{"id":20834,"date":"2025-12-15T01:38:58","date_gmt":"2025-12-14T17:38:58","guid":{"rendered":"https:\/\/viox.com\/?p=20834"},"modified":"2025-12-15T01:44:33","modified_gmt":"2025-12-14T17:44:33","slug":"mcb-vs-mlo-panelboard-selection-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ko\/mcb-vs-mlo-panelboard-selection-guide\/","title":{"rendered":"\ud328\ub110\ubcf4\ub4dc: MCB \ub300 MLO"},"content":{"rendered":"
\n

\uc18c\uac1c<\/h2>\n

\uc804\uae30 \uc0ac\uc591\uc744 \uac80\ud1a0\ud558\uac70\ub098 \ubc30\uc804\ubc18\uc744 \uc1fc\ud551\ud560 \ub54c MCB\uc640 MLO\ub77c\ub294 \uc57d\uc5b4\ub97c \uc811\ud588\uc744 \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. \ud504\ub85c\uc81d\ud2b8\uc5d0 \uc5b4\ub5a4 \uad6c\uc131\uc774 \ud544\uc694\ud55c\uc9c0 \ud655\uc2e4\ud558\uc9c0 \uc54a\ub2e4\uba74 \ud63c\uc790\uac00 \uc544\ub2d9\ub2c8\ub2e4. \uc8fc \ucc28\ub2e8\uae30(MCB)\uc640 \uc8fc \ub7ec\uadf8 \uc804\uc6a9(MLO) \ubc30\uc804\ubc18 \uc911\uc5d0\uc11c \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uc804\uae30 \uacc4\uc57d\uc790, \ucee8\uc124\ud305 \uc5d4\uc9c0\ub2c8\uc5b4 \ubc0f \uc2dc\uc124 \uad00\ub9ac\uc790\uc5d0\uac8c \uac00\uc7a5 \ud754\ud55c \ud63c\ub780\uc758 \uc6d0\uc778 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n

\uadf8 \ucc28\uc774\ub294 \uadfc\ubcf8\uc801\uc785\ub2c8\ub2e4. MCB \ubc30\uc804\ubc18\uc5d0\ub294 \uc804\uccb4 \ud328\ub110\uc744 \ubcf4\ud638\ud558\ub294 \ud1b5\ud569 \uc8fc \ucc28\ub2e8\uae30\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\ub294 \ubc18\uba74, MLO \ubc30\uc804\ubc18\uc740 \ub4e4\uc5b4\uc624\ub294 \ud53c\ub354 \ub7ec\uadf8\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ub418\uc5b4 \ubcf4\ud638\ub97c \uc704\ud574 \uc5c5\uc2a4\ud2b8\ub9bc \uacfc\uc804\ub958 \uc7a5\uce58\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. \uc5c5\uacc4 \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74 MCB \ubc30\uc804\ubc18\uc740 \ub3d9\ub4f1\ud55c MLO \uc7a5\uce58\ubcf4\ub2e4 30~100% \ub354 \ube44\uc300 \uc218 \uc788\uc73c\ubbc0\ub85c \uc120\ud0dd \uacb0\uc815\uc740 \ud504\ub85c\uc81d\ud2b8 \uc608\uc0b0\uc5d0 \ub9e4\uc6b0 \uc911\uc694\ud558\uc9c0\ub9cc MLO\uac00 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud574 \ucf54\ub4dc \uc900\uc218\ud558\ub294 \uacbd\uc6b0\uc5d0\ub9cc \ud574\ub2f9\ub429\ub2c8\ub2e4.<\/p>\n

\uc774 \uac00\uc774\ub4dc\ub294 MCB\uc640 MLO \ubc30\uc804\ubc18 \uac04\uc758 \ud3ec\uad04\uc801\uc778 \uae30\uc220 \ube44\uad50\ub97c \uc81c\uacf5\ud558\uc5ec NEC \uc870\ud56d 408 \uc694\uad6c \uc0ac\ud56d, \uc2e4\uc9c8\uc801\uc778 \uc120\ud0dd \uae30\uc900 \ubc0f \uc2e4\uc81c \uc801\uc6a9 \uc2dc\ub098\ub9ac\uc624\ub97c \uc548\ub0b4\ud569\ub2c8\ub2e4.<\/p>\n

\"Professional
\uc0b0\uc5c5\uc6a9 \uc804\uae30\uc2e4\uc5d0\uc11c \uc804\ubb38\uc801\uc778 VIOX \ubc30\uc804\ubc18 \uc124\uce58, \uc815\ubb38 \ud45c\uc2dc, \ud68c\ub85c \ucc28\ub2e8\uae30<\/a>, \uc0c1\uc5c5 \uc2dc\uc124 \ud658\uacbd\uc5d0\uc11c \ub3c4\uad00 \uc2e4\ud589 \ubc0f VIOX \ube0c\ub79c\ub529<\/figcaption><\/figure>\n

\ubc30\uc804\ubc18\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>\n

\ubc30\uc804\ubc18\uc740 \uc804\uae30 \uacf5\uae09 \uc2dc\uc2a4\ud15c\uc758 \uad6c\uc131 \uc694\uc18c\ub85c, \uc804\uae30 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub97c \ubcf4\uc870 \ud68c\ub85c\ub85c \ub098\ub204\ub294 \ub3d9\uc2dc\uc5d0 \uacf5\ud1b5 \uc778\ud074\ub85c\uc800\uc758 \uac01 \ud68c\ub85c\uc5d0 \ub300\ud55c \ubcf4\ud638 \ud4e8\uc988 \ub610\ub294 \ud68c\ub85c \ucc28\ub2e8\uae30\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. NEC \uc870\ud56d 408.1\uc5d0 \ub530\ub77c \ubc30\uc804\ubc18\uc740 \ubc84\uc2a4 \ubc0f \uc790\ub3d9 \uacfc\uc804\ub958 \uc7a5\uce58\ub97c \ud3ec\ud568\ud558\ub294 \ub2e8\uc77c \ud328\ub110 \ud615\ud0dc\ub85c \uc870\ub9bd\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \ub2e8\uc77c \ud328\ub110 \ub610\ub294 \ud328\ub110 \uc7a5\uce58 \uadf8\ub8f9\uc73c\ub85c \uc815\uc758\ub429\ub2c8\ub2e4.<\/p>\n

\ubc30\uc804\ubc18\uc740 \ubc30\uc804 \ud5c8\ube0c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub354 \ud070 \uc18c\uc2a4(\uc11c\ube44\uc2a4 \uc785\uad6c, \ubcc0\uc555\uae30 \ub610\ub294 \uc5c5\uc2a4\ud2b8\ub9bc \ud328\ub110)\uc5d0\uc11c \ub4e4\uc5b4\uc624\ub294 \uc804\ub825\uc744 \uac00\uc838\uc640 \uac74\ubb3c \uc804\uccb4\uc758 \uc870\uba85, \ucf58\uc13c\ud2b8, \uc7a5\ube44 \ubc0f \uae30\ud0c0 \ubd80\ud558\uc5d0 \uc804\uc6d0\uc744 \uacf5\uae09\ud558\ub294 \uc5ec\ub7ec \ubd84\uae30 \ud68c\ub85c\ub85c \ubd84\ubc30\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc2dc\uc124\uc5d0\uc11c\ub294 \uc8fc \ubc30\uc804\ubc18\uc774 \uc2dc\uc124 \uc804\uccb4\uc5d0 \uc704\uce58\ud55c \uc5ec\ub7ec \ud558\uc704 \ud328\ub110\uc5d0 \uc804\uc6d0\uc744 \uacf5\uae09\ud558\ub294 \uacc4\uce35\uc801\uc73c\ub85c \ubc30\uc5f4\ub41c \ubc30\uc804\ubc18\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

\ubc30\uc804\ubc18\uc740 \ubc84\uc2a4 \uc815\uaca9 \uc804\ub958(\uc77c\ubc18\uc801\uc73c\ub85c 100A, 225A, 400A, 600A \uc774\uc0c1), \uc804\uc555(120\/208V, 277\/480V \ub4f1) \ubc0f \ud68c\ub85c \uc704\uce58 \uc218\ub85c \ud3c9\uac00\ub429\ub2c8\ub2e4. UL 67(\ubc30\uc804\ubc18 \ud45c\uc900)\uc744 \uc900\uc218\ud574\uc57c \ud558\uba70 \uacfc\uc804\ub958 \ubcf4\ud638, \uc811\uc9c0 \ubc0f \uc811\uadfc\uc131\uc5d0 \ub300\ud55c \ubaa8\ub4e0 \ud574\ub2f9 NEC \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

MCB \ubc30\uc804\ubc18: \uc8fc \ucc28\ub2e8\uae30 \uc124\uacc4<\/h2>\n

MCB \ubc30\uc804\ubc18\uc740 \uc8fc \ucc28\ub2e8\uae30\ub97c \ubc30\uc804\ubc18 \uc5b4\uc148\ube14\ub9ac\uc758 \uc77c\ubd80\ub85c \ud1b5\ud569\ud569\ub2c8\ub2e4. \ub4e4\uc5b4\uc624\ub294 \ud53c\ub354 \ub3c4\uccb4\ub294 \uc774 \uc8fc \ucc28\ub2e8\uae30\uc758 \ub77c\uc778 \uce21 \ub2e8\uc790\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ub41c \ub2e4\uc74c \ubc30\uc804\ubc18\uc758 \ub0b4\ubd80 \ubc84\uc2a4\ubc14\uc5d0 \uc804\uc6d0\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4. \ubd84\uae30 \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \uc774\ub7ec\ud55c \ubc84\uc2a4\ubc14\uc5d0 \uc5f0\uacb0\ub418\uc5b4 \uac1c\ubcc4 \ud68c\ub85c\ub97c \ubcf4\ud638\ud558\uace0 \uc81c\uc5b4\ud569\ub2c8\ub2e4.<\/p>\n

\uc8fc \ucc28\ub2e8\uae30\ub294 \ub450 \uac00\uc9c0 \uc911\uc694\ud55c \uae30\ub2a5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. NEC 408.36\uc5d0 \ub530\ub77c \uc804\uccb4 \ubc30\uc804\ubc18\uc5d0 \ub300\ud55c \uacfc\uc804\ub958 \ubcf4\ud638\ub97c \uc81c\uacf5\ud558\uace0 \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\uc5d0 \uc561\uc138\uc2a4\ud558\uc9c0 \uc54a\uace0\ub3c4 \uc720\uc9c0 \ubcf4\uc218 \ub610\ub294 \ube44\uc0c1 \uc885\ub8cc\ub97c \uc704\ud574 \uc804\uccb4 \ubc30\uc804\ubc18\uc758 \uc804\uc6d0\uc744 \ucc28\ub2e8\ud560 \uc218 \uc788\ub294 \ucc28\ub2e8 \uc218\ub2e8 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n

\uae30\uc220 \uc544\ud0a4\ud14d\ucc98:<\/strong><\/p>\n

\uc8fc \ucc28\ub2e8\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubab0\ub4dc \ucf00\uc774\uc2a4 \ud68c\ub85c \ucc28\ub2e8\uae30(MCCB)<\/a> NEC \uc870\ud56d 220\uc5d0 \ub530\ub77c \uacc4\uc0b0\ub41c \ubd80\ud558\uc640 \uc77c\uce58\ud558\uac70\ub098 \ucd08\uacfc\ud558\ub3c4\ub85d \uc815\uaca9\uc774 \uc9c0\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 225A MCB \ubc30\uc804\ubc18\uc5d0\ub294 225A \uc815\uaca9 \ubc84\uc2a4\ubc14\ub97c \ubcf4\ud638\ud558\ub294 225A \uc8fc \ucc28\ub2e8\uae30\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ucc28\ub2e8\uae30\ub294 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\uc5d0 \ucda9\ubd84\ud55c \ucc28\ub2e8 \uc815\uaca9(\uc77c\ubc18\uc801\uc73c\ub85c 10kA, 14kA, 22kA \uc774\uc0c1)\uc744 \uac00\uc838\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uc548\uc804 \uace0\ub824 \uc0ac\ud56d:<\/strong><\/p>\n

\uc8fc \ucc28\ub2e8\uae30\uac00 OFF\ub41c \uacbd\uc6b0\uc5d0\ub3c4 \ub77c\uc778 \uce21 \ub2e8\uc790\ub294 \uacc4\uc18d \uc804\uc6d0\uc774 \uacf5\uae09\ub429\ub2c8\ub2e4. MCB \ubc30\uc804\ubc18 \ub0b4\ubd80\uc5d0\uc11c \uc548\uc804\ud558\uac8c \uc791\uc5c5\ud558\ub824\uba74 \uc5c5\uc2a4\ud2b8\ub9bc \uc18c\uc2a4\uc5d0\uc11c \uc801\uc808\ud55c \uc7a0\uae08\/\ud0dc\uadf8\uc544\uc6c3(LOTO) \uc808\ucc28\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\"Technical
\uc8fc \ucc28\ub2e8\uae30, \uad6c\ub9ac \ubc84\uc2a4\ubc14, \ubd84\uae30 \ucc28\ub2e8\uae30 \ubc0f \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc8fc\uc11d\uc774 \uc788\ub294 \uc911\uc131\uc120 \ubc14\ub97c \ud3ec\ud568\ud55c \ub0b4\ubd80 \uad6c\uc131 \uc694\uc18c\ub97c \ubcf4\uc5ec\uc8fc\ub294 VIOX MCB \uc8fc \ucc28\ub2e8\uae30 \ubc30\uc804\ubc18\uc758 \uae30\uc220 \ub2e8\uba74\ub3c4<\/figcaption><\/figure>\n

MLO \ubc30\uc804\ubc18: \uc8fc \ub7ec\uadf8 \uc804\uc6a9 \uc124\uacc4<\/h2>\n

MLO \ubc30\uc804\ubc18\uc5d0\ub294 \uc8fc \ucc28\ub2e8\uae30\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub300\uc2e0 \ub4e4\uc5b4\uc624\ub294 \ud53c\ub354 \ub3c4\uccb4\ub294 \ubc30\uc804\ubc18\uc758 \ubc84\uc2a4\ubc14\uc5d0 \uc5f0\uacb0\ub418\ub294 \ub7ec\uadf8\uc5d0\uc11c \uc9c1\uc811 \uc885\ub8cc\ub429\ub2c8\ub2e4.<\/p>\n

MLO \ubc30\uc804\ubc18\uc5d0\ub294 \ud1b5\ud569 \uacfc\uc804\ub958 \ubcf4\ud638 \uae30\ub2a5\uc774 \uc5c6\uc73c\ubbc0\ub85c NEC 408.36\uc5d0\uc11c\ub294 \uacf5\uae09 \uce21(\uc989, \ud328\ub110 \uc790\uccb4\uc758 \uc5c5\uc2a4\ud2b8\ub9bc)\uc5d0 \uacfc\uc804\ub958 \ubcf4\ud638\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774 \uc5c5\uc2a4\ud2b8\ub9bc \uacfc\uc804\ub958 \ubcf4\ud638 \uc7a5\uce58(OCPD)\ub294 MLO \ubc30\uc804\ubc18\uc758 \uc815\uaca9\uc744 \ucd08\uacfc\ud558\uc9c0 \uc54a\ub294 \uc815\uaca9\uc744 \uac00\uc838\uc57c \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc5c5\uc2a4\ud2b8\ub9bc \ubcf4\ud638\uc5d0\ub294 \ub2e4\ub978 \ubc30\uc804\ubc18\uc758 \ud53c\ub354 \ucc28\ub2e8\uae30, \ud4e8\uc988 \ubd84\ub9ac \uc2a4\uc704\uce58 \ub610\ub294 \uac1c\ud3d0\ubc18\uc758 \ud68c\ub85c \ucc28\ub2e8\uae30\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n

\uae30\uc220 \uc544\ud0a4\ud14d\ucc98:<\/strong><\/p>\n

MLO \ubc30\uc804\ubc18\uc740 MCB \ud328\ub110\ubcf4\ub2e4 \uae30\uacc4\uc801\uc73c\ub85c \ub354 \uac04\ub2e8\ud569\ub2c8\ub2e4. \uc8fc \ub7ec\uadf8\ub294 \ub4e4\uc5b4\uc624\ub294 \ub3c4\uccb4\ub97c \ub0b4\ubd80 \ubc84\uc2a4\ubc14\uc5d0 \uc5f0\uacb0\ud558\uace0 \ubd84\uae30 \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \uc774\ub7ec\ud55c \ubc84\uc2a4\uc5d0 \uc5f0\uacb0\ud569\ub2c8\ub2e4. \uc8fc \ucc28\ub2e8\uae30\uac00 \uc5c6\uc73c\uba74 \ud328\ub110\uc758 \ubb3c\ub9ac\uc801 \uacf5\uac04, \ubb34\uac8c \ubc0f \ube44\uc6a9\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4.<\/p>\n

\uc6b4\uc601\uc0c1\uc758 \uc758\ubbf8:<\/strong><\/p>\n

MLO \ubc30\uc804\ubc18\uc758 \uc804\uc6d0\uc744 \uc644\uc804\ud788 \ucc28\ub2e8\ud558\ub824\uba74 \uc5c5\uc2a4\ud2b8\ub9bc OCPD\ub97c \uc5f4\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc5c5\uc2a4\ud2b8\ub9bc \ucc28\ub2e8\uae30\uac00 MLO \ud328\ub110\uc5d0\uc11c \uba40\ub9ac \ub5a8\uc5b4\uc838 \uc788\ub294 \uacbd\uc6b0 \uc720\uc9c0 \ubcf4\uc218\uac00 \ub354 \ubcf5\uc7a1\ud574\uc9d1\ub2c8\ub2e4. NEC 240.24(A)\uc5d0\uc11c\ub294 \uacfc\uc804\ub958 \uc7a5\uce58\uac00 \u201c\uc27d\uac8c \uc811\uadfc\ud560 \uc218 \uc788\uc5b4\uc57c\u201d \ud55c\ub2e4\uace0 \uac15\uc870\ud569\ub2c8\ub2e4.\u201d<\/p>\n

\"Technical
\uc8fc \ub7ec\uadf8, \uad6c\ub9ac \ubc84\uc2a4\ubc14, \uc8fc \ucc28\ub2e8\uae30\uac00 \uc5c6\ub294 \ubd84\uae30 \ucc28\ub2e8\uae30\uac00 \uc788\ub294 \ub0b4\ubd80 \uc544\ud0a4\ud14d\ucc98\ub97c \ubcf4\uc5ec\uc8fc\ub294 VIOX MLO \uc8fc \ub7ec\uadf8 \uc804\uc6a9 \ubc30\uc804\ubc18\uc758 \uae30\uc220 \ub2e8\uba74\ub3c4<\/figcaption><\/figure>\n

\uc8fc\uc694 \ucc28\uc774\uc810: MCB \ub300 MLO \ube44\uad50<\/h2>\n

MCB\uc640 MLO \ubc30\uc804\ubc18 \uac04\uc758 \uae30\uc220\uc801 \ubc0f \uc6b4\uc601\uc801 \ucc28\uc774\uc810\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc0ac\uc591 \uc815\ud655\uc131 \ubc0f \ucf54\ub4dc \uc900\uc218\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
\uae30\ub2a5<\/th>\nMCB \ubc30\uc804\ubc18<\/th>\nMLO \ubc30\uc804\ubc18<\/th>\n<\/tr>\n<\/thead>\n
\uacfc\uc804\ub958 \ubcf4\ud638<\/strong><\/td>\n\ud328\ub110 \ub0b4 \ud1b5\ud569 \uc8fc \ucc28\ub2e8\uae30<\/td>\n\uc5c5\uc2a4\ud2b8\ub9bc OCPD(\ud53c\ub354 \ucc28\ub2e8\uae30 \ub610\ub294 \ud4e8\uc988 \ubd84\ub9ac)<\/td>\n<\/tr>\n
\ubd84\ub9ac \uc218\ub2e8<\/strong><\/td>\n\uc8fc \ucc28\ub2e8\uae30\ub294 \ub85c\uceec \ubd84\ub9ac\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/td>\n\ub85c\uceec \ubd84\ub9ac\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n
NEC 408.36 \uc900\uc218<\/strong><\/td>\n\ubcf8\uc9c8\uc801\uc73c\ub85c \uc900\uc218\ud569\ub2c8\ub2e4. \uc8fc \ucc28\ub2e8\uae30\uac00 \ud328\ub110\uc744 \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/td>\n\ud328\ub110 \uc815\uaca9 \uc774\ud558\uc758 \uc5c5\uc2a4\ud2b8\ub9bc \ubcf4\ud638\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n
\uc804\ud615\uc801\uc778 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/strong><\/td>\n\uc8fc \uc11c\ube44\uc2a4 \uc785\uad6c, \ubcc0\uc555\uae30 2\ucc28, \uc6d0\uaca9 \uc704\uce58<\/td>\n\ud558\uc704 \ud328\ub110, \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ubc30\uc804, \ube44\uc6a9\uc5d0 \ubbfc\uac10\ud55c \ud504\ub85c\uc81d\ud2b8<\/td>\n<\/tr>\n
\ubb3c\ub9ac\uc801 \ud06c\uae30<\/strong><\/td>\n\ub354 \ud07d\ub2c8\ub2e4. \uc8fc \ucc28\ub2e8\uae30 \uc778\ud074\ub85c\uc800\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n\ub354 \uc791\uc2b5\ub2c8\ub2e4. \uc8fc \ucc28\ub2e8\uae30 \uacf5\uac04\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n
\ube44\uc6a9<\/strong><\/td>\n\ub3d9\ub4f1\ud55c MLO\ubcf4\ub2e4 30~100% \ub354 \ube44\uc309\ub2c8\ub2e4.<\/td>\n\uc800\ub834\ud55c \ube44\uc6a9. \uc8fc \ucc28\ub2e8\uae30 \ube44\uc6a9\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n
\uc720\uc9c0 \ubcf4\uc218 \uc561\uc138\uc2a4<\/strong><\/td>\n\ub85c\uceec \ubd84\ub9ac\ub294 LOTO \uc808\ucc28\ub97c \uac04\uc18c\ud654\ud569\ub2c8\ub2e4.<\/td>\n\uc5c5\uc2a4\ud2b8\ub9bc OCPD\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4(\uc6d0\uaca9\uc77c \uc218 \uc788\uc74c).<\/td>\n<\/tr>\n
\uc11c\ube44\uc2a4 \uc7a5\ube44 \uc0ac\uc6a9<\/strong><\/td>\n\uc11c\ube44\uc2a4 \uc785\uad6c\uc5d0 \ud5c8\uc6a9\ub429\ub2c8\ub2e4(\uc77c\ubc18\uc801\uc778 \uc801\uc6a9).<\/td>\n2020+ NEC\uc5d0 \ub530\ub77c \uc11c\ube44\uc2a4 \uc7a5\ube44\ub85c \uc81c\ud55c\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

SPD\ub294 \uc124\uce58 \uc9c0\uc810\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958 \uc774\uc0c1\uacfc \uac19\uac70\ub098 \ud070 SCCR\uc744 \uac00\uc838\uc57c \ud569\ub2c8\ub2e4. \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\uac00 65kA\uc778 \ud328\ub110\uc5d0 22kA SCCR \uc815\uaca9\uc758 SPD\ub97c \uc124\uce58\ud558\ub294 \uac83\uc740 \ucf54\ub4dc \uc704\ubc18\uc774\uba70 \uc2ec\uac01\ud55c \uc548\uc804 \uc704\ud5d8\uc785\ub2c8\ub2e4.<\/strong><\/p>\n

\ubaa8\ub4e0 \ubc30\uc804\ubc18\uc740 \uc124\uce58 \uc9c0\uc810\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958 \uc774\uc0c1\uacfc \uac19\uac70\ub098 \ud070 \ub2e8\ub77d \uc804\ub958 \uc815\uaca9(SCCR)\uc744 \uac00\uc838\uc57c \ud569\ub2c8\ub2e4. VIOX Electric\uc740 UL 67\uc5d0 \ub530\ub77c \uc5c4\uaca9\ud55c \ub2e8\ub77d \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud558\uc5ec \ub2f9\uc0ac\uc758 \ubc30\uc804\ubc18\uc774 \uc0c1\uc5c5 \ubc0f \uc0b0\uc5c5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud55c SCCR \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\uac70\ub098 \ucd08\uacfc\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4(\uc815\uaca9\uc740 10kA\uc5d0\uc11c 65kA \uc774\uc0c1).<\/p>\n

\"Technical
\ud1b5\ud569 \ubcf4\ud638 \ub300 \uc5c5\uc2a4\ud2b8\ub9bc OCPD \uc694\uad6c \uc0ac\ud56d\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uc804\uae30 \ud68c\ub85c\ub3c4\uac00 \uc788\ub294 MCB \ub300 MLO \ubc30\uc804\ubc18 \uc5c5\uc2a4\ud2b8\ub9bc \ubcf4\ud638 \uad6c\uc131\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uae30\uc220 \ube44\uad50 \ub2e4\uc774\uc5b4\uadf8\ub7a8<\/figcaption><\/figure>\n

MCB \ubc30\uc804\ubc18\uc744 \uc120\ud0dd\ud574\uc57c \ud558\ub294 \uacbd\uc6b0<\/h2>\n

\ud2b9\uc815 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ubc0f NEC \uc694\uad6c \uc0ac\ud56d\uc740 MCB \ubc30\uc804\ubc18\uc744 \uc758\ubb34\ud654\ud558\uac70\ub098 \uac15\ub825\ud558\uac8c \uc120\ud638\ud569\ub2c8\ub2e4.<\/p>\n

    \n
  • 1. \uc11c\ube44\uc2a4 \uc785\uad6c \uc7a5\ube44:<\/strong> \ubc30\uc804\ubc18\uc774 \uac74\ubb3c\uc758 \uc8fc \uc11c\ube44\uc2a4 \ubd84\ub9ac \uc7a5\uce58 \uc5ed\ud560\uc744 \ud558\ub294 \uacbd\uc6b0 \uc77c\ubc18\uc801\uc73c\ub85c MCB \ubc30\uc804\ubc18\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. NEC 230.70\uc5d0\uc11c\ub294 \uc27d\uac8c \uc811\uadfc\ud560 \uc218 \uc788\ub294 \uc11c\ube44\uc2a4 \ubd84\ub9ac \uc218\ub2e8\uc744 \uc758\ubb34\ud654\ud569\ub2c8\ub2e4.<\/li>\n
  • 2. \ubcc0\uc555\uae30 2\ucc28 \ubcf4\ud638:<\/strong> \ubc30\uc804\ubc18\uc774 \ubcc0\uc555\uae30 2\ucc28\uc5d0\uc11c \uc804\uc6d0\uc744 \uacf5\uae09\ubc1b\ub294 \uacbd\uc6b0 NEC 408.36(B) \ubc0f 240.21(C)\uc774 \ubcf4\ud638\ub97c \uaddc\uc815\ud569\ub2c8\ub2e4. \u201c\ud0ed \uaddc\uce59\u201d(10\ud53c\ud2b8 \ubc0f 25\ud53c\ud2b8 \uaddc\uce59)\uc5d0 \ub530\ub77c \uc608\uc678\uac00 \uc788\uc9c0\ub9cc \ub3c4\uccb4\uac00 \uc774\ub7ec\ud55c \uc81c\ud55c\uc744 \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0 MCB \ubc30\uc804\ubc18\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n
  • 3. \ubcc4\ub3c4\uc758 \uac74\ubb3c \ub610\ub294 \uad6c\uc870\ubb3c:<\/strong> NEC \uc870\ud56d 225.31\uc5d0\uc11c\ub294 \ubcc4\ub3c4\uc758 \uac74\ubb3c\uc5d0 \uc804\uc6d0\uc744 \uacf5\uae09\ud558\ub294 \ud53c\ub354\uc5d0 \ub300\ud55c \ubd84\ub9ac \uc218\ub2e8\uc744 \uc694\uad6c\ud569\ub2c8\ub2e4. MCB \ubc30\uc804\ubc18\uc740 \ud544\uc218 \ubd84\ub9ac \uc218\ub2e8\uacfc \ubc30\uc804\ubc18\uc774\ub77c\ub294 \ub450 \uac00\uc9c0 \ubaa9\uc801\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n
  • 4. \uc6d0\uaca9 \uc704\uce58:<\/strong> \ub300\uaddc\ubaa8 \uc2dc\uc124(\uc81c\uc870 \uacf5\uc7a5, \ucc3d\uace0, \ubcd1\uc6d0)\uc5d0\uc11c \uc6d0\uaca9 \uc704\uce58\uc5d0 MCB \ud328\ub110\uc744 \uc124\uce58\ud558\uba74 \uc720\uc9c0 \ubcf4\uc218 \ubc0f \ube44\uc0c1 \uc2dc \ub85c\uceec \ubd84\ub9ac \uc218\ub2e8\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n
  • 5. \uc911\uc694 \uc778\ud504\ub77c:<\/strong> \ubcd1\uc6d0, \uc751\uae09 \ub300\uc751 \uc2dc\uc124 \ubc0f \uc911\uc694 \uc778\ud504\ub77c\ub294 MCB \ubc30\uc804\ubc18\uc744 \uc0ac\uc6a9\ud558\uc5ec \uba85\ud655\ud558\uace0 \uc989\uac01\uc801\uc778 \uc885\ub8cc \uae30\ub2a5\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n

    MLO \ubc30\uc804\ubc18\uc744 \uc120\ud0dd\ud574\uc57c \ud558\ub294 \uacbd\uc6b0<\/h2>\n

    MLO \ubc30\uc804\ubc18\uc740 \ucf54\ub4dc\uac00 \uc0ac\uc6a9\uc744 \ud5c8\uc6a9\ud558\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc0c1\ub2f9\ud55c \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

      \n
    • 1. \uc11c\ube0c \ud328\ub110 \uc801\uc6a9 \ubd84\uc57c:<\/strong> MLO \ud328\ub110\ubcf4\ub4dc\uc758 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\ub294 \uc8fc \ubc30\uc804\ubc18\uc5d0\uc11c \uc804\uc6d0\uc744 \uacf5\uae09\ubc1b\ub294 \uc11c\ube0c \ud328\ub110\uc785\ub2c8\ub2e4. \uc8fc \ud328\ub110\uc758 \ud53c\ub354 \ucc28\ub2e8\uae30\ub294 \ud53c\ub354\uc640 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc MLO \uc11c\ube0c \ud328\ub110 \ubaa8\ub450\uc5d0 \uacfc\uc804\ub958 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uc5ec NEC\ub97c \uc644\ubcbd\ud558\uac8c \uc900\uc218\ud558\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/li>\n
    • 2. \ube44\uc6a9\uc5d0 \ubbfc\uac10\ud55c \ud504\ub85c\uc81d\ud2b8:<\/strong> NEC\uc5d0\uc11c MLO \ud328\ub110\uc744 \ud5c8\uc6a9\ud558\ub294 \uacbd\uc6b0 MCB \uc7a5\uce58 \ub300\ube44 30~100%\uc758 \ube44\uc6a9 \uc808\uac10 \ud6a8\uacfc\uac00 \uc0c1\ub2f9\ud569\ub2c8\ub2e4. \uc218\uc2ed \uac1c\uc758 \uc11c\ube0c \ud328\ub110\uc774 \uc788\ub294 \ub300\uaddc\ubaa8 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc801\uc808\ud55c \uc704\uce58\uc5d0 MLO\ub97c \uc120\ud0dd\ud558\uba74 \uc7a5\ube44 \ube44\uc6a9\uc744 50,000~100,000\ub2ec\ub7ec \uc774\uc0c1 \uc808\uc57d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
    • 3. \uacf5\uac04 \uc81c\uc57d\uc774 \uc788\ub294 \uc124\uce58:<\/strong> MLO \ud328\ub110\uc740 \ub3d9\uae09 MCB \ud328\ub110\ubcf4\ub2e4 \ubb3c\ub9ac\uc801\uc73c\ub85c \uc791\uace0 \uac00\ubcbc\uc6cc \uac1c\uc870 \ud504\ub85c\uc81d\ud2b8\ub098 \ubcbd \uacf5\uac04\uc774 \uc81c\ud55c\ub41c \uc124\uce58\uc5d0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n
    • 4. \uc5c5\uc2a4\ud2b8\ub9bc OCPD\uc5d0 \uc27d\uac8c \uc811\uadfc \uac00\ub2a5:<\/strong> \uc5c5\uc2a4\ud2b8\ub9bc \ucc28\ub2e8\uae30\uac00 \ubcf4\uc774\ub294 \uacf3(\ud328\ub110 \uc704\uce58\uc5d0\uc11c \ubcf4\uc774\uace0 50\ud53c\ud2b8 \uc774\ub0b4)\uc5d0 \uc788\uac70\ub098 \uc27d\uac8c \uc811\uadfc\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0 \ub85c\uceec \ucc28\ub2e8\uae30\uac00 \uc5c6\ub294 \uc6b4\uc601\uc0c1\uc758 \ub2e8\uc810\uc740 \ucd5c\uc18c\ud654\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n

      MLO\uac00 \uc801\ud569\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0:<\/strong><\/p>\n

        \n
      • \uc11c\ube44\uc2a4 \uc785\uad6c \uc7a5\ube44(\ud2b9\uc815 2020 NEC \uc608\uc678\uac00 \uc801\uc6a9\ub418\uc9c0 \uc54a\ub294 \ud55c MCB \uc0ac\uc6a9)<\/li>\n
      • \ud0ed \uaddc\uce59 \uc608\uc678\uc5d0 \ud574\ub2f9\ud558\uc9c0 \uc54a\uace0 \ubcc0\uc555\uae30 2\ucc28\uce21\uc5d0\uc11c \uc9c1\uc811 \uc804\uc6d0 \uacf5\uae09<\/li>\n
      • \uc5c5\uc2a4\ud2b8\ub9bc OCPD\uc5d0\uc11c 25\ud53c\ud2b8 \uc774\uc0c1 \ub5a8\uc5b4\uc838 \uc788\uac70\ub098 \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\uc5d0 \uc27d\uac8c \uc811\uadfc\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0<\/li>\n
      • \ud574\ub2f9 \ucf54\ub4dc \ub610\ub294 \uc2dc\uc124 \uc548\uc804 \uc808\ucc28\uc5d0 \ub530\ub77c \ub85c\uceec \ucc28\ub2e8\uc774 \ud544\uc694\ud55c \uacbd\uc6b0<\/li>\n<\/ul>\n

        \ud06c\uae30 \uc870\uc815 \ubc0f \uc120\ud0dd \uc9c0\uce68<\/h2>\n

        \uc62c\ubc14\ub978 \ud328\ub110\ubcf4\ub4dc\ub97c \uc120\ud0dd\ud558\ub824\uba74 \uccb4\uacc4\uc801\uc778 \ud3c9\uac00\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

        1\ub2e8\uacc4: \ubd80\ud558 \uc694\uad6c \uc0ac\ud56d \uacc4\uc0b0<\/strong><\/p>\n

        NEC Article 220\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucd1d \uc5f0\uacb0 \ubd80\ud558 \ubc0f \uc218\uc694 \ubd80\ud558\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. NEC 210.20\uc5d0 \ub530\ub77c \uc5f0\uc18d \ubd80\ud558(3\uc2dc\uac04 \uc774\uc0c1 \uc791\ub3d9)\ub97c 125%\ub85c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n

        2\ub2e8\uacc4: \uc758\ubb34 \uc0ac\ud56d \uacb0\uc815<\/strong><\/p>\n

        \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c MCB\ub97c \uc758\ubb34\ud654\ud558\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n

          \n
        • \uc11c\ube44\uc2a4 \uc785\uad6c \uc7a5\ube44\uc785\ub2c8\uae4c? (\uc77c\ubc18\uc801\uc73c\ub85c MCB \ud544\uc694)<\/li>\n
        • \ubcc0\uc555\uae30 2\ucc28\uce21\uc5d0\uc11c \uc804\uc6d0 \uacf5\uae09\ub429\ub2c8\uae4c? (\ud0ed \uaddc\uce59 \uc900\uc218 \uc5ec\ubd80 \ud655\uc778)<\/li>\n
        • \ubcc4\ub3c4\uc758 \uac74\ubb3c\/\uad6c\uc870\ubb3c\uc785\ub2c8\uae4c? (NEC 225.31\u2013225.32\uc5d0 \ub530\ub77c MCB \ud544\uc694)<\/li>\n
        • \uc5c5\uc2a4\ud2b8\ub9bc \ubcf4\ud638 \uc7a5\uce58\uc5d0 \uc27d\uac8c \uc811\uadfc\ud558\uace0 \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c? (\uc608\uc778 \uacbd\uc6b0 MLO\uac00 \ud5c8\uc6a9\ub420 \uc218 \uc788\uc74c)<\/li>\n<\/ul>\n

          3\ub2e8\uacc4: \uc6b4\uc601 \uc694\uad6c \uc0ac\ud56d \ud3c9\uac00<\/strong><\/p>\n

          \uc720\uc9c0 \ubcf4\uc218 \uc811\uadfc\uc131, \uc2dc\uc124 \uaddc\ubaa8, \ud5a5\ud6c4 \ud655\uc7a5 \ubc0f \uc911\uc694 \uc778\ud504\ub77c \uc694\uad6c \uc0ac\ud56d\uc744 \uace0\ub824\ud569\ub2c8\ub2e4.<\/p>\n

          4\ub2e8\uacc4: \ube44\uc6a9 \ubc0f \uacf5\uac04 \uc81c\uc57d \ud3c9\uac00<\/strong><\/p>\n

          MLO\uac00 \ucf54\ub4dc \uc900\uc218 \ubc0f \uc6b4\uc601\uc0c1 \ud5c8\uc6a9\ub418\ub294 \uacbd\uc6b0 \ube44\uc6a9 \uc808\uac10\uc561\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4(\uc77c\ubc18\uc801\uc73c\ub85c 30~100%).<\/p>\n

          \uc120\ud0dd \uc608\uc2dc \ub9e4\ud2b8\ub9ad\uc2a4:<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
          \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8<\/th>\n\ucd94\ucc9c \uc720\ud615<\/th>\n\uc8fc\uc694 \uc774\uc720<\/th>\n<\/tr>\n<\/thead>\n
          \uac74\ubb3c \uc8fc \uc11c\ube44\uc2a4 \uc785\uad6c<\/td>\nMCB<\/td>\nNEC 230.70 \ucc28\ub2e8 \uc694\uad6c \uc0ac\ud56d<\/td>\n<\/tr>\n
          \ubcc0\uc555\uae30 2\ucc28\uce21(\ubcc0\uc555\uae30\uc5d0\uc11c >10\ud53c\ud2b8)<\/td>\nMCB<\/td>\nNEC 240.21(C) 2\ucc28 \ubcf4\ud638<\/td>\n<\/tr>\n
          \uc8fc \ubc30\uc804\ubc18\uc5d0\uc11c \uc804\uc6d0 \uacf5\uae09\ub418\ub294 \uc11c\ube0c \ud328\ub110<\/td>\nMLO<\/td>\n\ube44\uc6a9 \uc808\uac10; \uc5c5\uc2a4\ud2b8\ub9bc \ucc28\ub2e8\uae30\uac00 \ubcf4\ud638 \uae30\ub2a5 \uc81c\uacf5<\/td>\n<\/tr>\n
          \ubcc4\ub3c4 \uac74\ubb3c \ud53c\ub354<\/td>\nMCB<\/td>\nNEC 225.31 \ucc28\ub2e8 \uc694\uad6c \uc0ac\ud56d<\/td>\n<\/tr>\n
          \uc8fc \ub77c\uc774\uc800\uc640 \ub3d9\uc77c\ud55c \ubcbd\uc7a5\uc5d0 \uc788\ub294 \ubc14\ub2e5 \ud328\ub110<\/td>\nMLO<\/td>\n\uc5c5\uc2a4\ud2b8\ub9bc \uc811\uadfc \uac00\ub2a5; \ube44\uc6a9 \ud6a8\uc728\uc801<\/td>\n<\/tr>\n
          \uc6d0\uaca9 \ucc3d\uace0 \ud328\ub110(\uc8fc \ud328\ub110\uc5d0\uc11c 200\ud53c\ud2b8 \uc774\uc0c1)<\/td>\nMCB<\/td>\n\uc6b4\uc601 \ud3b8\uc758\uc131; \ub85c\uceec \ucc28\ub2e8<\/td>\n<\/tr>\n
          \ubcd1\uc6d0 \uc911\ud658\uc790\uc2e4 \ud328\ub110<\/td>\nMCB<\/td>\n\uc0dd\uba85 \uc548\uc804; \uc989\uac01\uc801\uc778 \ub85c\uceec \ucc28\ub2e8<\/td>\n<\/tr>\n
          \uc0ac\ubb34\uc2e4 \uc784\ucc28\uc778 \uac1c\uc120 \uc11c\ube0c \ud328\ub110<\/td>\nMLO<\/td>\n\ube44\uc6a9 \ud6a8\uc728\uc801; \uac74\ubb3c MCB \ud328\ub110\uc5d0\uc11c \uc804\uc6d0 \uacf5\uae09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          VIOX \uc81c\ud488 \uad8c\uc7a5 \uc0ac\ud56d:<\/strong><\/p>\n

          VIOX Electric\uc740 \uc0c1\uc5c5 \ubc0f \uc0b0\uc5c5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc6a9 MCB \ubc0f MLO \ud328\ub110\ubcf4\ub4dc\ub97c \ubaa8\ub450 \uc81c\uc870\ud569\ub2c8\ub2e4. \ub2f9\uc0ac\uc758 MCB \ud328\ub110\uc740 \ub192\uc740 \ucc28\ub2e8 \uc815\uaca9 \uc8fc \ucc28\ub2e8\uae30(\ucd5c\ub300 65kA), 100A~1200A\uc758 \ubc84\uc2a4 \uc815\uaca9, 208V, 480V \ubc0f 600V \uc2dc\uc2a4\ud15c\uc6a9 3\uc0c1 \uad6c\uc131\uc744 \ud2b9\uc9d5\uc73c\ub85c \ud569\ub2c8\ub2e4. MLO \ud328\ub110\uc740 \uc8fc \ucc28\ub2e8\uae30 \uc5c6\uc774 \ub3d9\uc77c\ud55c \uacac\uace0\ud55c \ubc84\uc2a4 \uad6c\uc870\uc640 \ubd84\uae30 \ud68c\ub85c \uc720\uc5f0\uc131\uc744 \uc81c\uacf5\ud558\uc5ec \uc801\uc808\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud574 35~50%\uc758 \ube44\uc6a9 \uc808\uac10 \ud6a8\uacfc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 VIOX \ud328\ub110\ubcf4\ub4dc\ub294 UL 67\uc744 \uc900\uc218\ud558\uace0 NEC \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\uba70 \uacf5\uc7a5\uc5d0\uc11c \uc124\uce58\ub41c \uc811\uc9c0 \ubc0f \uc911\uc131\uc120 \ubc14, \uad6c\ub9ac \ubc84\uc2a4 \ubc0f \ud3ec\uad04\uc801\uc778 \ud68c\ub85c \ub514\ub809\ud1a0\ub9ac\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>\n