub85d<\/h2>\n<figure class=\"wp-block-table\"><table><thead><tr><th>\uc9c8\ubb38<\/th><th>\ud504\ub85c\uc81d\ud2b8 \uc785\ub825 \uc0ac\ud56d<\/th><th>\uacf5\uae09\uc5c5\uccb4 \uc99d\ube59 \uc790\ub8cc<\/th><\/tr><\/thead><tbody><tr><td>\uc2dc\uc2a4\ud15c \uc804\uc555<\/td><td>MCCB\uc758 \ucd5c\ub300 \ud5c8\uc6a9 \uc804\uc555<\/td><td>\uc815\ud655\ud55c \uc5f0\uacb0\uc744 \uc704\ud55c DC \uc815\uaca9<\/td><\/tr><tr><td>\uace0\uc7a5 \uc804\ub958<\/td><td>\ud574\ub2f9 \uc704\uce58\uc758 \uc608\uc0c1 \uc720\ub3d9 \uc804\ub958<\/td><td>\ub3d9\uc77c \uc804\uc555\uc5d0\uc11c\uc758 DC \ucc28\ub2e8 \ub370\uc774\ud130<\/td><\/tr><tr><td>\ud604\uc7ac \ubc29\ud5a5<\/td><td>\uc815\uc0c1 \uacbd\ub85c\uc640 \uc624\ub958 \uacbd\ub85c<\/td><td>\uadf9\uc131\/\uc18c\uc2a4-\ubd80\ud558 \uaddc\uce59<\/td><\/tr><tr><td>\uc811\uc9c0<\/td><td>\uc811\uc9c0\ud615 \ub610\ub294 \uc808\uc5f0\ud615 \ud1a0\ud3f4\ub85c\uc9c0<\/td><td>\uc751\uc6a9 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \ub300\uc870\ud45c<\/td><\/tr><tr><td>\uae30\uacc4<\/td><td>\ubc84\uc2a4\ubc14, \ucf00\uc774\ube14 \ubc0f \ud328\ub110 \ubc30\uc120\ub3c4<\/td><td>\ub2e8\uc790, \uc5f0\uacb0 \ubc0f \uc7a5\ucc29 \uc548\ub0b4\uc11c<\/td><\/tr><\/tbody><\/table><\/figure>\n<p class=\"wp-block-paragraph\">\uc815\ud655\ud55c \uc8fc\ubb38 \ucf54\ub4dc, \ub3c4\uba74 \uac1c\uc815\ud310 \ubc0f \ubbf8\ud574\uacb0 \uc0ac\ud56d\uc744 \uae30\ub85d\ud558\uc2ed\uc2dc\uc624. \uacf5\uae09\uc5c5\uccb4\uac00 \uc81c\ud488\uad70 \uba85\uce6d\ub9cc \ud68c\uc2e0\ud560 \uacbd\uc6b0, \ubd80\ud488 \uba85\uc138\uc11c\ub97c \uc2b9\uc778\ud558\uae30 \uc804\uc5d0 \uc815\ud655\ud55c \uc5f0\uacb0 \uad00\uacc4 \ubc0f \uc815\uaca9 \uad00\ub828 \ubb38\uc11c\ub97c \uc694\uccad\ud558\uc2ed\uc2dc\uc624. \uc870\uac74\ubd80 \uacac\uc801\uc11c\ub294 \uadf8 \uc0ac\uc2e4\uc744 \uba85\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<figure data-spectra-id=\"spectra-586de8af-66ad-4732-925f-cbeed8bde630\" class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"1050\" width=\"1400\" src=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-02.webp\" alt=\"\uc5f0\uacb0, \uc804\uc555, \uace0\uc7a5 \uc804\ub958 \ubc0f \uadf9\uc131\uc5d0 \ub300\ud55c DC MCCB \uac80\uc99d \ub9e4\ud2b8\ub9ad\uc2a4\" class=\"wp-image-1802\" srcset=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-02.webp 1400w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-02-300x225.webp 300w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-02-1024x768.webp 1024w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-02-768x576.webp 768w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/dc-mccb-pole-connection-voltage-verification-body-02-600x450.webp 600w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><figcaption class=\"wp-element-caption\">\uc81c\uc548\ub41c DC MCCB \uc5f0\uacb0\uc744 \uc815\ud655\ud55c \uc804\uc555 \ubc0f \ucc28\ub2e8 \uc131\ub2a5\uacfc \uc77c\uce58\uc2dc\ucf1c\uc57c \ud569\ub2c8\ub2e4.<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">\uc124\uce58 \ubc0f \ubcc0\uacbd \uad00\ub9ac<\/h2>\n<p class=\"wp-block-paragraph\">\uc804\uc6d0\uc744 \uacf5\uae09\ud558\uae30 \uc804\uc5d0, \ub0a9\ud488\ub41c \ucc28\ub2e8\uae30\uc758 \ud45c\uc2dc, \ub2e8\uc790 \uc5f0\uacb0 \ubc0f \uc9c1\ub82c \uc5f0\uacb0\uc744 \uc2b9\uc778\ub41c \ub3c4\uba74\uacfc \ub300\uc870\ud558\uc2ed\uc2dc\uc624. \uc124\uce58 \uc9c0\uce68\uc5d0 \ub530\ub77c \ub3c4\uccb4 \uaddc\uaca9, \uc870\uc784 \uc0c1\ud0dc \ubc0f \uc778\ud074\ub85c\uc800 \uc0c1\ud0dc\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uc885\uc774\uc5d0 \uadf8\ub824\uc9c4 \ub3c4\uba74\uc774 \uc815\ud655\ud558\ub2e4\uace0 \ud574\uc11c \ud328\ub110\uc774 \uc2e4\uc81c\ub85c \uadf8 \ub3c4\uba74\ub300\ub85c \uc81c\uc791\ub418\uc5c8\ub2e4\ub294 \uac83\uc744 \uc99d\uba85\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n<p class=\"wp-block-paragraph\">After a breaker substitution, revisit the complete set of assumptions. Pole order, links, terminal orientation and published ratings can differ despite similar frames. Keep the approved manufacturer&#8217;s drawing in the panel file so maintenance teams can identify the intended path.<\/p>\n<p class=\"wp-block-paragraph\">\ub098\uc911\uc5d0 \uc2dc\uc2a4\ud15c \uc811\uc9c0 \ubc29\uc2dd\uc774\ub098 \uc804\uc6d0 \uad6c\uc131\uc5d0 \ubcc0\uacbd \uc0ac\ud56d\uc774 \ubc1c\uc0dd\ud558\uba74 MCCB \uc5f0\uacb0\uc744 \uc7ac\ud3c9\uac00\ud574\uc57c \ud569\ub2c8\ub2e4. \uc804\uc6d0\uc744 \ud558\ub098\uc5d0\uc11c \ub450 \uac1c\ub85c \ubcc0\uacbd\ud558\uac70\ub098 \ubcc0\ud658\uae30\ub97c \uad50\uccb4\ud560 \uacbd\uc6b0, \uace0\uc7a5 \ubc1c\uc0dd \ubc29\ud5a5\uacfc \uc608\uc0c1 \uc804\ub958\uac00 \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucc28\ub2e8\uae30 \uc120\uc815\uc740 \ud2b9\uc815 \ud68c\ub85c \uad6c\uc131\uc5d0 \ub530\ub77c \uacb0\uc815\ub418\uba70, \ud5a5\ud6c4 \uc5b4\ub5a4 \ud1a0\ud3f4\ub85c\uc9c0\uc5d0\uc11c\ub3c4 \uc601\uad6c\uc801\uc73c\ub85c \uc720\ud6a8\ud55c \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\">\uc2ec\uc0ac\uc704\uc6d0\ud68c\uac00 \ud574\uc0b0\ub418\uae30 \uc804\uc5d0 \uc99d\uac70 \uac80\ud1a0 \uc808\ucc28\ub97c \ub9c8\ubb34\ub9ac\ud558\uc2ed\uc2dc\uc624<\/h2>\n<p class=\"wp-block-paragraph\">\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uac80\ud1a0 \uacb0\uacfc\ub294 \ub2e8\uc21c\ud788 \uc2b9\uc778\ub41c \uce74\ud0c8\ub85c\uadf8 \ubc88\ud638 \uc774\uc0c1\uc758 \uc131\uacfc\ub97c \ub3c4\ucd9c\ud574\uc57c \ud569\ub2c8\ub2e4. \ucd5c\uc885 \ub2e8\uc120\ub3c4, \ucc28\ub2e8\uae30 \uadf9\ub3c4\ud45c, \uc815\uaca9 \ud45c \ubc0f \uace0\uc7a5 \uc804\ub958 \uacc4\uc0b0 \uacb0\uacfc\ub97c \ud558\ub098\uc758 \uad00\ub9ac\ub41c \uae30\ub85d\uc73c\ub85c \ud1b5\ud569\ud558\uc5ec \ubcf4\uad00\ud558\uc2ed\uc2dc\uc624. \uc2dc\uc2a4\ud15c \uc804\uc555\uacfc \ucc28\ub2e8 \uc815\uaca9\uc774 \ub3d9\uc77c\ud55c \ubc30\uc120 \uad6c\uc131\uc744 \ucc38\uc870\ud55c\ub2e4\ub294 \uc0ac\uc2e4\uc744 \ud655\uc778\ud55c \ub2f4\ub2f9\uc790\ub97c \uba85\uc2dc\ud558\uc2ed\uc2dc\uc624. \uc774\ub294 OEM\uc774 \uc5ec\ub7ec \uc804\uc555 \ubcc0\ud615 \ubaa8\ub378\uc5d0 \ub300\ud574 \ub3d9\uc77c\ud55c \ud328\ub110 \uc124\uacc4\ub97c \ubc18\ubcf5\ud560 \ub54c \ud2b9\ud788 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p class=\"wp-block-paragraph\">In the shop, label any manufacturer-approved series links and verify their installation during inspection. A temporary test or a visual check of handle operation does not establish fault performance. The assembly must be built to the documented connection and then reviewed under the site&#8217;s commissioning process. If a link or terminal cannot be inspected after assembly, record its installation before covers are fitted.<\/p>\n<p class=\"wp-block-paragraph\">\uacf5\uae09\uc5c5\uccb4\uac00 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \uc218\uc815\ud558\uac70\ub098 \ucd5c\uc2e0 \ubaa8\ub378\uc744 \uc81c\uc548\ud560 \uacbd\uc6b0, \uad00\ub828 \uc815\uaca9 \ubc0f \ud68c\ub85c\ub3c4 \ud398\uc774\uc9c0\ub97c \uc9c1\uc811 \ube44\uad50\ud558\uc2ed\uc2dc\uc624. \uc81c\ud488\uad70 \uc774\ub984\uc774 \ub3d9\uc77c\ud558\uac8c \uc720\uc9c0\ub418\uc5c8\ub2e4\uace0 \ud574\uc11c \uc5f0\uacb0 \uc9c0\uce68\uc774 \ubcc0\uacbd\ub418\uc9c0 \uc54a\uc558\ub2e4\ub294 \uc99d\uac70\ub294 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\">RITOKS \ubb38\uc758 \uacbd\ub85c<\/h2>\n<p class=\"wp-block-paragraph\">\uadf8 <a href=\"https:\/\/ritoks.com\/ko\/product-category\/dc-power-protection\/dc-circuit-breakers\/dc-molded-case-circuit-breakers\/\">DC MCCB \ub4f1\uae09<\/a> \uadf8\ub9ac\uace0 <a href=\"https:\/\/ritoks.com\/ko\/products\/2p-dc-molded-case-circuit-breaker-500-1000v-125-250a\/\">2\uadf9 DC MCCB \uc81c\ud488\uad70<\/a> \uad6c\uccb4\uc801\uc73c\ub85c \uba85\uc2dc\ub418\uc9c0 \uc54a\uc740 \uc804\uc8fc \uc5f0\uacb0\uc5d0 \ub300\ud55c \uc2b9\uc778\uc774 \uc544\ub2cc, \uc0c1\uc5c5\uc801 \ub300\uc548\uc744 \ud30c\uc545\ud558\uc2ed\uc2dc\uc624. \uc2dc\uc2a4\ud15c \ub2e8\uc120\ub3c4, \uc804\uc555 \ubc94\uc704 \ubc0f \uace0\uc7a5 \ubd84\uc11d \ubcf4\uace0\uc11c\ub97c \ub2e4\uc74c\uc744 \ud1b5\ud574 \ubcf4\ub0b4\uc8fc\uc2ed\uc2dc\uc624. <a href=\"https:\/\/ritoks.com\/ko\/contact-us\/\">RITOKS \ubb38\uc758<\/a> \uadf8\ub9ac\uace0 \uc815\ud655\ud55c \ubaa8\ub378\uc5d0 \ub300\ud55c \uc5f0\uacb0 \ubc0f \uc815\uaca9 \uc0ac\uc591 \uc11c\ub958\ub97c \uc694\uccad\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2 class=\"wp-block-heading\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3 class=\"wp-block-heading\">\uadf9\ub2f9 \uc804\uc555\uc744 \uacf1\ud574\uc11c \uc2dc\uc2a4\ud15c \uc815\uaca9 \uc804\uc555\uc744 \uad6c\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n<p class=\"wp-block-paragraph\">\uc544\ub2c8\uc694. \uc2b9\uc778\ub41c \uc815\ud655\ud55c \uadf9 \uc5f0\uacb0 \ubc29\uc2dd \ubc0f \uace0\uc7a5 \uc870\uac74\uc5d0 \ub300\ud574\uc11c\ub294 \uc81c\uc870\uc5c5\uccb4\uac00 \uba85\uc2dc\ud55c \uc804\uccb4 \uae30\uae30 \uc815\uaca9\uce58\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3 class=\"wp-block-heading\">2\uadf9 \ucc28\ub2e8\uae30\ub294 \ud56d\uc0c1 \uc591\uadf9\uc131\uc744 \ubaa8\ub450 \ucc28\ub2e8\ud569\ub2c8\uae4c?<\/h3>\n<p class=\"wp-block-paragraph\">\uc544\ub2d9\ub2c8\ub2e4. \uadf9\ub4e4\uc740 \ub2e8\uc77c \uacbd\ub85c \ub0b4\uc5d0\uc11c \uc9c1\ub82c\ub85c \ubc30\uc5f4\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc815\ud655\ud55c \uc5f0\uacb0 \ub3c4\uba74\uc5d0\ub294 \uc2e4\uc81c\ub85c \uc5b4\ub5a4 \ub3c4\uccb4\uac00 \uac1c\ubc29\ub418\ub294\uc9c0\uac00 \ud45c\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 class=\"wp-block-heading\">May I copy a competitor&#8217;s series-link drawing?<\/h3>\n<p class=\"wp-block-paragraph\">\uc544\ub2c8\uc694. \uc815\uaca9 \ubc0f \ud5c8\uc6a9 \ubc30\uc120 \uaddc\uaca9\uc740 \ud574\ub2f9 \ucc28\ub2e8\uae30\uc758 \uc124\uacc4 \uc0ac\uc591\uacfc \ud604\uc7ac \uc81c\uc870\uc5c5\uccb4\uc758 \uc9c0\uce68\uc5d0 \ub530\ub985\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n<p class=\"wp-block-paragraph\">DC MCCB\uc758 \uadf9 \uc5f0\uacb0 \ubc29\uc2dd\uc740 \ubb38\uc11c\ud654\ub41c \uc2dc\uc2a4\ud15c \uc815\uaca9 \uc870\uac74\uc785\ub2c8\ub2e4. \ud504\ub85c\uc81d\ud2b8 \ub2e8\uc120\ub3c4\ub97c \ubc14\ud0d5\uc73c\ub85c \uc815\ud655\ud55c \ub3c4\uba74\uc744 \ud655\uc778\ud55c \ud6c4, \uc77c\uad00\ub41c \ub2e8\uc77c \ubaa8\ub378\uc744 \uae30\uc900\uc73c\ub85c \uc804\uc555, \ucc28\ub2e8 \uc6a9\ub7c9, \uadf9\uc131 \ubc0f \uc124\uce58 \uc694\uac74\uc744 \uac80\uc99d\ud574\uc57c \ud569\ub2c8\ub2e4. \uadf9 \uc218\ub098 \uc81c\ud488\uad70 \ud45c\uc81c\ub9cc\uc73c\ub85c\ub294 \uc774\ub7ec\ud55c \uadfc\uac70\ub97c \ub300\uccb4\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\">\ucc38\uace0 \ubb38\ud5cc<\/h2>\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/productinfo.se.com\/compactnsxdcuserguide\/doca0186-compact-nsx-dc-user-guide\/English\/BM_DOCA0186%20ComPacT%20NSX%20DC%20User%20Guide_0000555023.xml\/%24\/TPC_CB_DC_CircuitBreakerRange_354b1ab7_T000207784\" target=\"_blank\" rel=\"noopener\">\uc288\ub098\uc774\ub354 \uc77c\ub809\ud2b8\ub9ad, ComPacT NSX DC \uc0ac\uc6a9\uc790 \uac00\uc774\ub4dc<\/a>.<\/li><li><a href=\"https:\/\/www.se.com\/eg\/en\/faqs\/FA228909\/\" target=\"_blank\" rel=\"noopener\">\uc288\ub098\uc774\ub354 \uc77c\ub809\ud2b8\ub9ad, DC MCCB \uc9c1\ub82c\/\ubcd1\ub82c \uadf9 \uc5f0\uacb0 \uad00\ub828 \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/a>.<\/li><li><a href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electrical-circuit-protection\/molded-case-circuit-breakers\/consulting-application-guide-molded-case-circuit-breakers-tb01200003e.pdf\" target=\"_blank\" rel=\"noopener\">Eaton, DC \uadf9\uc131 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc774 \ud3ec\ud568\ub41c MCCB \uc801\uc6a9 \uac00\uc774\ub4dc<\/a>.<\/li><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66277\" target=\"_blank\" rel=\"noopener\">IEC, IEC 60947-2:2024<\/a>.<\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>Verify a DC MCCB&#8217;s system voltage and breaking duty using the exact manufacturer pole-connection diagram and project fault study.<\/p>","protected":false},"author":1,"featured_media":1800,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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