{"id":20573,"date":"2025-12-17T08:12:32","date_gmt":"2025-12-17T00:12:32","guid":{"rendered":"https:\/\/viox.com\/?p=20573"},"modified":"2025-12-04T23:48:44","modified_gmt":"2025-12-04T15:48:44","slug":"standard-breaker-sizes","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ko\/standard-breaker-sizes\/","title":{"rendered":"\ud45c\uc900 \ucc28\ub2e8\uae30 \ud06c\uae30: MCCB \uc815\uaca9 \uc804\ub958 16A ~ 1600A"},"content":{"rendered":"<div class=\"product-intro\">\n<p>\uc62c\ubc14\ub978 \uc120\ud0dd<a href=\"https:\/\/test.viox.com\/ko\/mccb\/\"> \ubab0\ub4dc \ucf00\uc774\uc2a4 \ud68c\ub85c \ucc28\ub2e8\uae30(MCCB)\ub294<\/a> \ud45c\uc900 \ucc28\ub2e8\uae30 \ud06c\uae30\ub97c \uc774\ud574\ud558\ub294 \uac83\uc5d0\uc11c \uc2dc\uc791\ud569\ub2c8\ub2e4. <a href=\"http:\/\/voix.com\/mcb\" rel=\"nofollow noopener\" target=\"_blank\">\uc18c\ud615 \ud68c\ub85c \ucc28\ub2e8\uae30(MCB)<\/a> \ucd5c\uc885 \ud68c\ub85c\ub97c \ubcf4\ud638\ud558\ub294 \uac83\uacfc\ub294 \ub2ec\ub9ac, MCCB\ub294 16A \ubd84\uae30\uc120\uc5d0\uc11c 1600A \uc8fc \uc778\ucee4\uba38\uae4c\uc9c0 \ud6e8\uc52c \ub354 \ub113\uc740 \uc804\ub958 \ubc94\uc704\ub97c \ud3ec\uad04\ud558\uba70, \uc62c\ubc14\ub978 \uc815\uaca9\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uc2dc\uc2a4\ud15c \uc548\uc804, \uc870\uc815 \ubc0f \ud504\ub85c\uc81d\ud2b8 \ube44\uc6a9\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uac00\uc774\ub4dc\ub294 \uc804\uccb4 IEC 60947-2 \ud45c\uc900 \uc804\ub958 \uc815\uaca9\uc744 \ub9e4\ud551\ud558\uace0, \ud504\ub808\uc784 \ud06c\uae30 \ubc94\uc8fc\ub97c \uc124\uba85\ud558\uba70, \ucc28\ub2e8\uae30 \uc0ac\uc591\uc744 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub9de\ucd94\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ubaa8\ud130 \uacf5\uae09 \uc7a5\uce58, \uac74\ubb3c \uc11c\ube0c \uba54\uc778 \ub610\ub294 \uc2a4\uc704\uce58\uae30\uc5b4 \uc778\ucee4\uba38\uc758 \ud06c\uae30\ub97c \uc870\uc815\ud558\ub4e0 \ud544\uc694\ud55c \uae30\uc220\uc801 \uc138\ubd80 \uc815\ubcf4\uc640 \uc120\ud0dd \ub17c\ub9ac\ub97c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ube60\ub978 \ucc38\uc870: \ud45c\uc900 MCCB \uc804\ub958 \uc815\uaca9<\/h2>\n<p>IEC\ub97c \uc900\uc218\ud558\ub294 MCCB\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud45c\uc900 \uc815\uaca9\uc73c\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4.<\/p>\n<p><strong>16A<\/strong> | <strong>20A<\/strong> | <strong>25A<\/strong> | <strong>32A<\/strong> | <strong>40A<\/strong> | <strong>50A<\/strong> | <strong>63A<\/strong> | <strong>80A<\/strong> | <strong>100A<\/strong> | <strong>125A<\/strong> | <strong>160A<\/strong> | <strong>200A<\/strong> | <strong>250A<\/strong> | <strong>320A<\/strong> | <strong>400A<\/strong> | <strong>500A<\/strong> | <strong>630A<\/strong> | <strong>800A<\/strong> | <strong>1000A<\/strong> | <strong>1250A<\/strong> | <strong>1600A<\/strong><\/p>\n<p>\ubaa8\ub4e0 \uc81c\uc870\uc5c5\uccb4\uac00 \ubaa8\ub4e0 \ud504\ub808\uc784\uc5d0\uc11c \ubaa8\ub4e0 \uc815\uaca9\uc744 \uc81c\uacf5\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ud504\ub808\uc784 \ud06c\uae30(\uc18c\ud615, \uc911\ud615 \ub610\ub294 \ub300\ud615)\ub294 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc804\ub958 \uc815\uaca9\uacfc \ucc28\ub2e8\uae30\uac00 \ub2ec\uc131\ud560 \uc218 \uc788\ub294 \ucc28\ub2e8 \uc6a9\ub7c9(Icu\/Ics)\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/img.viox.com\/mccb-frame-size-comparison-showing-small-medium-and-large-frame-breakers.webp\" alt=\"MCCB Frame Size Comparison showing small, medium, and large frame breakers\" \/><figcaption>\uadf8\ub9bc 1: \ud504\ub808\uc784 \ubc94\uc8fc\uc5d0 \ub530\ub978 MCCB\uc758 \ubb3c\ub9ac\uc801 \ud06c\uae30 \uc9c4\ud589. \uc67c\ucabd\uc5d0\uc11c \uc624\ub978\ucabd\uc73c\ub85c: \uc18c\ud615 \ud504\ub808\uc784(63A), \uc911\ud615 \ud504\ub808\uc784(400A), \ub300\ud615 \ud504\ub808\uc784(1600A). \ud504\ub808\uc784 \ud06c\uae30\ub294 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ucd5c\ub300 \uc804\ub958 \uc815\uaca9 \ubc0f \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/figcaption><\/figure>\n<h2>IEC 60947-2 \ud45c\uc900 \uc815\uaca9 \uc774\ud574<\/h2>\n<p>IEC 60947-2\ub294 \ubaa8\ub4e0 MCCB\ub97c \ud3ec\ud568\ud558\uc5ec \uc800\uc804\uc555 \ud68c\ub85c \ucc28\ub2e8\uae30\uc758 \uc131\ub2a5 \uc694\uad6c \uc0ac\ud56d\uc744 \uc815\uc758\ud558\ub294 \uad6d\uc81c \ud45c\uc900\uc785\ub2c8\ub2e4. \ucc28\ub2e8\uae30 \uba85\ud310\uc5d0 \u201cIEC 60947-2\u201d\uac00 \ud45c\uc2dc\ub418\uc5b4 \uc788\uc73c\uba74 \uc7a5\uce58\uac00 \ud2b9\uc815 \uc804\uae30\uc801, \uae30\uacc4\uc801 \ubc0f \uc548\uc804 \uae30\uc900\uc744 \ucda9\uc871\ud558\ub3c4\ub85d \ud14c\uc2a4\ud2b8 \ubc0f \uc778\uc99d\ub418\uc5c8\uc74c\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc8fc\uc694 \uc815\uaca9 \ub9e4\uac1c\ubcc0\uc218<\/h3>\n<p>\ubaa8\ub4e0 MCCB \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud544\uc218 \uc815\uaca9\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>In (\uc815\uaca9 \uc804\ub958)<\/strong>: \ucc28\ub2e8\uae30\uac00 \ud2b8\ub9bd\ub418\uc9c0 \uc54a\uace0 \uae30\uc900 \uc8fc\ubcc0 \uc628\ub3c4(\uc77c\ubc18\uc801\uc73c\ub85c 40\u00b0C)\uc5d0\uc11c \uc6b4\ubc18\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uc5f0\uc18d \uc804\ub958\uc785\ub2c8\ub2e4. \uc774\uac83\uc740 \ucc28\ub2e8\uae30\uc758 \u201c\ud06c\uae30\u201d\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 250A MCCB\ub294 In = 250A\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>Ue (\uc815\uaca9 \uc791\ub3d9 \uc804\uc555)<\/strong>: \ucc28\ub2e8\uae30\uac00 \uc791\ub3d9\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \uc804\uc555\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc815\uaca9\uc5d0\ub294 3\uc0c1 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 230V, 400V, 690V AC \ub610\ub294 \ubc30\ud130\ub9ac \ubc0f \ud0dc\uc591\uad11 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 250V DC\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p><strong>Icu (\uc815\uaca9 \uadf9\ud55c \ub2e8\ub77d \ucc28\ub2e8 \uc6a9\ub7c9)<\/strong>: \ucc28\ub2e8\uae30\uac00 \ud55c \ubc88 \uc548\uc804\ud558\uac8c \ucc28\ub2e8\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uace0\uc7a5 \uc804\ub958(kA \ub2e8\uc704)\uc785\ub2c8\ub2e4. Icu \uc218\uc900\uc758 \uace0\uc7a5 \ud6c4 \ucc28\ub2e8\uae30\ub294 \uacc4\uc18d \uc0ac\uc6a9\ud558\uae30\uc5d0 \uc801\ud569\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uac12\uc740 \ud504\ub808\uc784 \ud06c\uae30\uc5d0 \ub530\ub77c 25kA\uc5d0\uc11c 100kA\uae4c\uc9c0\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>Ics (\uc815\uaca9 \uc11c\ube44\uc2a4 \ub2e8\ub77d \ucc28\ub2e8 \uc6a9\ub7c9)<\/strong>: \ucc28\ub2e8\uae30\uac00 \ucc28\ub2e8\ud558\uace0 \uacc4\uc18d \uc791\ub3d9\ud560 \uc218 \uc788\ub294 \uace0\uc7a5 \uc804\ub958 \uc218\uc900\uc785\ub2c8\ub2e4. IEC\ub294 Ics\ub97c Icu\uc758 \ubc31\ubd84\uc728\ub85c \uc815\uc758\ud569\ub2c8\ub2e4(\uc77c\ubc18\uc801\uc73c\ub85c 25%, 50%, 75% \ub610\ub294 100%). \uc911\uc694\ud55c \uc2dc\uc124\uc758 \uacbd\uc6b0 Ics = 100%\ub97c \uc9c0\uc815\ud558\uace0, \uc0c1\uc5c5\uc6a9 \uac74\ubb3c\uc758 \uacbd\uc6b0 75%\uac00 \ud45c\uc900 \uad00\ud589\uc785\ub2c8\ub2e4.<\/p>\n<h3>\ud65c\uc6a9 \uce74\ud14c\uace0\ub9ac<\/h3>\n<p>IEC 60947-2\ub294 \ub450 \uac00\uc9c0 \ubc94\uc8fc\ub97c \uc815\uc758\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uce74\ud14c\uace0\ub9ac A<\/strong>: \uc758\ub3c4\uc801\uc778 \uc2dc\uac04 \uc9c0\uc5f0 \uc5c6\uc774 \uc989\uac01\uc801\uc778 \ud2b8\ub9bd\uc744 \uc704\ud574 \uc124\uacc4\ub41c \ucc28\ub2e8\uae30\uc785\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 MCCB\ub294 \uc77c\ubc18 \ubc30\uc804 \ubc0f \ubaa8\ud130 \ubcf4\ud638\ub97c \uc704\ud574 \uc774 \ubc94\uc8fc\uc5d0 \uc18d\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uce74\ud14c\uace0\ub9ac B<\/strong>: \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\uce58\uc640\uc758 \uc120\ud0dd\uc801 \uc870\uc815\uc744 \uc704\ud574 \uc758\ub3c4\uc801\uc778 \uc2dc\uac04 \uc9c0\uc5f0(\ub0b4\uc804\uc555 \uae30\ub2a5)\uc774 \uc788\ub294 \ucc28\ub2e8\uae30\uc785\ub2c8\ub2e4. \uc120\ud0dd\uc131\uc774 \ud544\uc694\ud55c \uc5c5\uc2a4\ud2b8\ub9bc \uc704\uce58\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uc774\ub7ec\ud55c \uc815\uaca9\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h3>\n<p>MCCB\uc758 \ud06c\uae30\ub97c \uc870\uc815\ud560 \ub54c\ub294 \ub2e4\uc74c\uc744 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>In\uc740 \ubd80\ud558 \uc804\ub958\uc640 \uc77c\uce58\ud558\uac70\ub098 \ucd08\uacfc\ud569\ub2c8\ub2e4(\ub3cc\uc785 \ubc0f \ud5a5\ud6c4 \uc131\uc7a5\uc744 \uc704\ud55c \uc5ec\uc720 \ud3ec\ud568).<\/li>\n<li>Icu\ub294 \uc124\uce58 \uc9c0\uc810\uc758 \uc608\uc0c1 \uace0\uc7a5 \uc804\ub958\uc640 \uc77c\uce58\ud558\uac70\ub098 \ucd08\uacfc\ud569\ub2c8\ub2e4.<\/li>\n<li>Ics\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc911\uc694\ub3c4\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4(75-100%).<\/li>\n<li>\ud504\ub808\uc784 \ud06c\uae30\ub294 \ud544\uc694\ud55c In \ubc0f Icu \uc870\ud569\uc744 \uc218\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>250A \ubd80\ud558\uac00 \uc790\ub3d9\uc73c\ub85c 250A \ucc28\ub2e8\uae30\ub97c \ud544\uc694\ub85c \ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uace0\uc7a5 \uc218\uc900, \uc870\uc815 \uc694\uad6c \uc0ac\ud56d \ubc0f \ub514\ub808\uc774\ud305\uc774 \uc801\uc6a9\ub418\ub294\uc9c0 \uc5ec\ubd80(\ub192\uc740 \uc8fc\ubcc0 \uc628\ub3c4, \uadf8\ub8f9\ud654 \ub610\ub294 \uace0\uc870\ud30c \ud568\ub7c9)\ub3c4 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h2>MCCB \ud504\ub808\uc784 \ud06c\uae30 \ubc94\uc8fc<\/h2>\n<h3>\ud504\ub808\uc784 \ud06c\uae30 \ubd84\ub958<\/h3>\n<p>\uc81c\uc870\uc5c5\uccb4\ub294 \ub2e4\ub978 \uba85\uba85 \uaddc\uce59\uc744 \uc0ac\uc6a9\ud558\uc9c0\ub9cc \uc5c5\uacc4\uc5d0\uc11c\ub294 \uc138 \uac00\uc9c0 \uad11\ubc94\uc704\ud55c \ubc94\uc8fc\ub97c \uc778\uc2dd\ud569\ub2c8\ub2e4.<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>\ud504\ub808\uc784 \ubc94\uc8fc<\/strong><\/td>\n<td><strong>\uc77c\ubc18\uc801\uc778 \uc804\ub958 \ubc94\uc704<\/strong><\/td>\n<td><strong>\uc77c\ubc18\uc801\uc778 Icu \ubc94\uc704<\/strong><\/td>\n<td><strong>\uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\uc18c\ud615 \ud504\ub808\uc784<\/strong><\/td>\n<td>16A \u2013 250A<\/td>\n<td>25kA \u2013 50kA<\/td>\n<td>\ubd84\uae30 \ud68c\ub85c, \uc18c\ud615 \uacf5\uae09 \uc7a5\uce58, \ubaa8\ud130 \ubcf4\ud638<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc911\ud615 \ud504\ub808\uc784<\/strong><\/td>\n<td>250A \u2013 630A<\/td>\n<td>35kA \u2013 70kA<\/td>\n<td>\uc11c\ube0c \uba54\uc778, \uac74\ubb3c \uacf5\uae09 \uc7a5\uce58, \ubc30\uc804\ubc18<\/td>\n<\/tr>\n<tr>\n<td><strong>\ub300\ud615 \ud504\ub808\uc784<\/strong><\/td>\n<td>630A \u2013 1600A<\/td>\n<td>50kA \u2013 100kA<\/td>\n<td>\uc8fc \uc778\ucee4\uba38, \uc2a4\uc704\uce58\uae30\uc5b4, \uc0b0\uc5c5\uc6a9 \uba54\uc778<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\ud504\ub808\uc784 \ud06c\uae30\uac00 \uc911\uc694\ud55c \uc774\uc720<\/h3>\n<p><strong>\ucc28\ub2e8 \uc6a9\ub7c9 \uc81c\ud55c<\/strong>: \ub354 \ud070 \ud504\ub808\uc784\uc740 \ub354 \ub192\uc740 \uace0\uc7a5 \uc804\ub958\ub97c \ucc28\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc124\uce58 \uc9c0\uc810\uc5d0 65kA \uc608\uc0c1 \uace0\uc7a5 \uc804\ub958\uac00 \uc788\ub294 \uacbd\uc6b0 \uc911\ud615 \ub610\ub294 \ub300\ud615 \ud504\ub808\uc784\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc18c\ud615 \ud504\ub808\uc784\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ucd5c\ub300 50kA\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>\ubb3c\ub9ac\uc801 \uacf5\uac04<\/strong>: 1600A \ub300\ud615 \ud504\ub808\uc784 MCCB\ub294 \ud3ed\uc774 300mm \uc774\uc0c1\uc77c \uc218 \uc788\ub294 \ubc18\uba74, 63A \uc18c\ud615 \ud504\ub808\uc784 \ucc28\ub2e8\uae30\ub294 70mm\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud328\ub110 \uc124\uacc4\ub294 \ud2b9\ud788 \uac1c\uc870 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc774\ub7ec\ud55c \uce58\uc218\ub97c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\ube44\uc6a9 \ucd5c\uc801\ud654<\/strong>: \uacfc\ub3c4\ud558\uac8c \uc9c0\uc815\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. 30kA \uace0\uc7a5 \uc218\uc900\uc758 200A \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\ub294 \ub300\ud615 \ud504\ub808\uc784 \ucc28\ub2e8\uae30\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud328\ub110 \uacf5\uac04\uacfc \ube44\uc6a9\uc744 \uc808\uc57d\ud558\ub824\uba74 \uc18c\ud615 \ud504\ub808\uc784 250A \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>\uc870\uc815 \ubc94\uc704<\/strong>: \ub354 \ud070 \ud504\ub808\uc784\uc758 \uc804\uc790 \ud2b8\ub9bd \uc7a5\uce58\ub294 \uc885\uc885 In, Ir(\uc5f4) \ubc0f Im(\uc790\uae30) \uc124\uc815\uc744 \ud604\uc7a5\uc5d0\uc11c \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5f4-\uc790\uae30 \ud2b8\ub9bd\uc774 \uc788\ub294 \uc18c\ud615 \ud504\ub808\uc784\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uace0\uc815\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud504\ub808\uc784 \ub300 \uc815\uaca9: \uc2e4\uc81c \uc608<\/h3>\n<p>40kA \uace0\uc7a5 \uc218\uc900\uc758 \uc0c1\uc5c5\uc6a9 \uac74\ubb3c\uc5d0\uc11c 400A \uacf5\uae09 \uc7a5\uce58\ub97c \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/p>\n<ul>\n<li><strong>\uc635\uc158 1<\/strong>: \uc815\uaca9 400A \/ 50kA\uc758 \uc911\ud615 \ud504\ub808\uc784 MCCB\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4(In=400A, Icu=50kA).<\/li>\n<li><strong>\uc635\uc158 2<\/strong>: \uc815\uaca9 400A \/ 65kA\uc758 \ub300\ud615 \ud504\ub808\uc784 MCCB\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4(In=400A, Icu=65kA).<\/li>\n<\/ul>\n<p>\ub458 \ub2e4 400A \ubd80\ud558 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\uc9c0\ub9cc \uc635\uc158 1\uc740 40kA \uace0\uc7a5 \uc218\uc900\uc5d0 \uc801\ud569\ud55c \ub354 \uc791\uace0 \uc800\ub834\ud55c \ud504\ub808\uc784\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc635\uc158 2\ub294 \uc5ec\uc720\ub97c \uc81c\uacf5\ud558\uc9c0\ub9cc \ud328\ub110 \uacf5\uac04\uacfc \uc608\uc0b0\uc744 \ub0ad\ube44\ud569\ub2c8\ub2e4. \ud575\uc2ec\uc740 <strong>\uac00\uc7a5 \uc791\uc740 \ud504\ub808\uc784\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/strong> \uadc0\ud558\uc758 In \ubc0f Icu \uc694\uad6c \uc0ac\ud56d\uc744 \ubaa8\ub450 \ucda9\uc871\ud569\ub2c8\ub2e4.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/img.viox.com\/standard-mccb-current-ratings-chart-organized-by-frame-size.webp\" alt=\"Standard MCCB Current Ratings Chart organized by frame size\" \/><figcaption>\uadf8\ub9bc 2: \ud504\ub808\uc784 \ubc94\uc8fc\ubcc4\ub85c \uad6c\uc131\ub41c \uc804\uccb4 IEC 60947-2 \ud45c\uc900 \uc804\ub958 \uc815\uaca9. \uc18c\ud615 \ud504\ub808\uc784(16-250A)\uc740 \ubd84\uae30 \ud68c\ub85c \ubc0f \ubaa8\ud130 \ubcf4\ud638\ub97c \ucc98\ub9ac\ud558\uace0, \uc911\ud615 \ud504\ub808\uc784(250-630A)\uc740 \uac74\ubb3c \uacf5\uae09 \uc7a5\uce58 \ubc0f \ud558\uc704 \uc8fc\uc804\uc6d0\uc744 \ucc98\ub9ac\ud558\uba70, \ub300\ud615 \ud504\ub808\uc784(630-1600A)\uc740 \uc8fc \uc778\ucee4\uba38 \ubc0f \uac1c\ud3d0 \uc7a5\uce58\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/figcaption><\/figure>\n<h2>\uc18c\ud615 \ud504\ub808\uc784 MCCB (16A \u2013 250A)<\/h2>\n<p>\uc18c\ud615 \ud504\ub808\uc784 MCCB\ub294 \uc0c1\uc5c5 \ubc0f \uacbd\uacf5\uc5c5 \ud658\uacbd\uc5d0\uc11c \ub300\ubd80\ubd84\uc758 \ubd84\uae30 \ud68c\ub85c, \ud558\uc704 \uacf5\uae09 \uc7a5\uce58 \ubc0f \ubaa8\ud130 \ubcf4\ud638 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. MCB(\ucd5c\ub300 125A)\uc640 \ub354 \ud070 \ubc30\uc804 \ucc28\ub2e8\uae30 \uc0ac\uc774\uc758 \uac04\uaca9\uc744 \uba54\uc6c1\ub2c8\ub2e4.<\/p>\n<h3>\ud45c\uc900 \uc804\ub958 \uc815\uaca9<\/h3>\n<table>\n<tbody>\n<tr>\n<td><strong>\uc815\uaca9 (A)<\/strong><\/td>\n<td><strong>\uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong><\/td>\n<td><strong>\uc77c\ubc18\uc801\uc778 \ud2b8\ub9bd \uc720\ud615<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>16A<\/strong><\/td>\n<td>\uc18c\ud615 \ubaa8\ud130 \uacf5\uae09 \uc7a5\uce58, \uc870\uba85 \ud328\ub110<\/td>\n<td>\uc5f4-\uc790\uae30<\/td>\n<\/tr>\n<tr>\n<td><strong>20A<\/strong><\/td>\n<td>\uc7a5\ube44 \ud68c\ub85c, \uc18c\ud615 \ud38c\ud504<\/td>\n<td>\uc5f4-\uc790\uae30<\/td>\n<\/tr>\n<tr>\n<td><strong>25A<\/strong><\/td>\n<td>HVAC \uc7a5\uce58, \uc18c\ud615 \uae30\uacc4<\/td>\n<td>\uc5f4-\uc790\uae30<\/td>\n<\/tr>\n<tr>\n<td><strong>32A<\/strong><\/td>\n<td>\ubaa8\ud130 \uacf5\uae09 \uc7a5\uce58 (400V\uc5d0\uc11c \ucd5c\ub300 15kW)<\/td>\n<td>\uc5f4-\uc790\uae30<\/td>\n<\/tr>\n<tr>\n<td><strong>40A<\/strong><\/td>\n<td>\uc0c1\uc5c5\uc6a9 \uc8fc\ubc29 \uc7a5\ube44, \ub0c9\uac01\uae30<\/td>\n<td>\uc5f4-\uc790\uae30<\/td>\n<\/tr>\n<tr>\n<td><strong>50A<\/strong><\/td>\n<td>\uc911\ud615 \ubaa8\ud130 (22kW), UPS \uacf5\uae09 \uc7a5\uce58<\/td>\n<td>\uc5f4-\uc790\uae30<\/td>\n<\/tr>\n<tr>\n<td><strong>63A<\/strong><\/td>\n<td>\ubc30\uc804 \ud558\uc704 \uacf5\uae09 \uc7a5\uce58, \ub300\ud615 \ubaa8\ud130 (30kW)<\/td>\n<td>\uc5f4-\uc790\uae30 \/ \uc804\uc790<\/td>\n<\/tr>\n<tr>\n<td><strong>80A<\/strong><\/td>\n<td>\uac74\ubb3c \ud558\uc704 \ubc30\uc804, \ubaa8\ud130 \uc81c\uc5b4 \uc13c\ud130<\/td>\n<td>\uc5f4-\uc790\uae30 \/ \uc804\uc790<\/td>\n<\/tr>\n<tr>\n<td><strong>100A<\/strong><\/td>\n<td>\uce35 \ubc30\uc804\ubc18, \ub9ac\ud504\ud2b8 \ud68c\ub85c<\/td>\n<td>\uc5f4-\uc790\uae30 \/ \uc804\uc790<\/td>\n<\/tr>\n<tr>\n<td><strong>125A<\/strong><\/td>\n<td>\uac74\ubb3c \ub77c\uc774\uc800, \uc18c\uaddc\ubaa8 \uc0c1\uc5c5 \uc11c\ube44\uc2a4 \uc785\uad6c<\/td>\n<td>\uc804\uc790<\/td>\n<\/tr>\n<tr>\n<td><strong>160A<\/strong><\/td>\n<td>\ud558\uc704 \uc8fc\uc804\uc6d0, \ubc1c\uc804\uae30 \uc804\ud658 \uc2a4\uc704\uce58<\/td>\n<td>\uc804\uc790<\/td>\n<\/tr>\n<tr>\n<td><strong>200A<\/strong><\/td>\n<td>\uc0c1\uc5c5\uc6a9 \ud558\uc704 \uc8fc\uc804\uc6d0, \uc18c\uaddc\ubaa8 \uc0b0\uc5c5 \uacf5\uae09 \uc7a5\uce58<\/td>\n<td>\uc804\uc790<\/td>\n<\/tr>\n<tr>\n<td><strong>250A<\/strong><\/td>\n<td>\uac74\ubb3c \uc8fc \uacf5\uae09 \uc7a5\uce58, \uc0b0\uc5c5 \ubc30\uc804<\/td>\n<td>\uc804\uc790<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\uae30\uc220\uc801 \ud2b9\uc131<\/h3>\n<p><strong>\ub2e8 \uc6a9\ub7c9<\/strong>: \uc18c\ud615 \ud504\ub808\uc784 MCCB\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 25kA ~ 50kA\uc758 Icu \uc815\uaca9\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc0c1\uc5c5\uc6a9 \uac74\ubb3c(\uace0\uc7a5 \uc218\uc900 20-35kA)\uc758 \uacbd\uc6b0 36kA \ub610\ub294 50kA \ud504\ub808\uc784\uc774 \uc801\uc808\ud55c \ubcf4\ud638\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\ud2b8\ub9bd \uae30\uc220<\/strong>:<\/p>\n<ul>\n<li><strong>16A-63A<\/strong>: \uc77c\ubc18\uc801\uc73c\ub85c \uace0\uc815 \uc5f4-\uc790\uae30 (\ubc14\uc774\uba54\ud0c8 + \uc804\uc790\uae30 \ud2b8\ub9bd)<\/li>\n<li><strong>63A-250A<\/strong>: \uace0\uc815 \uc5f4-\uc790\uae30 \ubc0f \uc870\uc815 \uac00\ub2a5\ud55c \uc804\uc790 \ubc84\uc804 \ubaa8\ub450\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5<\/li>\n<li>\uc804\uc790 \ud2b8\ub9bd \uc7a5\uce58\ub294 \ubaa8\ud130 \uc870\uc815\uc5d0 \uc720\uc6a9\ud55c \uc870\uc815 \uac00\ub2a5\ud55c Ir (\uacfc\ubd80\ud558) \ubc0f Im (\ub2e8\ub77d) \uc124\uc815\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><strong>\uc0ac\uc6a9 \uac00\ub2a5\ud55c \uadf9 \uc218<\/strong>: 1P, 2P, 3P, 4P \uad6c\uc131. \ub2e8\uc0c1 \ud68c\ub85c\uc758 \uacbd\uc6b0 1P MCCB\uac00 MCB\ubcf4\ub2e4 \ub35c \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc18c\ud615 \ud504\ub808\uc784 MCCB\ub294 2P \ub610\ub294 3P\uc5d0\uc11c \uc2dc\uc791\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ubaa8\ud130 \ubcf4\ud638 \uc608<\/h3>\n<p>30kW \/ 400V 3\uc0c1 \ubaa8\ud130 (In \u2248 57A \uc804 \ubd80\ud558)\uc758 \uacbd\uc6b0:<\/p>\n<ol>\n<li><strong>\ucc28\ub2e8\uae30 \uc815\uaca9 \uc120\ud0dd<\/strong>: 63A MCCB \uc120\ud0dd (57A\ubcf4\ub2e4 \ud070 \ub2e4\uc74c \ud45c\uc900 \ud06c\uae30)<\/li>\n<li><strong>\ucc28\ub2e8 \uc6a9\ub7c9 \ud655\uc778<\/strong>: \uace0\uc7a5 \uc218\uc900\uc774 28kA\uc778 \uacbd\uc6b0 36kA \ub610\ub294 50kA Icu \uc9c0\uc815<\/li>\n<li><strong>\ud2b8\ub9bd \uc124\uc815<\/strong>: Ir\uc744 0.95 x In (54A \uc5f4 \ubcf4\ud638)\uc73c\ub85c \uc124\uc815\ud558\uc5ec \uc870\uc815 \uac00\ub2a5\ud55c \uc804\uc790 \ud2b8\ub9bd \uc0ac\uc6a9<\/li>\n<li><strong>\uc870\uc815<\/strong>: \uc790\uae30 \uc784\uacc4\uac12 Im\uc774 \ubaa8\ud130 \uae30\ub3d9 \uc804\ub958\ubcf4\ub2e4 \ud070\uc9c0 \ud655\uc778 (\uc77c\ubc18\uc801\uc73c\ub85c 6-8 x In)<\/li>\n<\/ol>\n<h3>\uc18c\ud615 \ud504\ub808\uc784\uc744 \uc120\ud0dd\ud574\uc57c \ud558\ub294 \uacbd\uc6b0<\/h3>\n<ul>\n<li><strong>\ubd80\ud558 \uc804\ub958<\/strong> \u2264 250A<\/li>\n<li><strong>\uace0\uc7a5 \uc218\uc900<\/strong> \u2264 50kA<\/li>\n<li><strong>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/strong> \ubaa8\ud130, \uae30\uacc4 \ub610\ub294 \uac74\ubb3c \ud558\uc704 \ubc30\uc804\uacfc \uad00\ub828\ub428<\/li>\n<li><strong>\uacf5\uac04<\/strong> \uc81c\ud55c\ub428 (\uc77c\ubc18\uc801\uc73c\ub85c \uadf9 \uc218\uc5d0 \ub530\ub77c 70-140mm \ub108\ube44)<\/li>\n<\/ul>\n<p>\uac04\ub2e8\ud55c \uc800\ud56d \ubd80\ud558\ub97c \ubcf4\ud638\ud558\ub294 \ub354 \ub0ae\uc740 \uc815\uaca9 (16-32A)\uc758 \uacbd\uc6b0 MCB\uac00 \ub354 \ube44\uc6a9 \ud6a8\uc728\uc801\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc870\uc815 \uac00\ub2a5\ud55c \ud2b8\ub9bd \uc124\uc815, \ub354 \ub192\uc740 \ucc28\ub2e8 \uc6a9\ub7c9 \ub610\ub294 \ub354 \ub098\uc740 \uc120\ud0dd\uc131 \uc870\uc815\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 MCCB\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2>\uc911\ud615 \ud504\ub808\uc784 MCCB (250A \u2013 630A)<\/h2>\n<p>\uc911\ud615 \ud504\ub808\uc784 MCCB\ub294 \uc0c1\uc5c5 \ubc0f \uc0b0\uc5c5 \ubc30\uc804 \uc2dc\uc2a4\ud15c\uc758 \uc911\ucd94 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uac74\ubb3c \uacf5\uae09 \uc7a5\uce58, \ud558\uc704 \uc8fc\uc804\uc6d0 \ubc0f \uc911\uc804\uc555 \ubcc0\uc555\uae30 2\ucc28\uce21\uc744 \ubcf4\ud638\ud569\ub2c8\ub2e4. \uc774 \ubc94\uc704\ub294 \uc0ac\ubb34\uc2e4 \uac74\ubb3c, \uc1fc\ud551 \uc13c\ud130 \ubc0f \uc81c\uc870 \uc2dc\uc124\uc5d0\uc11c \ub300\ubd80\ubd84\uc758 \uc8fc \ubc30\uc804\ubc18 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n<h3>\ud45c\uc900 \uc804\ub958 \uc815\uaca9<\/h3>\n<table>\n<tbody>\n<tr>\n<td><strong>\uc815\uaca9 (A)<\/strong><\/td>\n<td><strong>\uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong><\/td>\n<td><strong>\uc77c\ubc18\uc801\uc778 Icu \ubc94\uc704<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>250A<\/strong><\/td>\n<td>\uac74\ubb3c \uc8fc \uacf5\uae09 \uc7a5\uce58, \uc0b0\uc5c5 \ud558\uc704 \ubc30\uc804<\/td>\n<td>35kA \u2013 65kA<\/td>\n<\/tr>\n<tr>\n<td><strong>320A<\/strong><\/td>\n<td>\uc0c1\uc5c5\uc6a9 \uc8fc \uacf5\uae09 \uc7a5\uce58, \uc911\ud615 \uc0b0\uc5c5 \ubd80\ud558<\/td>\n<td>35kA \u2013 65kA<\/td>\n<\/tr>\n<tr>\n<td><strong>400A<\/strong><\/td>\n<td>\uac74\ubb3c \uc11c\ube44\uc2a4 \uc785\uad6c (\uc18c\ud615-\uc911\ud615), \uacf5\uc815 \uc7a5\ube44<\/td>\n<td>35kA \u2013 70kA<\/td>\n<\/tr>\n<tr>\n<td><strong>500A<\/strong><\/td>\n<td>\ub300\ud615 \uac74\ubb3c \uacf5\uae09 \uc7a5\uce58, \uc0b0\uc5c5 \uc8fc\uc804\uc6d0<\/td>\n<td>50kA \u2013 70kA<\/td>\n<\/tr>\n<tr>\n<td><strong>630A<\/strong><\/td>\n<td>\uc8fc \ubc30\uc804\ubc18, \ubcc0\uc555\uae30 2\ucc28\uce21 \ubcf4\ud638<\/td>\n<td>50kA \u2013 85kA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\uae30\uc220\uc801 \ud2b9\uc131<\/h3>\n<p><strong>\ub2e8 \uc6a9\ub7c9<\/strong>: \uc911\ud615 \ud504\ub808\uc784\uc740 \uc8fc \ubc30\uc804 \uc9c0\uc810\uc5d0\uc11c \uc77c\ubc18\uc801\uc778 \ub192\uc740 \uace0\uc7a5 \uc804\ub958\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \ub354 \ub192\uc740 Icu \uc815\uaca9 (35-85kA)\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud604\uc7a5 \ubc1c\uc804 \ub610\ub294 \uadfc\uc811 \ubcc0\uc555\uae30 \uacb0\ud569\uc774 \uc788\ub294 \uc0b0\uc5c5 \ud604\uc7a5\uc5d0\uc11c\ub294 \uc885\uc885 40-65kA \ubc94\uc704\uc758 \uace0\uc7a5 \uc218\uc900\uc744 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>\uc804\uc790 \ud2b8\ub9bd \uc720\ub2db<\/strong>: \uac70\uc758 \ubaa8\ub4e0 \uc911\ud615 \ud504\ub808\uc784 MCCB\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc804\uc790 \ud2b8\ub9bd \uae30\uc220\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>Ir (\uacfc\ubd80\ud558)<\/strong>: 0.4 ~ 1.0 x In\uc5d0\uc11c \uc870\uc815 \uac00\ub2a5, \uc2dc\uac04 \uc9c0\uc5f0 \uc5f4 \ubcf4\ud638<\/li>\n<li><strong>Isd (\ub2e8\uae30 \uc9c0\uc5f0)<\/strong>: \uc77c\ubc18\uc801\uc73c\ub85c 1.5-10 x In\uc758 \uc870\uc815 \uac00\ub2a5\ud55c \uc21c\uc2dc \ub2e8\ub77d \ud68c\ub85c \uc784\uacc4\uac12<\/li>\n<li><strong>Ii (\uc21c\uc2dc)<\/strong>: \uace0\uc7a5 \ub808\ubca8 \uc624\ub958\uc5d0 \ub300\ud55c \uc790\uae30 \ud2b8\ub9bd (\uc77c\ubd80 \uc7a5\uce58\uc5d0\uc11c \uc635\uc158)<\/li>\n<li><strong>\uc811\uc9c0 \uc624\ub958<\/strong>: \ud5a5\uc0c1\ub41c \uc548\uc804\uc744 \uc704\ud55c \uc120\ud0dd\uc801 \uc811\uc9c0 \uc624\ub958 \ubcf4\ud638 \ubaa8\ub4c8<\/li>\n<\/ul>\n<p><strong>\ud504\ub808\uc784 \ud3ed<\/strong>: 3\uadf9 \uc7a5\uce58\uc758 \uacbd\uc6b0 140-180mm, 4\uadf9\uc758 \uacbd\uc6b0 190-240mm\uc758 \ud3ed\uc774 \uc608\uc0c1\ub429\ub2c8\ub2e4. \ud328\ub110 \ucef7\uc544\uc6c3 \uce58\uc218\ub97c \uc2e0\uc911\ud558\uac8c \uacc4\ud68d\ud558\uc2ed\uc2dc\uc624. \uc774\ub7ec\ud55c \ucc28\ub2e8\uae30\ub294 \uc18c\ud615 \ud504\ub808\uc784\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \ub9ce\uc740 \uacf5\uac04\uc744 \ucc28\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc758\uc0ac\uc18c\ud1b5<\/strong>: \ub9ce\uc740 \uc911\uac04 \ud504\ub808\uc784 MCCB\ub294 \ube4c\ub529 \uad00\ub9ac \uc2dc\uc2a4\ud15c (BMS) \ub610\ub294 SCADA\uc5d0 \ud1b5\ud569\ud558\uae30 \uc704\ud55c \ud1b5\uc2e0 \ubaa8\ub4c8 (Modbus RTU, Profibus, Ethernet)\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc870\uc815 \ubc0f \uc120\ud0dd\uc131<\/h3>\n<p>\uc774 \uc804\ub958 \ub808\ubca8\uc5d0\uc11c, <strong>\uc120\ud0dd\uc801 \ud611\uc870<\/strong> \uc911\uc694\ud574\uc9d1\ub2c8\ub2e4. \uc5c5\uc2a4\ud2b8\ub9bc 630A \ubc0f \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc 250A \ucc28\ub2e8\uae30\uac00 \uc801\uc808\ud558\uac8c \ucc28\ub2e8\ub418\ub294\uc9c0 \ud655\uc778\ud558\ub824\uba74 \uc2dc\uac04-\uc804\ub958 \uace1\uc120 \ubd84\uc11d\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub2e4\ub978 \ud2b8\ub9bd \uae30\uc220 \uc0ac\uc6a9<\/strong>: \uc5c5\uc2a4\ud2b8\ub9bc \uc804\uc790\uc2dd (\uc870\uc815 \uac00\ub2a5\ud55c \uc2dc\uac04 \uc9c0\uc5f0) + \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc5f4-\uc790\uae30\uc2dd (\ube60\ub984)<\/li>\n<li><strong>\uc2dc\uac04-\uc804\ub958 \uace1\uc120 \ud655\uc778<\/strong>: \ubaa8\ub4e0 \uace0\uc7a5 \ub808\ubca8\uc5d0\uc11c \ucd5c\uc18c 100-200ms\uc758 \ucc28\ub2e8 \uc2dc\uac04\uc744 \ud655\ubcf4\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>S-\uc2dc\ub9ac\uc988 \ub610\ub294 ZSI \uace0\ub824<\/strong>: \uc77c\ubd80 \uc81c\uc870\uc5c5\uccb4\ub294 \ubcf4\uc7a5\ub41c \uc870\uc815\uc744 \uc704\ud574 \u201c\uc120\ud0dd\uc801\u201d \ub610\ub294 \uc601\uc5ed \uc120\ud0dd\uc801 \uc778\ud130\ub85d\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\ubcc0\uc555\uae30 2\ucc28 \ubcf4\ud638 \uc608<\/h3>\n<p>1000kVA \/ 400V \ubcc0\uc555\uae30\uc758 \uacbd\uc6b0 (In \u2248 1443A 2\ucc28):<\/p>\n<ol>\n<li><strong>\uace0\uc7a5 \ub808\ubca8 \uacc4\uc0b0<\/strong>: \ubcc0\uc555\uae30 \uc784\ud53c\ub358\uc2a4 Zk = 6%\uc778 \uacbd\uc6b0 2\ucc28 \uace0\uc7a5 \u2248 24 x In = 34.6kA<\/li>\n<li><strong>\ucc28\ub2e8\uae30 \uc815\uaca9 \uc120\ud0dd<\/strong>: 630A MCCB\ub97c \uc8fc \ucc28\ub2e8\uae30\ub85c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624 (~440kW\uae4c\uc9c0 \ud5a5\ud6c4 \ubd80\ud558 \uc99d\uac00 \ud5c8\uc6a9)<\/li>\n<li><strong>\ucc28\ub2e8 \uc6a9\ub7c9 \uc9c0\uc815<\/strong>: Icu \u2265 35kA; \ub9c8\uc9c4\uc744 \uc704\ud574 50kA \ub610\ub294 65kA \ud504\ub808\uc784 \uc120\ud0dd<\/li>\n<li><strong>\ud2b8\ub9bd \uc124\uc815<\/strong>: Ir = 0.8 x 630A = 504A (\uacfc\ubd80\ud558 \ud2b8\ub9bd \uc5c6\uc774 1443A \ud53c\ub354 \ud5c8\uc6a9)<\/li>\n<li><strong>\uc870\uc815<\/strong>: \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc 250A \ucc28\ub2e8\uae30\uc640\uc758 \uc120\ud0dd\uc131\uc744 \uc704\ud574 0.2\ucd08 \uc9c0\uc5f0\uc73c\ub85c Isd = 3000A \uc124\uc815<\/li>\n<\/ol>\n<h3>\uc911\uac04 \ud504\ub808\uc784\uc744 \uc120\ud0dd\ud574\uc57c \ud558\ub294 \uacbd\uc6b0<\/h3>\n<ul>\n<li><strong>\ubd80\ud558 \uc804\ub958<\/strong> 250-630A<\/li>\n<li><strong>\uace0\uc7a5 \uc218\uc900<\/strong> 30-85kA<\/li>\n<li><strong>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/strong> \uc8fc \ubc30\uc804\ubc18, \uac74\ubb3c \uc11c\ube44\uc2a4 \uc785\uad6c \ub610\ub294 \uc0b0\uc5c5\uc6a9 \ud53c\ub354\uc640 \uad00\ub828\ub428<\/li>\n<li><strong>\uc120\ud0dd\uc131<\/strong> \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ucc28\ub2e8\uae30\uc640\uc758 \uc870\uc815\uc774 \ud544\uc694\ud568<\/li>\n<li><strong>\uc758\uc0ac\uc18c\ud1b5<\/strong> BMS\/SCADA\uc640\uc758 \ud1b5\ud569\uc774 \ud544\uc694\ud568<\/li>\n<\/ul>\n<h2>\ub300\ud615 \ud504\ub808\uc784 MCCB (630A \u2013 1600A)<\/h2>\n<p>\ub300\ud615 \ud504\ub808\uc784 MCCB\ub294 \uc8fc \uc778\ucee4\uba38, \uc2a4\uc704\uce58\uae30\uc5b4 \ubc84\uc2a4 \uc139\uc158 \ubc0f \uc911\uacf5\uc5c5 \ubd80\ud558\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucc28\ub2e8\uae30\ub294 \uc720\ud2f8\ub9ac\ud2f0 \uacf5\uae09 (\ub610\ub294 \ud604\uc7a5 \ubc1c\uc804)\uacfc \uc2dc\uc124\uc758 \ubc30\uc804 \uc2dc\uc2a4\ud15c \uac04\uc758 \uc8fc\uc694 \ubcf4\ud638 \uc7a5\uce58 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \uaddc\ubaa8\uc5d0\uc11c\ub294 \ub2e8\uc77c \ucc28\ub2e8\uae30 \uace0\uc7a5\uc73c\ub85c \uc778\ud574 \uc804\uccb4 \uac74\ubb3c \ub610\ub294 \uc0dd\uc0b0 \ub77c\uc778\uc774 \uc911\ub2e8\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc548\uc815\uc131\uacfc \uc870\uc815\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h3>\ud45c\uc900 \uc804\ub958 \uc815\uaca9<\/h3>\n<table>\n<tbody>\n<tr>\n<td><strong>\uc815\uaca9 (A)<\/strong><\/td>\n<td><strong>\uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong><\/td>\n<td><strong>\uc77c\ubc18\uc801\uc778 Icu \ubc94\uc704<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>630A<\/strong><\/td>\n<td>\uc18c\uaddc\ubaa8 \uc0b0\uc5c5 \uc8fc \uc778\ucee4\uba38, \ub300\ud615 \uac74\ubb3c \uc11c\ube44\uc2a4<\/td>\n<td>50kA \u2013 100kA<\/td>\n<\/tr>\n<tr>\n<td><strong>800A<\/strong><\/td>\n<td>\uc911\uac04 \uaddc\ubaa8 \uc0b0\uc5c5 \uc8fc, \ub2e4\uc911 \uac74\ubb3c \ucea0\ud37c\uc2a4 \ubc30\uc804<\/td>\n<td>65kA \u2013 100kA<\/td>\n<\/tr>\n<tr>\n<td><strong>1000A<\/strong><\/td>\n<td>\uc0b0\uc5c5 \uc8fc \uc2a4\uc704\uce58\ubcf4\ub4dc, \ub370\uc774\ud130 \uc13c\ud130 UPS \uc778\ucee4\uba38<\/td>\n<td>65kA \u2013 100kA<\/td>\n<\/tr>\n<tr>\n<td><strong>1250A<\/strong><\/td>\n<td>\uc911\uacf5\uc5c5 \uc8fc, \ub300\uaddc\ubaa8 \uc0c1\uc5c5 \ub2e8\uc9c0<\/td>\n<td>85kA \u2013 100kA<\/td>\n<\/tr>\n<tr>\n<td><strong>1600A<\/strong><\/td>\n<td>\ucd5c\ub300 MCCB \uc815\uaca9; \uc8fc \uc2a4\uc704\uce58\uae30\uc5b4, \uc8fc \uc778\ucee4\uba38<\/td>\n<td>85kA \u2013 150kA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\uae30\uc220\uc801 \ud2b9\uc131<\/h3>\n<p><strong>\ub2e8 \uc6a9\ub7c9<\/strong>: \ub300\ud615 \ud504\ub808\uc784\uc740 MCCB \uae30\uc220\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uac00\uc7a5 \ub192\uc740 Icu \uc815\uaca9 (65-150kA)\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \ub808\ubca8 \uc774\uc0c1\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c <a href=\"https:\/\/test.viox.com\/ko\/complete-guide-to-air-circuit-breakers-acb\/\">\uacf5\uae30 \ud68c\ub85c \ucc28\ub2e8\uae30(ACB)<\/a> \uc778\ucd9c\uc2dd \uad6c\uc870\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uace0\uae09 \uc804\uc790 \ud2b8\ub9bd \uc7a5\uce58<\/strong>: \ub300\ud615 \ud504\ub808\uc784 MCCB\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc815\uad50\ud55c \ub9c8\uc774\ud06c\ub85c\ud504\ub85c\uc138\uc11c \uc81c\uc5b4 \ud2b8\ub9bd \uc7a5\uce58\ub97c \ud2b9\uc9d5\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud504\ub85c\uadf8\ub798\ubc0d \uac00\ub2a5\ud55c \uc2dc\uac04-\uc804\ub958 \uace1\uc120<\/strong>: ANSI \uace1\uc120, IEC \uace1\uc120 \ub610\ub294 \uc0ac\uc6a9\uc790 \uc815\uc758 \uc124\uc815<\/li>\n<li><strong>\uc811\uc9c0 \uc624\ub958 \ubcf4\ud638<\/strong>: \uc870\uc815 \uac00\ub2a5\ud55c \uac10\ub3c4 \ubc0f \uc2dc\uac04 \uc9c0\uc5f0 (30mA ~ 1200A)<\/li>\n<li><strong>\uc911\uc131\uc120 \ubcf4\ud638<\/strong>: \uc911\uc131\uc120 \uc804\ub958 \ubaa8\ub2c8\ud130\ub9c1 \uae30\ub2a5\uc774 \uc788\ub294 4\uadf9 \uc7a5\uce58<\/li>\n<li><strong>\uc544\ud06c \uc624\ub958 \uac10\uc9c0<\/strong>: \ud654\uc7ac \uc608\ubc29\uc744 \uc704\ud55c \uc120\ud0dd\uc801 AFCI \ubaa8\ub4c8<\/li>\n<li><strong>\uacc4\ub7c9 \ubc0f \ub370\uc774\ud130 \ub85c\uae45<\/strong>: \uc2e4\uc2dc\uac04 \uc804\ub958, \uc804\uc555, \uc804\ub825, \uc5d0\ub108\uc9c0, \uace0\uc870\ud30c<\/li>\n<li><strong>\ud1b5\uc2e0 \ud504\ub85c\ud1a0\ucf5c<\/strong>: \ud1b5\ud569\uc744 \uc704\ud55c Modbus TCP\/IP, Profinet, BACnet<\/li>\n<\/ul>\n<p><strong>\ubb3c\ub9ac\uc801 \ud06c\uae30<\/strong>: 1600A 4\uadf9 MCCB\ub294 300mm (W) x 380mm (H) x 140mm (D)\ub97c \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubb34\uac8c\ub294 15kg\uc744 \ucd08\uacfc\ud569\ub2c8\ub2e4. \uc124\uce58\uc5d0\ub294 \uc801\uc808\ud55c \ud1a0\ud06c \uc0ac\uc591 (\uc885\uc885 40-60 Nm \ub2e8\uc790 \ud1a0\ud06c)\uc73c\ub85c \uc815\uaca9 \ubd80\uc2a4\ubc14 \ub610\ub294 \ucf00\uc774\ube14 \ub7ec\uadf8\uc5d0 \uc548\uc804\ud558\uac8c \uc7a5\ucc29\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\ud14c\uc2a4\ud2b8 \ubc0f \uc720\uc9c0 \uad00\ub9ac<\/strong>: IEC 60947-2\ub294 \ub300\ud615 \ud504\ub808\uc784 MCCB\uac00 \ud2b9\uc815 \ud14c\uc2a4\ud2b8 \uc2dc\ud000\uc2a4\ub97c \uacac\ub51c \uc218 \uc788\ub3c4\ub85d \uc694\uad6c\ud569\ub2c8\ub2e4. \uc8fc\uc694 \uc624\ub958 (Icu \uadfc\ucc98) \ud6c4\uc5d0\ub294 \uc811\uc810 \uce68\uc2dd, \uc544\ud06c \uc288\ud2b8 \uc0c1\ud0dc \ubc0f \uba54\ucee4\ub2c8\uc998 \ub9c8\ubaa8\ub97c \uac80\uc0ac\ud558\uc2ed\uc2dc\uc624. \ub9ce\uc740 \uc0ac\uc774\ud2b8\uc5d0\uc11c \uc5f0\uac04 \ud2b8\ub9bd \ud14c\uc2a4\ud2b8 \ubc0f 3-5\ub144 \uc811\uc810 \uc800\ud56d \uc810\uac80\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc2a4\uc704\uce58\uae30\uc5b4 \uc8fc \uc778\ucee4\uba38 \uc608<\/h3>\n<p>2500kVA \/ 400V \uc0b0\uc5c5 \uc2dc\uc124\uc758 \uacbd\uc6b0 (\uc608\uc0c1 \ubd80\ud558 3608A, \uc218\uc694 \uacc4\uc218 0.6 = 2165A):<\/p>\n<ol>\n<li><strong>\uace0\uc7a5 \ub808\ubca8 \uacc4\uc0b0<\/strong>: \uc720\ud2f8\ub9ac\ud2f0 \uace0\uc7a5 \uae30\uc5ec\ub3c4 = \uc11c\ube44\uc2a4 \uc9c0\uc810\uc5d0\uc11c 80kA<\/li>\n<li><strong>\ucc28\ub2e8\uae30 \uc815\uaca9 \uc120\ud0dd<\/strong>: 1600A MCCB \uc120\ud0dd (2165A \uc218\uc694 \uc774\uc0c1\uc758 \ub2e4\uc74c \ud45c\uc900 \ud06c\uae30, \uc131\uc7a5 \ud5c8\uc6a9)<\/li>\n<li><strong>\ucc28\ub2e8 \uc6a9\ub7c9 \uc9c0\uc815<\/strong>: Icu \u2265 80kA; \uc548\uc804 \ub9c8\uc9c4\uc744 \uc704\ud574 100kA \ud504\ub808\uc784 \uc120\ud0dd<\/li>\n<li><strong>\ud2b8\ub9bd \uc124\uc815<\/strong>: Ir = 0.9 x 1600A = 1440A, Isd = 6400A \/ 0.4s, Ii = 15000A<\/li>\n<li><strong>\uc870\uc815<\/strong>: \uc2dc\uac04-\uc804\ub958 \uace1\uc120\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc 630A \ud53c\ub354\uc640\uc758 \uc120\ud0dd\uc131\uc744 \uac80\uc99d\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc758\uc0ac\uc18c\ud1b5<\/strong>: \ubd80\ud558 \ubaa8\ub2c8\ud130\ub9c1 \ubc0f \uc6d0\uaca9 \ud2b8\ub9bd \uae30\ub2a5\uc744 \uc704\ud574 SCADA\uc5d0 \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h3>ACB \ub300 \ub300\ud615 \ud504\ub808\uc784 MCCB<\/h3>\n<p><strong>\ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 MCCB\ub97c \uace0\uc218\ud558\uc2ed\uc2dc\uc624.<\/strong>:<\/p>\n<ul>\n<li>\uc804\ub958 \u2264 1600A<\/li>\n<li>\uace0\uc7a5 \uc218\uc900 \u2264 100kA (\ub610\ub294 \uace0\uc131\ub2a5 \ubaa8\ub378\uc758 \uacbd\uc6b0 150kA)<\/li>\n<li>\uace0\uc815 \uc124\uce58 (\uc778\ucd9c\uc2dd \uc11c\ube44\uc2a4 \uc694\uad6c \uc0ac\ud56d \uc5c6\uc74c)<\/li>\n<li>\uc608\uc0b0 \uc81c\uc57d\uc73c\ub85c \uc778\ud574 ACB\ubcf4\ub2e4 \uc18c\ud615 MCCB\uac00 \uc120\ud638\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><strong>\ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 ACB\ub85c \uc804\ud658\ud558\uc2ed\uc2dc\uc624.<\/strong>:<\/p>\n<ul>\n<li>\uc804\ub958 &gt; 1600A (ACB\ub294 6300A+\uae4c\uc9c0 \ud655\uc7a5\ub428)<\/li>\n<li>\uac00\ub3d9 \uc911\ub2e8 \uc5c6\uc774 \uc720\uc9c0 \ubcf4\uc218\ub97c \uc704\ud574 \uc778\ucd9c\uc2dd \uad6c\uc870\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub9e4\uc6b0 \ub192\uc740 \uace0\uc7a5 \uc218\uc900 (&gt;100kA)\uc5d0\ub294 ACB \ucc28\ub2e8 \uae30\uc220\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ubcf4\uc774\ub294 \uc811\uc810 \ubd84\ub9ac \ub610\ub294 \uad11\ubc94\uc704\ud55c \ubcf4\uc870 \uc811\uc810\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\ub300\ud615 \ud504\ub808\uc784\uc744 \uc120\ud0dd\ud574\uc57c \ud558\ub294 \uacbd\uc6b0<\/h3>\n<ul>\n<li><strong>\ubd80\ud558 \uc804\ub958<\/strong> 630-1600A<\/li>\n<li><strong>\uace0\uc7a5 \uc218\uc900<\/strong> 50-150kA<\/li>\n<li><strong>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/strong> \uc8fc \uc778\uc785\uad6c, \uac1c\ud3d0 \uc7a5\uce58 \ub610\ub294 \uc911\uc694\ud55c \ubc30\uc804 \uc9c0\uc810\uacfc \uad00\ub828\ub428<\/li>\n<li><strong>\uace0\uae09 \ubcf4\ud638<\/strong> (\uacc4\ub7c9, \ud1b5\uc2e0, \uc811\uc9c0 \uc624\ub958)\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc608\uc0b0 \ubc0f \uacf5\uac04<\/strong> ACB \uae30\uc220\ubcf4\ub2e4 MCCB\ub97c \uc120\ud638\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>MCCB \uc815\uaca9 \ud50c\ub808\uc774\ud2b8 \uc77d\ub294 \ubc29\ubc95<\/h2>\n<p>\ubaa8\ub4e0 IEC \uc900\uc218 MCCB\uc5d0\ub294 \uc911\uc694\ud55c \uc0ac\uc591 \ub370\uc774\ud130\ub97c \ud45c\uc2dc\ud558\ub294 \uc815\uaca9 \ud50c\ub808\uc774\ud2b8 (\uba85\ud310)\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc815\ubcf4\ub97c \ud574\ub3c5\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\uba74 \ucc28\ub2e8\uae30\ub97c \uc62c\ubc14\ub974\uac8c \uc120\ud0dd, \uc124\uce58 \ubc0f \uc720\uc9c0 \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud544\uc218 \uba85\ud310 \uc815\ubcf4<\/h3>\n<p>\uc77c\ubc18\uc801\uc778 MCCB \uc815\uaca9 \ud50c\ub808\uc774\ud2b8\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>1. \uc81c\uc870\uc5c5\uccb4 \ubc0f \ubaa8\ub378<\/strong>: \ube0c\ub79c\ub4dc \uc774\ub984 \ubc0f \uc81c\ud488 \uc2dc\ub9ac\uc988 (\uc608: \u201cVIOX VMC3-630\u201d)<\/li>\n<li><strong>2. IEC \ud45c\uc900 \ub9c8\ud0b9<\/strong>: \u201cIEC 60947-2\u201d \ub610\ub294 \u201cEN 60947-2\u201d\ub294 \uc900\uc218\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>3. \uc815\uaca9 \uc804\ub958 (In)<\/strong>: \uae30\uc900 \uc8fc\ubcc0 \uc628\ub3c4 (40\u00b0C)\uc5d0\uc11c \ucc28\ub2e8\uae30\uc758 \uacf5\uce6d \uc804\ub958 \uc815\uaca9<\/li>\n<li><strong>4. \uc815\uaca9 \uc804\uc555 (Ue)<\/strong>: \uc791\ub3d9 \uc804\uc555 \uc815\uaca9 (\uc608: 690V AC, 250V DC)<\/li>\n<li><strong>5. \ucc28\ub2e8 \uc6a9\ub7c9 (Icu \/ Ics)<\/strong>: kA \ub2e8\uc704\uc758 Icu (\uad81\uadf9) \ubc0f Ics (\uc11c\ube44\uc2a4) \uc81c\ud55c<\/li>\n<li><strong>6. \ud65c\uc6a9 \ubc94\uc8fc<\/strong>: \ubc94\uc8fc A (\uc21c\uc2dc) \ub610\ub294 \ubc94\uc8fc B (\uc2dc\uac04 \uc9c0\uc5f0)<\/li>\n<li><strong>7. \uc815\uaca9 \uc808\uc5f0 \uc804\uc555 (Ui)<\/strong>: \ucd5c\ub300 \uc2dc\uc2a4\ud15c \uc804\uc555 \ub0b4\uc131<\/li>\n<li><strong>8. \uc815\uaca9 \uc784\ud384\uc2a4 \ub0b4\uc804\uc555 (Uimp)<\/strong>: \uc11c\uc9c0 \ub0b4\uc131 (\uc608: 8kV)<\/li>\n<li><strong>9. \uadf9 \ubc0f \uad6c\uc131<\/strong>: 3P \ub610\ub294 4P<\/li>\n<li><strong>10. \ud2b8\ub9bd \uc124\uc815<\/strong>: Ir, Isd, Ii \ubc94\uc704 (\uc870\uc815 \uac00\ub2a5\ud55c \uacbd\uc6b0)<\/li>\n<li><strong>11. \uc778\uc99d<\/strong>: CE, CCC, UL \ub9c8\ud06c<\/li>\n<\/ul>\n<figure><img decoding=\"async\" src=\"https:\/\/img.viox.com\/mccb-rating-plate-example-showing-all-specifications.webp\" alt=\"MCCB Rating Plate Example showing all specifications\" \/><figcaption>\uadf8\ub9bc 3: \ud544\uc218 \uc0ac\uc591\uc744 \ud45c\uc2dc\ud558\ub294 \uc0c1\uc138 MCCB \uc815\uaca9 \ud50c\ub808\uc774\ud2b8: In (\uc815\uaca9 \uc804\ub958), Ue (\uc791\ub3d9 \uc804\uc555), Icu\/Ics (\ucc28\ub2e8 \uc6a9\ub7c9), IEC 60947-2 \uc900\uc218, \ud2b8\ub9bd \uc124\uc815 \ubc0f \uc778\uc99d \ub9c8\ud06c. \uc124\uce58 \uc804\uc5d0 \ud56d\uc0c1 \uc774\ub7ec\ud55c \ub9e4\uac1c\ubcc0\uc218\uac00 \uc124\uacc4 \uc694\uad6c \uc0ac\ud56d\uacfc \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/figcaption><\/figure>\n<h3>\uc124\uce58 \uc804\uc5d0 \ud655\uc778\ud560 \uc0ac\ud56d<\/h3>\n<ol>\n<li><strong>In \u2265 \uacc4\uc0b0\ub41c \ubd80\ud558 \uc804\ub958<\/strong> (\ud574\ub2f9\ub418\ub294 \uacbd\uc6b0 \uc628\ub3c4\/\uadf8\ub8f9\ud654\uc5d0 \ub300\ud55c \ub514\ub808\uc774\ud305 \ud3ec\ud568)<\/li>\n<li><strong>Ue = \uc2dc\uc2a4\ud15c \uc804\uc555<\/strong> (\uc77c\uce58\ud574\uc57c \ud568; 400V \ucc28\ub2e8\uae30\ub294 690V \uc2dc\uc2a4\ud15c\uc744 \ubcf4\ud638\ud560 \uc218 \uc5c6\uc74c)<\/li>\n<li><strong>Icu \u2265 \uc608\uc0c1 \uace0\uc7a5 \uc804\ub958<\/strong> \uc124\uce58 \uc9c0\uc810\uc5d0\uc11c<\/li>\n<li><strong>Ics \uc801\uc808\ud568<\/strong> \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569 (\ub300\ubd80\ubd84\uc758 \uc911\uc694 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 75-100%)<\/li>\n<li><strong>\uadf9\uc774 \uc2dc\uc2a4\ud15c\uacfc \uc77c\uce58\ud568<\/strong>: 3\uc0c1\uc6a9 3P, \uc911\uc131\uc120 \ubcf4\ud638\uac00 \ud544\uc694\ud55c \uacbd\uc6b0 4P<\/li>\n<li><strong>\ud2b8\ub9bd \uc124\uc815<\/strong> (\uc870\uc815 \uac00\ub2a5\ud55c \uacbd\uc6b0) \uc870\uc815 \uc5f0\uad6c\uc5d0 \ub530\ub77c \uad6c\uc131\ub428<\/li>\n<li><strong>\uc778\uc99d<\/strong> \uc124\uce58 \uc9c0\uc5ed\uc5d0 \uc720\ud6a8\ud568<\/li>\n<\/ol>\n<h2>\uc560\ud50c\ub9ac\ucf00\uc774\uc158\ubcc4 \uc120\ud0dd \uac00\uc774\ub4dc<\/h2>\n<p>\uc62c\ubc14\ub978 MCCB \uc804\ub958 \uc815\uaca9\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc740 \ud2b9\uc815 \uc560\ud50c\ub9ac\ucf00\uc774\uc158, \ubd80\ud558 \uc720\ud615, \uace0\uc7a5 \uc218\uc900 \ubc0f \uc870\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<h3>\ube60\ub978 \uc120\ud0dd \ud45c<\/h3>\n<table>\n<tbody>\n<tr>\n<td><strong>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/strong><\/td>\n<td><strong>\ubd80\ud558 \uc804\ub958<\/strong><\/td>\n<td><strong>\uad8c\uc7a5 MCCB \uc815\uaca9<\/strong><\/td>\n<td><strong>\uc77c\ubc18\uc801\uc778 Icu<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\uc18c\ud615 \ubaa8\ud130 (7.5kW)<\/td>\n<td>15A<\/td>\n<td><strong>20A \ub610\ub294 25A<\/strong><\/td>\n<td>25-36kA<\/td>\n<\/tr>\n<tr>\n<td>\uc911\uac04 \ubaa8\ud130 (30kW)<\/td>\n<td>57A<\/td>\n<td><strong>63A \ub610\ub294 80A<\/strong><\/td>\n<td>36-50kA<\/td>\n<\/tr>\n<tr>\n<td>\ub300\ud615 \ubaa8\ud130 (110kW)<\/td>\n<td>200A<\/td>\n<td><strong>250A<\/strong><\/td>\n<td>50-65kA<\/td>\n<\/tr>\n<tr>\n<td>\uc0ac\ubb34\uc2e4 \uce35 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58<\/td>\n<td>180A<\/td>\n<td><strong>200A \ub610\ub294 250A<\/strong><\/td>\n<td>36-50kA<\/td>\n<\/tr>\n<tr>\n<td>\uac74\ubb3c \uac04\uc120<\/td>\n<td>450A<\/td>\n<td><strong>500A \ub610\ub294 630A<\/strong><\/td>\n<td>50-65kA<\/td>\n<\/tr>\n<tr>\n<td>\uc18c\uaddc\ubaa8 \uc11c\ube44\uc2a4 \uc785\uad6c<\/td>\n<td>650A<\/td>\n<td><strong>800A<\/strong><\/td>\n<td>65-85kA<\/td>\n<\/tr>\n<tr>\n<td>\uc0b0\uc5c5\uc6a9 \uc8fc\uc804\uc6d0<\/td>\n<td>1200A<\/td>\n<td><strong>1250A \ub610\ub294 1600A<\/strong><\/td>\n<td>85-100kA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\uc911\uc694 \uc120\ud0dd \uc54c\ub9bc<\/h3>\n<ol>\n<li><strong>In\uc744 \uacfc\uc18c \ud3c9\uac00\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/strong>: \uc815\uaca9\uc758 90%\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \uc804\ub2ec\ud558\ub294 \ucc28\ub2e8\uae30\ub294 \uacfc\uc5f4\ub418\uc5b4 \uc131\ub2a5\uc774 \uc800\ud558\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ud56d\uc0c1 Icu\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/strong>: \ubd80\uc871\ud55c \ucc28\ub2e8 \uc6a9\ub7c9\uc740 \uace0\uc7a5 \uc2dc \uce58\uba85\uc801\uc778 \ucc28\ub2e8\uae30 \uace0\uc7a5\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc8fc\ubcc0 \uc628\ub3c4\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/strong>: \ud45c\uc900 \uc815\uaca9\uc740 40\u00b0C\ub97c \uae30\uc900\uc73c\ub85c \ud569\ub2c8\ub2e4. \ub354 \ub192\uc740 \uc628\ub3c4\uc5d0\uc11c\ub294 \ub514\ub808\uc774\ud305\ud558\uc2ed\uc2dc\uc624 (50\u00b0C\uc5d0\uc11c 0.9\ubc30, 60\u00b0C\uc5d0\uc11c 0.8\ubc30).<\/li>\n<li><strong>\uc2dc\uac04-\uc804\ub958 \uace1\uc120\uc744 \uc870\uc815\ud558\uc2ed\uc2dc\uc624.<\/strong>: \uc81c\uc870\uc5c5\uccb4 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc804\uccb4 \ubc30\uc804 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc120\ud0dd\uc131\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\ud5a5\ud6c4 \uc131\uc7a5\uc744 \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/strong>: \uc2dc\uc124 \ud655\uc7a5\uc744 \uc704\ud574 In\uc5d0 10-25%\uc758 \ub9c8\uc9c4\uc744 \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ol>\n<figure><img decoding=\"async\" src=\"https:\/\/img.viox.com\/mccb-selection-decision-flowchart.webp\" alt=\"MCCB Selection Decision Flowchart\" \/><figcaption>\uadf8\ub9bc 5: \ubd80\ud558 \uc804\ub958\uc5d0 \ub530\ub978 \ud504\ub808\uc784 \ud06c\uae30 \uacb0\uc815, \ucc28\ub2e8 \uc6a9\ub7c9 \ud655\uc778, \uc11c\ube44\uc2a4 \uc815\uaca9 \ud655\uc778 \ubc0f \uc870\uc815 \ubd84\uc11d\uc744 \uc548\ub0b4\ud558\ub294 MCCB \uc120\ud0dd \ud750\ub984\ub3c4. \uc774 \uccb4\uacc4\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud55c \ucc28\ub2e8\uae30 \uc0ac\uc591\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/figcaption><\/figure>\n<h2>\uacb0\ub860<\/h2>\n<p>16A\uc5d0\uc11c 1600A\uae4c\uc9c0\uc758 \ud45c\uc900 MCCB \uc804\ub958 \uc815\uaca9\uc740 \ud604\ub300\uc801\uc778 \ubc30\uc804 \uc2dc\uc2a4\ud15c\uc758 \uae30\ucd08\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \ud504\ub808\uc784 \ud06c\uae30, \uc804\ub958 \uc815\uaca9 \ubc0f \ucc28\ub2e8 \uc6a9\ub7c9 \uac04\uc758 \uad00\uacc4\ub97c \uc774\ud574\ud558\uba74 \uc7a5\ube44\ub97c \ubcf4\ud638\ud558\uace0 \uc2dc\uc2a4\ud15c \uc870\uc815\uc744 \ubcf4\uc7a5\ud558\uba70 IEC 60947-2 \uc548\uc804 \ud45c\uc900\uc744 \ucda9\uc871\ud558\ub294 \ucc28\ub2e8\uae30\ub97c \uc9c0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud0a4 \ud14c \uc774\ud06c \uc544\uc6c3 \uc804\ubb38\uc810:<\/p>\n<ul>\n<li><strong>In\uc744 \ubd80\ud558 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ucd94\uc2ed\uc2dc\uc624.<\/strong> \uc131\uc7a5 \ubc0f \ub514\ub808\uc774\ud305\uc744 \uc704\ud574 10-25%\uc758 \ub9c8\uc9c4\uc744 \ub450\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\uace0\uc7a5 \uc5f0\uad6c\uc5d0 \ub300\ud574 Icu\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/strong>\u2014\ucc28\ub2e8 \uc6a9\ub7c9\uc774 \ubd80\uc871\ud55c \ucc28\ub2e8\uae30\ub97c \uc124\uce58\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\ud504\ub808\uc784 \ud06c\uae30\ub97c \ud604\uba85\ud558\uac8c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/strong>\u2014\u226450kA \/ \u2264250A\uc758 \uacbd\uc6b0 \uc18c\ud615 \ud504\ub808\uc784, 30-85kA \/ 250-630A\uc758 \uacbd\uc6b0 \uc911\uac04 \ud504\ub808\uc784, 50-150kA \/ 630-1600A\uc758 \uacbd\uc6b0 \ub300\ud615 \ud504\ub808\uc784<\/li>\n<li><strong>\uc815\uaca9 \ud50c\ub808\uc774\ud2b8\ub97c \uc8fc\uc758 \uae4a\uac8c \uc77d\uc73c\uc2ed\uc2dc\uc624.<\/strong>\u2014\uc124\uce58 \uc804\uc5d0 In, Ue, Icu, Ics, \uadf9 \ubc0f \uc778\uc99d\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\uc2dc\uc2a4\ud15c \uc5f0\uad6c\uc640 \uc870\uc815\ud558\uc2ed\uc2dc\uc624.<\/strong>\u2014\uc2dc\uac04-\uc804\ub958 \uace1\uc120\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubc30\uc804 \uacc4\uce35 \uad6c\uc870\uc5d0\uc11c \uc120\ud0dd\uc131\uc744 \ubcf4\uc7a5\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n<p>63A \ucc28\ub2e8\uae30\ub85c 30kW \ubaa8\ud130\ub97c \ubcf4\ud638\ud558\ub4e0 \uc0b0\uc5c5 \uc2dc\uc124\uc744 \uc704\ud55c 1600A \uc8fc\uc804\uc6d0 \uc778\uc785\uc120\uc744 \uc9c0\uc815\ud558\ub4e0 \uc6d0\uce59\uc740 \ub3d9\uc77c\ud558\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4. \uc815\ud655\ud55c \ubd80\ud558 \uacc4\uc0b0, \uc801\uc808\ud55c \ucc28\ub2e8 \uc6a9\ub7c9 \ubc0f \uac80\uc99d\ub41c \uc870\uc815\uc785\ub2c8\ub2e4.<\/p>\n<hr \/>\n<p><strong>\ud504\ub85c\uc81d\ud2b8\uc5d0 \uc801\ud569\ud55c MCCB\ub97c \uc120\ud0dd\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ud544\uc694\ud558\uc2ed\ub2c8\uae4c?<\/strong> VIOX Electric\uc740 16A\uc5d0\uc11c 1600A\uae4c\uc9c0\uc758 \ubaa8\ub4e0 \ud45c\uc900 \uc815\uaca9\uc5d0\uc11c IEC 60947-2\ub97c \uc900\uc218\ud558\ub294 MCCB\ub97c \uc81c\uc870\ud569\ub2c8\ub2e4. \ub2f9\uc0ac\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud300\uc740 \ucc28\ub2e8\uae30 \uc120\ud0dd, \uc870\uc815 \uc5f0\uad6c \ubc0f \uc2dc\uc2a4\ud15c \uc124\uacc4\uc5d0 \ub300\ud55c \uae30\uc220 \uc9c0\uc6d0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. <a href=\"#\">\uc0ac\uc591 \ubc0f \uae30\uc220 \uc0c1\ub2f4\uc740 \ub2f9\uc0ac\uc5d0 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624.<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Selecting the right molded case circuit breaker (MCCB) starts with understanding standard breaker sizes. Unlike miniature circuit breakers (MCBs) that protect final circuits, MCCBs cover a much wider current range\u2014from 16A branch feeders to 1600A main incomers\u2014and choosing the correct rating directly impacts system safety, coordination, and project costs. This guide maps the complete IEC [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20574,"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-20573","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\/20573","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=20573"}],"version-history":[{"count":4,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/20573\/revisions"}],"predecessor-version":[{"id":20578,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/20573\/revisions\/20578"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/media\/20574"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/media?parent=20573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/categories?post=20573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/tags?post=20573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}