{"id":21569,"date":"2026-02-14T21:02:35","date_gmt":"2026-02-14T13:02:35","guid":{"rendered":"https:\/\/viox.com\/?p=21569"},"modified":"2026-02-14T21:02:38","modified_gmt":"2026-02-14T13:02:38","slug":"wire-gauge-vs-circuit-breaker-sizing-chart","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ko\/wire-gauge-vs-circuit-breaker-sizing-chart\/","title":{"rendered":"\uc804\uc120 \uac8c\uc774\uc9c0 \ub300 \ud68c\ub85c \ucc28\ub2e8\uae30 \uc804\ub958: \ud06c\uae30 \uc870\uc815 \ucc28\ud2b8 \ubc0f \uc870\uc815 \uac00\uc774\ub4dc"},"content":{"rendered":"<div class=\"product-intro\">\n<p>\ud68c\ub85c \ucc28\ub2e8\uae30\uc5d0 \uc801\ud569\ud55c \uc804\uc120 \uad75\uae30\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc740 \ub2e8\uc21c\ud788 \uaddc\uc815\uc744 \uc900\uc218\ud558\ub294 \uac83\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc804\uae30 \ud654\uc7ac, \uc7a5\ube44 \uc190\uc0c1 \ubc0f \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \uac00\ub3d9 \uc911\uc9c0 \uc2dc\uac04\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4. \uc804\uc120 \ud06c\uae30\uc640 \ucc28\ub2e8\uae30 \uc815\uaca9 \uc804\ub958 \uac04\uc758 \uad00\uacc4\ub294 \uc8fc\uac70\uc6a9 \ud328\ub110\uc5d0\uc11c \uc0b0\uc5c5\uc6a9 \uac1c\ud3d0 \uc7a5\uce58\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ubaa8\ub4e0 \uc124\uce58\uc5d0\uc11c \uc804\uae30 \uc548\uc804\uc758 \uae30\ucd08\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\ub294 \uc804\uae30 \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \ud328\ub110 \uc81c\uc791\uc790\uac00 \uc548\uc804\ud558\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud558\ub294 \ub370 \ud544\uc694\ud55c \uacb0\uc815\uc801\uc778 \ud06c\uae30 \uc870\uc815 \ucc28\ud2b8, NEC \uc900\uc218 \uc804\ub7b5 \ubc0f \uc870\uc815 \uc6d0\uce59\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Interior-view-of-industrial-electrical-panel-showing-VIOX-circuit-breakers-with-properly-sized-copper-wire-conductors-terminated-according-to-NEC-ampacity-requirements.webp\" alt=\"Interior view of industrial electrical panel showing VIOX circuit breakers with properly sized copper wire conductors terminated according to NEC ampacity requirements\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px; font-size: 0.9em;\">NEC \uc554\ud398\uc5b4 \uc6a9\ub7c9 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uc801\uc808\ud55c \ud06c\uae30\uc758 \uad6c\ub9ac \uc804\uc120 \ub3c4\uccb4\uac00 \uc885\ub2e8 \ucc98\ub9ac\ub41c VIOX \ud68c\ub85c \ucc28\ub2e8\uae30\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uc0b0\uc5c5\uc6a9 \uc804\uae30 \ud328\ub110\uc758 \ub0b4\ubd80 \ubaa8\uc2b5<\/figcaption><\/figure>\n<h2>\uc8fc\uc694 \ub0b4\uc6a9<\/h2>\n<ul>\n<li><strong>\uc804\uc120 \uad75\uae30\ub294 \ud56d\uc0c1 \ud68c\ub85c \ucc28\ub2e8\uae30 \uc815\uaca9\uc744 \ucda9\uc871\ud558\uac70\ub098 \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/strong>\u201420A \ucc28\ub2e8\uae30\uc5d0\ub294 \ucd5c\uc18c 12 AWG \uad6c\ub9ac \uc804\uc120\uc774 \ud544\uc694\ud558\uace0, 15A \ucc28\ub2e8\uae30\uc5d0\ub294 \ucd5c\uc18c 14 AWG\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>80% \uaddc\uce59\uc740 \uc5f0\uc18d \ubd80\ud558\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/strong>: \uc131\uac00\uc2e0 \ud2b8\ub9bd \ubc0f \uc5f4 \uc751\ub825\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc5f0\uc18d \uc804\ub958\uc758 125%\uc5d0\uc11c \ucc28\ub2e8\uae30 \ud06c\uae30\ub97c \uc870\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc628\ub3c4 \ubc0f \uc804\uc120\uad00 \ucda9\uc804 \uac10\uc18c \uacc4\uc218<\/strong> \ud45c\uc900 \ud14c\uc774\ube14\uc5d0\uc11c \uc81c\uc548\ud558\ub294 \uac83\ubcf4\ub2e4 \ub354 \ud070 \ub3c4\uccb4\uac00 \ud544\uc694\ud558\ubbc0\ub85c \uc804\uc120 \uc554\ud398\uc5b4 \uc6a9\ub7c9\uc744 20-50% \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>NEC \uc870\ud56d 240.4(D)\ub294 \ucd5c\ub300 \uacfc\uc804\ub958 \ubcf4\ud638\ub97c \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/strong> \uc18c\ud615 \ub3c4\uccb4\uc758 \uacbd\uc6b0: 14 AWG\uc758 \uacbd\uc6b0 15A, 12 AWG\uc758 \uacbd\uc6b0 20A, 10 AWG \uad6c\ub9ac \uc804\uc120\uc758 \uacbd\uc6b0 30A<\/li>\n<li><strong>\uc120\ud0dd\uc801 \uc870\uc815\uc5d0\ub294 \uc2e0\uc911\ud55c \ucc28\ub2e8\uae30 \ud06c\uae30 \uc870\uc815\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/strong>\u2014\uc5c5\uc2a4\ud2b8\ub9bc \ucc28\ub2e8\uae30\ub294 \uce90\uc2a4\ucf00\uc774\ub4dc \ud2b8\ub9bd \uc5c6\uc774 \uacb0\ud568\uc744 \uaca9\ub9ac\ud558\uae30 \uc704\ud574 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ubcf4\ub2e4 \ud6e8\uc52c \ub192\uc740 \uc815\uaca9\uc744 \uac00\uc838\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc804\uc120 \uad75\uae30 \ubc0f \uc554\ud398\uc5b4 \uc6a9\ub7c9 \uae30\ubcf8 \uc0ac\ud56d \uc774\ud574<\/h2>\n<p>\uc804\uc120 \uad75\uae30\ub294 \ub300\ubd80\ubd84\uc758 \ubd81\ubbf8 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c AWG(American Wire Gauge) \uc2dc\uc2a4\ud15c\uc73c\ub85c \uce21\uc815\ub418\ub294 \uc804\uae30 \ub3c4\uccb4\uc758 \ubb3c\ub9ac\uc801 \uc9c1\uacbd\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. AWG \uc2dc\uc2a4\ud15c\uc740 \ubc18\ub300\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc22b\uc790\uac00 \uc791\uc744\uc218\ub85d \uc804\uc120 \uc9c1\uacbd\uc774 \ud06c\uace0 \uc804\ub958 \uc6a9\ub7c9\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 10 AWG \uc804\uc120\uc740 14 AWG \uc804\uc120\ubcf4\ub2e4 \uc9c1\uacbd\uc774 \ud06c\uace0 \ub354 \ub9ce\uc740 \uc804\ub958\ub97c \uc548\uc804\ud558\uac8c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Technical-flowchart-diagram-showing-step-by-step-process-for-calculating-wire-gauge-and-circuit-breaker-amperage-with-NEC-derating-factors.webp\" alt=\"Technical flowchart diagram showing step-by-step process for calculating wire gauge and circuit breaker amperage with NEC derating factors\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px; font-size: 0.9em;\">NEC \uac10\uc18c \uacc4\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc804\uc120 \uad75\uae30 \ubc0f \ud68c\ub85c \ucc28\ub2e8\uae30 \uc815\uaca9 \uc804\ub958\ub97c \uacc4\uc0b0\ud558\ub294 \ub2e8\uacc4\ubcc4 \ud504\ub85c\uc138\uc2a4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uae30\uc220 \ud750\ub984\ub3c4 \ub2e4\uc774\uc5b4\uadf8\ub7a8<\/figcaption><\/figure>\n<p>\uc554\ud398\uc5b4 \uc6a9\ub7c9\uc740 \ub3c4\uccb4\uac00 \uc628\ub3c4 \uc815\uaca9\uc744 \ucd08\uacfc\ud558\uc9c0 \uc54a\uace0 \uc804\ub2ec\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uc5f0\uc18d \uc804\ub958\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \uc774 \uc911\uc694\ud55c \ub9e4\uac1c\ubcc0\uc218\ub294 \ub3c4\uccb4 \uc7ac\ub8cc(\uad6c\ub9ac \ub300 \uc54c\ub8e8\ubbf8\ub284), \uc808\uc5f0 \uc720\ud615(THHN, THWN, XHHW), \uc124\uce58 \ubc29\ubc95(\uc804\uc120\uad00, \ucf00\uc774\ube14 \ud2b8\ub808\uc774, \uc790\uc720 \uacf5\uae30), \uc8fc\ubcc0 \uc628\ub3c4 \ubc0f \ud568\uaed8 \ubb36\uc778 \uc804\ub958 \uc804\ub2ec \ub3c4\uccb4 \uc218\uc640 \uac19\uc740 \uc5ec\ub7ec \uc694\uc778\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n<p>NEC(National Electrical Code) \ud45c 310.16\uc740 \ud45c\uc900 \uc870\uac74\uc5d0\uc11c \uad6c\ub9ac \ubc0f \uc54c\ub8e8\ubbf8\ub284 \ub3c4\uccb4\uc5d0 \ub300\ud55c \uae30\uc900 \uc554\ud398\uc5b4 \uc6a9\ub7c9 \uac12\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub3c4\uccb4\uad00 \ub610\ub294 \ucf00\uc774\ube14\uc5d0 \uc788\ub294 3\uac1c \uc774\ud558\uc758 \uc804\ub958 \uc804\ub2ec \ub3c4\uccb4, \uc8fc\ubcc0 \uc628\ub3c4 30\u00b0C(86\u00b0F) \ubc0f \ud2b9\uc815 \uc808\uc5f0 \ub4f1\uae09\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc2e4\uc81c \uc124\uce58\ub294 \uc774\ub7ec\ud55c \uc774\uc0c1\uc801\uc778 \uc870\uac74\uacfc \uc77c\uce58\ud558\ub294 \uacbd\uc6b0\uac00 \ub4dc\ubb3c\uc5b4 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc720\ud6a8 \uc554\ud398\uc5b4 \uc6a9\ub7c9\uc744 \uc904\uc774\ub294 \uc218\uc815 \ubc0f \uc870\uc815 \uacc4\uc218\ub97c \uc801\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \uae30\ubcf8 \uc0ac\ud56d\uc744 \uc774\ud574\ud558\uba74 \uc804\uae30 \uc124\uacc4\uc5d0\uc11c \uac00\uc7a5 \uc704\ud5d8\ud55c \uc2e4\uc218\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc989, \uc804\uc120\uc758 \uc554\ud398\uc5b4 \uc6a9\ub7c9\ubcf4\ub2e4 \ub192\uc740 \uc815\uaca9\uc758 \ud68c\ub85c \ucc28\ub2e8\uae30\ub97c \uc124\uce58\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 \uad6c\uc131\uc5d0\uc11c\ub294 \ucc28\ub2e8\uae30\uac00 \ud2b8\ub9bd\ub418\uae30 \uc804\uc5d0 \uc804\uc120\uc774 \uacfc\uc5f4\ub418\uc5b4 \uc7a0\uc7ac\uc801\uc73c\ub85c \ubc1c\ud654\ub418\uc5b4 \uc2ec\uac01\ud55c \ud654\uc7ac \uc704\ud5d8\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \uc8fc\ub85c \uc5f0\uacb0\ub41c \ubd80\ud558\uac00 \uc544\ub2cc \uc804\uc120\uc744 \ubcf4\ud638\ud558\uae30 \uc704\ud574 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ud45c\uc900 \uc804\uc120 \uad75\uae30 \ub300 \ucc28\ub2e8\uae30 \uc815\uaca9 \uc804\ub958 \ucc28\ud2b8<\/h2>\n<p>\ub2e4\uc74c \ud3ec\uad04\uc801\uc778 \ucc28\ud2b8\ub294 \uc0c1\uc5c5 \ubc0f \uc0b0\uc5c5 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc0ac\uc591\uc778 75\u00b0C \uc808\uc5f0(THHN\/THWN) \uad6c\ub9ac \ub3c4\uccb4\uc5d0 \ub300\ud55c \uc804\uc120 \ud06c\uae30\uc640 \ud68c\ub85c \ucc28\ub2e8\uae30 \uc815\uaca9\uc758 \uc62c\ubc14\ub978 \uc30d\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac12\uc740 NEC 2020 \uc694\uad6c \uc0ac\ud56d\uc744 \uc900\uc218\ud558\uace0 \ud45c\uc900 \uc124\uce58 \uc870\uac74\uc744 \uac00\uc815\ud569\ub2c8\ub2e4.<\/p>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Comparison-of-copper-wire-gauge-sizes-from-14-AWG-to-6-AWG-showing-cross-sectional-area-differences-and-ampacity-ratings-for-circuit-breaker-coordination.webp\" alt=\"Comparison of copper wire gauge sizes from 14 AWG to 6 AWG showing cross-sectional area differences and ampacity ratings for circuit breaker coordination\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px; font-size: 0.9em;\">\ud68c\ub85c \ucc28\ub2e8\uae30 \uc870\uc815\uc744 \uc704\ud55c \ub2e8\uba74\uc801 \ucc28\uc774 \ubc0f \uc554\ud398\uc5b4 \uc6a9\ub7c9 \ub4f1\uae09\uc744 \ubcf4\uc5ec\uc8fc\ub294 14 AWG\uc5d0\uc11c 6 AWG\uae4c\uc9c0\uc758 \uad6c\ub9ac \uc804\uc120 \uad75\uae30 \ud06c\uae30 \ube44\uad50<\/figcaption><\/figure>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left; margin-bottom: 20px; border-color: #ddd;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead style=\"background-color: #f8f8f8;\">\n<tr>\n<th>\uc804\uc120 \ud06c\uae30(AWG)<\/th>\n<th>75\u00b0C\uc5d0\uc11c\uc758 \uc554\ud398\uc5b4 \uc6a9\ub7c9<\/th>\n<th>\ucd5c\ub300 \ucc28\ub2e8\uae30 \ud06c\uae30<\/th>\n<th>\uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th>\n<th>\uc804\uc555 \uac15\ud558 \uace0\ub824 \uc0ac\ud56d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>14 AWG<\/td>\n<td>20A<\/td>\n<td>15A<\/td>\n<td>\uc870\uba85 \ud68c\ub85c, \ucf58\uc13c\ud2b8<\/td>\n<td>15A\uc758 \uacbd\uc6b0 \ucd5c\ub300 50\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>12AWG<\/td>\n<td>25A<\/td>\n<td>20A<\/td>\n<td>\uc77c\ubc18 \ucf58\uc13c\ud2b8, \uc18c\ud615 \uac00\uc804 \uc81c\ud488<\/td>\n<td>20A\uc758 \uacbd\uc6b0 \ucd5c\ub300 60\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>10AWG<\/td>\n<td>35A<\/td>\n<td>30A<\/td>\n<td>\uc804\uae30 \uc628\uc218\uae30, \ub300\ud615 \uac00\uc804 \uc81c\ud488<\/td>\n<td>30A\uc758 \uacbd\uc6b0 \ucd5c\ub300 64\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>8AWG<\/td>\n<td>50A<\/td>\n<td>40A<\/td>\n<td>\uc804\uae30 \ub808\uc778\uc9c0, \ub300\ud615 HVAC \uc7a5\uce58<\/td>\n<td>40A\uc758 \uacbd\uc6b0 \ucd5c\ub300 80\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>6AWG<\/td>\n<td>65A<\/td>\n<td>60A<\/td>\n<td>\uc804\uae30 \uc6a9\uad11\ub85c, \ud558\uc704 \ud328\ub110<\/td>\n<td>60A\uc758 \uacbd\uc6b0 \ucd5c\ub300 100\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>4 AWG<\/td>\n<td>85A<\/td>\n<td>70A<\/td>\n<td>\ub300\ud615 \uc0c1\uc5c5 \uc7a5\ube44<\/td>\n<td>70A\uc758 \uacbd\uc6b0 \ucd5c\ub300 130\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>3 AWG<\/td>\n<td>100A<\/td>\n<td>90A<\/td>\n<td>\uc11c\ube44\uc2a4 \uc785\uad6c \ub3c4\uccb4<\/td>\n<td>90A\uc758 \uacbd\uc6b0 \ucd5c\ub300 150\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>2 AWG<\/td>\n<td>115A<\/td>\n<td>100A<\/td>\n<td>\uba54\uc778 \ud328\ub110, \ub300\ud615 \ubaa8\ud130<\/td>\n<td>100A\uc758 \uacbd\uc6b0 \ucd5c\ub300 170\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>1 AWG<\/td>\n<td>130A<\/td>\n<td>110A<\/td>\n<td>\uc0b0\uc5c5\uc6a9 \ud53c\ub354<\/td>\n<td>110A\uc758 \uacbd\uc6b0 \ucd5c\ub300 190\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>1\/0 AWG<\/td>\n<td>150A<\/td>\n<td>125A<\/td>\n<td>\uc11c\ube44\uc2a4 \uc785\uad6c, \ub300\ud615 \ud558\uc704 \ud328\ub110<\/td>\n<td>125A\uc758 \uacbd\uc6b0 \ucd5c\ub300 215\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>2\/0 AWG<\/td>\n<td>175A<\/td>\n<td>150A<\/td>\n<td>\uc0c1\uc5c5 \uc11c\ube44\uc2a4 \uc785\uad6c<\/td>\n<td>150A\uc758 \uacbd\uc6b0 \ucd5c\ub300 240\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>3\/0 AWG<\/td>\n<td>200A<\/td>\n<td>175A<\/td>\n<td>\uc0b0\uc5c5 \uc720\ud1b5<\/td>\n<td>175A\uc758 \uacbd\uc6b0 \ucd5c\ub300 270\ud53c\ud2b8<\/td>\n<\/tr>\n<tr>\n<td>4\/0 AWG<\/td>\n<td>230A<\/td>\n<td>200A<\/td>\n<td>\uba54\uc778 \uc11c\ube44\uc2a4 \ub3c4\uccb4<\/td>\n<td>200A\uc758 \uacbd\uc6b0 \ucd5c\ub300 300\ud53c\ud2b8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\uc911\uc694 \ucc38\uace0 \uc0ac\ud56d:<\/strong><\/p>\n<ul>\n<li>\ucd5c\ub300 \ucc28\ub2e8\uae30 \ud06c\uae30\ub294 10 AWG \uc774\ud558\uc758 \ub3c4\uccb4\uc5d0 \ub300\ud55c NEC 240.4(D) \uc81c\ud55c \uc0ac\ud56d\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc804\uc555 \uac15\ud558 \uace0\ub824 \uc0ac\ud56d\uc740 \ucd5c\ub300 3% \uac15\ud558\uac00 \uc788\ub294 120V \ub2e8\uc0c1 \ud68c\ub85c\ub97c \uac00\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc54c\ub8e8\ubbf8\ub284 \ub3c4\uccb4\uc758 \uacbd\uc6b0 \ub3d9\ub4f1\ud55c \uc554\ud398\uc5b4 \uc6a9\ub7c9\uc744 \uc704\ud574 \uc804\uc120 \ud06c\uae30\ub97c \uc57d 2 AWG \ud06c\uae30 \ub298\ub9bd\ub2c8\ub2e4.<\/li>\n<li>\uc774\ub7ec\ud55c \uac12\uc740 \uc8fc\ubcc0 \uc628\ub3c4 30\u00b0C\uc5d0\uc11c \uc804\uc120\uad00\uc758 \uad6c\ub9ac \ub3c4\uccb4\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774 \ucc28\ud2b8\ub294 \uc804\uc120 \uad75\uae30\ub97c \ud68c\ub85c \ucc28\ub2e8\uae30 \uc815\uaca9 \uc804\ub958\uc640 \uc77c\uce58\uc2dc\ud0a4\ub294 \uae30\ubcf8 \ucc38\uc870 \uc790\ub8cc \uc5ed\ud560\uc744 \ud558\uc9c0\ub9cc \ud56d\uc0c1 \ud604\uc9c0 \uc804\uae30 \uaddc\uc815 \ubc0f \ud2b9\uc815 \uc124\uce58 \uc870\uac74\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/types-of-motor-starters-selection-guide\/\">\ubaa8\ud130 \ubcf4\ud638 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/a>, \uc758 \uacbd\uc6b0 \uac04\ub2e8\ud55c \uc554\ud398\uc5b4 \uc6a9\ub7c9 \uc77c\uce58 \uc678\uc5d0 \ucd94\uac00 \uace0\ub824 \uc0ac\ud56d\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc5f0\uc18d \ubd80\ud558\uc5d0 \ub300\ud55c \uc911\uc694\ud55c 80% \uaddc\uce59<\/h2>\n<p>NEC 80% \uaddc\uce59\uc740 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30 \uc870\uc815\uc5d0\uc11c \uac00\uc7a5 \uc790\uc8fc \uc624\ud574\ub418\ub294 \uc694\uad6c \uc0ac\ud56d \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. NEC 210.19(A) \ubc0f 210.20(A)\uc5d0 \uba85\uc2dc\ub41c \uc774 \uaddc\uce59\uc740 \ud68c\ub85c \ucc28\ub2e8\uae30\uc758 \ud06c\uae30\ub97c \uc5f0\uc18d \ubd80\ud558\uc758 125%\ub85c \uc870\uc815\ud558\uac70\ub098, \ubc18\ub300\ub85c \uc5f0\uc18d \ubd80\ud558\uac00 \ucc28\ub2e8\uae30\uc758 \uc815\uaca9 \uc804\ub958\uc758 80%\ub97c \ucd08\uacfc\ud558\uc9c0 \uc54a\uc544\uc57c \ud55c\ub2e4\uace0 \uaddc\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc5f0\uc18d \ubd80\ud558\ub294 \uc911\ub2e8 \uc5c6\uc774 3\uc2dc\uac04 \uc774\uc0c1 \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc608\ub85c\ub294 HVAC \uc2dc\uc2a4\ud15c, \ub0c9\ub3d9 \uc7a5\ube44, \ub370\uc774\ud130 \uc13c\ud130 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \ubc0f \uc0b0\uc5c5 \uacf5\uc815 \uae30\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. 80% \uaddc\uce59\uc740 \ud68c\ub85c \ucc28\ub2e8\uae30\uac00 \uc815\uaca9 \uc6a9\ub7c9\uc5d0 \uac00\uae4c\uc6b4 \uc804\ub958\ub97c \uc7a5\uae30\uac04 \uc804\ub2ec\ud560 \ub54c \uc5f4 \uc751\ub825\uc744 \ubc1b\uc544 \uc870\uae30 \uace0\uc7a5 \ub610\ub294 \uc131\uac00\uc2e0 \ud2b8\ub9bd\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc2e4\uc81c \uc801\uc6a9 \uc608:<\/strong><\/p>\n<p>32\uc554\ud398\uc5b4\ub97c \uc5f0\uc18d\uc801\uc73c\ub85c \uc18c\ube44\ud558\ub294 \uc0c1\uc5c5\uc6a9 HVAC \uc7a5\uce58\ub97c \uace0\ub824\ud558\uc2ed\uc2dc\uc624. \ub9ce\uc740 \uc124\uce58\uc790\ub294 32A &lt; 40A\uc774\ubbc0\ub85c 40A \ucc28\ub2e8\uae30\ub85c \ucda9\ubd84\ud558\ub2e4\uace0 \uc798\ubabb \uac00\uc815\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 80% \uaddc\uce59\uc744 \uc801\uc6a9\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc5f0\uc18d \ubd80\ud558: 32A<\/li>\n<li>\ud544\uc694\ud55c \ucc28\ub2e8\uae30 \uc6a9\ub7c9: 32A \u00f7 0.80 = \ucd5c\uc18c 40A<\/li>\n<li>40A \u00d7 0.80 = 32A (\uc815\ud655\ud788 \ud55c\uacc4)\uc774\ubbc0\ub85c, \ucd5c\uc801\uc758 \ubc29\ubc95\uc740 \ub2e4\uc74c \ud45c\uc900 \ud06c\uae30\ub97c \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc62c\ubc14\ub978 \ucc28\ub2e8\uae30 \ud06c\uae30: 45A \ub610\ub294 50A<\/li>\n<li>\ud544\uc694\ud55c \uc804\uc120 \ud06c\uae30: \ucd5c\uc18c 8 AWG \uad6c\ub9ac (75\u00b0C\uc5d0\uc11c 50A \uc554\ud398\uc5b4)<\/li>\n<\/ul>\n<p>\uc774 \ubcf4\uc218\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc740 \uc5f4\uc801 \uc5ec\uc720\ub97c \uc81c\uacf5\ud558\uace0, \ucc28\ub2e8\uae30 \ubd80\ud488\uc5d0 \ub300\ud55c \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc904\uc774\uba70, \uc2dc\ub3d9 \uacfc\ub3c4 \ud604\uc0c1 \ub3d9\uc548\uc758 \ubd88\ud544\uc694\ud55c \ud2b8\ub9bd\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. <a href=\"https:\/\/test.viox.com\/ko\/how-to-build-electrical-maintenance-program\/\">\uc804\uae30 \uc720\uc9c0 \ubcf4\uc218 \ud504\ub85c\uadf8\ub7a8\uc744 \uc704\ud574<\/a>, \uc801\uc808\ud55c \ud06c\uae30\uc758 \ucc28\ub2e8\uae30\ub294 \uc11c\ube44\uc2a4 \ud638\ucd9c\uc744 \uc904\uc774\uace0 \uc7a5\ube44 \uc218\uba85\uc744 \uc5f0\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<p>80% \uaddc\uce59\uc740 \u201c100% \uc815\uaca9\u201d\uc73c\ub85c \ud2b9\ubcc4\ud788 \ub098\uc5f4\ub41c \ucc28\ub2e8\uae30\uc5d0\ub294 \uc801\uc6a9\ub418\uc9c0 \uc54a\uc73c\uba70, \uc815\uaca9 \uc804\ub958\ub97c \uacc4\uc18d\ud574\uc11c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub7ec\ud55c \ud2b9\uc218 \ucc28\ub2e8\uae30\ub294 \ube44\uc6a9\uc774 \ud6e8\uc52c \ub354 \ub9ce\uc774 \ub4e4\uace0 \ud2b9\uc815 \uc124\uce58 \uc870\uac74\uc774 \ud544\uc694\ud558\ubbc0\ub85c \ud45c\uc900 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 \ud754\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc628\ub3c4 \ubc0f \uc804\uc120\uad00 \ucc44\uc6c0 \uac10\uc18c \uacc4\uc218<\/h2>\n<p>\ud45c\uc900 \uc554\ud398\uc5b4 \ud45c\ub294 \uc2e4\uc81c \uc124\uce58\uc5d0\uc11c\ub294 \uac70\uc758 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uc774\uc0c1\uc801\uc778 \uc870\uac74\uc744 \uac00\uc815\ud569\ub2c8\ub2e4. \uc8fc\ubcc0 \uc628\ub3c4\uc640 \uc804\uc120 \ub2e4\ubc1c \ubb36\uae30\uc640 \uac19\uc740 \ub450 \uac00\uc9c0 \uc911\uc694\ud55c \uc694\uc18c\ub294 \uc804\uc120\uc758 \uc548\uc804 \uc804\ub958 \uc6a9\ub7c9\uc744 \ud06c\uac8c \uc904\uc77c \uc218 \uc788\uc73c\uba70, \ub54c\ub85c\ub294 50% \uc774\uc0c1 \uc904\uc77c \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac10\uc18c \uacc4\uc218\ub97c \uace0\ub824\ud558\uc9c0 \ubabb\ud558\ub294 \uac83\uc740 \uc804\uae30 \uc124\uacc4\uc5d0\uc11c \ud754\ud558\uc9c0\ub9cc \uc704\ud5d8\ud55c \uac04\uacfc\uc785\ub2c8\ub2e4.<\/p>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Technical-diagram-illustrating-ampacity-derating-factors-for-multiple-conductors-in-conduit-showing-heat-dissipation-and-temperature-correction-calculations.webp\" alt=\"Technical diagram illustrating ampacity derating factors for multiple conductors in conduit showing heat dissipation and temperature correction calculations\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px; font-size: 0.9em;\">\uc804\uc120\uad00 \ub0b4 \uc5ec\ub7ec \ub3c4\uccb4\uc5d0 \ub300\ud55c \uc554\ud398\uc5b4 \uac10\uc18c \uacc4\uc218\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uae30\uc220 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc73c\ub85c, \uc5f4 \ubc29\ucd9c \ubc0f \uc628\ub3c4 \ubcf4\uc815 \uacc4\uc0b0\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/figcaption><\/figure>\n<h3>\uc628\ub3c4 \ubcf4\uc815 \uacc4\uc218<\/h3>\n<p>NEC \ud45c 310.15(B)(2)(a)\ub294 \uc8fc\ubcc0 \uc628\ub3c4\uac00 \ud45c\uc900 30\u00b0C(86\u00b0F) \uae30\uc900\uc120\uc744 \ucd08\uacfc\ud560 \ub54c \uc628\ub3c4 \ubcf4\uc815 \uacc4\uc218\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uace0\uc628 \ud658\uacbd\uc740 \uc804\uc120\uc774 \uc808\uc5f0 \uc628\ub3c4 \uc81c\ud55c\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uc5f4\uc801 \uc5ec\uc720\uac00 \uc801\uae30 \ub54c\ubb38\uc5d0 \uc554\ud398\uc5b4\ub97c \ud06c\uac8c \uc904\uc785\ub2c8\ub2e4.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left; margin-bottom: 20px; border-color: #ddd;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead style=\"background-color: #f8f8f8;\">\n<tr>\n<th>\uc8fc\ubcc0 \uc628\ub3c4<\/th>\n<th>\ubcf4\uc815 \uacc4\uc218 (75\u00b0C \uc808\uc5f0)<\/th>\n<th>\ubcf4\uc815 \uacc4\uc218 (90\u00b0C \uc808\uc5f0)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>30\u00b0C(86\u00b0F)\uc785\ub2c8\ub2e4.<\/td>\n<td>1.00<\/td>\n<td>1.00<\/td>\n<\/tr>\n<tr>\n<td>17.5V \u2013 22.0V<\/td>\n<td>0.88<\/td>\n<td>0.91<\/td>\n<\/tr>\n<tr>\n<td>50\u00b0C(122\u00b0F)<\/td>\n<td>0.75<\/td>\n<td>0.82<\/td>\n<\/tr>\n<tr>\n<td>60\u00b0C(140\u00b0F)<\/td>\n<td>0.58<\/td>\n<td>0.71<\/td>\n<\/tr>\n<tr>\n<td>70\u00b0C(158\u00b0F)<\/td>\n<td>\u2014<\/td>\n<td>0.58<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\uc608\uc2dc:<\/strong> 50\u00b0C \uc8fc\ubcc0 \ud658\uacbd\uc5d0\uc11c 75\u00b0C\uc5d0\uc11c 35A\ub85c \uc815\uaca9\ub41c 10 AWG \uad6c\ub9ac \ub3c4\uccb4\uc758 \uc870\uc815\ub41c \uc554\ud398\uc5b4\ub294 35A \u00d7 0.75 = 26.25A\uc785\ub2c8\ub2e4. \uc801\uc808\ud55c \uc6a9\ub7c9\uc744 \uc720\uc9c0\ud558\ub824\uba74 8 AWG (50A \u00d7 0.75 = 37.5A)\ub85c \ud06c\uae30\ub97c \ub298\ub824\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc804\uc120\uad00 \ucc44\uc6c0 \uc870\uc815 \uacc4\uc218<\/h3>\n<p>\uc14b \uc774\uc0c1\uc758 \uc804\ub958 \uc6b4\ubc18 \ub3c4\uccb4\uac00 \ub3d9\uc77c\ud55c \ub808\uc774\uc2a4\uc6e8\uc774 \ub610\ub294 \ucf00\uc774\ube14\uc744 \uc810\uc720\ud558\ub294 \uacbd\uc6b0, \uc0c1\ud638 \uac00\uc5f4\ub85c \uc778\ud574 \uac01 \ub3c4\uccb4\uc758 \uc554\ud398\uc5b4\uac00 \uac10\uc18c\ud569\ub2c8\ub2e4. NEC \ud45c 310.15(B)(3)(a)\ub294 \ub3c4\uccb4 \uc218\uc5d0 \ub530\ub77c \uc870\uc815 \uacc4\uc218\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left; margin-bottom: 20px; border-color: #ddd;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead style=\"background-color: #f8f8f8;\">\n<tr>\n<th>\ub3c4\uccb4 \uc218<\/th>\n<th>\uc870\uc815 \uacc4\uc218<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1-3<\/td>\n<td>1.00<\/td>\n<\/tr>\n<tr>\n<td>4-6<\/td>\n<td>0.80<\/td>\n<\/tr>\n<tr>\n<td>7-9<\/td>\n<td>0.70<\/td>\n<\/tr>\n<tr>\n<td>10-20<\/td>\n<td>0.50<\/td>\n<\/tr>\n<tr>\n<td>21-30<\/td>\n<td>0.45<\/td>\n<\/tr>\n<tr>\n<td>31-40<\/td>\n<td>0.40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\uacb0\ud569\ub41c \uac10\uc18c \uc608:<\/strong><\/p>\n<p>\uc0b0\uc5c5 \uc81c\uc5b4 \ud328\ub110 \uc124\uce58\uc5d0\ub294 45\u00b0C \uc8fc\ubcc0 \ud658\uacbd\uc5d0 \uc704\uce58\ud55c \ub2e8\uc77c \uc804\uc120\uad00\uc5d0 6\uac1c\uc758 12 AWG \ub3c4\uccb4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uae30\ubcf8 \uc554\ud398\uc5b4 (12 AWG, 75\u00b0C): 25A<\/li>\n<li>\uc628\ub3c4 \ubcf4\uc815 (45\u00b0C): 0.82<\/li>\n<li>\uc804\uc120\uad00 \ucc44\uc6c0 \uc870\uc815 (6\uac1c\uc758 \ub3c4\uccb4): 0.80<\/li>\n<li>\uc870\uc815\ub41c \uc554\ud398\uc5b4: 25A \u00d7 0.82 \u00d7 0.80 = 16.4A<\/li>\n<li>\ud45c\uc900 12 AWG \uc804\uc120\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 20A \ucc28\ub2e8\uae30\uc5d0 \uc801\ud569\ud558\uc9c0\ub9cc \uc774\uc81c \ucd5c\ub300 15A\ub9cc \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774 \uc608\ub294 \uc65c <a href=\"https:\/\/test.viox.com\/ko\/industrial-control-panel-components-guide\/\">\uc0b0\uc5c5 \uc81c\uc5b4 \ud328\ub110 \uc124\uacc4<\/a> \uac04\ub2e8\ud55c \ud45c \uc870\ud68c\ub97c \ub118\uc5b4 \uc2e0\uc911\ud55c \uc554\ud398\uc5b4 \uacc4\uc0b0\uc774 \ud544\uc694\ud55c\uc9c0 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. <a href=\"https:\/\/test.viox.com\/ko\/switchgear-retrofit-vs-refurbish-vs-replace-guide\/\">\uac1c\ud3d0 \uc7a5\uce58 \uc751\uc6a9 \ubd84\uc57c\uc758 \uacbd\uc6b0<\/a>, \uc801\uc808\ud55c \uac10\uc18c\ub294 \uacfc\uc5f4\uc744 \ubc29\uc9c0\ud558\uace0 \uc7a5\ube44 \uc218\uba85\uc744 \uc5f0\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h2>NEC \uc870\ud56d 240.4(D): \uc18c\ud615 \ub3c4\uccb4 \ubcf4\ud638 \uc81c\ud55c<\/h2>\n<p>NEC \uc870\ud56d 240.4(D)\ub294 \ud45c 310.16\uc758 \uc554\ud398\uc5b4 \uc815\uaca9\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc18c\ud615 \ub3c4\uccb4\uc5d0 \ub300\ud55c \uc808\ub300 \ucd5c\ub300 \uacfc\uc804\ub958 \ubcf4\ud638 \uc81c\ud55c\uc744 \ubd80\uacfc\ud569\ub2c8\ub2e4. \uc774 \uc911\uc694\ud55c \uc548\uc804 \uc870\ud56d\uc740 \uac10\uc18c \uacc4\uc218\uac00 \ud5c8\uc6a9\ud558\ub354\ub77c\ub3c4 \uc124\uce58\uc790\uac00 \uc18c\ud615 \uc804\uc120 \uac8c\uc774\uc9c0\uc5d0 \ucc28\ub2e8\uae30 \ud06c\uae30\ub97c \uacfc\ub3c4\ud558\uac8c \ub298\ub9ac\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uaddc\uce59\uc740 \uad6c\ub9ac \ub3c4\uccb4\uc5d0 \ub300\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \ucd5c\ub300 \ucc28\ub2e8\uae30 \ud06c\uae30\ub97c \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>14 AWG: \ucd5c\ub300 15A<\/strong> (14 AWG\uac00 75\u00b0C\uc5d0\uc11c 20A \uc554\ud398\uc5b4\ub97c \uac16\ub354\ub77c\ub3c4)<\/li>\n<li><strong>12 AWG: \ucd5c\ub300 20A<\/strong> (12 AWG\uac00 75\u00b0C\uc5d0\uc11c 25A \uc554\ud398\uc5b4\ub97c \uac16\ub354\ub77c\ub3c4)<\/li>\n<li><strong>10 AWG: \ucd5c\ub300 30A<\/strong> (10 AWG\uac00 75\u00b0C\uc5d0\uc11c 35A \uc554\ud398\uc5b4\ub97c \uac16\ub354\ub77c\ub3c4)<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \uc81c\ud55c\uc740 \uc18c\ud615 \ub3c4\uccb4\uac00 \uc5f4 \uc9c8\ub7c9\uc774 \uc81c\ud55c\ub418\uc5b4 \uc788\uace0 \uc815\uc0c1 \uc0c1\ud0dc \uc554\ud398\uc5b4 \uc81c\ud55c\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0\ub3c4 \uace0\uc7a5 \uc870\uac74\uc5d0\uc11c \ube60\ub974\uac8c \uacfc\uc5f4\ub420 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc774 \uaddc\uce59\uc740 \uc8fc\uac70 \ubc0f \uacbd\uc0c1\uc5c5 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uc804\uc120 \ud06c\uae30\uc5d0 \ub300\ud55c \ucd94\uac00 \uc548\uc804 \uc5ec\uc720\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n<p><strong>\uc911\uc694\ud55c \uc758\ubbf8:<\/strong> \uac10\uc18c \uacc4\uc218\ub97c \ubcf4\uc0c1\ud558\uae30 \uc704\ud574 \uc18c\ud615 \ub3c4\uccb4\uc5d0\uc11c \ucc28\ub2e8\uae30 \ud06c\uae30\ub97c \u201c\ub298\ub9b4\u201d \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc628\ub3c4 \ub610\ub294 \ub2e4\ubc1c \ubb36\uae30 \uac10\uc18c\ub85c \uc778\ud574 12 AWG \ub3c4\uccb4\uc758 \uc554\ud398\uc5b4\uac00 20A \ubbf8\ub9cc\uc73c\ub85c \ub5a8\uc5b4\uc9c0\uba74 \ub2e4\uc74c \uc911 \ud558\ub098\ub97c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\uac10\uc18c\ub41c \uc554\ud398\uc5b4 \ub0b4\uc5d0 \uba38\ubb3c\ub3c4\ub85d \ud68c\ub85c \ubd80\ud558\ub97c \uc904\uc785\ub2c8\ub2e4.<\/li>\n<li>\uc804\uc120\uc744 10 AWG \uc774\uc0c1\uc73c\ub85c \ud06c\uae30\ub97c \ub298\ub9bd\ub2c8\ub2e4.<\/li>\n<li>\uac10\uc18c \uc694\uad6c \uc0ac\ud56d\uc744 \uc904\uc774\uae30 \uc704\ud574 \uc124\uce58 \uc870\uac74\uc744 \uc218\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc774 \uaddc\uce59\uc740 \uc885\uc885 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. <a href=\"https:\/\/test.viox.com\/ko\/how-to-select-an-mccb-for-a-panel\/\">\ud68c\ub85c \ucc28\ub2e8\uae30 \uc120\ud0dd<\/a> \ubc00\uc9d1\ub41c \ud328\ub110 \ubc0f \uace0\uc628 \ud658\uacbd\uc5d0\uc11c. <a href=\"https:\/\/test.viox.com\/ko\/mccb-vs-mcb\/\">MCCB \uc751\uc6a9 \ubd84\uc57c\uc758 \uacbd\uc6b0<\/a>, \uc774\ub7ec\ud55c \uc81c\ud55c \uc0ac\ud56d\uc744 \uc774\ud574\ud558\uba74 \uc548\uc804\uc744 \uc800\ud574\ud558\ub294 \uc0ac\uc591 \uc624\ub958\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc120\ud0dd\uc801 \ud611\uc870 \ubc0f \ucc28\ub2e8\uae30 \ud06c\uae30 \uc870\uc815 \uc804\ub7b5<\/h2>\n<p>\uc120\ud0dd\uc801 \ud611\uc870\ub294 \uace0\uc7a5\uc5d0 \uac00\uc7a5 \uac00\uae4c\uc6b4 \ud68c\ub85c \ucc28\ub2e8\uae30\ub9cc \uc5f4\ub9ac\uace0 \ubaa8\ub4e0 \uc0c1\ub958 \ucc28\ub2e8\uae30\uac00 \ub2eb\ud78c \uc0c1\ud0dc\ub85c \uc720\uc9c0\ub418\uc5b4 \uc601\ud5a5\uc744 \ubc1b\uc9c0 \uc54a\ub294 \ud68c\ub85c\uc5d0 \uc804\uc6d0\uc744 \uacf5\uae09\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774 \uc911\uc694\ud55c \uc124\uacc4 \uc6d0\uce59\uc740 \uc0c1\uc5c5 \ubc0f \uc0b0\uc5c5 \uc2dc\uc124, \ud2b9\ud788 NEC\uac00 \ud611\uc870\ub97c \uc694\uad6c\ud558\ub294 \uc751\uc6a9 \ubd84\uc57c(\ube44\uc0c1 \uc2dc\uc2a4\ud15c(NEC 700.28), \ubc95\uc801\uc73c\ub85c \uc694\uad6c\ub418\ub294 \ub300\uae30 \uc2dc\uc2a4\ud15c(NEC 701.27) \ubc0f \uc911\uc694 \uc6b4\uc601 \uc804\uc6d0 \uc2dc\uc2a4\ud15c(COPS))\uc5d0\uc11c \uac00\ub3d9 \uc911\uc9c0 \uc2dc\uac04\uc744 \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4.<\/p>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Electrical-single-line-diagram-showing-selective-coordination-between-main-feeder-and-branch-circuit-breakers-with-proper-amperage-ratios-for-fault-isolation.webp\" alt=\"Electrical single-line diagram showing selective coordination between main, feeder, and branch circuit breakers with proper amperage ratios for fault isolation\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 5px; font-size: 0.9em;\">\uace0\uc7a5 \uaca9\ub9ac\ub97c \uc704\ud55c \uc801\uc808\ud55c \uc554\ud398\uc5b4 \ube44\uc728\uc744 \uac16\ucd98 \uc8fc, \ud53c\ub354 \ubc0f \ubd84\uae30 \ud68c\ub85c \ucc28\ub2e8\uae30 \uac04\uc758 \uc120\ud0dd\uc801 \ud611\uc870\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uc804\uae30 \ub2e8\uc120\ub3c4<\/figcaption><\/figure>\n<p>\uc120\ud0dd\uc801 \ud611\uc870\ub97c \ub2ec\uc131\ud558\ub824\uba74 \uc0c1\ub958 \ubc0f \ud558\ub958 \ucc28\ub2e8\uae30 \uc815\uaca9, \uc2dc\uac04-\uc804\ub958 \ud2b9\uc131 \ubc0f \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958 \ub808\ubca8 \uac04\uc758 \uad00\uacc4\uc5d0 \uc138\uc2ec\ud55c \uc8fc\uc758\ub97c \uae30\uc6b8\uc5ec\uc57c \ud569\ub2c8\ub2e4. \uae30\ubcf8 \uc6d0\uce59: \uc0c1\ub958 \ucc28\ub2e8\uae30\ub294 \ud558\ub958 \uc7a5\uce58\ubcf4\ub2e4 \ud6e8\uc52c \ub192\uac8c \uc815\uaca9\ub418\uc5b4\uc57c \ud558\uba70 \ud2b8\ub9bd \ud2b9\uc131\uc774 \ub354 \ub290\ub824\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>\ud611\uc870 \ube44\uc728 \uc9c0\uce68<\/h3>\n<p>\ud2b9\uc815 \ud611\uc870 \uc694\uad6c \uc0ac\ud56d\uc740 \uc790\uc138\ud55c \uc2dc\uac04-\uc804\ub958 \uace1\uc120 \ubd84\uc11d\uc5d0 \ub530\ub77c \ub2e4\ub974\uc9c0\ub9cc \uc77c\ubc18\uc801\uc778 \ud06c\uae30 \uc870\uc815 \ube44\uc728\uc740 \uc2dc\uc791\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc5f4-\uc790\uae30 \ucc28\ub2e8\uae30\uc758 \uacbd\uc6b0 \ucd5c\uc18c 2:1 \ube44\uc728<\/strong>: 100A \uc8fc \ucc28\ub2e8\uae30\ub294 50A \ubd84\uae30 \ucc28\ub2e8\uae30\uc640 \ud611\uc870\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\uc790 \ud2b8\ub9bd \ucc28\ub2e8\uae30\uc758 \uacbd\uc6b0 1.5:1 \ube44\uc728\uc774 \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>: \uace0\uae09 \ud2b8\ub9bd \uc7a5\uce58\ub294 \ub354 \ub098\uc740 \ucc28\ub2e8 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub192\uc740 \uace0\uc7a5 \uc804\ub958\uc5d0\uc11c \ub354 \ub192\uc740 \ube44\uc728\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/strong>: \ub2e8\ub77d \ud611\uc870\ub294 \uacfc\ubd80\ud558 \ud611\uc870\ubcf4\ub2e4 \ub354 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><strong>\uc2e4\uc81c \ud611\uc870 \uc608:<\/strong><\/p>\n<p>\uc0c1\uc5c5\uc6a9 \uac74\ubb3c \uc804\uae30 \uc2dc\uc2a4\ud15c \uc124\uacc4:<\/p>\n<ul>\n<li><strong>\uc11c\ube44\uc2a4 \uc785\uad6c<\/strong>: 400A \uc8fc \ucc28\ub2e8\uae30<\/li>\n<li><strong>\uc11c\ube0c \ud328\ub110 \ud53c\ub354<\/strong>: 200A \ucc28\ub2e8\uae30 (2:1 \ube44\uc728 \uc720\uc9c0)<\/li>\n<li><strong>\ubd84\uae30 \ud68c\ub85c<\/strong>: 20-60A \ucc28\ub2e8\uae30 (3:1 ~ 10:1 \ube44\uc728)<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \uacc4\uce35\ud654\ub41c \uc811\uadfc \ubc29\uc2dd\uc740 20A \uc870\uba85 \ud68c\ub85c\uc758 \uacb0\ud568\uc774 \ubc1c\uc0dd\ud588\uc744 \ub54c 200A \uacf5\uae09 \uc7a5\uce58 \ub610\ub294 400A \uc8fc \ucc28\ub2e8\uae30\uac00 \uc544\ub2cc \ud574\ub2f9 \ubd84\uae30 \ucc28\ub2e8\uae30\ub9cc \ud2b8\ub9bd\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ub2e4\ub978 \ubaa8\ub4e0 \uac74\ubb3c \uc2dc\uc2a4\ud15c\uc5d0\ub294 \uc804\uc6d0\uc774 \uacc4\uc18d \uacf5\uae09\ub429\ub2c8\ub2e4.<\/p>\n<h3>\uc18c\ud615 \ucc28\ub2e8\uae30\uc758 \uc870\uc815 \ubb38\uc81c<\/h3>\n<p>\uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc815\uaca9 \uc99d\uac00\ubd84\uc774 \uac10\uc18c\ud558\uae30 \ub54c\ubb38\uc5d0 \uc18c\ud615 \ucc28\ub2e8\uae30 \ud06c\uae30\uc5d0\uc11c\ub294 \uc870\uc815\uc774 \uc810\uc810 \ub354 \uc5b4\ub824\uc6cc\uc9d1\ub2c8\ub2e4. 15A ~ 20A \ubd84\uae30 \ud68c\ub85c\ub294 1.33:1\uc758 \ube44\uc728\ub9cc \uc81c\uacf5\ud558\ubbc0\ub85c \ud45c\uc900 \uc5f4-\uc790\uae30 \ucc28\ub2e8\uae30\ub85c\ub294 \uc9c4\uc815\ud55c \uc870\uc815\uc744 \uac70\uc758 \ubd88\uac00\ub2a5\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc81c\ud55c\uc740 \ub9ce\uc740 \uc8fc\uac70 \ubc0f \uacbd\uc0c1\uc5c5\uc6a9 \uc124\ube44\uac00 \uc644\uc804\ud55c \uc120\ud0dd\uc801 \uc870\uc815\uc744 \ub2ec\uc131\ud560 \uc218 \uc5c6\ub294 \uc774\uc720\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p>For <a href=\"https:\/\/test.viox.com\/ko\/understanding-afdd-iec-62606-arc-fault-protection\/\">\uc544\ud06c \uacb0\ud568 \ubcf4\ud638<\/a> \uadf8\ub9ac\uace0 <a href=\"https:\/\/test.viox.com\/ko\/understanding-ground-fault-protection\/\">\ub450 \uc18c\uc2a4 \ubaa8\ub450\uc5d0\uc11c \uc804\uc6d0\uc774 \ucc28\ub2e8\ub41c \uc18c\uc2a4\uc758 \uc911\uc131\uc120 \uacbd\ub85c\ub97c \ud1b5\ud574 \ud750\ub974\ub294 \uc798\ubabb\ub41c \uc811\uc9c0 \uc624\ub958 \uc804\ub958\uac00 \ud45c\uc2dc\ub418\uc5b4 \ubcf4\ud638 \uc7a5\uce58\uac00 \ubd88\ud544\uc694\ud558\uac8c \ud2b8\ub9bd\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/a> \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc870\uc815\uc744 \ud558\ub824\uba74 \ub2e8\uc21c \uacfc\uc804\ub958 \ubcf4\ud638\ub97c \ub118\uc5b4 \ud2b9\uc218 \ud2b8\ub9bd \uae30\ub2a5\uc744 \ucd94\uac00\ub85c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ucd5c\uc2e0 <a href=\"https:\/\/test.viox.com\/ko\/electronic-mccb-trip-units-emi-mitigation\/\">\uc804\uc790 \ud2b8\ub9bd \uc7a5\uce58<\/a> \ub294 \uc870\uc815 \uac00\ub2a5\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ud504\ub85c\uadf8\ub798\ubc0d \uac00\ub2a5\ud55c \uc2dc\uac04 \uc9c0\uc5f0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc77c\ubc18\uc801\uc778 \uc804\uc120 \ud06c\uae30 \uc624\ub958 \ubc0f \ubc29\uc9c0 \ubc29\ubc95<\/h2>\n<p>\uc219\ub828\ub41c \uc804\uae30 \uae30\uc220\uc790\uc640 \uc5d4\uc9c0\ub2c8\uc5b4\uc870\ucc28\ub3c4 \uc548\uc804 \ubc0f \uaddc\uc815 \uc900\uc218\ub97c \uc800\ud574\ud558\ub294 \uc804\uc120 \ud06c\uae30 \uc624\ub958\ub97c \ubc94\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc77c\ubc18\uc801\uc778 \uc2e4\uc218\ub97c \uc774\ud574\ud558\uba74 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \uc7ac\uc791\uc5c5\uacfc \uc7a0\uc7ac\uc801\uc778 \uc704\ud5d8\uc744 \ud53c\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h3>\uc2e4\uc218 1: \uc804\uc555 \uac15\ud558 \ubb34\uc2dc<\/h3>\n<p>\ub9ce\uc740 \uc124\uce58\uc790\uac00 \ud2b9\ud788 \uae34 \ud68c\ub85c\uc5d0\uc11c \uc804\uc555 \uac15\ud558\ub97c \ubb34\uc2dc\ud55c \ucc44 \uc804\ub958 \uc6a9\ub7c9\uc5d0\ub9cc \uc9d1\uc911\ud569\ub2c8\ub2e4. NEC\ub294 \ubd84\uae30 \ud68c\ub85c\uc758 \uacbd\uc6b0 3%, \uacf5\uae09 \uc7a5\uce58\uc640 \ubd84\uae30 \ud68c\ub85c\ub97c \ud569\uccd0 \ucd1d 5%\ub85c \uc804\uc555 \uac15\ud558\ub97c \uc81c\ud55c\ud560 \uac83\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4. \uacfc\ub3c4\ud55c \uc804\uc555 \uac15\ud558\ub294 \uc7a5\ube44 \uc624\uc791\ub3d9, \ud6a8\uc728\uc131 \uc800\ud558 \ubc0f \ubaa8\ud130 \uc218\uba85 \ub2e8\ucd95\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158:<\/strong> 50\ud53c\ud2b8\ubcf4\ub2e4 \uae34 \ud68c\ub85c\uc758 \uacbd\uc6b0 \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc804\uc555 \uac15\ud558\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<p>VD = 2 \u00d7 K \u00d7 I \u00d7 L \/ CM<\/p>\n<p>Where:<\/p>\n<ul>\n<li>VD = \uc804\uc555 \uac15\ud558 (\ubcfc\ud2b8)<\/li>\n<li>K = \uc800\ud56d \uc0c1\uc218 (\uad6c\ub9ac\uc758 \uacbd\uc6b0 12.9, \uc54c\ub8e8\ubbf8\ub284\uc758 \uacbd\uc6b0 21.2)<\/li>\n<li>I = \uc804\ub958 (\uc554\ud398\uc5b4)<\/li>\n<li>L = \ud3b8\ub3c4 \ud68c\ub85c \uae38\uc774 (\ud53c\ud2b8)<\/li>\n<li>CM = \uc6d0\ud615 \ubc00 (\uc804\uc120 \ub2e8\uba74\uc801)<\/li>\n<\/ul>\n<p>\uacc4\uc0b0\ub41c \uc804\uc555 \uac15\ud558\uac00 \uc2dc\uc2a4\ud15c \uc804\uc555\uc758 3%\ub97c \ucd08\uacfc\ud558\uba74 \uc804\uc120 \ud06c\uae30\ub97c \ub298\ub9bd\ub2c8\ub2e4. <a href=\"https:\/\/test.viox.com\/ko\/iec-60204-1-cable-sizing-formulas-voltage-drop-trunking-capacity-tables\/\">\ucf00\uc774\ube14 \ud06c\uae30 \uc870\uc815 \uc9c0\uce68<\/a>, \uc740 IEC 60204-1 \ud45c\uc900\uc744 \ucc38\uc870\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uc2e4\uc218 2: \ucc28\ub2e8\uae30 \ud06c\uae30\ub97c \uc804\uc120 \ud06c\uae30 \uc9c0\ud45c\ub85c \uc0ac\uc6a9<\/h3>\n<p>\uc77c\ubc18\uc801\uc774\uc9c0\ub9cc \uc704\ud5d8\ud55c \uac00\uc815: \u201c30A \ucc28\ub2e8\uae30\uac00 \uc788\uc73c\ubbc0\ub85c 10 AWG \uc804\uc120\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.\u201d \uc774\ub7ec\ud55c \ub17c\ub9ac\ub294 \uc815\uaca9 \uac10\uc18c \uacc4\uc218\uac00 \uc801\uc6a9\ub418\uac70\ub098 \ucc28\ub2e8\uae30\uac00 \ub2e4\ub978 \uc804\uc120 \ud06c\uae30\uc758 \uc5ec\ub7ec \ud68c\ub85c\ub97c \ubcf4\ud638\ud558\ub294 \uacbd\uc6b0\uc5d0 \uc2e4\ud328\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158:<\/strong> \ud56d\uc0c1 \uc2e4\uc81c \ubd80\ud558\ub97c \uae30\uc900\uc73c\ub85c \ud544\uc694\ud55c \uc804\ub958 \uc6a9\ub7c9\uc744 \uacc4\uc0b0\ud558\uace0, \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\uaca9 \uac10\uc18c \uacc4\uc218\ub97c \uc801\uc6a9\ud55c \ub2e4\uc74c, \uc804\ub958 \uc6a9\ub7c9 \ud45c\uc5d0\uc11c \uc804\uc120 \ud06c\uae30\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624. \uc804\uc120 \ud06c\uae30\ub97c \uacb0\uc815\ud55c \ud6c4\uc5d0\ub9cc \uc801\uc808\ud55c \ucc28\ub2e8\uae30 \uc815\uaca9\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc2e4\uc218 3: \uc870\uc815 \uc5c6\uc774 \uad6c\ub9ac\uc640 \uc54c\ub8e8\ubbf8\ub284 \ud63c\ud569<\/h3>\n<p>\uc54c\ub8e8\ubbf8\ub284 \uc804\uc120\uc740 \ub3d9\uc77c\ud55c \uc804\ub958 \uc6a9\ub7c9\uc5d0 \ub300\ud574 \uad6c\ub9ac\ubcf4\ub2e4 \uc57d 2 AWG \ud06c\uae30\uac00 \ub354 \ucee4\uc57c \ud569\ub2c8\ub2e4. \uad6c\ub9ac \uc804\ub958 \uc6a9\ub7c9 \uac12\uc5d0 \ub9de\uac8c \ud06c\uae30\uac00 \uc870\uc815\ub41c \uc54c\ub8e8\ubbf8\ub284 \uc804\uc120\uc744 \uc124\uce58\ud558\uba74 \uc2ec\uac01\ud55c \ud654\uc7ac \uc704\ud5d8\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158:<\/strong> \uc54c\ub8e8\ubbf8\ub284 \uc804\uc120\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 NEC \ud45c 310.16\uc758 \uc54c\ub8e8\ubbf8\ub284 \uc5f4\uc744 \ucc38\uc870\ud558\uace0 \ubaa8\ub4e0 \uc885\ub2e8\uc774 \uc54c\ub8e8\ubbf8\ub284 \uc804\uc120(AL \ub610\ub294 AL\/CU \ud45c\uc2dc)\uc5d0 \ub300\ud574 \uc815\uaca9\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/busbar-selection-guide-copper-tin-silver-plating-comparison\/\">\ubc84\uc2a4\ubc14 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/a>, \uc758 \uacbd\uc6b0 \uc7ac\ub8cc \uc120\ud0dd\uc774 \uc131\ub2a5\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<h3>\uc2e4\uc218 4: \ub2e8\uc790 \uc628\ub3c4 \uc815\uaca9 \uac04\uacfc<\/h3>\n<p>\uc804\uc120 \uc804\ub958 \uc6a9\ub7c9\uc774 \ucc28\ub2e8\uae30 \uc815\uaca9\uc744 \ucd08\uacfc\ud558\ub354\ub77c\ub3c4 \ub2e8\uc790 \uc628\ub3c4 \uc81c\ud55c\uc73c\ub85c \uc778\ud574 \uc815\uaca9\uc774 \uac10\uc18c\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. NEC 110.14(C)\uc5d0\uc11c\ub294 \uc804\uc120\uc744 \uc804\uc120 \uc628\ub3c4 \uc815\uaca9 \ub610\ub294 \ub2e8\uc790 \uc628\ub3c4 \uc815\uaca9 \uc911 \ub354 \ub0ae\uc740 \uac12\uc744 \uae30\uc900\uc73c\ub85c \ud06c\uae30\ub97c \uc870\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158:<\/strong> \uc815\uaca9\uc774 100A \uc774\ud558\uc778 \uc7a5\ube44\uc758 \uacbd\uc6b0 \uc7a5\ube44\uac00 75\u00b0C \uc885\ub2e8\uc5d0 \ub300\ud574 \ud2b9\ubcc4\ud788 \ud45c\uc2dc\ub418\uc9c0 \uc54a\uc740 \ud55c 60\u00b0C \uc804\ub958 \uc6a9\ub7c9 \uc5f4\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc815\uaca9\uc774 100A\ub97c \ucd08\uacfc\ud558\ub294 \uc7a5\ube44\uc758 \uacbd\uc6b0 \ub2ec\ub9ac \ud45c\uc2dc\ub418\uc9c0 \uc54a\uc740 \ud55c 75\u00b0C \uc5f4\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc774\ub85c \uc778\ud574 \uc804\ub958 \uc6a9\ub7c9 \uacc4\uc0b0\ub9cc\uc73c\ub85c\ub294 \uc54c \uc218 \uc5c6\ub294 \ub354 \ud070 \uc804\uc120\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<p>For <a href=\"https:\/\/test.viox.com\/ko\/circuit-protection-selection-framework-a-5-step-guide-for-panel-builders-iec-60947\/\">\ud68c\ub85c \ubcf4\ud638 \ud504\ub808\uc784\uc6cc\ud06c<\/a> \uac1c\ubc1c\uc5d0\uc11c \uc774\ub7ec\ud55c \uc77c\ubc18\uc801\uc778 \uc2e4\uc218\ub97c \uccb4\uacc4\uc801\uc73c\ub85c \ud574\uacb0\ud558\uba74 \uc548\uc815\uc801\uc774\uace0 \uaddc\uc815\uc744 \uc900\uc218\ud558\ub294 \uc124\uce58\ub97c \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud2b9\uc218 \uc560\ud50c\ub9ac\ucf00\uc774\uc158: \ubaa8\ud130, HVAC \ubc0f \uc5f0\uc18d \ubd80\ud558<\/h2>\n<p>\ud2b9\uc815 \uc804\uae30 \ubd80\ud558\ub294 \ud45c\uc900 \ubd84\uae30 \ud68c\ub85c \uacc4\uc0b0\uc744 \ub118\uc5b4 \uc218\uc815\ub41c \uc804\uc120 \ud06c\uae30 \uc870\uc815 \uc811\uadfc \ubc29\uc2dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc218\ud55c \uacbd\uc6b0\ub97c \uc774\ud574\ud558\uba74 \ud06c\uae30\uac00 \uc791\uc544\uc9c0\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uace0 \uaddc\uc815 \uc704\ubc18\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ubaa8\ud130 \ud68c\ub85c \ud06c\uae30 \uc870\uc815<\/h3>\n<p>\ubaa8\ud130 \ud68c\ub85c\ub294 \uc2dc\ub3d9 \uc804\ub958\uac00 \uc804\uccb4 \ubd80\ud558 \uc804\ub958\uc758 600-800%\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uace0\uc720\ud55c \ubb38\uc81c\uac00 \uc788\uc2b5\ub2c8\ub2e4. NEC Article 430\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc744 \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub3c4\uccb4<\/strong>: NEC \ud45c 430.250\uc5d0\uc11c \ubaa8\ud130 \uc804\uccb4 \ubd80\ud558 \uc804\ub958(FLA)\uc758 125% \ud06c\uae30\ub85c \uc870\uc815<\/li>\n<li><strong>\ubd84\uae30 \ud68c\ub85c \ucc28\ub2e8\uae30<\/strong>: \uc5ed\uc2dc\uac04 \ucc28\ub2e8\uae30\uc758 \uacbd\uc6b0 FLA\uc758 250% \ud06c\uae30\ub85c \uc870\uc815 (NEC 430.52)<\/li>\n<li><strong>\uacfc\ubd80\ud558 \ubcf4\ud638<\/strong>: FLA\uc758 115-125% \ud06c\uae30\ub85c \uc870\uc815\ub41c \ubcc4\ub3c4\uc758 \uacfc\ubd80\ud558 \ub9b4\ub808\uc774<\/li>\n<\/ul>\n<p><strong>\uc608\uc2dc:<\/strong> 28A FLA\uc758 10 HP, 230V, 3\uc0c1 \ubaa8\ud130:<\/p>\n<ul>\n<li>\uc804\uc120 \ud06c\uae30 \uc870\uc815: 28A \u00d7 1.25 = 35A \u2192 \ucd5c\uc18c 8 AWG \uad6c\ub9ac \ud544\uc694<\/li>\n<li>\ubd84\uae30 \ucc28\ub2e8\uae30: 28A \u00d7 2.5 = 70A \u2192 70A \ub610\ub294 80A \ucc28\ub2e8\uae30 \uc0ac\uc6a9<\/li>\n<li>\uacfc\ubd80\ud558 \ub9b4\ub808\uc774: 28A \u00d7 1.15 = 32.2A \uc124\uc815<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \uc811\uadfc \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud558\uba74 \uc131\uac00\uc2e0 \ud2b8\ub9bd \uc5c6\uc774 \ub192\uc740 \uc2dc\ub3d9 \uc804\ub958\uac00 \ud750\ub974\ub3c4\ub85d \ud5c8\uc6a9\ud558\ub294 \ub3d9\uc2dc\uc5d0 \uc791\ub3d9 \uc870\uac74\uc5d0\uc11c \uc801\uc808\ud55c \uacfc\ubd80\ud558 \ubcf4\ud638\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud3ec\uad04\uc801\uc778 \uc9c0\uce68\uc740 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/types-of-motor-starters-selection-guide\/\">\ubaa8\ud130 \uc2a4\ud0c0\ud130 \uc120\ud0dd \uac00\uc774\ub4dc<\/a> \uadf8\ub9ac\uace0 <a href=\"https:\/\/test.viox.com\/ko\/thermal-overload-relay-vs-mpcb-difference\/\">\uc5f4 \uacfc\ubd80\ud558 \ub9b4\ub808\uc774 \ube44\uad50<\/a>.<\/p>\n<h3>HVAC \uc7a5\ube44<\/h3>\n<p>\uc5d0\uc5b4\ucee8 \ubc0f \ud788\ud2b8 \ud38c\ud504 \uc7a5\ube44\ub294 \uace0\uc815 \ub85c\ud130 \uc804\ub958, \uc555\ucd95\uae30 \uc2dc\ub3d9 \ud2b9\uc131 \ubc0f \uc5f0\uc18d \uc791\ub3d9\uc73c\ub85c \uc778\ud574 \ud2b9\ubcc4\ud55c \uace0\ub824 \uc0ac\ud56d\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc7a5\ube44 \uba85\ud310\uc5d0\ub294 \ub2e4\uc74c\uc774 \uc9c0\uc815\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ucd5c\uc18c \ud68c\ub85c \uc804\ub958 \uc6a9\ub7c9 (MCA)<\/strong>: \ud544\uc694\ud55c \uc804\uc120 \ud06c\uae30\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ucd5c\ub300 \uacfc\uc804\ub958 \ubcf4\ud638 (MOP)<\/strong>: \ucd5c\ub300 \ucc28\ub2e8\uae30 \ud06c\uae30\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc791\ub3d9 \uc804\ub958\ub9cc\uc73c\ub85c \uacc4\uc0b0\ud558\ub294 \ub300\uc2e0 \ud56d\uc0c1 \uc774\ub7ec\ud55c \uba85\ud310 \uac12\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc81c\uc870\uc5c5\uccb4\ub294 \uc774\ubbf8 \uc2dc\ub3d9 \uc804\ub958, \ub2e4\uc911 \ubaa8\ud130 \ubc0f \uc5f0\uc18d \uc791\ub3d9\uc744 \uace0\ub824\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc804\uae30 \uc790\ub3d9\ucc28 \ucda9\uc804\uc18c<\/h3>\n<p>EV \ucda9\uc804\uae30\ub294 125% \ud06c\uae30 \uc870\uc815 \uacc4\uc218 \uc801\uc6a9\uc774 \ud544\uc694\ud55c \uc5f0\uc18d \ubd80\ud558\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c NEC Article 625\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc744 \ubd80\uacfc\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub808\ubca8 2 \ucda9\uc804\uae30 (240V, 40A)<\/strong>: 50A \ucc28\ub2e8\uae30 \ubc0f \ucd5c\uc18c 6 AWG \uad6c\ub9ac \ud544\uc694<\/li>\n<li><strong>\ub2e4\uc911 \ucda9\uc804\uae30<\/strong>: \ubd80\ud558 \uad00\ub9ac \uc2dc\uc2a4\ud15c\uc740 \ud06c\uae30 \uc870\uc815 \uc694\uad6c \uc0ac\ud56d\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>GFCI \ubcf4\ud638<\/strong>: \ubaa8\ub4e0 EV \uacf5\uae09 \uc7a5\ube44\uc5d0 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc790\uc138\ud55c \uc9c0\uce68\uc740 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/ev-charger-circuit-breaker-sizing-guide-7kw-22kw\/\">EV \ucda9\uc804\uae30 \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30 \uc870\uc815 \uac00\uc774\ub4dc<\/a> \uadf8\ub9ac\uace0 <a href=\"https:\/\/test.viox.com\/ko\/commercial-ev-charging-protection-guide-acb-mccb-rcbo\/\">\uc0c1\uc5c5\uc6a9 EV \ucda9\uc804 \ubcf4\ud638<\/a>.<\/p>\n<h2>\uad6d\uc81c \ud45c\uc900: IEC vs. NEC \uc811\uadfc \ubc29\uc2dd<\/h2>\n<p>\uc774 \uac00\uc774\ub4dc\ub294 \uc8fc\ub85c \ubd81\ubbf8\uc5d0\uc11c \ud754\ud788 \uc0ac\uc6a9\ub418\ub294 NEC \uc694\uad6c \uc0ac\ud56d\uc5d0 \uc911\uc810\uc744 \ub450\uc9c0\ub9cc, \ub9ce\uc740 VIOX \uace0\uac1d\uc740 \uad6d\uc81c\uc801\uc73c\ub85c IEC \ud45c\uc900\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc8fc\uc694 \ucc28\uc774\uc810\uc744 \uc774\ud574\ud558\uba74 \uae00\ub85c\ubc8c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc624\ub958\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc804\uc120 \ud06c\uae30 \ucc28\uc774<\/h3>\n<ul>\n<li><strong>\uce21\uc815 \uc2dc\uc2a4\ud15c<\/strong>: IEC\ub294 AWG \ub300\uc2e0 mm\u00b2 \ub2e8\uc704\uc758 \ub2e8\uba74\uc801\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud5c8\uc6a9 \uc804\ub958 \ud45c<\/strong>: IEC 60364-5-52\ub294 NEC \ud45c 310.16\uacfc \ub2e4\ub978 \ud5c8\uc6a9 \uc804\ub958 \uac12\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc124\uce58 \ubc29\ubc95<\/strong>: IEC\ub294 \ud5c8\uc6a9 \uc804\ub958\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \ub354 \ub9ce\uc740 \uc124\uce58 \ubc29\ubc95 \ubc94\uc8fc\ub97c \uc815\uc758\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><strong>\uc77c\ubc18\uc801\uc778 \ubcc0\ud658:<\/strong><\/p>\n<ul>\n<li>14 AWG \u2248 2.5 mm\u00b2<\/li>\n<li>12 AWG \u2248 4 mm\u00b2<\/li>\n<li>10 AWG \u2248 6 mm\u00b2<\/li>\n<li>8 AWG \u2248 10 mm\u00b2<\/li>\n<\/ul>\n<h3>\ucc28\ub2e8\uae30 \ud611\uc870 \uc811\uadfc \ubc29\uc2dd<\/h3>\n<p>IEC 60947-2\ub294 NEC\/UL \ud45c\uc900\uacfc \ube44\uad50\ud558\uc5ec \ub2e4\ub978 \ucc28\ub2e8\uae30 \ud2b9\uc131 \ubc0f \ud611\uc870 \uc694\uad6c \uc0ac\ud56d\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. IEC \ucc28\ub2e8\uae30\ub294 \ubd81\ubbf8 \uad00\ud589\uacfc \ub2e4\ub978 \ud2b8\ub9bd \uace1\uc120 \uc9c0\uc815(B, C, D \uace1\uc120)\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub450 \ud45c\uc900\uc774 \ubaa8\ub450 \ud544\uc694\ud55c \ud504\ub85c\uc81d\ud2b8\uc758 \uacbd\uc6b0 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/nec-vs-iec-terminology-correspondence\/\">NEC vs. IEC \uc6a9\uc5b4\uc9d1<\/a>.<\/p>\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<p><strong>Q: 14 AWG \uc804\uc120\uc5d0 20A \ucc28\ub2e8\uae30\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong><\/p>\n<p>\uc544\ub2c8\uc694. NEC 240.4(D)\ub294 14 AWG \uad6c\ub9ac \uc804\uc120\uc744 \ucd5c\ub300 \uacfc\uc804\ub958 \ubcf4\ud638 15A\ub85c \uc81c\ud55c\ud569\ub2c8\ub2e4. \uc774\ub294 \ud5c8\uc6a9 \uc804\ub958 \uc815\uaca9\uc774 75\u00b0C\uc5d0\uc11c 20A\uc784\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uc801\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uaddc\uce59\uc740 \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uac00\uc7a5 \uc791\uc740 \ub3c4\uccb4 \ud06c\uae30\uc5d0 \ub300\ud55c \ucd94\uac00 \uc548\uc804 \uc5ec\uc720\ub97c \uc81c\uacf5\ud558\uae30 \uc704\ud574 \uc874\uc7ac\ud569\ub2c8\ub2e4. \ud56d\uc0c1 14 AWG \uc804\uc120\uacfc \ud568\uaed8 15A \ucc28\ub2e8\uae30\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>Q: \uc804\uc120\uc774 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uac83\ubcf4\ub2e4 \ub354 \ud070 \ucc28\ub2e8\uae30\ub97c \uc124\uce58\ud558\uba74 \uc5b4\ub5bb\uac8c \ub429\ub2c8\uae4c?<\/strong><\/p>\n<p>\uacfc\ub3c4\ud55c \ud06c\uae30\uc758 \ucc28\ub2e8\uae30\ub97c \uc124\uce58\ud558\uba74 \uc2ec\uac01\ud55c \ud654\uc7ac \uc704\ud5d8\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc804\uc120\uc774 \uacfc\uc5f4\ub418\uc5b4 \ucc28\ub2e8\uae30\uac00 \ud2b8\ub9bd\ub418\uae30 \uc804\uc5d0 \uc808\uc5f0\uc7ac \ub610\ub294 \uc8fc\ubcc0 \ubb3c\uc9c8\uc5d0 \ubd88\uc774 \ubd99\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud68c\ub85c \ucc28\ub2e8\uae30\uc758 \uc8fc\uc694 \uae30\ub2a5\uc740 \uc5f0\uacb0\ub41c \ubd80\ud558\uac00 \uc544\ub2cc \uc804\uc120\uc744 \ubcf4\ud638\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ucc28\ub2e8\uae30 \ud06c\uae30\ub97c \uc120\ud0dd\ud560 \ub54c \uc804\uc120\uc758 \ud5c8\uc6a9 \uc804\ub958 \uc815\uaca9\uc744 \ucd08\uacfc\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>Q: \uae34 \uc804\uc120\uc5d0\uc11c \uc804\uc555 \uac15\ud558\ub97c \uc5b4\ub5bb\uac8c \uace0\ub824\ud574\uc57c \ud569\ub2c8\uae4c?<\/strong><\/p>\n<p>\uacf5\uc2dd VD = 2 \u00d7 K \u00d7 I \u00d7 L \/ CM\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc804\uc555 \uac15\ud558\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc11c K = \uad6c\ub9ac\uc758 \uacbd\uc6b0 12.9\uc785\ub2c8\ub2e4. \uacc4\uc0b0\ub41c \uc804\uc555 \uac15\ud558\uac00 \uc2dc\uc2a4\ud15c \uc804\uc555\uc758 3%\ub97c \ucd08\uacfc\ud558\uba74 \ub3c4\uccb4\ub97c \ub2e4\uc74c\uc73c\ub85c \ud070 \uac8c\uc774\uc9c0\ub85c \ub298\ub9ac\uace0 \ub2e4\uc2dc \uacc4\uc0b0\ud569\ub2c8\ub2e4. 120V \ud68c\ub85c\uc758 \uacbd\uc6b0 3%\ub294 \ucd5c\ub300 3.6V \uac15\ud558\uc640 \uac19\uc2b5\ub2c8\ub2e4. \uae34 \uc804\uc120\uc740 \uc885\uc885 \ud5c8\uc6a9 \uc804\ub958\ub9cc\uc73c\ub85c\ub294 \ub098\ud0c0\ub0bc \uc218 \uc788\ub294 \uac83\ubcf4\ub2e4 \ud6e8\uc52c \ud070 \uc804\uc120 \ud06c\uae30\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>Q: \ubaa8\ub4e0 \uc124\uce58\uc5d0 \ub300\ud574 \uc804\uc120 \ud5c8\uc6a9 \uc804\ub958\ub97c \ub0ae\ucdb0\uc57c \ud569\ub2c8\uae4c?<\/strong><\/p>\n<p>\ub514\ub808\uc774\ud305\uc740 \uc2e4\uc81c \uc124\uce58 \uc870\uac74\uc774 NEC \ud45c 310.16\uc758 \ud45c\uc900 \uac00\uc815(3\uac1c \uc774\ud558\uc758 \uc804\ub958 \uc6b4\ubc18 \ub3c4\uccb4, 30\u00b0C \uc8fc\ubcc0 \uc628\ub3c4 \ubc0f \uc9c0\uc815\ub41c \uc808\uc5f0 \uc720\ud615)\uacfc \ub2e4\ub97c \ub54c\ub9c8\ub2e4 \uc801\uc6a9\ub429\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc2e4\uc81c \uc124\uce58\uc5d0\ub294 \ucd5c\uc18c\ud55c \uc628\ub3c4 \ubcf4\uc815 \ub610\ub294 \uc804\uc120\uad00 \ucc44\uc6b0\uae30 \uc870\uc815\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ub514\ub808\uc774\ud305 \uc694\uc18c\uac00 \ud2b9\uc815 \uc124\uce58\uc5d0 \uc801\uc6a9\ub418\ub294\uc9c0 \ud56d\uc0c1 \ud3c9\uac00\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>Q: \ube44\uc6a9\uc744 \uc808\uac10\ud558\uae30 \uc704\ud574 \uad6c\ub9ac \uc804\uc120 \ub300\uc2e0 \uc54c\ub8e8\ubbf8\ub284 \uc804\uc120\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong><\/p>\n<p>\uc54c\ub8e8\ubbf8\ub284 \uc804\uc120\uc740 \ub9ce\uc740 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ud5c8\uc6a9\ub418\uc9c0\ub9cc \ub3d9\ub4f1\ud55c \ud5c8\uc6a9 \uc804\ub958\ub97c \uc704\ud574\uc11c\ub294 \uad6c\ub9ac\ubcf4\ub2e4 \uc57d 2 AWG \ud06c\uae30\uac00 \ub354 \ucee4\uc57c \ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \uc885\ub2e8\uc740 \uc54c\ub8e8\ubbf8\ub284 \ub4f1\uae09(AL \ub610\ub294 AL\/CU\ub85c \ud45c\uc2dc)\uc774\uc5b4\uc57c \ud558\uba70 \uc801\uc808\ud55c \uc0b0\ud654 \ubc29\uc9c0 \ud654\ud569\ubb3c\uc744 \uc801\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc7ac\ub8cc \ube44\uc6a9 \uc808\uac10\uc774 \ub354 \ud070 \ud06c\uae30 \uc694\uad6c \uc0ac\ud56d\ubcf4\ub2e4 \uc911\uc694\ud55c \ub300\ud615 \ub3c4\uccb4(4 AWG \uc774\uc0c1)\uc5d0 \uac00\uc7a5 \ube44\uc6a9 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>Q: 80% \uc815\uaca9 \ucc28\ub2e8\uae30\uc640 100% \uc815\uaca9 \ucc28\ub2e8\uae30\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/p>\n<p>\ud45c\uc900 \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 80% \uc815\uaca9\uc785\ub2c8\ub2e4. \uc989, \uc5f0\uc18d \ubd80\ud558\ub294 \ucc28\ub2e8\uae30 \uc815\uaca9\uc758 80%\ub97c \ucd08\uacfc\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. 100% \uc815\uaca9\uc73c\ub85c \ud2b9\ubcc4\ud788 \ub098\uc5f4\ub41c \ucc28\ub2e8\uae30\ub294 \uc815\uaca9 \uc804\ub958\ub97c \uc644\uc804\ud788 \uc5f0\uc18d\uc801\uc73c\ub85c \uc804\ub2ec\ud560 \uc218 \uc788\uc9c0\ub9cc \ud2b9\uc815 \uc124\uce58 \uc870\uac74(\uc77c\ubc18\uc801\uc73c\ub85c \uc801\uc808\ud55c \uc778\ud074\ub85c\uc800\uc5d0 \ub458\ub7ec\uc2f8\uc784)\uc774 \ud544\uc694\ud558\uba70 \ube44\uc6a9\uc774 \ud6e8\uc52c \ub354 \ub9ce\uc774 \ub4ed\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 \uc801\uc808\ud55c \ud06c\uae30 \uc870\uc815 \uc694\uc18c\uac00 \uc801\uc6a9\ub41c \ud45c\uc900 80% \uc815\uaca9 \ucc28\ub2e8\uae30\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860: \uc801\uc808\ud55c \ud611\uc870\ub97c \ud1b5\ud55c \ub354 \uc548\uc804\ud55c \uc804\uae30 \uc2dc\uc2a4\ud15c \uad6c\ucd95<\/h2>\n<p>\uc62c\ubc14\ub978 \uc804\uc120 \uac8c\uc774\uc9c0 \ubc0f \ud68c\ub85c \ucc28\ub2e8\uae30 \ud611\uc870\ub294 \ubaa8\ub4e0 \uc124\uce58\uc5d0\uc11c \uc804\uae30 \uc548\uc804\uc758 \uae30\ucd08\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \ud5c8\uc6a9 \uc804\ub958 \uae30\ubcf8 \uc0ac\ud56d\uc744 \uc774\ud574\ud558\uace0, 80% \uaddc\uce59 \ubc0f Article 240.4(D) \uc81c\ud55c\uc744 \ud3ec\ud568\ud55c NEC \uc694\uad6c \uc0ac\ud56d\uc744 \uc801\uc6a9\ud558\uace0, \ub514\ub808\uc774\ud305 \uc694\uc18c\ub97c \uace0\ub824\ud558\uace0, \uc120\ud0dd\uc801 \ud611\uc870 \uc804\ub7b5\uc744 \uad6c\ud604\ud568\uc73c\ub85c\uc368 \uac00\ub3d9 \uc911\uc9c0 \uc2dc\uac04\uc744 \ucd5c\uc18c\ud654\ud558\uba74\uc11c \uc0ac\ub78c\uacfc \uc7a5\ube44\ub97c \ubaa8\ub450 \ubcf4\ud638\ud558\ub294 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc804\uc120 \ud06c\uae30\uc640 \ucc28\ub2e8\uae30 \uc804\ub958 \uac04\uc758 \uad00\uacc4\ub294 \uc784\uc758\uc801\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc218\uc2ed \ub144\uac04\uc758 \uc804\uae30 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc9c0\uc2dd\uacfc \uad6d\uac00 \uc804\uae30 \uaddc\uc815\uc5d0 \uba85\uc2dc\ub41c \uc548\uc804 \ub370\uc774\ud130\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ubaa8\ub4e0 \uc804\uc120 \uac8c\uc774\uc9c0 \uc120\ud0dd \ubc0f \ucc28\ub2e8\uae30 \ud06c\uae30 \uacb0\uc815\uc740 \uc804\uae30 \uc124\uce58\uc758 \uc548\uc804\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uac70\ub098 \uc800\ud574\ud569\ub2c8\ub2e4.<\/p>\n<p>B2B \uc804\uae30 \uc7a5\ube44 \uc870\ub2ec\uc744 \uc704\ud574 VIOX Electric\uc740 \uc644\ubcbd\ud55c \uc81c\ud488\uad70\uc744 \uc81c\uc870\ud569\ub2c8\ub2e4. <a href=\"https:\/\/test.viox.com\/ko\/types-of-circuit-breakers\/\">\ud68c\ub85c \ucc28\ub2e8\uae30<\/a>, <a href=\"https:\/\/test.viox.com\/ko\/what-is-a-miniature-circuit-breaker-mcb\/\">MCB<\/a>, <a href=\"https:\/\/test.viox.com\/ko\/what-is-a-molded-case-circuit-breaker-mccb\/\">MCCB<\/a>\ubc0f <a href=\"https:\/\/test.viox.com\/ko\/load-center-vs-distribution-board-nema-iec-difference\/\">\ubc30\uc804 \uc7a5\ube44<\/a> NEC \ubc0f IEC \ud45c\uc900\uc744 \ubaa8\ub450 \ucda9\uc871\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub2f9\uc0ac\uc758 \uae30\uc220 \ud300\uc740 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ub294 \uc801\uc808\ud55c \uc804\uc120 \ud06c\uae30 \uc870\uc815 \ubc0f \ucc28\ub2e8\uae30 \ud611\uc870\ub97c \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc751\uc6a9 \ubd84\uc57c \uc9c0\uc6d0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Selecting the correct wire gauge for your circuit breaker isn&#8217;t just about meeting code\u2014it&#8217;s about preventing electrical fires, equipment damage, and costly downtime. The relationship between wire size and breaker amperage forms the foundation of electrical safety in every installation, from residential panels to industrial switchgear. This guide provides the definitive sizing charts, NEC compliance [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21570,"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-21569","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\/21569","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=21569"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/21569\/revisions"}],"predecessor-version":[{"id":21571,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/21569\/revisions\/21571"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/media\/21570"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/media?parent=21569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/categories?post=21569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/tags?post=21569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}