{"id":21404,"date":"2026-01-23T23:30:39","date_gmt":"2026-01-23T15:30:39","guid":{"rendered":"https:\/\/viox.com\/?p=21404"},"modified":"2026-01-23T23:31:41","modified_gmt":"2026-01-23T15:31:41","slug":"mcb-breaking-capacity-6ka-vs-10ka-selection-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ko\/mcb-breaking-capacity-6ka-vs-10ka-selection-guide\/","title":{"rendered":"MCB \ucc28\ub2e8 \uc6a9\ub7c9 \uc120\ud0dd \uac00\uc774\ub4dc: \uc8fc\uac70 \ubc0f \uc0c1\uc5c5\uc6a9 \ud328\ub110\uc5d0\uc11c 6kA\uc640 10kA \uc911 \uc5b8\uc81c \uc0ac\uc6a9\ud574\uc57c \ud560\uae4c\uc694?"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>\uc8fc\uc694 \ub0b4\uc6a9<\/h2>\n<ul>\n<li><strong>\ucc28\ub2e8 \uc6a9\ub7c9(Icn\/Icu)\uc740 MCB\uac00 \uc190\uc0c1\uc774\ub098 \uace0\uc7a5 \uc5c6\uc774 \uc548\uc804\ud558\uac8c \ucc28\ub2e8\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uace0\uc7a5 \uc804\ub958\ub97c \ub098\ud0c0\ub0b4\uba70, \ud0ac\ub85c\uc554\ud398\uc5b4(kA) \ub2e8\uc704\ub85c \uce21\uc815\ub429\ub2c8\ub2e4.<\/strong> \uc190\uc0c1\uc774\ub098 \uace0\uc7a5 \uc5c6\uc774 \uc548\uc804\ud558\uac8c \ucc28\ub2e8\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uace0\uc7a5 \uc804\ub958\ub97c \ub098\ud0c0\ub0b4\uba70, \ud0ac\ub85c\uc554\ud398\uc5b4(kA) \ub2e8\uc704\ub85c \uce21\uc815\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>6kA MCB\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958(PSCC)\uac00 5kA \ubbf8\ub9cc\uc778 \uc8fc\uac70 \uc2dc\uc124\uc5d0 \ucda9\ubd84\ud558\uba70, \ud2b9\ud788 \uacf5\uae09 \ubcc0\uc555\uae30\uc5d0\uc11c \uba40\ub9ac \ub5a8\uc5b4\uc9c4 \uc704\uce58\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/strong> \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958(PSCC)\uac00 5kA \ubbf8\ub9cc\uc778 \uc8fc\uac70 \uc2dc\uc124\uc5d0 \ucda9\ubd84\ud558\uba70, \ud2b9\ud788 \uacf5\uae09 \ubcc0\uc555\uae30\uc5d0\uc11c \uba40\ub9ac \ub5a8\uc5b4\uc9c4 \uc704\uce58\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>10kA MCB\ub294 \uace0\uc7a5 \uc804\ub958\uac00 6kA\ub97c \ucd08\uacfc\ud558\uac70\ub098 \ud5a5\ud6c4 \ud655\uc7a5\uc774 \uc608\uc0c1\ub418\ub294 \uc0c1\uc5c5\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158, \ub3c4\uc2dc \uc2dc\uc124 \ubc0f \ubcc0\uc555\uae30 \uadfc\ucc98 \uc704\uce58\uc5d0 \uad8c\uc7a5\ub429\ub2c8\ub2e4.<\/strong> \uace0\uc7a5 \uc804\ub958\uac00 6kA\ub97c \ucd08\uacfc\ud558\uac70\ub098 \ud5a5\ud6c4 \ud655\uc7a5\uc774 \uc608\uc0c1\ub418\ub294 \uc0c1\uc5c5\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158, \ub3c4\uc2dc \uc2dc\uc124 \ubc0f \ubcc0\uc555\uae30 \uadfc\ucc98 \uc704\uce58\uc5d0 \uad8c\uc7a5\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc801\uc808\ud55c \uc120\ud0dd\uc744 \uc704\ud574\uc11c\ub294 \uc2dc\uc2a4\ud15c \uc804\uc555, \ucd1d \uc784\ud53c\ub358\uc2a4 \ubc0f \ubcc0\uc555\uae30 \uc0ac\uc591\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc124\uce58 \uc9c0\uc810\uc5d0\uc11c PSCC\ub97c \uacc4\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/strong> \uc2dc\uc2a4\ud15c \uc804\uc555, \ucd1d \uc784\ud53c\ub358\uc2a4 \ubc0f \ubcc0\uc555\uae30 \uc0ac\uc591\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc124\uce58 \uc9c0\uc810\uc5d0\uc11c PSCC\ub97c \uacc4\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>IEC 60898-1\uc740 \uc8fc\uac70\uc6a9 MCB \ud45c\uc900\uc744 \uaddc\uc815\ud569\ub2c8\ub2e4.<\/strong> IEC 60947-2\ub294 \uc0b0\uc5c5\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\uc6a9\ub418\uba70, \ud14c\uc2a4\ud2b8 \uc694\uad6c \uc0ac\ud56d \ubc0f \uc131\ub2a5 \uae30\uc900\uc774 \ub2e4\ub985\ub2c8\ub2e4.<\/li>\n<li><strong>\ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uacfc\uc18c \ud3c9\uac00\ud558\uba74 \uc2ec\uac01\ud55c \uc548\uc804 \uc704\ud5d8\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/strong> \uc544\ud06c \ud50c\ub798\uc2dc \uc0ac\uace0, \uc7a5\ube44 \uc190\uc0c1 \ubc0f \uc7a0\uc7ac\uc801\uc778 \ud654\uc7ac \uc704\ud5d8\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>6kA\uc640 10kA MCB \uac04\uc758 \ube44\uc6a9 \ucc28\uc774\ub294 \ubbf8\ubbf8\ud569\ub2c8\ub2e4.<\/strong> \uc801\uc808\ud55c \uc120\ud0dd\uc758 \uc548\uc804 \uc774\uc810 \ubc0f \uaddc\uc815 \uc900\uc218 \uc774\uc810\uc5d0 \ube44\ud574 \ubbf8\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>MCB \ucc28\ub2e8 \uc6a9\ub7c9 \uc774\ud574: \ud68c\ub85c \ubcf4\ud638\uc758 \uae30\ucd08<\/h2>\n<p>\ub2e8\ub77d \ucc28\ub2e8 \uc6a9\ub7c9\uc774\ub77c\uace0\ub3c4 \ud558\ub294 \ucc28\ub2e8 \uc6a9\ub7c9\uc740 MCB\uac00 \uc815\uaca9 \uc804\uc555\uc5d0\uc11c \uc548\uc804\ud558\uac8c \ucc28\ub2e8\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uc608\uc0c1 \uace0\uc7a5 \uc804\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. <a href=\"https:\/\/test.viox.com\/ko\/what-is-a-miniature-circuit-breaker-mcb\/\">\uc18c\ud615 \ud68c\ub85c \ucc28\ub2e8\uae30(MCB)<\/a> \ub2e8\ub77d\uc774 \ubc1c\uc0dd\ud558\uba74 \uace0\uc7a5 \uc804\ub958\ub294 \ubc00\ub9ac\ucd08 \ub0b4\uc5d0 \uc815\uc0c1 \uc791\ub3d9 \uc804\ub958\uc758 \uc218\ubc31 \ubc30\uc5d0 \ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. MCB\ub294 \ub3c4\uccb4, \uc7a5\ube44\uc5d0 \uce58\uba85\uc801\uc778 \uc190\uc0c1\uc744 \uc785\ud788\uac70\ub098 \ud654\uc7ac \uc704\ud5d8\uc744 \ucd08\ub798\ud558\uae30 \uc804\uc5d0 \uc774 \uc804\ub958\ub97c \ucc28\ub2e8\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ucc28\ub2e8 \uc6a9\ub7c9 \ub4f1\uae09\uc740 \ubaa8\ub4e0 MCB \uba85\ud310\uc5d0 \ud45c\uc2dc\ub418\uba70 \uc77c\ubc18\uc801\uc73c\ub85c Icn(IEC 60898-1\uc5d0 \ub530\ub978 \uc815\uaca9 \ub2e8\ub77d \uc6a9\ub7c9) \ub610\ub294 Icu(IEC 60947-2\uc5d0 \ub530\ub978 \ucd5c\uc885 \ub2e8\ub77d \ucc28\ub2e8 \uc6a9\ub7c9)\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc774\ud574 <a href=\"https:\/\/test.viox.com\/ko\/circuit-breaker-ratings-icu-ics-icw-icm\/\">\uc774\ub7ec\ud55c \ub4f1\uae09\uc740<\/a> \uc548\uc804\ud55c \uc804\uae30 \uc2dc\uc2a4\ud15c \uc124\uacc4\uc758 \uae30\ubcf8\uc785\ub2c8\ub2e4.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Residential-panel-with-6kA-MCBs---professional-product-photography.webp\" alt=\"6kA MCB installed in residential distribution panel showing breaking capacity rating\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\uadf8\ub9bc 1: 6kA \uc815\uaca9\uc758 \uc8fc\uac70\uc6a9 \ubc30\uc804\ubc18 \uadfc\uc811 \ucd2c\uc601 <a href=\"https:\/\/test.viox.com\/ko\/mcb\/\">MCB<\/a>, \uac00\uc815 \uc124\uce58\ub97c \uc704\ud55c \ud45c\uc900 \ubcf4\ud638 \uc218\uc900\uc744 \uac15\uc870 \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/figcaption><\/figure>\n<h3>\ucc28\ub2e8 \uc6a9\ub7c9 \uc120\ud0dd\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h3>\n<p>\ucc28\ub2e8 \uc6a9\ub7c9\uc774 \ubd80\uc801\uc808\ud55c MCB\ub97c \uc120\ud0dd\ud558\uba74 \uc5ec\ub7ec \uac00\uc9c0 \uace0\uc7a5 \ubaa8\ub4dc\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc811\uc810 \uc6a9\uc811<\/strong>: MCB\uc758 \uc815\uaca9\uc744 \ucd08\uacfc\ud558\ub294 \uace0\uc7a5 \uc804\ub958\ub294 \uc811\uc810\uc744 \uc6a9\uc811\ud558\uc5ec \ud68c\ub85c \ucc28\ub2e8\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc544\ud06c \ud50c\ub798\uc2dc \uc704\ud5d8<\/strong>: \ucc28\ub2e8 \uc6a9\ub7c9\uc774 \ubd80\uc871\ud558\uba74 \uc9c0\uc18d\uc801\uc778 \uc544\ud06c\uac00 \ubc1c\uc0dd\ud558\uc5ec \uc704\ud5d8\ud55c \uc544\ud06c \ud50c\ub798\uc2dc \uc870\uac74\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc778\ud074\ub85c\uc800 \ud30c\uc5f4<\/strong>: \uadf9\uc2ec\ud55c \uace0\uc7a5 \uc804\ub958\ub294 MCB \uc778\ud074\ub85c\uc800\uc5d0 \ubb3c\ub9ac\uc801 \uc190\uc0c1\uc744 \uc77c\uc73c\ucf1c \ub728\uac70\uc6b4 \uac00\uc2a4\uc640 \uc6a9\uc735 \uae08\uc18d\uc744 \ubc29\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\ube44 \uc190\uc0c1<\/strong>: \ubcf4\ud638 \uc2e4\ud328\ub85c \uc778\ud574 \uace0\uc7a5 \uc804\ub958\uac00 \uc5f0\uacb0\ub41c \uc7a5\ube44\uc640 \ubc30\uc120\uc5d0 \uc190\uc0c1\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><strong>\uc911\uc694\ud55c \uc548\uc804 \uaddc\uce59<\/strong>: MCB\uc758 \ucc28\ub2e8 \uc6a9\ub7c9\uc740 \ud56d\uc0c1 \uc801\uc808\ud55c \uc548\uc804 \uc5ec\uc720\ub97c \ub450\uace0 \uc124\uce58 \uc9c0\uc810\uc758 \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958(PSCC)\ub97c \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h2>6kA \ub300 10kA: \uae30\uc220 \uc0ac\uc591 \ube44\uad50<\/h2>\n<p>\ub2e4\uc74c \ud45c\ub294 6kA \ubc0f 10kA \uc815\uaca9 MCB\uc758 \uc8fc\uc694 \uc0ac\uc591 \ubc0f \uc131\ub2a5 \ud2b9\uc131\uc744 \ube44\uad50\ud569\ub2c8\ub2e4.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\" border=\"1\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 8px;\">\uc0ac\uc591<\/th>\n<th style=\"padding: 8px;\">6kA MCB<\/th>\n<th style=\"padding: 8px;\">10kA MCB<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ucc28\ub2e8 \uc6a9\ub7c9(Icn)<\/strong><\/td>\n<td style=\"padding: 8px;\">6,000 \uc554\ud398\uc5b4<\/td>\n<td style=\"padding: 8px;\">10,000 \uc554\ud398\uc5b4<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong><\/td>\n<td style=\"padding: 8px;\">\uc8fc\uac70\uc6a9, \uacbd\uc0c1\uc6a9<\/td>\n<td style=\"padding: 8px;\">\uc0c1\uc5c5, \uc0b0\uc5c5, \ub3c4\uc2dc \uc8fc\uac70<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>IEC \ud45c\uc900<\/strong><\/td>\n<td style=\"padding: 8px;\">IEC 60898-1<\/td>\n<td style=\"padding: 8px;\">IEC 60898-1 \/ IEC 60947-2<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ubcc0\uc555\uae30\uc640\uc758 \uac70\ub9ac<\/strong><\/td>\n<td style=\"padding: 8px;\">&gt;50m \uc77c\ubc18<\/td>\n<td style=\"padding: 8px;\">&lt;50m \ub610\ub294 \uace0\uc6a9\ub7c9 \uc2dc\uc2a4\ud15c<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\uc2dc\uc2a4\ud15c \uc804\uc555<\/strong><\/td>\n<td style=\"padding: 8px;\">230V \ub2e8\uc0c1<\/td>\n<td style=\"padding: 8px;\">230V-400V \ub2e8\uc0c1\/3\uc0c1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\uc544\ud06c \uc5d0\ub108\uc9c0 \uc81c\ud55c<\/strong><\/td>\n<td style=\"padding: 8px;\">\ud074\ub798\uc2a4 3<\/td>\n<td style=\"padding: 8px;\">\ud074\ub798\uc2a4 3<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ube44\uc6a9 \ud504\ub9ac\ubbf8\uc5c4<\/strong><\/td>\n<td style=\"padding: 8px;\">\uae30\uc900\uc120<\/td>\n<td style=\"padding: 8px;\">+10-20%<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\uc77c\ubc18\uc801\uc778 \uc124\uce58<\/strong><\/td>\n<td style=\"padding: 8px;\">\ud558\uc704 \ud328\ub110, \ubd84\uae30 \ud68c\ub85c<\/td>\n<td style=\"padding: 8px;\">\uba54\uc778 \ud328\ub110, \ud53c\ub354, \uc0c1\uc5c5\uc6a9 \ubcf4\ub4dc<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\uc548\uc804 \uc5ec\uc720 \uad8c\uc7a5 \uc0ac\ud56d<\/strong><\/td>\n<td style=\"padding: 8px;\">PSCC &lt;5kA\uc778 \uacbd\uc6b0 \uc0ac\uc6a9<\/td>\n<td style=\"padding: 8px;\">PSCC 5-9kA\uc778 \uacbd\uc6b0 \uc0ac\uc6a9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ud5a5\ud6c4 \ud655\uc7a5 \uae30\ub2a5<\/strong><\/td>\n<td style=\"padding: 8px;\">\uc81c\ud55c\uc801<\/td>\n<td style=\"padding: 8px;\">\ub354 \ub098\uc740 \uc218\uc6a9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/MCB-internal-mechanism-cutaway-with-labeled-components.webp\" alt=\"MCB internal mechanism cutaway diagram showing thermal and magnetic trip components\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\uadf8\ub9bc 2: \ub192\uc740 \uace0\uc7a5 \uc804\ub958\ub97c \ucc28\ub2e8\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 \uc544\ud06c \uc288\ud2b8 \ubc0f \ud2b8\ub9bd \uad6c\uc131 \uc694\uc18c\ub97c \ubcf4\uc5ec\uc8fc\ub294 MCB\uc758 \ub0b4\ubd80 \uba54\ucee4\ub2c8\uc998.<\/figcaption><\/figure>\n<h2>6kA MCB\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0: \uc8fc\uac70 \ubc0f \uacbd\uc0c1\uc5c5\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/h2>\n<p>6kA \ucc28\ub2e8 \uc6a9\ub7c9 MCB\ub294 \uace0\uc7a5 \uc804\ub958 \uc218\uc900\uc774 \ubcf4\ud1b5\uc778 \uc8fc\uac70\uc6a9 \uc804\uae30 \uc124\ube44 \ubc0f \uacbd\uc0c1\uc5c5\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c \ud45c\uc900 \uc120\ud0dd\uc785\ub2c8\ub2e4. 6kA \ubcf4\ud638\uac00 \uc801\uc808\ud55c \uc2dc\uae30\ub97c \uc774\ud574\ud558\ub824\uba74 \uc5ec\ub7ec \uc2dc\uc2a4\ud15c \uc694\uc18c\ub97c \ubd84\uc11d\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>6kA MCB\uc5d0 \uc774\uc0c1\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/h3>\n<p><strong>\uc8fc\uac70\uc6a9 \uc124\ube44<\/strong>: \ub2e8\ub3c5 \uc8fc\ud0dd, \uc544\ud30c\ud2b8 \ubc0f \uc8fc\uac70 \ub2e8\uc9c0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 1kA\uc640 4kA \uc0ac\uc774\uc758 PSCC \uac12\uc744 \uacbd\ud5d8\ud558\uba70, \uc774\ub294 6kA \ucc28\ub2e8 \uc6a9\ub7c9 \ubc94\uc704 \ub0b4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \ubcc0\uc555\uae30 \uac70\ub9ac, \ucf00\uc774\ube14 \uae38\uc774 \ubc0f \uc81c\ud55c\ub41c \uc11c\ube44\uc2a4 \uc785\uad6c \uc6a9\ub7c9\uc758 \uc870\ud569\uc740 \uc790\uc5f0\uc801\uc73c\ub85c \uace0\uc7a5 \uc804\ub958 \uc218\uc900\uc744 \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc6d0\uaca9 \ud558\uc704 \ud328\ub110<\/strong>: \uc8fc \uc11c\ube44\uc2a4 \uc785\uad6c\uc5d0\uc11c 50\ubbf8\ud130 \uc774\uc0c1 \ub5a8\uc5b4\uc9c4 \ubc30\uc804\ubc18\uc740 \uae34 \ucf00\uc774\ube14 \uc2e4\ud589\uc758 \uc784\ud53c\ub358\uc2a4\ub85c \uc778\ud574 \uc774\uc810\uc744 \uc5bb\uc5b4 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\ub97c \uc904\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc704\uce58\uc5d0\uc11c\ub294 6kA\ub97c \ucd08\uacfc\ud558\ub294 \ucc28\ub2e8 \uc6a9\ub7c9\uc774 \uac70\uc758 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\uacbd\uc0c1\uc5c5\uc6a9 \uac74\ubb3c<\/strong>: \ub2e8\uc0c1 230V \uc11c\ube44\uc2a4\uc640 \uc81c\ud55c\ub41c \uc5f0\uacb0 \ubd80\ud558\ub97c \uac00\uc9c4 \uc18c\uaddc\ubaa8 \uc18c\ub9e4 \uacf5\uac04, \uc0ac\ubb34\uc2e4 \ubc0f \uc720\uc0ac\ud55c \uc124\uce58\ub294 \uc801\uc808\ud55c PSCC \uacc4\uc0b0\uc744 \ud1b5\ud574 \uc801\uc808\ud55c \ubcf4\ud638\uac00 \ud655\uc778\ub418\uba74 \uc77c\ubc18\uc801\uc73c\ub85c 6kA MCB\ub85c \uc548\uc804\ud558\uac8c \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc8fc\uac70\uc6a9 \uace0\uc7a5 \uc804\ub958 \uc81c\ud55c \uc694\uc778<\/h3>\n<p>\uc8fc\uac70\uc6a9 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc758 \uba87 \uac00\uc9c0 \uace0\uc720\ud55c \ud2b9\uc131\uc740 \uc790\uc5f0\uc801\uc73c\ub85c \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958\ub97c \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li><strong>\ubcc0\uc555\uae30 \uc6a9\ub7c9<\/strong>: \uc8fc\uac70\uc6a9 \ubc30\uc804 \ubcc0\uc555\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 25kVA\uc5d0\uc11c 100kVA \ubc94\uc704\uc774\ubbc0\ub85c \ucd5c\ub300 \uac00\uc6a9 \uace0\uc7a5 \uc804\ub958\uac00 \uc81c\ud55c\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc11c\ube44\uc2a4 \uc785\uad6c \ucf00\uc774\ube14 \uae38\uc774<\/strong>: \uc11c\ube44\uc2a4 \uc785\uad6c \ub3c4\uccb4(\uc77c\ubc18\uc801\uc73c\ub85c 10-30\ubbf8\ud130)\uc758 \uc784\ud53c\ub358\uc2a4\ub294 \uace0\uc7a5 \uc804\ub958\ub97c \ud06c\uac8c \uc904\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc720\ud2f8\ub9ac\ud2f0 \uacf5\uae09 \uc784\ud53c\ub358\uc2a4<\/strong>: \uc5c5\uc2a4\ud2b8\ub9bc \uc720\ud2f8\ub9ac\ud2f0 \ub124\ud2b8\uc6cc\ud06c \uc784\ud53c\ub358\uc2a4\ub294 \uc804\uccb4 \uc2dc\uc2a4\ud15c \uc784\ud53c\ub358\uc2a4\uc5d0 \uae30\uc5ec\ud558\uc5ec \uace0\uc7a5 \uc804\ub958\ub97c \ub354\uc6b1 \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub2e8\uc0c1 \uad6c\uc131<\/strong>: \ub300\ubd80\ubd84\uc758 \uc8fc\uac70\uc6a9 \uc124\uce58\ub294 \ub2e8\uc0c1 230V \uc11c\ube44\uc2a4\ub97c \uc0ac\uc6a9\ud558\uba70, \uc774\ub294 \ubcf8\uc9c8\uc801\uc73c\ub85c 3\uc0c1 \uc2dc\uc2a4\ud15c\ubcf4\ub2e4 \ub0ae\uc740 \uace0\uc7a5 \uc804\ub958\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h3>6kA \uc120\ud0dd\uc744 \uc704\ud55c PSCC \uacc4\uc0b0<\/h3>\n<p>6kA \ucc28\ub2e8 \uc6a9\ub7c9\uc774 \uc801\uc808\ud55c\uc9c0 \ud655\uc778\ud558\ub824\uba74 \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958\ub97c \uacc4\uc0b0\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>PSCC = V \/ Z_total<\/strong><\/p>\n<p>Where:<\/p>\n<ul>\n<li>V = \uc2dc\uc2a4\ud15c \uc804\uc555(\ub2e8\uc0c1 \uc8fc\uac70\uc6a9\uc758 \uacbd\uc6b0 230V)<\/li>\n<li>Z_total = \uc18c\uc2a4\uc5d0\uc11c \uace0\uc7a5 \uc9c0\uc810\uae4c\uc9c0\uc758 \ucd1d \uc2dc\uc2a4\ud15c \uc784\ud53c\ub358\uc2a4<\/li>\n<\/ul>\n<p>\uc790\uc138\ud55c \uacc4\uc0b0 \uc808\ucc28\ub294 \ub2e4\uc74c\uc758 \uc885\ud569 \uac00\uc774\ub4dc\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/how-to-calculate-short-circuit-current-for-mcb\/\">MCB\uc5d0 \ub300\ud55c \ub2e8\ub77d \uc804\ub958 \uacc4\uc0b0 \ubc29\ubc95<\/a>.<\/p>\n<p><strong>\uacc4\uc0b0 \uc608\uc2dc<\/strong>: 230V \uacf5\uae09, 0.02\u03a9\uc758 \ubcc0\uc555\uae30 \uc784\ud53c\ub358\uc2a4 \ubc0f 0.025\u03a9\uc758 \ucf00\uc774\ube14 \uc784\ud53c\ub358\uc2a4\ub97c \uac16\ucd98 \uc8fc\uac70\uc6a9 \uc124\uce58:<\/p>\n<p>Z_total = 0.02 + 0.025 = 0.045\u03a9<\/p>\n<p>PSCC = 230V \/ 0.045\u03a9 = 5,111A \u2248 5.1kA<\/p>\n<p>\uc774 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c 6kA MCB\ub294 \uc548\uc804 \uc5ec\uc720\ub97c \ub450\uace0 \uc801\uc808\ud55c \ubcf4\ud638\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 PSCC\uac00 5kA\uc5d0 \uc811\uadfc\ud558\uac70\ub098 \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0 10kA MCB\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>10kA MCB\ub97c \uc0ac\uc6a9\ud574\uc57c \ud558\ub294 \uacbd\uc6b0: \uc0c1\uc5c5 \ubc0f \uace0\uc6a9\ub7c9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/h2>\n<p>\uc608\uc0c1 \ub2e8\ub77d \uc804\ub958\uac00 6kA \uc7a5\uce58\uc758 \uc548\uc804 \uc791\ub3d9 \ubc94\uc704\ub97c \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0 10kA \ucc28\ub2e8 \uc6a9\ub7c9 MCB\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc0c1\uc5c5\uc6a9 \uc124\uce58, \ub3c4\uc2dc \ud658\uacbd \ubc0f \uacf5\uae09 \ubcc0\uc555\uae30 \uadfc\ucc98 \uc704\uce58\uc5d0\ub294 \uc885\uc885 \uc774 \ub354 \ub192\uc740 \uc815\uaca9\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Commercial-three-phase-panel-with-10kA-breakers.webp\" alt=\"10kA rated MCBs and MCCBs in commercial three-phase distribution panel\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\uadf8\ub9bc 3: \uc0b0\uc5c5 \ud658\uacbd\uc5d0\uc11c \uc77c\ubc18\uc801\uc778 \ub354 \ub192\uc740 \uace0\uc7a5 \uc804\ub958\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574 10kA \uc815\uaca9 \ucc28\ub2e8\uae30\uac00 \uc7a5\ucc29\ub41c \uc0c1\uc5c5\uc6a9 3\uc0c1 \ubc30\uc804\ubc18.<\/figcaption><\/figure>\n<h3>10kA MCB\uac00 \ud544\uc694\ud55c \uc911\uc694 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/h3>\n<p><strong>\uc0c1\uc5c5\uc6a9 \uac74\ubb3c<\/strong>: \uc0ac\ubb34\uc2e4 \uac74\ubb3c, \uc18c\ub9e4 \uc13c\ud130 \ubc0f \uc0c1\uc5c5 \ub2e8\uc9c0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uc774\uc720\ub85c 10kA MCB\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\ub354 \ub192\uc740 \uace0\uc7a5 \uc804\ub958 \uc6a9\ub7c9\uc744 \uac00\uc9c4 3\uc0c1 400V \uc804\uae30 \uc11c\ube44\uc2a4<\/li>\n<li>\ub354 \ud070 \ubc30\uc804 \ubcc0\uc555\uae30(100kVA ~ 500kVA)\uc5d0 \uadfc\uc811<\/li>\n<li>\uc804\uccb4 \uc2dc\uc2a4\ud15c \uc784\ud53c\ub358\uc2a4\ub97c \uc904\uc774\ub294 \uc5ec\ub7ec \ubcd1\ub82c \uacf5\uae09 \uacbd\ub85c<\/li>\n<li>\uac15\ub825\ud55c \uc804\uae30 \uc778\ud504\ub77c\ub97c \uac16\ucd98 \uc870\ubc00\ud55c \ub3c4\uc2dc \uc704\uce58<\/li>\n<\/ul>\n<p><strong>\uc8fc \ubc30\uc804\ubc18<\/strong>: \ubaa8\ub4e0 \uc124\uce58\uc758 \uc8fc \uc804\uae30 \ud328\ub110\uc740 \uc11c\ube44\uc2a4 \uc785\uad6c\uc5d0 \uac00\uae5d\uae30 \ub54c\ubb38\uc5d0 \uac00\uc7a5 \ub192\uc740 \uace0\uc7a5 \uc804\ub958 \uc218\uc900\uc744 \uacbd\ud5d8\ud569\ub2c8\ub2e4. \uc8fc\uac70\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub3c4 \uc8fc \ud328\ub110\uc740 \ud5a5\uc0c1\ub41c \uc548\uc804 \uc5ec\uc720\ub97c \uc704\ud574 10kA MCB\uc758 \uc774\uc810\uc744 \ub204\ub9ac\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\ub3c4\uc2dc \uc124\uce58<\/strong>: \ub3c4\uc2dc \uc911\uc2ec\uc758 \uac74\ubb3c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub0ae\uc740 \uc18c\uc2a4 \uc784\ud53c\ub358\uc2a4\ub97c \uac00\uc9c4 \uace0\uc6a9\ub7c9 \uc720\ud2f8\ub9ac\ud2f0 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc5f0\uacb0\ub418\uc5b4 6kA \uc815\uaca9\uc744 \ucd08\uacfc\ud558\ub294 \ub192\uc740 \uace0\uc7a5 \uc804\ub958 \uc218\uc900\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc0b0\uc5c5 \uc2dc\uc124<\/strong>: \uc81c\uc870 \uacf5\uc7a5, \ucc3d\uace0 \ubc0f \uc0b0\uc5c5 \ud604\uc7a5\uc5d0\ub294 \ud070 \uc5f0\uacb0 \ubd80\ud558, \uc5ec\ub7ec \ubcc0\uc555\uae30 \ubc0f \uac15\ub825\ud55c \uc804\uae30 \uc778\ud504\ub77c\ub85c \uc778\ud574 10kA \uc774\uc0c1\uc758 \ucc28\ub2e8 \uc6a9\ub7c9\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h3>3\uc0c1 \uc2dc\uc2a4\ud15c \ubc0f \uace0\uc7a5 \uc804\ub958 \uacf1\uc148<\/h3>\n<p>3\uc0c1 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc774\uc720\ub85c \ubcf8\uc9c8\uc801\uc73c\ub85c \ub2e8\uc0c1 \uc2dc\uc2a4\ud15c\ubcf4\ub2e4 \ub354 \ub192\uc740 \uace0\uc7a5 \uc804\ub958\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub354 \ub192\uc740 \uc2dc\uc2a4\ud15c \uc804\uc555<\/strong> (400V \uc120\uac04 \ub300 230V \uc120\uc911\uc131\uc120)<\/li>\n<li><strong>\uc5ec\ub7ec \uc804\ub958 \uacbd\ub85c<\/strong> 3\uc0c1 \uace0\uc7a5 \uc911<\/li>\n<li><strong>\ub354 \ub0ae\uc740 \uc784\ud53c\ub358\uc2a4<\/strong> 3\uc0c1 \ubcc0\uc555\uae30 \uad8c\uc120\uc5d0\uc11c<\/li>\n<li><strong>\uc99d\uac00\ub41c \ubcc0\uc555\uae30 \uc6a9\ub7c9<\/strong> \uc0c1\uc5c5\uc6a9 \uc124\uce58\uc5d0\uc11c \uc77c\ubc18\uc801\uc784<\/li>\n<\/ul>\n<p>3\uc0c1 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 \uace0\uc7a5 \uc804\ub958 \uacc4\uc0b0\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>PSCC = V_LL \/ (\u221a3 \u00d7 Z_total)<\/strong><\/p>\n<p>\uc5ec\uae30\uc11c V_LL\uc740 \uc120\uac04 \uc804\uc555\uc785\ub2c8\ub2e4(\uc720\ub7fd\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 400V, \ubd81\ubbf8\uc5d0\uc11c\ub294 480V).<\/p>\n<h3>\ubcc0\uc555\uae30 \uadfc\uc811\uc131: \uac70\ub9ac \uc694\uc778<\/h3>\n<p>\uacf5\uae09 \ubcc0\uc555\uae30\uc640 MCB \uc124\uce58 \uc9c0\uc810 \uc0ac\uc774\uc758 \uac70\ub9ac\ub294 \uace0\uc7a5 \uc804\ub958 \uc218\uc900\uc5d0 \uc911\uc694\ud55c \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc9c0\uce68\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\" border=\"1\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 8px;\">\ubcc0\uc555\uae30\uc640\uc758 \uac70\ub9ac<\/th>\n<th style=\"padding: 8px;\">\uc77c\ubc18\uc801\uc778 PSCC \ubc94\uc704<\/th>\n<th style=\"padding: 8px;\">\ucd94\ucc9c MCB \ud3c9\uac00<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\">0-20\ubbf8\ud130<\/td>\n<td style=\"padding: 8px;\">8-15kA<\/td>\n<td style=\"padding: 8px;\">\ucd5c\uc18c 10kA(15kA \uace0\ub824)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">20-50\ubbf8\ud130<\/td>\n<td style=\"padding: 8px;\">5-10kA<\/td>\n<td style=\"padding: 8px;\">10kA \uad8c\uc7a5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">50-100\ubbf8\ud130<\/td>\n<td style=\"padding: 8px;\">3-6kA<\/td>\n<td style=\"padding: 8px;\">\uacc4\uc0b0\uc5d0 \ub530\ub77c 6kA \ub610\ub294 10kA<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">&gt;100\ubbf8\ud130<\/td>\n<td style=\"padding: 8px;\">1-4kA<\/td>\n<td style=\"padding: 8px;\">\uc77c\ubc18\uc801\uc73c\ub85c 6kA \uc801\uc808<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\ucc38\uace0<\/strong>: \uc774\ub7ec\ud55c \uac12\uc740 \ub300\ub7b5\uc801\uc778 \uac12\uc774\uba70 \ubcc0\uc555\uae30 \uc6a9\ub7c9, \ucf00\uc774\ube14 \ud06c\uae30 \ubc0f \uc2dc\uc2a4\ud15c \uad6c\uc131\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc911\uc694\ud55c \uc124\uce58\uc5d0 \ub300\ud574\uc11c\ub294 \ud56d\uc0c1 \uc790\uc138\ud55c \uacc4\uc0b0\uc744 \uc218\ud589\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2>\uc801\uc6a9 \ubd84\uc57c \uc120\ud0dd \uac00\uc774\ub4dc: \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uc124\uce58 \uc720\ud615\uc5d0 \ub9de\uac8c \uc870\uc815<\/h2>\n<p>\ub2e4\uc74c \ud45c\ub294 \uc124\uce58 \ud2b9\uc131\uc5d0 \ub530\ub77c \uc801\uc808\ud55c MCB \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uc120\ud0dd\ud558\ub294 \ub370 \uc720\uc6a9\ud55c \uc9c0\uce68\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\" border=\"1\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 8px;\">\uc124\uce58 \uc720\ud615<\/th>\n<th style=\"padding: 8px;\">\uc2dc\uc2a4\ud15c \uad6c\uc131<\/th>\n<th style=\"padding: 8px;\">\ubcc0\uc555\uae30 \uadfc\uc811\uc131<\/th>\n<th style=\"padding: 8px;\">\uad8c\uc7a5 \ucc28\ub2e8 \uc6a9\ub7c9<\/th>\n<th style=\"padding: 8px;\">\uc815\ub2f9\uc131<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ub2e8\ub3c5 \uc8fc\ud0dd<\/strong><\/td>\n<td style=\"padding: 8px;\">\ub2e8\uc0c1 230V, &lt;100A \uc11c\ube44\uc2a4<\/td>\n<td style=\"padding: 8px;\">&gt;30m<\/td>\n<td style=\"padding: 8px;\">6kA<\/td>\n<td style=\"padding: 8px;\">\ub0ae\uc740 PSCC, \uc801\uc808\ud55c \uc548\uc804 \ub9c8\uc9c4<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\uc544\ud30c\ud2b8 \uac74\ubb3c<\/strong><\/td>\n<td style=\"padding: 8px;\">\ub2e8\uc0c1 230V, \ub2e4\uc911 \uc138\ub300<\/td>\n<td style=\"padding: 8px;\">20-50m<\/td>\n<td style=\"padding: 8px;\">6kA (\ubd84\uae30), 10kA (\uc8fc)<\/td>\n<td style=\"padding: 8px;\">\uc8fc \ud328\ub110\uc5d0\ub294 \ub354 \ub192\uc740 \uc815\uaca9\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\uc18c\uaddc\ubaa8 \uc18c\ub9e4\/\uc0ac\ubb34\uc2e4<\/strong><\/td>\n<td style=\"padding: 8px;\">\ub2e8\uc0c1 230V, &lt;200A<\/td>\n<td style=\"padding: 8px;\">\ubcc0\uc218<\/td>\n<td style=\"padding: 8px;\">10kA<\/td>\n<td style=\"padding: 8px;\">\uc0c1\uc5c5 \ucf54\ub4dc \uc694\uad6c \uc0ac\ud56d<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ub300\ud615 \uc0c1\uc5c5 \uac74\ubb3c<\/strong><\/td>\n<td style=\"padding: 8px;\">3\uc0c1 400V, &gt;200A<\/td>\n<td style=\"padding: 8px;\">&lt;30m<\/td>\n<td style=\"padding: 8px;\">\ucd5c\uc18c 10kA<\/td>\n<td style=\"padding: 8px;\">\ub192\uc740 \uace0\uc7a5 \uc804\ub958, \ucf54\ub4dc \uc900\uc218<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\uc0b0\uc5c5 \uc2dc\uc124<\/strong><\/td>\n<td style=\"padding: 8px;\">3\uc0c1 400V, &gt;400A<\/td>\n<td style=\"padding: 8px;\">&lt;20m<\/td>\n<td style=\"padding: 8px;\">10kA-25kA<\/td>\n<td style=\"padding: 8px;\">\ub9e4\uc6b0 \ub192\uc740 PSCC, \ud2b9\uc218 \ubcf4\ud638<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ub3c4\uc2dc \uace0\uce35 \uac74\ubb3c<\/strong><\/td>\n<td style=\"padding: 8px;\">3\uc0c1 400V, \ub2e4\uc911 \uc11c\ube44\uc2a4<\/td>\n<td style=\"padding: 8px;\">&lt;10m<\/td>\n<td style=\"padding: 8px;\">10kA-15kA<\/td>\n<td style=\"padding: 8px;\">\uac15\ub825\ud55c \uc720\ud2f8\ub9ac\ud2f0 \ub124\ud2b8\uc6cc\ud06c, \ub192\uc740 \uc6a9\ub7c9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ub18d\ucd0c \uc124\uce58<\/strong><\/td>\n<td style=\"padding: 8px;\">\ub2e8\uc0c1 230V, \uae34 \uc11c\ube44\uc2a4 \ub77c\uc778<\/td>\n<td style=\"padding: 8px;\">&gt;100m<\/td>\n<td style=\"padding: 8px;\">6kA<\/td>\n<td style=\"padding: 8px;\">\ub192\uc740 \uc784\ud53c\ub358\uc2a4\ub85c \uace0\uc7a5 \uc804\ub958 \uc81c\ud55c<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ud0dc\uc591\uad11 \ubc1c\uc804 \uc2dc\uc2a4\ud15c<\/strong><\/td>\n<td style=\"padding: 8px;\">DC \ud68c\ub85c, \uac00\ubcc0<\/td>\n<td style=\"padding: 8px;\">N\/A<\/td>\n<td style=\"padding: 8px;\">DC \ucc28\ub2e8 \uc815\uaca9<\/td>\n<td style=\"padding: 8px;\">\ud2b9\uc218 DC \uc815\uaca9 MCB \ud544\uc694<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>IEC \ud45c\uc900 \uc900\uc218: 60898-1 \ub300 60947-2 \uc774\ud574<\/h2>\n<p>\uc801\uc808\ud55c MCB \uc120\ud0dd\uc744 \uc704\ud574\uc11c\ub294 \ud574\ub2f9 \uad6d\uc81c \ud45c\uc900 \ubc0f \uc694\uad6c \uc0ac\ud56d\uc744 \uc774\ud574\ud574\uc57c \ud569\ub2c8\ub2e4. MCB \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uaddc\uc815\ud558\ub294 \ub450 \uac00\uc9c0 \uc8fc\uc694 \ud45c\uc900\uc740 IEC 60898-1\uacfc IEC 60947-2\uc774\uba70, \uac01 \ud45c\uc900\uc740 \uc11c\ub85c \ub2e4\ub978 \uc801\uc6a9 \ubd84\uc57c\ub97c \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n<h3>IEC 60898-1: \uc8fc\uac70 \ubc0f \uc720\uc0ac \uc124\uce58<\/h3>\n<p>IEC 60898-1\uc740 \ud2b9\ud788 \ub2e4\uc74c\uc744 \ud3ec\ud568\ud558\uc5ec \uac00\uc815 \ubc0f \uc720\uc0ac \uc124\uce58\uc6a9 \uc18c\ud615 \ud68c\ub85c \ucc28\ub2e8\uae30\ub97c \uaddc\uc815\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc804\uc555 \ud3c9\uac00<\/strong>: \ucd5c\ub300 440V AC<\/li>\n<li><strong>\ud604\uc7ac \ud3c9\uac00<\/strong>: \ucd5c\ub300 125A<\/li>\n<li><strong>\ucc28\ub2e8 \uc6a9\ub7c9(Icn)<\/strong>: \uc77c\ubc18\uc801\uc73c\ub85c 3kA, 6kA, 10kA \ub610\ub294 15kA<\/li>\n<li><strong>\uae30\uc900 \uc628\ub3c4<\/strong>: 30\u00b0C \uc8fc\ubcc0 \uc628\ub3c4<\/li>\n<li><strong>\ud2b8\ub9bd \ucee4\ube0c<\/strong>: B, C \ubc0f D \ud2b9\uc131<\/li>\n<li><strong>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/strong>: \uc8fc\uac70, \uc0ac\ubb34\uc2e4, \ud559\uad50, \uacbd\uc0c1\uc5c5<\/li>\n<\/ul>\n<p>\uc774 \ud45c\uc900\uc740 Icn (\uc815\uaca9 \ub2e8\ub77d \ucc28\ub2e8 \uc6a9\ub7c9)\uc744 \uc9c0\uc815\ub41c \ud14c\uc2a4\ud2b8 \uc2dc\ud000\uc2a4\uc5d0 \ub530\ub978 \ucc28\ub2e8 \uc6a9\ub7c9\uc73c\ub85c \uc815\uc758\ud569\ub2c8\ub2e4. IEC 60898-1\uc5d0 \ub530\ub978 6kA \ubc0f 10kA MCB\uc758 \uacbd\uc6b0:<\/p>\n<ul>\n<li><strong>6kA \uc815\uaca9<\/strong>: \uc815\uaca9 \uc804\uc555\uc5d0\uc11c 6,000A \uace0\uc7a5 \uc804\ub958\ub97c \uc131\uacf5\uc801\uc73c\ub85c \ucc28\ub2e8\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>10kA \uc815\uaca9<\/strong>: \uc815\uaca9 \uc804\uc555\uc5d0\uc11c 10,000A \uace0\uc7a5 \uc804\ub958\ub97c \uc131\uacf5\uc801\uc73c\ub85c \ucc28\ub2e8\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>IEC 60947-2: \uc0b0\uc5c5 \ubc0f \uc0c1\uc5c5 \uc751\uc6a9 \ubd84\uc57c<\/h3>\n<p>IEC 60947-2\ub294 \ub354 \uae4c\ub2e4\ub85c\uc6b4 \uc751\uc6a9 \ubd84\uc57c\ub97c \uc704\ud55c \ubab0\ub4dc \ucf00\uc774\uc2a4 \ud68c\ub85c \ucc28\ub2e8\uae30 (MCCB) \ubc0f \uc0b0\uc5c5\uc6a9 MCB\ub97c \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc804\uc555 \ud3c9\uac00<\/strong>: \ucd5c\ub300 1,000V AC<\/li>\n<li><strong>\ud604\uc7ac \ud3c9\uac00<\/strong>: 16A ~ 6,300A<\/li>\n<li><strong>\ucc28\ub2e8 \uc6a9\ub7c9 (Icu)<\/strong>: \ud504\ub808\uc784 \ud06c\uae30\uc5d0 \ub530\ub77c 10kA ~ 150kA<\/li>\n<li><strong>\uae30\uc900 \uc628\ub3c4<\/strong>: 40\u00b0C \uc8fc\ubcc0 \uc628\ub3c4<\/li>\n<li><strong>\uc870\uc815 \uac00\ub2a5\ud55c \uc124\uc815<\/strong>: \uc5f4 \ubc0f \uc790\uae30 \ud2b8\ub9bd \uc870\uc815<\/li>\n<li><strong>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/strong>: \uc0b0\uc5c5, \uc911\uc0c1\uc5c5, \ubc30\uc804 \uc2dc\uc2a4\ud15c<\/li>\n<\/ul>\n<p>\uc774 \ud45c\uc900\uc740 Icu (\uad81\uadf9 \ucc28\ub2e8 \uc6a9\ub7c9)\uc640 Ics (\uc11c\ube44\uc2a4 \ucc28\ub2e8 \uc6a9\ub7c9)\ub97c \ubaa8\ub450 \uc815\uc758\ud558\uba70, \uc5ec\uae30\uc11c Ics\ub294 \ucc28\ub2e8\uae30\uac00 \uae30\ub2a5\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uc5ec\ub7ec \ubc88 \ucc28\ub2e8\ud560 \uc218 \uc788\ub294 \uc804\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \ud45c\uc900\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ube44\uad50\ub294 \ub2e4\uc74c \uac00\uc774\ub4dc\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/iec-60898-1-vs-iec-60947-2\/\">IEC 60898-1 \ub300 IEC 60947-2<\/a>.<\/p>\n<h3>\ud45c\uc900 \ube44\uad50 \ud45c<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\" border=\"1\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 8px;\">\ub9e4\uac1c\ubcc0\uc218<\/th>\n<th style=\"padding: 8px;\">IEC 60898-1 (\uc8fc\uac70\uc6a9 MCB)<\/th>\n<th style=\"padding: 8px;\">IEC 60947-2 (\uc0b0\uc5c5\uc6a9 MCCB)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>1\ucc28 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/strong><\/td>\n<td style=\"padding: 8px;\">\uac00\uc815\uc6a9, \uacbd\uc0c1\uc5c5\uc6a9<\/td>\n<td style=\"padding: 8px;\">\uc0b0\uc5c5\uc6a9, \uc911\uacf5\uc5c5\uc6a9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ucd5c\ub300 \uc804\uc555<\/strong><\/td>\n<td style=\"padding: 8px;\">440V AC<\/td>\n<td style=\"padding: 8px;\">1,000V AC<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ud604\uc7ac \ubc94\uc704<\/strong><\/td>\n<td style=\"padding: 8px;\">\ucd5c\ub300 125A<\/td>\n<td style=\"padding: 8px;\">16A ~ 6,300A<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ucc28\ub2e8 \uc6a9\ub7c9 \uc9c0\uc815<\/strong><\/td>\n<td style=\"padding: 8px;\">Icn (\uc815\uaca9 \ucc28\ub2e8 \uc6a9\ub7c9)<\/td>\n<td style=\"padding: 8px;\">Icu (\uadf9\ud55c \ucc28\ub2e8 \uc6a9\ub7c9), Ics (\uc0ac\uc6a9 \ucc28\ub2e8 \uc6a9\ub7c9)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ucc38\uc870 \uc8fc\ubcc0 \uc628\ub3c4<\/strong><\/td>\n<td style=\"padding: 8px;\">30\u00b0C<\/td>\n<td style=\"padding: 8px;\">40\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ud2b8\ub9bd \ucee4\ube0c<\/strong><\/td>\n<td style=\"padding: 8px;\">\uace0\uc815\ud615 (B, C, D)<\/td>\n<td style=\"padding: 8px;\">\uc870\uc815 \uac00\ub2a5\ud55c \uc5f4\ub3d9\/\uc804\uc790<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\uc77c\ubc18\uc801\uc778 6kA\/10kA \uc0ac\uc6a9<\/strong><\/td>\n<td style=\"padding: 8px;\">\uc8fc\uac70\uc6a9 \ubd84\uae30 \ud68c\ub85c<\/td>\n<td style=\"padding: 8px;\">\uc0c1\uc5c5\uc6a9 \uae09\uc804\uc120, \ubc30\uc804<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\ud14c\uc2a4\ud2b8 \uc694\uad6c \uc0ac\ud56d<\/strong><\/td>\n<td style=\"padding: 8px;\">\uac04\uc18c\ud654\ub41c \uc2dc\ud5d8 \uc21c\uc11c<\/td>\n<td style=\"padding: 8px;\">\ud3ec\uad04\uc801\uc778 \uc2dc\ud5d8 \uc21c\uc11c<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\uc120\ud0dd \ucc28\ub2e8 \ud611\uc870<\/strong><\/td>\n<td style=\"padding: 8px;\">\uae30\ucd08\uc801\uc778<\/td>\n<td style=\"padding: 8px;\">\uace0\uae09 \ud611\uc870 \ud14c\uc774\ube14<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Electrical-distribution-schematic-showing-fault-current-levels.webp\" alt=\"Electrical distribution schematic showing fault current levels from transformer to end circuits\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\uadf8\ub9bc 4: \ubcc0\uc555\uae30\ub85c\ubd80\ud130 \uac70\ub9ac\uac00 \uba40\uc5b4\uc9c8\uc218\ub85d \uace0\uc7a5 \uc804\ub958 \ub808\ubca8(\ubc0f \ud544\uc694\ud55c \ucc28\ub2e8 \uc6a9\ub7c9)\uc774 \uac10\uc18c\ud558\ub294 \ubc29\uc2dd\uc744 \uc2dc\uac01\ud654\ud55c \uc804\uae30 \ubc30\uc804 \uc2dc\uc2a4\ud15c\uc758 \uac1c\ub7b5\ub3c4.<\/figcaption><\/figure>\n<h2>\uc758\uc0ac \uacb0\uc815 \ud504\ub808\uc784\uc6cc\ud06c: \uc62c\ubc14\ub978 \ucc28\ub2e8 \uc6a9\ub7c9 \uc120\ud0dd<\/h2>\n<p>6kA \ubc0f 10kA MCB \uc911\uc5d0\uc11c \uc120\ud0dd\ud558\ub824\uba74 \uc5ec\ub7ec \uc694\uc18c\ub97c \uccb4\uacc4\uc801\uc73c\ub85c \ubd84\uc11d\ud574\uc57c \ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \uc120\ud0dd\uc744 \uc704\ud574 \ub2e4\uc74c \uc758\uc0ac \uacb0\uc815 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \ub530\ub974\uc2ed\uc2dc\uc624.<\/p>\n<h3>1\ub2e8\uacc4: \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958(PSCC) \uacc4\uc0b0<\/h3>\n<p>\ub2e4\uc74c \ubc29\ubc95 \uc911 \ud558\ub098\ub97c \uc0ac\uc6a9\ud558\uc5ec MCB \uc124\uce58 \uc9c0\uc810\uc5d0\uc11c\uc758 \ucd5c\ub300 \uace0\uc7a5 \uc804\ub958\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\ubc29\ubc95 A: \uc720\ud2f8\ub9ac\ud2f0 \ub370\uc774\ud130<\/strong><br \/>\n\uc11c\ube44\uc2a4 \uc785\uad6c\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\ub97c \uc5bb\uc73c\ub824\uba74 \uc720\ud2f8\ub9ac\ud2f0 \ud68c\uc0ac\uc5d0 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624. \uc774\ub294 \uacc4\uc0b0\uc744 \uc704\ud55c \uac00\uc7a5 \uc815\ud655\ud55c \uc2dc\uc791\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\ubc29\ubc95 B: \ubcc0\uc555\uae30 \ub370\uc774\ud130\ub85c\ubd80\ud130 \uacc4\uc0b0<\/strong><br \/>\n\ubcc0\uc555\uae30 \uba85\ud310 \ub370\uc774\ud130 \ubc0f \ucf00\uc774\ube14 \uc784\ud53c\ub358\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<ol>\n<li>\ubcc0\uc555\uae30 2\ucc28 \uc804\ub958 \uacc4\uc0b0: I_transformer = S_kVA \/ (\u221a3 \u00d7 V)<\/li>\n<li>\ubcc0\uc555\uae30 \uc784\ud53c\ub358\uc2a4 \uacb0\uc815: Z_transformer = (V\u00b2 \u00d7 %Z) \/ (S_kVA \u00d7 100)<\/li>\n<li>\ucf00\uc774\ube14 \uc784\ud53c\ub358\uc2a4 \uacc4\uc0b0: Z_cable = (\u03c1 \u00d7 L) \/ A<\/li>\n<li>\ucd1d \uc784\ud53c\ub358\uc2a4 \uacc4\uc0b0: Z_total = Z_transformer + Z_cable<\/li>\n<li>PSCC \uacc4\uc0b0: PSCC = V \/ Z_total<\/li>\n<\/ol>\n<p><strong>\ubc29\ubc95 C: \ud14c\uc2a4\ud2b8<\/strong><br \/>\n\uc608\uc0c1 \ub2e8\ub77d \uc804\ub958 \ud14c\uc2a4\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc124\uce58 \uc9c0\uc810\uc5d0\uc11c \uc2e4\uc81c \uace0\uc7a5 \uc804\ub958\ub97c \uce21\uc815\ud569\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \uac00\uc7a5 \uc815\ud655\ud55c \uacb0\uacfc\ub97c \uc81c\uacf5\ud558\uc9c0\ub9cc \ud2b9\uc218 \uc7a5\ube44\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h3>2\ub2e8\uacc4: \uc548\uc804 \uc5ec\uc720 \uc801\uc6a9<\/h3>\n<p>\uacc4\uc0b0\ub41c PSCC\uc640 \uc815\ud655\ud788 \ub3d9\uc77c\ud55c \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uac00\uc9c4 MCB\ub97c \uc120\ud0dd\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc801\uc808\ud55c \uc548\uc804 \uc5ec\uc720\ub97c \uc801\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<ul>\n<li><strong>\ucd5c\uc18c \uc5ec\uc720<\/strong>: \uacc4\uc0b0\ub41c PSCC\ubcf4\ub2e4 20% \ub192\uc74c<\/li>\n<li><strong>\uad8c\uc7a5 \uc5ec\uc720<\/strong>: \uc911\uc694 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 \uacc4\uc0b0\ub41c PSCC\ubcf4\ub2e4 50% \ub192\uc74c<\/li>\n<li><strong>\ud5a5\ud6c4 \ud655\uc7a5<\/strong>: \uc720\ud2f8\ub9ac\ud2f0 \uc5c5\uadf8\ub808\uc774\ub4dc \ub610\ub294 \uc2dc\uc2a4\ud15c \uc218\uc815\uc73c\ub85c \uc778\ud55c \uace0\uc7a5 \uc804\ub958\uc758 \uc7a0\uc7ac\uc801 \uc99d\uac00\ub97c \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n<p><strong>\uc608<\/strong>: \uacc4\uc0b0\ub41c PSCC\uac00 5.5kA\uc778 \uacbd\uc6b0 \uc801\uc808\ud55c \uc548\uc804 \uc5ec\uc720\ub97c \uc81c\uacf5\ud558\uae30 \uc704\ud574 10kA MCB(6kA \uc544\ub2d8)\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>3\ub2e8\uacc4: \uc124\uce58 \ud2b9\uc131 \uace0\ub824<\/h3>\n<p>\ucd5c\uc885 \uc120\ud0dd\uc744 \ud560 \ub54c \ub2e4\uc74c \uc694\uc18c\ub97c \ud3c9\uac00\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>\uc804\uc6d0\uacfc\uc758 \uadfc\uc811\uc131<\/strong>: \uacf5\uae09 \ubcc0\uc555\uae30\uc5d0\uc11c 50\ubbf8\ud130 \uc774\ub0b4\uc758 \uc124\uce58\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub0ae\uc740 \uc784\ud53c\ub358\uc2a4\uc640 \ub192\uc740 \uac00\uc6a9 \uace0\uc7a5 \uc804\ub958\ub85c \uc778\ud574 10kA \uc815\uaca9\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc2dc\uc2a4\ud15c \uc804\uc555<\/strong>: 3\uc0c1 400V \uc2dc\uc2a4\ud15c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e8\uc0c1 230V \uc2dc\uc2a4\ud15c\ubcf4\ub2e4 \ub192\uc740 \ucc28\ub2e8 \uc6a9\ub7c9\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uac74\ubb3c \uc720\ud615<\/strong>: \uc0c1\uc5c5\uc6a9 \uc124\uce58\ub294 \uacc4\uc0b0\uc5d0\uc11c 6kA\uac00 \uc801\uc808\ud558\ub2e4\uace0 \uba85\ud655\ud558\uac8c \uc785\uc99d\ub418\uc9c0 \uc54a\ub294 \ud55c \uae30\ubcf8\uc801\uc73c\ub85c 10kA MCB\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\ucf54\ub4dc \uc694\uad6c \uc0ac\ud56d<\/strong>: \uc9c0\uc5ed \uc804\uae30 \uaddc\uc815\uc740 \ud2b9\uc815 \uc124\uce58 \uc720\ud615\uc5d0 \ub300\ud55c \ucd5c\uc18c \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uaddc\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud56d\uc0c1 \ud574\ub2f9 \uaddc\uc815\uc744 \uc900\uc218\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>\ud5a5\ud6c4 \ud655\uc7a5<\/strong>: \uc2dc\uc2a4\ud15c \ud655\uc7a5\uc774 \uc608\uc0c1\ub418\ub294 \uacbd\uc6b0 \ucd94\uac00 \ubcc0\uc555\uae30 \ub610\ub294 \uc720\ud2f8\ub9ac\ud2f0 \uc5c5\uadf8\ub808\uc774\ub4dc\ub85c \uc778\ud55c \uace0\uc7a5 \uc804\ub958 \uc99d\uac00\ub97c \uc218\uc6a9\ud558\uae30 \uc704\ud574 \ub354 \ub192\uc740 \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>4\ub2e8\uacc4: \ud611\uc870 \ubc0f \uc120\ud0dd\uc131 \ud655\uc778<\/h3>\n<p>\uc0c1\ub958 \ubc0f \ud558\ub958 \ubcf4\ud638 \uc7a5\uce58 \uac04\uc758 \uc801\uc808\ud55c \ud611\uc870\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624. MCB \ucc28\ub2e8 \uc6a9\ub7c9\uc740 \uc0c1\ub958 \ud68c\ub85c\uc5d0 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uace0 \uac00\ub2a5\ud55c \uac00\uc7a5 \ub0ae\uc740 \ub808\ubca8\uc5d0\uc11c \uace0\uc7a5\uc744 \uaca9\ub9ac\ud558\uae30 \uc704\ud574 \uc120\ud0dd\uc801 \ud2b8\ub9bd\uc744 \uc9c0\uc6d0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\uc74c\uc744 \ud3ec\ud568\ud558\uc5ec <a href=\"https:\/\/test.viox.com\/ko\/how-to-choose-the-right-miniature-circuit-breaker\/\">\uc62c\ubc14\ub978 MCB \uc120\ud0dd<\/a>, \uc5d0 \ub300\ud55c \ud3ec\uad04\uc801\uc778 \uc9c0\uce68\uc740 \ub2f9\uc0ac\uc758 \uc790\uc138\ud55c \uc120\ud0dd \uac00\uc774\ub4dc\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Decision-flowchart-for-6kA-vs-10kA-selection.webp\" alt=\"MCB breaking capacity selection flowchart for 6kA vs 10kA decision\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\uadf8\ub9bc 5: PSCC, \ubcc0\uc555\uae30 \uac70\ub9ac \ubc0f \uc2dc\uc2a4\ud15c \uc804\uc555\uc744 \uae30\ubc18\uc73c\ub85c 6kA \ubc0f 10kA MCB \uc911\uc5d0\uc11c \uc120\ud0dd\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uc758\uc0ac \uacb0\uc815 \ud750\ub984\ub3c4.<\/figcaption><\/figure>\n<h2>\uc2e4\uc81c \uc801\uc6a9 \uc2dc\ub098\ub9ac\uc624<\/h2>\n<h3>\uc2dc\ub098\ub9ac\uc624 1: \uc8fc\uac70 \uac1c\uc870<\/h3>\n<p><strong>\uc0c1\ud669<\/strong>: \ud55c \uc8fc\ud0dd \uc18c\uc720\uc790\uac00 1985\ub144\uc5d0 \uc9c0\uc5b4\uc9c4 \ub2e8\ub3c5 \uc8fc\ud0dd\uc758 \uc804\uae30 \ud328\ub110\uc744 \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc8fc\ud0dd\uc740 50kVA \ubc30\uc804 \ubcc0\uc555\uae30\uc5d0\uc11c 75\ubbf8\ud130 \ub5a8\uc5b4\uc838 \uc788\uc73c\uba70 100A \ub2e8\uc0c1 230V \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\ubd84\uc11d<\/strong>:<\/p>\n<ul>\n<li>\ubcc0\uc555\uae30\uc5d0\uc11c \uba3c \uac70\ub9ac(75m)\ub294 \uc784\ud53c\ub358\uc2a4\ub97c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li>\ub2e8\uc0c1 230V \uc2dc\uc2a4\ud15c\uc740 \uace0\uc7a5 \uc804\ub958\ub97c \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc791\uc740 \ubcc0\uc555\uae30 \uc6a9\ub7c9(50kVA)<\/li>\n<li>\uacc4\uc0b0\ub41c PSCC \u2248 3.2kA<\/li>\n<\/ul>\n<p><strong>\uacb0\uc815<\/strong>: 6kA MCB\ub294 \ubaa8\ub4e0 \ubd84\uae30 \ud68c\ub85c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uba54\uc778 \ucc28\ub2e8\uae30\ub294 \ucd94\uac00 \uc548\uc804 \uc5ec\uc720\ub97c \uc81c\uacf5\ud558\uace0 \uc7a0\uc7ac\uc801\uc778 \ud5a5\ud6c4 \uc720\ud2f8\ub9ac\ud2f0 \uc5c5\uadf8\ub808\uc774\ub4dc\ub97c \uc218\uc6a9\ud558\uae30 \uc704\ud574 10kA\uc5ec\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc2dc\ub098\ub9ac\uc624 2: \uc0c1\uc5c5\uc6a9 \uc0ac\ubb34\uc2e4 \uac74\ubb3c<\/h3>\n<p><strong>\uc0c1\ud669<\/strong>: 3\uc0c1 400V \uc11c\ube44\uc2a4, \uc9c0\ud558\uc5d0 \uc704\uce58\ud55c 630kVA \ubcc0\uc555\uae30, \ubcc0\uc555\uae30\ub85c\ubd80\ud130 15m \uac70\ub9ac\uc5d0 \uc788\ub294 \uc8fc \ubc30\uc804\ubc18\uc744 \uac16\ucd98 \ub3c4\uc2dc \uc9c0\uc5ed\uc758 \uc0c8\ub85c\uc6b4 5\uce35 \uc0ac\ubb34\uc2e4 \uac74\ubb3c.<\/p>\n<p><strong>\ubd84\uc11d<\/strong>:<\/p>\n<ul>\n<li>3\uc0c1 400V \uc2dc\uc2a4\ud15c\uc740 \uace0\uc7a5 \uc804\ub958\ub97c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li>\ub300\ud615 \ubcc0\uc555\uae30 \uc6a9\ub7c9 (630kVA)<\/li>\n<li>\ubcc0\uc555\uae30\ub85c\ubd80\ud130 \uc9e7\uc740 \uac70\ub9ac (15m)<\/li>\n<li>\uac15\ub825\ud55c \uc720\ud2f8\ub9ac\ud2f0 \ub124\ud2b8\uc6cc\ud06c\ub97c \uac16\ucd98 \ub3c4\uc2dc \uc704\uce58<\/li>\n<li>\uc8fc \ubc30\uc804\ubc18\uc5d0\uc11c \uacc4\uc0b0\ub41c PSCC \u2248 12kA<\/li>\n<\/ul>\n<p><strong>\uacb0\uc815<\/strong>: 10kA MCB\ub294 \uc8fc \ubc30\uc804\ubc18\uc5d0 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. 15kA \ub610\ub294 25kA MCCB\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\uc2ed\uc2dc\uc624. \uc0c1\uce35\uc758 \ud558\uc704 \ubc30\uc804\ubc18\uc740 \ucf00\uc774\ube14 \ubc30\uc120\uc73c\ub85c \uc778\ud55c \uc784\ud53c\ub358\uc2a4 \uc99d\uac00\ub85c \uc778\ud574 10kA MCB\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc2dc\ub098\ub9ac\uc624 3: \uc0b0\uc5c5 \uc2dc\uc124 \ud655\uc7a5<\/h3>\n<p><strong>\uc0c1\ud669<\/strong>: \uae30\uc874 \uc81c\uc870 \uc2dc\uc124\uc5d0\uc11c \ucd94\uac00 200A 3\uc0c1 \ubc30\uc804\ubc18\uc774 \ud544\uc694\ud55c \uc0c8\ub85c\uc6b4 \uc0dd\uc0b0 \ub77c\uc778\uc744 \ucd94\uac00\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc0c8 \ubc30\uc804\ubc18\uc740 \uae30\uc874 \uc8fc \ubd84\uc804\ubc18\uc5d0\uc11c 40m \ub5a8\uc5b4\uc9c4 \uacf3\uc5d0 \uc704\uce58\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\ubd84\uc11d<\/strong>:<\/p>\n<ul>\n<li>3\uc0c1 400V \uc0b0\uc5c5 \uc2dc\uc2a4\ud15c<\/li>\n<li>\uc18c\uc2a4\ub85c\ubd80\ud130 \uc801\ub2f9\ud55c \uac70\ub9ac (40m)<\/li>\n<li>\uae30\uc874 \uc8fc \ubc30\uc804\ubc18\uc758 \uace0\uc7a5 \uc804\ub958\ub294 25kA\uc785\ub2c8\ub2e4.<\/li>\n<li>\ucf00\uc774\ube14 \uc784\ud53c\ub358\uc2a4\ub294 \uc0c8 \ubc30\uc804\ubc18\uc758 \uace0\uc7a5 \uc804\ub958\ub97c \uc904\uc785\ub2c8\ub2e4.<\/li>\n<li>\uc0c8 \ubc30\uc804\ubc18 \uc704\uce58\uc5d0\uc11c \uacc4\uc0b0\ub41c PSCC \u2248 8.5kA<\/li>\n<\/ul>\n<p><strong>\uacb0\uc815<\/strong>: 10kA MCB\ub294 \uc0c8 \ubc30\uc804\ubc18\uc5d0 \uc801\ud569\ud558\uba70, \uc0c1\uc704 25kA \ubcf4\ud638 \uc7a5\uce58\uc640 \uc801\uc808\ud788 \uc870\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uace0\uc7a5 \uc804\ub958 \uacc4\uc0b0\uc744 \ubb38\uc11c\ud654\ud558\uace0 \ud5a5\ud6c4 \ud655\uc7a5\uc744 \uc704\ud574 \uae30\ub85d\uc744 \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2>\uc77c\ubc18\uc801\uc778 \uc2e4\uc218\ub97c \ubc29\uc9c0<\/h2>\n<h3>\uc2e4\uc218 1: 6kA\uac00 \uc8fc\uac70\uc6a9\uc73c\ub85c \ud56d\uc0c1 \uc801\ud569\ud558\ub2e4\uace0 \uac00\uc815<\/h3>\n<p>\ub9ce\uc740 \uc804\uae30 \uae30\uc220\uc790\ub294 \uc2e4\uc81c PSCC\ub97c \uacc4\uc0b0\ud558\uc9c0 \uc54a\uace0 \ubaa8\ub4e0 \uc8fc\uac70\uc6a9 \uc124\uce58\uc5d0 \ub300\ud574 \uae30\ubcf8\uc801\uc73c\ub85c 6kA MCB\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac00\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0\uc5d0 \uc2e4\ud328\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uace0\uc6a9\ub7c9 \uc720\ud2f8\ub9ac\ud2f0 \ub124\ud2b8\uc6cc\ud06c\uac00 \uc788\ub294 \ub3c4\uc2dc \uc9c0\uc5ed<\/li>\n<li>\ubc30\uc804 \ubcc0\uc555\uae30 \uadfc\ucc98\uc758 \uc8fc\ud0dd<\/li>\n<li>\uc9e7\uc740 \uc11c\ube44\uc2a4 \uc778\uc785 \ucf00\uc774\ube14\uc774 \uc788\ub294 \uc8fc \ubc30\uc804\ubc18<\/li>\n<li>\uc720\ud2f8\ub9ac\ud2f0 \uc778\ud504\ub77c\uac00 \uc5c5\uadf8\ub808\uc774\ub4dc\ub41c \uac1c\uc870 \uacf5\uc0ac<\/li>\n<\/ul>\n<p><strong>\uc194\ub8e8\uc158<\/strong>: \ud2b9\ud788 \uc8fc \ubc30\uc804\ubc18 \ubc0f \ub3c4\uc2dc \uc124\uce58\uc758 \uacbd\uc6b0 \ud56d\uc0c1 PSCC\ub97c \uacc4\uc0b0\ud558\uac70\ub098 \uce21\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uc2e4\uc218 2: 3\uc0c1 \uace0\uc7a5 \uc804\ub958 \uacf1\uc148 \ubb34\uc2dc<\/h3>\n<p>\ub2e8\uc0c1 \uace0\uc7a5 \uc804\ub958 \uacc4\uc0b0\uc740 3\uc0c1 \uc2dc\uc2a4\ud15c\uc5d0 \uc801\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \u221a3 \uacc4\uc218\uc640 \uc120\uac04 \uc804\uc555\uc740 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\ub97c \ud06c\uac8c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158<\/strong>: \uc801\uc808\ud55c 3\uc0c1 \uace0\uc7a5 \uc804\ub958 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uace0 \ubaa8\ub4e0 \uace0\uc7a5 \uc720\ud615 (3\uc0c1, \uc120\uac04, \uc120\ub300\uc9c0)\uc744 \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uc2e4\uc218 3: \ud5a5\ud6c4 \ud655\uc7a5\uc744 \uace0\ub824\ud558\uc9c0 \uc54a\uc74c<\/h3>\n<p>\uc804\uae30 \uc2dc\uc2a4\ud15c\uc740 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uc9c4\ud654\ud569\ub2c8\ub2e4. \uc720\ud2f8\ub9ac\ud2f0 \uc5c5\uadf8\ub808\uc774\ub4dc, \ucd94\uac00 \ubcc0\uc555\uae30 \ub610\ub294 \uc2dc\uc2a4\ud15c \uc218\uc815\uc740 \uc6d0\ub798 \uacc4\uc0b0\uc744 \ucd08\uacfc\ud558\uc5ec \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\ub97c \uc99d\uac00\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158<\/strong>: \uc548\uc804 \uc5ec\uc720\ub97c \ud655\ubcf4\ud558\uace0 PSCC\uac00 \ub0ae\uc740 \uc815\uaca9\uc758 \uc81c\ud55c\uc5d0 \uac00\uae4c\uc6cc\uc9c0\uba74 \ub2e4\uc74c\uc73c\ub85c \ub192\uc740 \ucc28\ub2e8 \uc6a9\ub7c9 \uc815\uaca9\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc744 \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uc2e4\uc218 4: \ubd80\uc801\uc808\ud558\uac8c \ud45c\uc900 \ud63c\ud569<\/h3>\n<p>IEC 60947-2\uc5d0 \uc758\ud574 \uad00\ub9ac\ub418\ub294 \uc0b0\uc5c5 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c IEC 60898-1 \uc8fc\uac70\uc6a9 MCB\ub97c \uc0ac\uc6a9\ud558\uba74 \uaddc\uc815 \uc900\uc218 \ubc0f \uc548\uc804 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158<\/strong>: \uc124\uce58\uc5d0 \uc801\uc6a9\ub418\ub294 \ud45c\uc900\uc744 \uc774\ud574\ud558\uace0 \uc801\uc808\ud55c \uc815\uaca9\uc758 \uc7a5\uce58\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624. \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 <a href=\"https:\/\/test.viox.com\/ko\/types-of-circuit-breakers\/\">\ub2e4\uc591\ud55c \uc720\ud615\uc758 \ud68c\ub85c \ucc28\ub2e8\uae30<\/a> \ubc0f \ud574\ub2f9 \uc751\uc6a9 \ubd84\uc57c\ub294 \ud3ec\uad04\uc801\uc778 \uac00\uc774\ub4dc\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2>\ube44\uc6a9-\ud3b8\uc775 \ubd84\uc11d: 6kA \ub300 10kA \ud22c\uc790<\/h2>\n<p>6kA\uc640 10kA MCB \uac04\uc758 \uac00\uaca9 \ucc28\uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 10-20%\uc774\uba70, \uc774\ub294 \ubd80\uc801\uc808\ud55c \ubcf4\ud638\uc758 \uacb0\uacfc\uc5d0 \ube44\ud574 \ucd5c\uc18c\ud55c\uc758 \ud22c\uc790\uc785\ub2c8\ub2e4. \ub2e4\uc74c \uc694\uc18c\ub97c \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>\uc9c1\uc811 \ube44\uc6a9<\/strong>:<\/p>\n<ul>\n<li>6kA MCB: \uae30\uc900 \uac00\uaca9<\/li>\n<li>10kA MCB: +10-20% \ud504\ub9ac\ubbf8\uc5c4<\/li>\n<li>\uc124\uce58 \uc778\uac74\ube44: \ub450 \uc815\uaca9 \ubaa8\ub450 \ub3d9\uc77c<\/li>\n<\/ul>\n<p><strong>\uacfc\uc18c \ud3c9\uac00\uc758 \uc704\ud5d8 \ube44\uc6a9<\/strong>:<\/p>\n<ul>\n<li>\ubd80\uc801\uc808\ud55c \uace0\uc7a5 \ubcf4\ud638\ub85c \uc778\ud55c \uc7a5\ube44 \uc190\uc0c1<\/li>\n<li>\ud654\uc7ac \ud53c\ud574 \ubc0f \ucc45\uc784<\/li>\n<li>\ucf54\ub4dc \uc704\ubc18 \ubc8c\uae08<\/li>\n<li>\ubcf4\ud5d8\uc758 \uc758\ubbf8<\/li>\n<li>\uac00\ub3d9 \uc911\uc9c0 \uc2dc\uac04 \ubc0f \ube44\uc988\ub2c8\uc2a4 \uc911\ub2e8<\/li>\n<li>\uace0\uc7a5 \ud6c4 \uad50\uccb4 \ube44\uc6a9<\/li>\n<\/ul>\n<p><strong>\uc801\uc808\ud55c \ud06c\uae30 \uc870\uc815\uc758 \uc7a5\uae30\uc801 \uac00\uce58<\/strong>:<\/p>\n<ul>\n<li>\ud5a5\uc0c1\ub41c \uc548\uc804 \ub9c8\uc9c4<\/li>\n<li>\ud5a5\ud6c4 \uc2dc\uc2a4\ud15c \uc131\uc7a5\uc5d0 \ub300\ud55c \uc218\uc6a9<\/li>\n<li>\ucc45\uc784 \ub178\ucd9c \uac10\uc18c<\/li>\n<li>\ubcf4\ud5d8\ub8cc \uac1c\uc120<\/li>\n<li>\ucf54\ub4dc \uc900\uc218 \uc2e0\ub8b0\ub3c4<\/li>\n<li>\uc7a5\ube44 \uc218\uba85 \uc5f0\uc7a5<\/li>\n<\/ul>\n<p><strong>\uc804\ubb38\uac00 \ucd94\ucc9c<\/strong>: PSCC \uacc4\uc0b0\uc774 \ub0ae\uc740 \uc815\uaca9\uc758 \uc81c\ud55c\uc5d0\uc11c 1kA \uc774\ub0b4\uc778 \uacbd\uc6b0 \ud56d\uc0c1 \ub354 \ub192\uc740 \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624. \ucd5c\uc18c\ud55c\uc758 \ube44\uc6a9 \ucc28\uc774\ub85c \uc0c1\ub2f9\ud55c \uc548\uc804 \ubc0f \uc2e0\ub8b0\uc131 \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3>10kA\uac00 \ud544\uc694\ud55c \uacf3\uc5d0 6kA MCB\ub97c \uc124\uce58\ud558\uba74 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/h3>\n<p>\ucc28\ub2e8 \uc6a9\ub7c9\uc774 \ubd80\uc801\uc808\ud55c MCB\ub97c \uc124\uce58\ud558\uba74 \uc2ec\uac01\ud55c \uc548\uc804 \uc704\ud5d8\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. MCB\uc758 \uc815\uaca9\uc744 \ucd08\uacfc\ud558\ub294 \uace0\uc7a5 \uc870\uac74\uc5d0\uc11c \uc7a5\uce58\uac00 \uc804\ub958\ub97c \ucc28\ub2e8\ud558\uc9c0 \ubabb\ud558\uc5ec \uc811\uc810 \uc6a9\uc811, \uc544\ud06c \ud50c\ub798\uc2dc \uc0ac\uace0, \uc778\ud074\ub85c\uc800 \ud30c\uc5f4 \ub610\ub294 \ud654\uc7ac\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. MCB\uc758 \ucc28\ub2e8 \uc6a9\ub7c9\uc740 \ud56d\uc0c1 \uc801\uc808\ud55c \uc548\uc804 \uc5ec\uc720\ub97c \ub450\uace0 \uc124\uce58 \uc9c0\uc810\uc5d0\uc11c\uc758 \uc608\uc0c1 \ub2e8\ub77d \ud68c\ub85c \uc804\ub958\ub97c \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc8fc\uac70 \uc2dc\uc124\uc758 \ubaa8\ub4e0 \uc124\uce58 \ud658\uacbd\uc5d0\uc11c \uc548\uc804\uc744 \uc704\ud574 10kA MCB\ub97c \uc0ac\uc6a9\ud574\ub3c4 \ub420\uae4c\uc694?<\/h3>\n<p>\uc608, \uc8fc\uac70 \uc2dc\uc124\uc5d0 6kA\ub85c \ucda9\ubd84\ud55c \uacf3\uc5d0 10kA MCB\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc740 \ucd94\uac00\uc801\uc778 \uc548\uc804 \uc5ec\uc720\ub97c \uc81c\uacf5\ud558\uace0 \uc720\ud2f8\ub9ac\ud2f0 \uc5c5\uadf8\ub808\uc774\ub4dc \ub610\ub294 \uc2dc\uc2a4\ud15c \uc218\uc815\uc5d0 \ub300\ube44\ud558\uc5ec \uc124\uce58\ub97c \ubbf8\ub798\uc5d0 \ub300\ube44\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \ube44\uc6a9 \ud504\ub9ac\ubbf8\uc5c4\uc740 \ubbf8\ubbf8(10-20%)\ud558\uba70 \uc0c1\ub2f9\ud55c \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubcc0\uc555\uae30\uc5d0 \ub9e4\uc6b0 \uac00\uae4c\uc6b4 \uc704\uce58\uc5d0 10kA\uac00 \uc801\uc808\ud55c\uc9c0 \ud655\uc778\ud558\ub824\uba74 \uc801\uc808\ud55c PSCC \uacc4\uc0b0\uc774 \uc5ec\uc804\ud788 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h3>\ub0b4 \uc124\ube44\uc758 \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958(PSCC)\ub294 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ud569\ub2c8\uae4c?<\/h3>\n<p>PSCC = V \/ Z_total \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec PSCC\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc11c V\ub294 \uc2dc\uc2a4\ud15c \uc804\uc555\uc774\uace0 Z_total\uc740 \uc18c\uc2a4\uc5d0\uc11c \uace0\uc7a5 \uc9c0\uc810\uae4c\uc9c0\uc758 \ucd1d \uc784\ud53c\ub358\uc2a4\uc785\ub2c8\ub2e4. \ubcc0\uc555\uae30 \uc784\ud53c\ub358\uc2a4, \ucf00\uc774\ube14 \uc784\ud53c\ub358\uc2a4 \ubc0f \uc720\ud2f8\ub9ac\ud2f0 \uc18c\uc2a4 \uc784\ud53c\ub358\uc2a4\ub97c \ud3ec\ud568\ud55c \uc790\uc138\ud55c \ub2e8\uacc4\ubcc4 \uacc4\uc0b0 \uc808\ucc28\ub294 \ub2e4\uc74c\uc758 \ud3ec\uad04\uc801\uc778 \uac00\uc774\ub4dc\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/how-to-calculate-short-circuit-current-for-mcb\/\">MCB \uc120\ud0dd\uc744 \uc704\ud55c \ub2e8\ub77d \ud68c\ub85c \uc804\ub958 \uacc4\uc0b0<\/a>.<\/p>\n<h3>Icn\uacfc Icu \uc815\uaca9\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p>Icn (\uc815\uaca9 \ub2e8\ub77d \ud68c\ub85c \uc6a9\ub7c9)\uc740 \uc8fc\uac70\uc6a9 MCB\uc5d0 \ub300\ud574 IEC 60898-1\uc5d0 \uc9c0\uc815\ub418\uc5b4 \uc788\uc73c\uba70 \uc7a5\uce58\uac00 \ud45c\uc900\uc758 \ud14c\uc2a4\ud2b8 \uc2dc\ud000\uc2a4\uc5d0 \ub530\ub77c \ucc28\ub2e8\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uc804\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. Icu (\ucd5c\ub300 \ub2e8\ub77d \ud68c\ub85c \ucc28\ub2e8 \uc6a9\ub7c9)\ub294 \uc0b0\uc5c5\uc6a9 MCCB\uc5d0 \ub300\ud574 IEC 60947-2\uc5d0 \uc9c0\uc815\ub418\uc5b4 \uc788\uc73c\uba70 \uc7a5\uce58\uac00 \ucc28\ub2e8\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uace0\uc7a5 \uc804\ub958\ub97c \ub098\ud0c0\ub0b4\uc9c0\ub9cc \uc774\ud6c4\uc5d0\ub294 \uc791\ub3d9\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 <a href=\"https:\/\/test.viox.com\/ko\/understanding-the-ka-rating-on-circuit-breakers\/\">\ud68c\ub85c \ucc28\ub2e8\uae30 \uc815\uaca9<\/a>, \uae30\uc220 \uac00\uc774\ub4dc\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>3\uc0c1 \uc2dc\uc2a4\ud15c\uc5d0 \ub354 \ub192\uc740 \ucc28\ub2e8 \uc6a9\ub7c9\uc774 \ud544\uc694\ud55c\uac00\uc694?<\/h3>\n<p>\uc608, 3\uc0c1 \uc2dc\uc2a4\ud15c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc2dc\uc2a4\ud15c \uc804\uc555(400V vs 230V)\uc774 \ub354 \ub192\uace0, \uace0\uc7a5 \uc2dc \uc804\ub958 \uacbd\ub85c\uac00 \uc5ec\ub7ec \uac1c\uc774\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \ub354 \ud070 \ubcc0\uc555\uae30 \uc6a9\ub7c9\uc73c\ub85c \uc778\ud574 \ub2e8\uc0c1 \uc2dc\uc2a4\ud15c\ubcf4\ub2e4 \ub354 \ub192\uc740 \ucc28\ub2e8 \uc6a9\ub7c9\uc758 MCB\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. 3\uc0c1 \uace0\uc7a5\uc740 \ub3d9\uc77c\ud55c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub2e8\uc0c1 \uace0\uc7a5\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \ub192\uc740 \uc804\ub958\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud56d\uc0c1 \uc801\uc808\ud55c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec 3\uc0c1 \uad6c\uc131\uc5d0 \ub300\ud55c PSCC\ub97c \uad6c\uccb4\uc801\uc73c\ub85c \uacc4\uc0b0\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\ucc28\ub2e8 \uc6a9\ub7c9 \uc694\uad6c \uc0ac\ud56d\uc744 \uc904\uc774\uae30 \uc704\ud574 \uce90\uc2a4\ucf00\uc774\ub529 \ub610\ub294 \ubc31\uc5c5 \ubcf4\ud638\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/h3>\n<p>\uce90\uc2a4\ucf00\uc774\ub529(\ubc31\uc5c5 \ubcf4\ud638\ub77c\uace0\ub3c4 \ud568)\uc740 \ucc28\ub2e8 \uc6a9\ub7c9\uc774 \ub0ae\uc740 \ud558\ub958 MCB\uac00 \uc6a9\ub7c9\uc774 \ub354 \ub192\uc740 \uc0c1\ub958 \uc7a5\uce58\uc5d0 \uc758\ud574 \ubcf4\ud638\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774 \uae30\uc220\uc740 \ub300\uaddc\ubaa8 \uc124\ube44\uc5d0\uc11c \ube44\uc6a9\uc744 \uc808\uac10\ud560 \uc218 \uc788\uc9c0\ub9cc \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c \uba85\uc2dc\uc801\uc73c\ub85c \ud655\uc778\ud558\uace0 \ubb38\uc11c\ud654\ud574\uc57c \ud569\ub2c8\ub2e4. \uc81c\uc870\uc5c5\uccb4\uc758 \uc870\uc815 \ud14c\uc774\ube14 \uc5c6\uc774 \uce90\uc2a4\ucf00\uc774\ub529 \ubcf4\ud638\ub97c \uac00\uc815\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc911\uc694\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 \ud56d\uc0c1 \uc801\uc808\ud55c \ub3c5\ub9bd \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uac00\uc9c4 MCB\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\ucc28\ub2e8 \uc6a9\ub7c9\uc774 \uc801\uc808\ud558\uac8c \uc720\uc9c0\ub418\ub294\uc9c0 \uc5bc\ub9c8\ub098 \uc790\uc8fc \ud655\uc778\ud574\uc57c \ud569\ub2c8\uae4c?<\/h3>\n<p>\ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 \ud56d\uc0c1 \ucc28\ub2e8 \uc6a9\ub7c9\uc758 \uc801\uc808\uc131\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<ul>\n<li>\uc720\ud2f8\ub9ac\ud2f0 \uc778\ud504\ub77c\uac00 \uc5c5\uadf8\ub808\uc774\ub4dc\ub41c \uacbd\uc6b0 (\uc0c8 \ubcc0\uc555\uae30, \uc11c\ube44\uc2a4 \uc5c5\uadf8\ub808\uc774\ub4dc)<\/li>\n<li>\uac74\ubb3c \uc804\uae30 \uc2dc\uc2a4\ud15c\uc774 \ud655\uc7a5\ub418\uac70\ub098 \uc218\uc815\ub41c \uacbd\uc6b0<\/li>\n<li>\uace0\uc7a5 \uc804\ub958\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\ub294 \ucd94\uac00 \ubd80\ud558\uac00 \uc5f0\uacb0\ub41c \uacbd\uc6b0<\/li>\n<li>\uc804\uae30 \ucf54\ub4dc\uac00 \uc0c8\ub85c\uc6b4 \uc694\uad6c \uc0ac\ud56d\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ub41c \uacbd\uc6b0<\/li>\n<li>\uc804\uae30 \ud328\ub110\uc5d0\uc11c 50\ubbf8\ud130 \uc774\ub0b4\uc5d0\uc11c \uc8fc\uc694 \uac1c\uc870 \uacf5\uc0ac\uac00 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0<\/li>\n<li>\uc815\uae30 \uc804\uae30 \uc548\uc804 \uc810\uac80\uc758 \uc77c\ud658\uc73c\ub85c (\ucd5c\uc18c 5-10\ub144\ub9c8\ub2e4)<\/li>\n<\/ul>\n<p>PSCC \uacc4\uc0b0 \uad00\ub828 \ubb38\uc11c\ub97c \uc720\uc9c0\ud558\uace0 \uc2dc\uc2a4\ud15c \ubcc0\uacbd \uc2dc \uc5c5\ub370\uc774\ud2b8\ud558\uc2ed\uc2dc\uc624.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 731.656px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 731.656px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Key Takeaways Breaking capacity (Icn\/Icu) represents the maximum fault current an MCB can safely interrupt without damage or failure, measured in kiloamperes (kA). 6kA MCBs are typically sufficient for residential installations where prospective short-circuit current (PSCC) remains below 5kA, particularly in locations distant from supply transformers. 10kA MCBs are recommended for commercial applications, urban installations, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21405,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":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":"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-21404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/21404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/comments?post=21404"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/21404\/revisions"}],"predecessor-version":[{"id":21407,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/21404\/revisions\/21407"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/media\/21405"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/media?parent=21404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/categories?post=21404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/tags?post=21404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}