{"id":21492,"date":"2026-01-30T23:26:36","date_gmt":"2026-01-30T15:26:36","guid":{"rendered":"https:\/\/viox.com\/?p=21492"},"modified":"2026-01-30T23:29:43","modified_gmt":"2026-01-30T15:29:43","slug":"circuit-breaker-i2t-permissible-energy-curve-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ko\/circuit-breaker-i2t-permissible-energy-curve-guide\/","title":{"rendered":"I\u00b2t \uc774\ud574: \ud68c\ub85c \ucc28\ub2e8\uae30 \ud5c8\uc6a9 \uc5d0\ub108\uc9c0 \uace1\uc120 \uc77d\uace0 \uc801\uc6a9\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>\uc9c1\uc811 \ub2f5\ubcc0<\/h2>\n<p>\ud68c\ub85c \ucc28\ub2e8\uae30\uc758 I\u00b2t(\ud5c8\uc6a9 \uc5d0\ub108\uc9c0) \uace1\uc120\uc740 \uace0\uc7a5 \ucc28\ub2e8 \uc911\uc5d0 \ud1b5\uacfc\ud558\ub294 \uc5f4\uc5d0\ub108\uc9c0\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc774 \uace1\uc120\uc744 \uc77d\ub294 \ubc29\ubc95\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4. X\ucd95\uc5d0\uc11c \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958\ub97c \ucc3e\uace0, \uc704\ub85c \ucd94\uc801\ud558\uc5ec \ucc28\ub2e8\uae30 \uace1\uc120\uacfc \uad50\ucc28\ud558\ub294 \uc9c0\uc810\uc744 \ucc3e\uc740 \ub2e4\uc74c, Y\ucd95\uc5d0\uc11c \ud574\ub2f9 I\u00b2t \uac12\uc744 \uc77d\uc2b5\ub2c8\ub2e4. \uc774 \uac12\uc740 \uc548\uc804\ud55c \uc791\ub3d9\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ub3c4\uccb4\uc758 \uc5f4 \ub0b4\uc131 \uc6a9\ub7c9(K\u00b2S\u00b2)\ubcf4\ub2e4 \uc791\uc544\uc57c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, 100kA \uace0\uc7a5\uc744 \ucc28\ub2e8\ud558\ub294 160A \uc804\ub958 \uc81c\ud55c \ucc28\ub2e8\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c I\u00b2t\ub97c \uc57d 0.48\u00d710\u2076 A\u00b2s\ub85c \uc81c\ud55c\ud558\uc5ec \ubc00\ub9ac\ucd08 \ub0b4\uc5d0 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ucf00\uc774\ube14 \ubc0f \ubd80\uc2a4\ubc14\uc758 \uc5f4 \uc190\uc0c1\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>I\u00b2t\ub780 \ubb34\uc5c7\uc774\uba70 \uc804\uae30 \uc548\uc804\uc5d0 \uc65c \uc911\uc694\ud55c\uac00<\/h2>\n<p>\uc804\uae30 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub2e8\ub77d \uace0\uc7a5\uc774 \ubc1c\uc0dd\ud558\uba74 \uc5c4\uccad\ub09c \uc804\ub958 \uc11c\uc9c0\uac00 I\u00b2R \ud6a8\uacfc\ub97c \ud1b5\ud574 \uac15\ub82c\ud55c \uc5f4\uc744 \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4. \ub3c4\uccb4\uac00 \ud761\uc218\ud558\ub294 \ucd1d \uc5f4\uc5d0\ub108\uc9c0\ub294 \uc804\ub958\uc758 \ud06c\uae30\uc640 \ubcf4\ud638 \uc7a5\uce58\uac00 \uace0\uc7a5\uc744 \uc81c\uac70\ud558\uae30 \uc804\uc758 \uc9c0\uc18d \uc2dc\uac04\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc774 \uad00\uacc4\ub294 \uc554\ud398\uc5b4 \uc81c\uacf1 \ucd08(A\u00b2s) \ub2e8\uc704\ub85c \uce21\uc815\ub418\ub294 \uc2dc\uac04\ub2f9 \uc804\ub958 \uc81c\uacf1\uc758 \uc801\ubd84\uc778 I\u00b2t\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc804\ub958 \uc81c\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \uc911\uc694\ud55c \uc7a5\uc810\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uace0\uc7a5 \ubc1c\uc0dd \uc2dc \ud53c\ud06c \uc804\ub958\uc640 \ucc28\ub2e8 \uc2dc\uac04\uc744 \ubaa8\ub450 \ud06c\uac8c \uc904\uc785\ub2c8\ub2e4. IEC 60947-1 \ud45c\uc900\uc5d0 \ub530\ub974\uba74 \ud5c8\uc6a9 \uc5d0\ub108\uc9c0 \uace1\uc120(\ud1b5\uacfc \uc5d0\ub108\uc9c0 \uace1\uc120\uc774\ub77c\uace0\ub3c4 \ud568)\uc740 \ucc28\ub2e8\uae30\uac00 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ub3c4\uccb4\uc5d0 \uc5bc\ub9c8\ub098 \ub9ce\uc740 \uc5f4 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uac00\ud558\ub294\uc9c0 \uc815\ud655\ud558\uac8c \uc815\ub7c9\ud654\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uace1\uc120\uc744 \uc774\ud574\ud558\uace0 \uc801\uc6a9\ud558\uba74 \uc804\uae30 \uc124\ube44\uc5d0\uc11c \ub3c4\uccb4 \uacfc\uc5f4, \uc808\uc5f0 \uc190\uc0c1 \ubc0f \uc7a0\uc7ac\uc801\uc778 \ud654\uc7ac \uc704\ud5d8\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ucd5c\uc2e0 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc740 \ube44\uc6a9 \ud6a8\uc728\uc131\uc744 \uc704\ud574 \uc810\uc810 \ub354 \uc791\uc740 \ub3c4\uccb4 \ub2e8\uba74\uc5d0 \uc758\uc874\ud558\uace0 \uc788\uc73c\uba70, \uc5f4 \ubcf4\ud638\uac00 \uadf8 \uc5b4\ub290 \ub54c\ubcf4\ub2e4 \uc911\uc694\ud574\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud45c\uc900 10mm\u00b2 PVC \ucf00\uc774\ube14\uc740 \uc808\uc5f0 \ud30c\uad34 \uc804\uc5d0 1.32\u00d710\u2076 A\u00b2s\ub9cc \uacac\ub51c \uc218 \uc788\uc9c0\ub9cc, \ube44\uc804\ub958 \uc81c\ud55c \ucc28\ub2e8\uae30\ub294 \ub192\uc740 \ud06c\uae30\uc758 \uace0\uc7a5 \ubc1c\uc0dd \uc2dc \uc774 \uc5d0\ub108\uc9c0\uc758 \uba87 \ubc30\ub97c \ud1b5\uacfc\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\uc804\ub958 \uc81c\ud55c \ucc28\ub2e8\uae30\uac00 \uc5f4 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc904\uc774\ub294 \ubc29\ubc95<\/h2>\n<h3>\uc804\ub958 \uc81c\ud55c\uc758 \ubb3c\ub9ac\ud559<\/h3>\n<p>\uc804\ub958 \uc81c\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30\ub294 \ud2b9\uc218 \uc544\ud06c \uc18c\ud638 \ucc54\ubc84\uc640 \uacb0\ud569\ub41c \ube60\ub978 \uc811\uc810 \ubd84\ub9ac\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uace0\uc7a5 \uc804\ub958\uac00 \ud750\ub974\uae30 \uc2dc\uc791\ud558\uba74 \ucc28\ub2e8\uae30\uc758 \uc811\uc810\uc774 2~5\ubc00\ub9ac\ucd08 \uc774\ub0b4\uc5d0 \uc5f4\ub9bd\ub2c8\ub2e4. \uc774\ub294 \uc885\uc885 \uace0\uc7a5 \uc804\ub958\uac00 \uccab \ubc88\uc9f8 \uc608\uc0c1 \ud53c\ud06c\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc785\ub2c8\ub2e4. \ucc28\ub2e8 \uc911\uc5d0 \uc0dd\uc131\ub41c \uc544\ud06c \uc804\uc555\uc740 \uc2dc\uc2a4\ud15c \uc804\uc555\uc5d0 \ubc18\ub300\ub418\uc5b4 \ud6a8\uacfc\uc801\uc73c\ub85c \uace0\uc7a5 \uacbd\ub85c\uc5d0 \uc784\ud53c\ub358\uc2a4\ub97c \uc0bd\uc785\ud558\uace0 \uc804\ub958 \ud30c\ud615\uc744 \u201c\ucc28\ub2e8\u201d\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uc804\ub958 \uc81c\ud55c \uc791\uc6a9\uc740 \uc81c\uc870\uc5c5\uccb4 \ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0 \ucea1\ucc98\ub41c \ub450 \uac00\uc9c0 \uce21\uc815 \uac00\ub2a5\ud55c \uc774\uc810\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \ud53c\ud06c \ud1b5\uacfc \uc804\ub958(Ip)\uc640 \ud1b5\uacfc \uc5d0\ub108\uc9c0(I\u00b2t)\uc785\ub2c8\ub2e4. \ud53c\ud06c \uc804\ub958\ub294 \ubd80\uc2a4\ubc14\uc758 \uae30\uacc4\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uacb0\uc815\ud558\ub294 \ubc18\uba74, I\u00b2t \uac12\uc740 \uace0\uc7a5 \uacbd\ub85c\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \ub3c4\uccb4\uc758 \uc5f4 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc81c\uc5b4\ud569\ub2c8\ub2e4.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-current-limiting-circuit-breaker-with-visible-arc-chute-chamber-for-thermal-energy-reduction.webp\" alt=\"VIOX current-limiting circuit breaker with visible arc-chute chamber for thermal energy reduction\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\uadf8\ub9bc 1: \uc5f4\uc5d0\ub108\uc9c0 \uac10\uc18c\ub97c \uc704\ud574 \uc124\uacc4\ub41c \uac00\uc2dc \uc544\ud06c \uc288\ud2b8 \ucc54\ubc84\uac00 \uc788\ub294 VIOX \uc804\ub958 \uc81c\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30.<\/figcaption><\/figure>\n<h3>\uc81c\ud55c\ub41c \uace0\uc7a5 \uc5d0\ub108\uc9c0\uc640 \ubb34\uc81c\ud55c \uace0\uc7a5 \uc5d0\ub108\uc9c0 \ube44\uad50<\/h3>\n<p>\uc11c\ub85c \ub2e4\ub978 \uc7a5\uce58\ub85c \ubcf4\ud638\ub418\ub294 \uc2dc\uc2a4\ud15c\uc5d0\uc11c 100kA \uc608\uc0c1 \ub2e8\ub77d\uc744 \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; margin: 20px 0; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"10\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\ubcf4\ud638 \uc7a5\uce58<\/th>\n<th>\uc18c\uac70 \uc2dc\uac04<\/th>\n<th>\ud53c\ud06c \uc804\ub958<\/th>\n<th>I\u00b2t \uac12<\/th>\n<th>\uc628\ub3c4 \uc0c1\uc2b9(100\u00d710mm \ubd80\uc2a4\ubc14)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ubcf4\ud638 \uc5c6\uc74c<\/td>\n<td>N\/A<\/td>\n<td>141 kA \ud53c\ud06c<\/td>\n<td>\uc7ac\uc559\uc801\uc778<\/td>\n<td>\uae30\ud654<\/td>\n<\/tr>\n<tr>\n<td>\ud45c\uc900 MCCB(\ub2e8\uc2dc\uac04 \uc9c0\uc5f0)<\/td>\n<td>500 ms<\/td>\n<td>100 kA RMS<\/td>\n<td>~5\u00d710\u2079 A\u00b2s<\/td>\n<td>&gt;500\u00b0C(\uace0\uc7a5)<\/td>\n<\/tr>\n<tr>\n<td>\uc804\ub958 \uc81c\ud55c MCCB(160A)<\/td>\n<td>8 ms<\/td>\n<td>42 kA \ud53c\ud06c<\/td>\n<td>0.48\u00d710\u2076 A\u00b2s<\/td>\n<td>71\u00b0C(\uc548\uc804)<\/td>\n<\/tr>\n<tr>\n<td>\uc804\ub958 \uc81c\ud55c \ud4e8\uc988(160A)<\/td>\n<td>4 ms<\/td>\n<td>38 kA \ud53c\ud06c<\/td>\n<td>0.35\u00d710\u2076 A\u00b2s<\/td>\n<td>70.5\u00b0C(\uc548\uc804)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uc774 \ube44\uad50\ub294 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\uac00 \ub192\uc740 \ucd5c\uc2e0 \uc124\ube44\uc5d0 \uc804\ub958 \uc81c\ud55c \ubcf4\ud638\uac00 \ud544\uc218\uc801\uc778 \uc774\uc720\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. I\u00b2t\uac00 3~4\ubc30 \uac10\uc18c\ud558\uba74 \uce58\uba85\uc801\uc778 \uc5f4 \uc774\ubca4\ud2b8\uac00 \uad00\ub9ac \uac00\ub2a5\ud55c \uc628\ub3c4 \ubcc0\ud654\ub85c \ubc14\ub01d\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>I\u00b2t \uace1\uc120 \uc77d\uae30: \ub2e8\uacc4\ubcc4 \uac00\uc774\ub4dc<\/h2>\n<h3>\uace1\uc120 \ud615\uc2dd \uc774\ud574<\/h3>\n<p>\uc81c\uc870\uc5c5\uccb4 \ub370\uc774\ud130 \uc2dc\ud2b8\ub294 \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958(X\ucd95)\uac00 \ud1b5\uacfc \uc5d0\ub108\uc9c0(Y\ucd95)\uc5d0 \ub300\ud574 \ud50c\ub86f\ub41c \ub85c\uadf8 \uc2a4\ucf00\uc77c\ub85c I\u00b2t \uace1\uc120\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc5ec\ub7ec \uace1\uc120\uc774 \ud558\ub098\uc758 \ucc28\ud2b8\uc5d0 \ub098\ud0c0\ub098 \uc81c\ud488\uad70 \ub0b4\uc5d0\uc11c \uc11c\ub85c \ub2e4\ub978 \ucc28\ub2e8\uae30 \ud504\ub808\uc784 \ud06c\uae30 \ub610\ub294 \uc815\uaca9\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Annotated-It-curve-diagram-showing-how-to-determine-let-through-energy-for-VIOX-circuit-breakers.webp\" alt=\"Annotated I\u00b2t curve diagram showing how to determine let-through energy for VIOX circuit breakers\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\uadf8\ub9bc 2: VIOX \ud68c\ub85c \ucc28\ub2e8\uae30\uc758 \ud1b5\uacfc \uc5d0\ub108\uc9c0\ub97c \uacb0\uc815\ud558\ub294 \ud504\ub85c\uc138\uc2a4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uc8fc\uc11d\uc774 \ub2ec\ub9b0 I\u00b2t \uace1\uc120 \ub2e4\uc774\uc5b4\uadf8\ub7a8.<\/figcaption><\/figure>\n<h3>I\u00b2t \uace1\uc120\uc744 \uc801\uc6a9\ud558\ub294 5\ub2e8\uacc4<\/h3>\n<p><strong>1\ub2e8\uacc4: \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958 \uacc4\uc0b0<\/strong><br \/>\nIEC 60909 \ub610\ub294 \uc774\uc640 \ub3d9\ub4f1\ud55c \ud45c\uc900\uc5d0 \ub530\ub978 \uc2dc\uc2a4\ud15c \uc784\ud53c\ub358\uc2a4 \uacc4\uc0b0\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc124\uce58 \uc9c0\uc810\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ucd5c\ub300 \uace0\uc7a5 \uc804\ub958\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774\ub294 \ucc28\ub2e8\uae30\uac00 \uc194\ub9ac\ub4dc \ub3c4\uccb4\ub85c \uad50\uccb4\ub41c \uacbd\uc6b0 \ud750\ub974\ub294 \uc804\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<p><strong>2\ub2e8\uacc4: X\ucd95\uc5d0\uc11c \uc804\ub958 \ucc3e\uae30<\/strong><br \/>\nI\u00b2t \uace1\uc120 \ucc28\ud2b8\uc758 \uac00\ub85c\ucd95\uc5d0\uc11c \uacc4\uc0b0\ub41c \uc608\uc0c1 \uc804\ub958 \uac12\uc744 \ucc3e\uc2b5\ub2c8\ub2e4. \uac12\uc774 \uadf8\ub9ac\ub4dc\uc120 \uc0ac\uc774\uc5d0 \uc788\ub294 \uacbd\uc6b0 \ub85c\uadf8 \ubc29\uc2dd\uc73c\ub85c \ubcf4\uac04\ud558\uac70\ub098 \ubcf4\uc218\uc801\uc778 \uacb0\uacfc\ub97c \uc704\ud574 \ub2e4\uc74c\uc73c\ub85c \ub192\uc740 \uac12\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>3\ub2e8\uacc4: \ucc28\ub2e8\uae30 \uace1\uc120\uae4c\uc9c0 \uc218\uc9c1\uc73c\ub85c \ucd94\uc801<\/strong><br \/>\n\uc804\ub958 \uac12\uc5d0\uc11c \uc704\ucabd\uc73c\ub85c \uac00\uc0c1\uc758 \uc218\uc9c1\uc120\uc744 \uadf8\ub824 \ud2b9\uc815 \ucc28\ub2e8\uae30 \uc815\uaca9\uc5d0 \ud574\ub2f9\ud558\ub294 \uace1\uc120\uacfc \uad50\ucc28\ud560 \ub54c\uae4c\uc9c0 \uadf8\ub9bd\ub2c8\ub2e4. \uc554\ud398\uc5b4 \uc815\uaca9\uc774 \ub2e4\ub974\uba74 \uace1\uc120\uc774 \ub2e4\ub974\ubbc0\ub85c \uc62c\ubc14\ub978 \uace1\uc120\uc744 \uc77d\uace0 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>4\ub2e8\uacc4: Y\ucd95\uc5d0\uc11c I\u00b2t \uac12 \uc77d\uae30<\/strong><br \/>\n\uad50\ucc28\uc810\uc5d0\uc11c \uc67c\ucabd Y\ucd95\uc73c\ub85c \uc218\ud3c9\uc73c\ub85c \ucd94\uc801\ud558\uc5ec \ud1b5\uacfc \uc5d0\ub108\uc9c0 \uac12\uc744 \uc77d\uc2b5\ub2c8\ub2e4. \ub2e8\uc704\ub97c \uc8fc\uc758 \uae4a\uac8c \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uac12\uc740 \uc77c\ubc18\uc801\uc73c\ub85c A\u00b2s \u00d7 10\u2076 \ub610\ub294 \uc720\uc0ac\ud55c \uacfc\ud559\uc801 \ud45c\uae30\ubc95\uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n<p><strong>5\ub2e8\uacc4: \ub3c4\uccb4 \ub0b4\uc131\uacfc \ube44\uad50<\/strong><br \/>\n\ucc28\ub2e8\uae30\uc758 I\u00b2t \uac12\uc774 \uacf5\uc2dd K\u00b2S\u00b2(\ub2e4\uc74c \uc139\uc158\uc5d0\uc11c \uc124\uba85)\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub3c4\uccb4\uc758 \ucd5c\ub300 \uc5f4 \ub0b4\uc131 \uc6a9\ub7c9\ubcf4\ub2e4 \uc791\uc740\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ud53c\ud574\uc57c \ud560 \uc77c\ubc18\uc801\uc778 \uc77d\uae30 \uc624\ub958<\/h3>\n<p>\uc5d4\uc9c0\ub2c8\uc5b4\ub294 I\u00b2t \uace1\uc120\uc744 \ud574\uc11d\ud560 \ub54c \uc138 \uac00\uc9c0 \uc911\uc694\ud55c \uc624\ub958\ub97c \uc790\uc8fc \ubc94\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>RMS \uac12\uacfc \ud53c\ud06c \uac12 \ud63c\ub3d9<\/strong>: X\ucd95\uc740 \ud53c\ud06c \ube44\ub300\uce6d \uc804\ub958\uac00 \uc544\ub2cc \uc608\uc0c1 RMS \ub300\uce6d \uc804\ub958\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ud53c\ud06c \uac12\uc744 \uc0ac\uc6a9\ud558\uba74 \uace1\uc120\uc5d0\uc11c \uc798\ubabb\ub41c \uc704\uce58\uc5d0 \ubc30\uce58\ub418\uc5b4 \uc77c\ubc18\uc801\uc73c\ub85c \uc9c0\ub098\uce58\uac8c \ub099\uad00\uc801\uc778 I\u00b2t \ud310\ub3c5\uac12\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\ucc28\ub2e8\uae30 \uc815\uaca9 \ubd88\uc77c\uce58<\/strong>: \uc81c\ud488\uad70\uc740 \uc885\uc885 \ud558\ub098\uc758 \ucc28\ud2b8\uc5d0 \uc5ec\ub7ec \uace1\uc120\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4. \uc124\uce58\ub41c \ucc28\ub2e8\uae30\uc758 \uc554\ud398\uc5b4 \uc815\uaca9 \ubc0f \ucc28\ub2e8 \uc6a9\ub7c9\uacfc \uc77c\uce58\ud558\ub294 \uace1\uc120\uc744 \uc77d\uace0 \uc788\ub294\uc9c0 \ud56d\uc0c1 \ud655\uc778\ud558\uc2ed\uc2dc\uc624(\uc608: \u201cC\u201d \uace1\uc120 10kA \ucc28\ub2e8\uae30\ub294 \ub3d9\uc77c\ud55c \uc554\ud398\uc5b4\uc758 \u201cN\u201d \uace1\uc120 36kA \ucc28\ub2e8\uae30\uc640 \ub2e4\ub985\ub2c8\ub2e4).<\/p>\n<p><strong>\ub85c\uadf8 \uc2a4\ucf00\uc77c\ub9c1 \ubb34\uc2dc<\/strong>: \ub450 \ucd95 \ubaa8\ub450 \ub85c\uadf8 \uc2a4\ucf00\uc77c\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ucc28\ud2b8\uc5d0\uc11c \uc791\uc740 \uc2dc\uac01\uc801 \uac70\ub9ac\ub294 \ud070 \uc22b\uc790 \ubcc0\ud654\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc2dc\uac01\uc801\uc73c\ub85c \ucd94\uc815\ud558\uae30\ubcf4\ub2e4\ub294 \ud56d\uc0c1 \ucd95 \ub808\uc774\ube14\uc5d0\uc11c \uac12\uc744 \uc8fc\uc758 \uae4a\uac8c \uc77d\uc73c\uc2ed\uc2dc\uc624.<\/p>\n<hr \/>\n<h2>\ub3c4\uccb4 \uc5f4 \ub0b4\uc131 \uc6a9\ub7c9 \uacc4\uc0b0<\/h2>\n<h3>K\u00b2S\u00b2 \uacf5\uc2dd \uc124\uba85<\/h3>\n<p>\ubaa8\ub4e0 \ub3c4\uccb4\ub294 \uc808\uc5f0 \uc190\uc0c1\uc774 \ubc1c\uc0dd\ud558\uae30 \uc804\uc5d0 \ud761\uc218\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uc5f4\uc5d0\ub108\uc9c0\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc81c\ud55c\uc740 \ub2e8\uc5f4 \ubc29\uc815\uc2dd\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4.<\/p>\n<p><strong>I\u00b2t \u2264 K\u00b2S\u00b2<\/strong><\/p>\n<p>Where:<\/p>\n<ul>\n<li><strong>I\u00b2t<\/strong> = \ubcf4\ud638 \uc7a5\uce58\uc758 \ud1b5\uacfc \uc5d0\ub108\uc9c0(A\u00b2s)<\/li>\n<li><strong>K<\/strong> = \uc7ac\ub8cc \ubc0f \uc808\uc5f0 \uc0c1\uc218(A\u00b7s\u00bd\/mm\u00b2)<\/li>\n<li><strong>S<\/strong> = \ub3c4\uccb4 \ub2e8\uba74\uc801 (mm\u00b2)<\/li>\n<\/ul>\n<p>\uc0c1\uc218 K\ub294 \ub3c4\uccb4 \uc7ac\ub8cc(\uad6c\ub9ac \ub610\ub294 \uc54c\ub8e8\ubbf8\ub284), \uc808\uc5f0 \uc720\ud615(PVC, XLPE, EPR), \ucd08\uae30 \uc628\ub3c4(\uc77c\ubc18\uc801\uc73c\ub85c \uc5f0\uc18d \uc791\ub3d9\uc758 \uacbd\uc6b0 70\u00b0C) \ubc0f \ucd5c\uc885 \ud5c8\uc6a9 \uc628\ub3c4(PVC\uc758 \uacbd\uc6b0 160\u00b0C, XLPE\uc758 \uacbd\uc6b0 250\u00b0C)\ub97c \uace0\ub824\ud569\ub2c8\ub2e4. IEC 60364-5-54\ub294 \ud45c\uc900\ud654\ub41c K \uac12\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Cable-cross-section-diagram-illustrating-thermal-withstand-capacity-calculation-parameters.webp\" alt=\"Cable cross-section diagram illustrating thermal withstand capacity calculation parameters\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\uadf8\ub9bc 3: \uc5f4 \ub0b4\uc131 \uc6a9\ub7c9 \uacc4\uc0b0 \ub9e4\uac1c\ubcc0\uc218\ub97c \ubcf4\uc5ec\uc8fc\ub294 \ucf00\uc774\ube14 \ub2e8\uba74 \ub2e4\uc774\uc5b4\uadf8\ub7a8.<\/figcaption><\/figure>\n<h3>\uc77c\ubc18\uc801\uc778 \ub3c4\uccb4\uc5d0 \ub300\ud55c \ud45c\uc900 K \uac12<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin: 20px 0; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"10\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\ub3c4\uccb4 \uc7ac\ub8cc<\/th>\n<th>\uc808\uc5f0 \uc720\ud615<\/th>\n<th>\ucd08\uae30 \uc628\ub3c4<\/th>\n<th>\ucd5c\uc885 \uc628\ub3c4<\/th>\n<th>K \uac12 (A\u00b7s\u00bd\/mm\u00b2)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uad6c\ub9ac<\/td>\n<td>PVC<\/td>\n<td>70\u00b0C<\/td>\n<td>160\u00b0C<\/td>\n<td>115<\/td>\n<\/tr>\n<tr>\n<td>\uad6c\ub9ac<\/td>\n<td>XLPE\/EPR<\/td>\n<td>90\u00b0C<\/td>\n<td>250\u00b0C<\/td>\n<td>143<\/td>\n<\/tr>\n<tr>\n<td>\uad6c\ub9ac<\/td>\n<td>\ubbf8\ub124\ub784 (PVC)<\/td>\n<td>70\u00b0C<\/td>\n<td>160\u00b0C<\/td>\n<td>115<\/td>\n<\/tr>\n<tr>\n<td>\uc54c\ub8e8\ubbf8\ub284<\/td>\n<td>PVC<\/td>\n<td>70\u00b0C<\/td>\n<td>160\u00b0C<\/td>\n<td>76<\/td>\n<\/tr>\n<tr>\n<td>\uc54c\ub8e8\ubbf8\ub284<\/td>\n<td>XLPE\/EPR<\/td>\n<td>90\u00b0C<\/td>\n<td>250\u00b0C<\/td>\n<td>94<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\uc2e4\uc81c \uacc4\uc0b0 \uc608\uc2dc<\/h3>\n<p><strong>\uc2dc\ub098\ub9ac\uc624<\/strong>: \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958\uac00 25kA\uc778 \uacbd\uc6b0, PVC \uc808\uc5f0\ub41c 10mm\u00b2 \uad6c\ub9ac \ub3c4\uccb4\ub97c VIOX NSX160F \ucc28\ub2e8\uae30(\ucc28\ub2e8 \uc6a9\ub7c9 36kA)\uac00 \uc801\uc808\ud558\uac8c \ubcf4\ud638\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>1\ub2e8\uacc4<\/strong>: \uc81c\uc870\uc5c5\uccb4 \uace1\uc120\uc5d0\uc11c \ucc28\ub2e8\uae30 I\u00b2t \ucc3e\uae30<\/p>\n<ul>\n<li>\uc608\uc0c1 \uc804\ub958: 25 kA<\/li>\n<li>VIOX NSX160F \ub370\uc774\ud130\uc2dc\ud2b8 \uace1\uc120\uc5d0\uc11c: I\u00b2t = 6\u00d710\u2075 A\u00b2s<\/li>\n<\/ul>\n<p><strong>2\ub2e8\uacc4<\/strong>: \ucf00\uc774\ube14 \uc5f4 \ub0b4\uc131 \uacc4\uc0b0<\/p>\n<ul>\n<li>K = 115 (\uc704 \ud45c\uc5d0\uc11c \uad6c\ub9ac PVC)<\/li>\n<li>S = 10 mm\u00b2<\/li>\n<li>K\u00b2S\u00b2 = 115\u00b2 \u00d7 10\u00b2 = 1.32\u00d710\u2076 A\u00b2s<\/li>\n<\/ul>\n<p><strong>3\ub2e8\uacc4<\/strong>: \ubcf4\ud638 \ud655\uc778<\/p>\n<ul>\n<li>\ucc28\ub2e8\uae30 I\u00b2t (6\u00d710\u2075) &lt; \ucf00\uc774\ube14 K\u00b2S\u00b2 (1.32\u00d710\u2076) \u2713<\/li>\n<li>\uc548\uc804 \uc5ec\uc720: (1.32 \u2013 0.6) \/ 1.32 = 54.51%<\/li>\n<\/ul>\n<p><strong>\uacb0\ub860<\/strong>: \ucf00\uc774\ube14\uc740 \uc0c1\ub2f9\ud55c \uc548\uc804 \uc5ec\uc720\ub97c \uac00\uc9c0\uace0 \uc801\uc808\ud558\uac8c \ubcf4\ud638\ub429\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>I\u00b2t\ub97c \uc0ac\uc6a9\ud55c \ubd80\uc2a4\ubc14 \uc5f4 \uac80\uc99d<\/h2>\n<h3>\ubd80\uc2a4\ubc14\uc5d0 \ud2b9\ubcc4\ud55c \uace0\ub824\uac00 \ud544\uc694\ud55c \uc774\uc720<\/h3>\n<p>\ubc30\uc804\ubc18 \ubc0f \uac1c\ud3d0 \uc7a5\uce58\uc758 \ubd80\uc2a4\ubc14\ub294 \uace0\uc7a5 \uc2dc \ucf00\uc774\ube14\uacfc \ub3d9\uc77c\ud55c \uc5f4 \uc751\ub825\uc744 \ubc1b\uc9c0\ub9cc, \uac80\uc99d \ud504\ub85c\uc138\uc2a4\ub294 \uae30\ud558\ud559\uc801 \uad6c\uc870 \ubc0f \uc124\uce58 \uc870\uac74\uc73c\ub85c \uc778\ud574 \uc57d\uac04 \ub2e4\ub985\ub2c8\ub2e4. \uad6c\ub9ac \ub610\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubc14\ub294 \uc5f4\uc804\ub3c4\uc728\uc774 \uc6b0\uc218\ud558\uc9c0\ub9cc, \ubc00\ud3d0\ub41c \ud328\ub110 \ub0b4\uc758 \ucf64\ud329\ud2b8\ud55c \ubc30\uc5f4\uc740 \uc9e7\uc740 \uace0\uc7a5 \uc9c0\uc18d \uc2dc\uac04 \ub3d9\uc548 \uc5f4 \ubc29\uc0b0\uc744 \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub3d9\uc77c\ud55c I\u00b2t \uc6d0\ub9ac\uac00 \uc801\uc6a9\ub418\uc9c0\ub9cc, \uc5d4\uc9c0\ub2c8\uc5b4\ub294 AC \ud45c\ud53c \ud6a8\uacfc \uacc4\uc218(Kf)\uc640 \uc815\ud655\ud55c \ub3c4\uccb4 \uce58\uc218\ub97c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc9c1\uc0ac\uac01\ud615 \uad6c\ub9ac \ubd80\uc2a4\ubc14\uc758 \uacbd\uc6b0, \uc5f4 \ub0b4\uc131 \uacc4\uc0b0\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\u03b8k = \u03b80 + (I\u00b2t \u00d7 Kf \u00d7 \u03c10) \/ (A\u00b2 \u00d7 c \u00d7 \u03b3 \u00d7 (1 + \u03b10 \u00d7 \u03b80))<\/strong><\/p>\n<p>Where:<\/p>\n<ul>\n<li>\u03b8k = \ucd5c\uc885 \uc628\ub3c4 (\u00b0C)<\/li>\n<li>\u03b80 = \ucd08\uae30 \uc628\ub3c4 (\uc77c\ubc18\uc801\uc73c\ub85c \uc5f0\uc18d \uc791\ub3d9\uc758 \uacbd\uc6b0 70\u00b0C)<\/li>\n<li>I\u00b2t = \ud1b5\uacfc \uc5d0\ub108\uc9c0 (A\u00b2s)<\/li>\n<li>Kf = AC \ucd94\uac00 \uc190\uc2e4 \uacc4\uc218 (\uc77c\ubc18\uc801\uc73c\ub85c \uc8fc\ud30c\uc218 \ubc0f \ubc14 \uce58\uc218\uc5d0 \ub530\ub77c 1.0-1.5)<\/li>\n<li>\u03c10 = 0\u00b0C\uc5d0\uc11c\uc758 \uc800\ud56d\ub960 (\uad6c\ub9ac\uc758 \uacbd\uc6b0 1.65\u00d710\u207b\u2078 \u03a9\u00b7m)<\/li>\n<li>A = \ub2e8\uba74\uc801 (m\u00b2)<\/li>\n<li>c = \ube44\uc5f4 \uc6a9\ub7c9 (\uad6c\ub9ac\uc758 \uacbd\uc6b0 395 J\/(kg\u00b7K))<\/li>\n<li>\u03b3 = \ubc00\ub3c4 (\uad6c\ub9ac\uc758 \uacbd\uc6b0 8900 kg\/m\u00b3)<\/li>\n<li>\u03b10 = \uc628\ub3c4 \uacc4\uc218 (\uad6c\ub9ac\uc758 \uacbd\uc6b0 1\/235 K\u207b\u00b9)<\/li>\n<\/ul>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-electrical-distribution-panel-showing-copper-busbars-requiring-thermal-stress-verification.webp\" alt=\"VIOX electrical distribution panel showing copper busbars requiring thermal stress verification\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\uadf8\ub9bc 4: \uc5f4 \uc751\ub825 \uac80\uc99d\uc774 \ud544\uc694\ud55c \uad6c\ub9ac \ubd80\uc2a4\ubc14\ub97c \ubcf4\uc5ec\uc8fc\ub294 VIOX \ubc30\uc804\ubc18.<\/figcaption><\/figure>\n<h3>\uc608\uc81c: \ubd80\uc2a4\ubc14 \uc628\ub3c4 \uc0c1\uc2b9<\/h3>\n<p><strong>\uc8fc\uc5b4\uc9c4 \uc870\uac74<\/strong>: 100\u00d710mm \uad6c\ub9ac \ubd80\uc2a4\ubc14, \ucd08\uae30 \uc628\ub3c4 70\u00b0C, 160A \uc804\ub958 \uc81c\ud55c \ucc28\ub2e8\uae30\ub85c \ubcf4\ud638, \uc608\uc0c1 \uace0\uc7a5 100kA.<\/p>\n<p><strong>1\ub2e8\uacc4<\/strong>: \ucc28\ub2e8\uae30 I\u00b2t \ud68d\ub4dd<\/p>\n<ul>\n<li>\uc81c\uc870\uc5c5\uccb4 \uace1\uc120\uc5d0\uc11c: I\u00b2t = 0.48\u00d710\u2076 A\u00b2s<\/li>\n<\/ul>\n<p><strong>2\ub2e8\uacc4<\/strong>: \ucd5c\uc885 \uc628\ub3c4 \uacc4\uc0b0<\/p>\n<ul>\n<li>A = 100mm \u00d7 10mm = 1000mm\u00b2 = 1\u00d710\u207b\u00b3 m\u00b2<\/li>\n<li>Kf = 1.0 (\uc774 \uae30\ud558\ud559\uc801 \uad6c\uc870\uc5d0 \ub300\ud574 \ubcf4\uc218\uc801)<\/li>\n<li>\uc704\uc758 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec:<\/li>\n<\/ul>\n<p>\u03b8k = 70 + (0.48\u00d710\u2076 \u00d7 1.0 \u00d7 1.65\u00d710\u207b\u2078) \/ ((1\u00d710\u207b\u00b3)\u00b2 \u00d7 395 \u00d7 8900 \u00d7 (1 + 1\/235 \u00d7 70))<\/p>\n<p>\u03b8k \u2248 70.8\u00b0C<\/p>\n<p><strong>\uacb0\uacfc<\/strong>: \uc628\ub3c4 \uc0c1\uc2b9\uc740 1\u00b0C \ubbf8\ub9cc\uc73c\ub85c, \uc804\ub958 \uc81c\ud55c \ubcf4\ud638\uc758 \ud6a8\uacfc\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc804\ub958 \uc81c\ud55c\uc774 \uc5c6\uc73c\uba74 \ub3d9\uc77c\ud55c 100kA \uace0\uc7a5\uc774 500ms \ub3d9\uc548 \uc9c0\uc18d\ub418\uba74 \ubd80\uc2a4\ubc14 \uc628\ub3c4\uac00 \uc57d 95\u00b0C\uae4c\uc9c0 \uc0c1\uc2b9\ud558\uc5ec \uc5ec\uc804\ud788 \uc81c\ud55c \ubc94\uc704 \ub0b4\uc5d0 \uc788\uc9c0\ub9cc \uc548\uc804 \uc5ec\uc720\uac00 \ud06c\uac8c \uc904\uc5b4\ub4ed\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \uadf9\uc801\uc778 \ucc28\uc774\ub294 \uc804\ub958 \uc81c\ud55c \ucc28\ub2e8\uae30\uac00 \uc548\uc804 \ud45c\uc900\uc744 \uc720\uc9c0\ud558\uba74\uc11c \ud604\ub300\uc2dd \uac1c\ud3d0 \uc7a5\uce58 \uc124\uacc4\uc5d0\uc11c \ub354 \uc791\uace0 \uacbd\uc81c\uc801\uc778 \ubd80\uc2a4\ubc14\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uac8c \ud558\ub294 \uc774\uc720\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\ud45c\uc900 \ubc0f \uaddc\uc815 \uc900\uc218 \uc694\uad6c \uc0ac\ud56d<\/h2>\n<h3>IEC 60947-2: \uae30\ubcf8 \ud45c\uc900<\/h3>\n<p>IEC 60947-2\ub294 \uc800\uc804\uc555 \ud68c\ub85c \ucc28\ub2e8\uae30\ub97c \uaddc\uc815\ud558\uace0 \uc81c\uc870\uc5c5\uccb4\uac00 \uc804\ub958 \uc81c\ud55c \uc7a5\uce58\uc5d0 \ub300\ud55c I\u00b2t \uace1\uc120\uc744 \uc81c\uacf5\ud558\ub3c4\ub85d \uc758\ubb34\ud654\ud569\ub2c8\ub2e4. \uc774 \ud45c\uc900\uc740 \ub2e4\uc74c\uc744 \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud14c\uc2a4\ud2b8 \uc870\uac74<\/strong> \ud1b5\uacfc \uac12 \uacb0\uc815\uc744 \uc704\ud574<\/li>\n<li><strong>\uace1\uc120 \uc815\ud655\ub3c4 \uc694\uad6c \uc0ac\ud56d<\/strong> (\uc77c\ubc18\uc801\uc73c\ub85c \u00b110% \ud5c8\uc6a9 \uc624\ucc28)<\/li>\n<li><strong>\uc8fc\ubcc0 \uc628\ub3c4<\/strong> \uac00\uc815 (\uc0b0\uc5c5\uc6a9 \ucc28\ub2e8\uae30\uc758 \uacbd\uc6b0 40\u00b0C)<\/li>\n<li><strong>\uc870\uc815 \uc694\uad6c \uc0ac\ud56d<\/strong> \uc5c5\uc2a4\ud2b8\ub9bc \ubc0f \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\uce58 \uac04<\/li>\n<\/ul>\n<p>\ucc28\ub2e8\uae30\ub294 \ucd5c\uc18c \ub2e8\ub77d \uc804\ub958\uc5d0\uc11c \uc815\uaca9 \ub2e8\ub77d \uc804\ub958\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \uc804\uccb4 \ucc28\ub2e8 \uc6a9\ub7c9 \ubc94\uc704\uc5d0\uc11c \uc77c\uad00\ub41c I\u00b2t \uc131\ub2a5\uc744 \uc785\uc99d\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc9c0\uc5ed \ud45c\uc900 \ubcc0\ud615<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin: 20px 0; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"10\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\uc9c0\uc5ed<\/th>\n<th>\uae30\ubcf8 \ud45c\uc900<\/th>\n<th>\uc8fc\uc694 \ucc28\uc774\uc810<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc720\ub7fd<\/td>\n<td>IEC 60947-2<\/td>\n<td>\ub370\uc774\ud130\uc2dc\ud2b8\uc5d0 \uc9c1\uc811 I\u00b2t \uace1\uc120 \ud544\uc694<\/td>\n<\/tr>\n<tr>\n<td>\ubd81\ubbf8<\/td>\n<td>UL 489<\/td>\n<td>\ud1b5\uacfc \ucc28\ud2b8\ub294 \uc120\ud0dd \uc0ac\ud56d; \uc870\uc815 \ud14c\uc774\ube14\uc774 \ub354 \uc77c\ubc18\uc801\uc784<\/td>\n<\/tr>\n<tr>\n<td>\uc911\uad6d<\/td>\n<td>GB 14048.2<\/td>\n<td>IEC 60947-2\ub97c \uae30\ubc18\uc73c\ub85c \uc57d\uac04 \uc218\uc815\ub428<\/td>\n<\/tr>\n<tr>\n<td>\ud638\uc8fc<\/td>\n<td>AS\/NZS 60947.2<\/td>\n<td>\ud604\uc9c0 \uc124\uce58 \uc694\uad6c \uc0ac\ud56d\uc744 \uc900\uc218\ud558\ub294 IEC\uc640 \ub3d9\uc77c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\ucf00\uc774\ube14 \ud45c\uc900 \ud1b5\ud569<\/h3>\n<p>\ub3c4\uccb4 \uc5f4 \ub0b4\uc131 \uac12(K \uacc4\uc218)\uc740 \ubcf4\uc644 \ud45c\uc900\uc5d0\uc11c \uac00\uc838\uc634:<\/p>\n<ul>\n<li><strong>IEC 60364-5-54<\/strong>: \uace0\uc815 \uc124\ube44\uc5d0 \ub300\ud55c \uc124\uce58 \uc694\uad6c \uc0ac\ud56d \ubc0f K \uac12<\/li>\n<li><strong>IEC 60502<\/strong>: \uc555\ucd9c \uc808\uc5f0 \uc804\ub825 \ucf00\uc774\ube14<\/li>\n<li><strong>BS 7671<\/strong>: \uc601\uad6d \ubc30\uc120 \uaddc\uc815(IEC\uc640 \uc870\ud654\ub428)<\/li>\n<\/ul>\n<p>\uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc644\uc804\ud55c \uaddc\uc815 \uc900\uc218\ub97c \uc704\ud574 \ubcf4\ud638 \uc7a5\uce58(IEC 60947-2\uc5d0 \ub530\ub984)\uc640 \ub3c4\uccb4 \ud06c\uae30(IEC 60364-5-54\uc5d0 \ub530\ub984)\uac00 \ud568\uaed8 \uac80\uc99d\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\uc2e4\uc81c \uc801\uc6a9: \ud328\ub110 \uc124\uacc4 \uc6cc\ud06c\ud50c\ub85c<\/h2>\n<h3>\uc2e0\uaddc \uc124\uce58\ub97c \uc704\ud55c \uc120\ud0dd \ud504\ub85c\uc138\uc2a4<\/h3>\n<p>\uc804\uae30 \ubd84\uc804\ubc18\uc744 \uc124\uacc4\ud560 \ub54c \uc801\uc808\ud55c \uc5f4 \ubcf4\ud638\ub97c \uc704\ud574 \ub2e4\uc74c \uccb4\uacc4\uc801\uc778 \uc6cc\ud06c\ud50c\ub85c\ub97c \ub530\ub974\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>1\ub2e8\uacc4: \uc2dc\uc2a4\ud15c \ubd84\uc11d<\/strong><\/p>\n<ol>\n<li>\uc2dc\uc2a4\ud15c \uc784\ud53c\ub358\uc2a4 \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac01 \ubc30\uc804 \uc9c0\uc810\uc5d0\uc11c \ucd5c\ub300 \uc608\uc0c1 \ub2e8\ub77d \uc804\ub958\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc124\uce58 \uc2dc \ubaa8\ub4e0 \ub3c4\uccb4 \uc720\ud615, \ud06c\uae30 \ubc0f \uc808\uc5f0 \uc7ac\ub8cc\ub97c \uc2dd\ubcc4\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc8fc\ubcc0 \uc628\ub3c4 \uc870\uac74 \ubc0f \ubaa8\ub4e0 \uacbd\uac10 \uacc4\uc218\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p><strong>2\ub2e8\uacc4: \ubcf4\ud638 \uc7a5\uce58 \uc120\ud0dd<\/strong><\/p>\n<ol>\n<li>\ubd80\ud558 \uc804\ub958 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \ud68c\ub85c \ucc28\ub2e8\uae30 \uc815\uaca9\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n<li>\ucc28\ub2e8 \uc6a9\ub7c9\uc774 \uc608\uc0c1 \uace0\uc7a5 \uc804\ub958\ub97c \ucd08\uacfc\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li>\uace0\uc7a5 \uc218\uc900\uc774 \ub192\uac70\ub098(&gt;10kA) \ub3c4\uccb4\uac00 \uc791\uc740 \uacbd\uc6b0(&lt;16mm\u00b2) \uc804\ub958 \uc81c\ud55c \uc720\ud615 \ucc28\ub2e8\uae30\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p><strong>3\ub2e8\uacc4: \uc5f4 \uac80\uc99d<\/strong><\/p>\n<ol>\n<li>\uc120\ud0dd\ud55c \uc7a5\uce58\uc5d0 \ub300\ud55c \ucc28\ub2e8\uae30 \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c I\u00b2t \uace1\uc120\uc744 \uc5bb\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uac01 \ud68c\ub85c\uc5d0 \ub300\ud55c \ub3c4\uccb4 \uc5f4 \ub0b4\uc131 \uc6a9\ub7c9(K\u00b2S\u00b2)\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc608\uc0c1 \uace0\uc7a5 \uc804\ub958\uc5d0 \ub300\ud574 \ucc28\ub2e8\uae30 I\u00b2t &lt; \ub3c4\uccb4 K\u00b2S\u00b2\uc778\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc548\uc804 \uc5ec\uc720\ub97c \ubb38\uc11c\ud654\ud569\ub2c8\ub2e4(\ucd5c\uc18c 20% \uad8c\uc7a5).<\/li>\n<\/ol>\n<p><strong>4\ub2e8\uacc4: \uc870\uc815 \ud655\uc778<\/strong><\/p>\n<ol>\n<li>\uc5c5\uc2a4\ud2b8\ub9bc \ubc0f \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ubcf4\ud638 \uc7a5\uce58 \uac04\uc758 \uc120\ud0dd\uc131\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li>\ubc31\uc5c5 \ubcf4\ud638 I\u00b2t \uac12\uc774 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ub3c4\uccb4 \uc81c\ud55c\uc744 \ucd08\uacfc\ud558\uc9c0 \uc54a\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc7a5\uce58 \uc870\ud569\uc5d0 \ub300\ud55c \uc81c\uc870\uc5c5\uccb4 \uc870\uc815 \ud45c\ub97c \uac80\ud1a0\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Circuit-breaker-thermal-protection-verification-flowchart-for-electrical-panel-design.webp\" alt=\"Circuit breaker thermal protection verification flowchart for electrical panel design\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\uadf8\ub9bc 5: \uc804\uae30 \ud328\ub110 \uc124\uacc4\ub97c \uc704\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30 \uc5f4 \ubcf4\ud638 \uac80\uc99d \ud750\ub984\ub3c4.<\/figcaption><\/figure>\n<h3>\uac1c\uc870 \ubc0f \uc5c5\uadf8\ub808\uc774\ub4dc \uc2dc\ub098\ub9ac\uc624<\/h3>\n<p>\uae30\uc874 \uc124\uce58\ub294 \uc720\ud2f8\ub9ac\ud2f0 \uc5c5\uadf8\ub808\uc774\ub4dc\ub85c \uc778\ud574 \ubd80\ud558\uac00 \uc99d\uac00\ud558\uac70\ub098 \uace0\uc7a5 \uc218\uc900\uc774 \ubcc0\uacbd\ub420 \ub54c \ud3c9\uac00\uac00 \ud544\uc694\ud55c \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. I\u00b2t \uac80\uc99d \ud504\ub85c\uc138\uc2a4\uac00 \uc911\uc694\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n<p><strong>\uc2dc\ub098\ub9ac\uc624<\/strong>: \uc2dc\uc124\uc5d0\uc11c \uc0c8 \ubcc0\uc555\uae30\ub97c \ucd94\uac00\ud558\uc5ec \uc8fc \ubc30\uc804\ubc18\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\uac00 15kA\uc5d0\uc11c 35kA\ub85c \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\ud544\uc694\ud55c \ubd84\uc11d<\/strong>:<\/p>\n<ol>\n<li>\uc0c8 \uace0\uc7a5 \uc218\uc900(35kA)\uc5d0\uc11c \uae30\uc874 \ucc28\ub2e8\uae30 I\u00b2t \uace1\uc120\uc744 \uac80\ud1a0\ud569\ub2c8\ub2e4.<\/li>\n<li>\ubaa8\ub4e0 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ub3c4\uccb4 \uc5f4 \ub0b4\uc131\uc744 \ub2e4\uc2dc \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li>\uae30\uc874 \ubd80\uc2a4\ubc14\uac00 \uc5ec\uc804\ud788 \uc801\uc808\ud55c\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li>\ud45c\uc900 \ucc28\ub2e8\uae30\uac00 \uc774\uc81c \ub3c4\uccb4 I\u00b2t \uc81c\ud55c\uc744 \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0 \uc804\ub958 \uc81c\ud55c \ucc28\ub2e8\uae30\uc758 \ud544\uc694\uc131\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc774 \ubd84\uc11d\uc744 \ud1b5\ud574 \uae30\uc874 \ud45c\uc900 \ucc28\ub2e8\uae30\ub294 \uc801\uc808\ud55c \ucc28\ub2e8 \uc6a9\ub7c9\uc744 \uac16\uc9c0\ub9cc \ub354 \ub192\uc740 \uace0\uc7a5 \uc218\uc900\uc5d0\uc11c \uacfc\ub3c4\ud55c I\u00b2t\ub97c \ud5c8\uc6a9\ud55c\ub2e4\ub294 \uc0ac\uc2e4\uc774 \uc790\uc8fc \ubc1d\ud600\uc9d1\ub2c8\ub2e4. \uc804\ub958 \uc81c\ud55c \ucc28\ub2e8\uae30\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\uba74 \ud06c\uae30\uac00 \uc791\uc740 \ubaa8\ub4e0 \ub3c4\uccb4\ub97c \uad50\uccb4\ud558\ub294 \uac83\ubcf4\ub2e4 \uac00\uc7a5 \uacbd\uc81c\uc801\uc778 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\uc77c\ubc18\uc801\uc778 \uc124\uacc4 \uc2e4\uc218 \ubc0f \ubc29\uc9c0 \ubc29\ubc95<\/h2>\n<h3>\uc2e4\uc218 1: \ubaa8\ub4e0 \ucc28\ub2e8\uae30\uac00 \uc804\ub958 \uc81c\ud55c\uc774\ub77c\uace0 \uac00\uc815<\/h3>\n<p><strong>\ubb38\uc81c<\/strong>: \ubaa8\ub4e0 \ud68c\ub85c \ucc28\ub2e8\uae30\uac00 \uc0c1\ub2f9\ud55c \uc804\ub958 \uc81c\ud55c\uc744 \uc81c\uacf5\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ud45c\uc900 \uc5f4 \uc790\uae30 \ucc28\ub2e8\uae30, \ud2b9\ud788 \ub354 \ud070 \ud504\ub808\uc784 \ud06c\uae30(&gt;630A)\ub294 \uc804\ub958 \uc81c\ud55c \ud6a8\uacfc\uac00 \ucd5c\uc18c\uc778 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. I\u00b2t \uace1\uc120\uc740 \ubb34\uc81c\ud55c \uace0\uc7a5 \uc5d0\ub108\uc9c0\ubcf4\ub2e4 \uc57d\uac04 \ub0ae\uc740 \uac12\ub9cc \ud45c\uc2dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158<\/strong>: \ud56d\uc0c1 \ucc28\ub2e8\uae30 \uc720\ud615\uc744 \ud655\uc778\ud558\uace0 \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c \uc2e4\uc81c I\u00b2t \uace1\uc120\uc744 \uc5bb\uc73c\uc2ed\uc2dc\uc624. \ucc28\ub2e8 \uc6a9\ub7c9\ub9cc\uc73c\ub85c \uc804\ub958 \uc81c\ud55c\uc744 \uac00\uc815\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc804\ub958 \uc81c\ud55c \uc131\ub2a5\uc740 \ub192\uc740 \ucc28\ub2e8 \uc6a9\ub7c9\uc758 \uc790\ub3d9 \ud2b9\uc131\uc774 \uc544\ub2c8\ub77c \ud2b9\uc815 \uc124\uacc4 \uae30\ub2a5\uc785\ub2c8\ub2e4.<\/p>\n<h3>\uc2e4\uc218 2: RMS \ub300\uc2e0 \ud53c\ud06c \uc804\ub958 \uc0ac\uc6a9<\/h3>\n<p><strong>\ubb38\uc81c<\/strong>: \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ub54c\ub54c\ub85c \uc81c\ud55c \uace1\uc120\uc5d0 \ud45c\uc2dc\ub41c \ud53c\ud06c \ud1b5\uacfc \uc804\ub958(Ip)\ub97c I\u00b2t \uacc4\uc0b0\uc5d0 \ud544\uc694\ud55c RMS \uc804\ub958 \uac12\uacfc \ud63c\ub3d9\ud569\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 40% \uc774\uc0c1\uc758 \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158<\/strong>: I\u00b2t \uace1\uc120\uc740 \ud56d\uc0c1 X\ucd95\uc5d0 RMS \ub300\uce6d \uc608\uc0c1 \uc804\ub958\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud53c\ud06c \ube44\ub300\uce6d \uc804\ub958\ub97c \uacc4\uc0b0\ud55c \uacbd\uc6b0 \u221a2 \u00d7 \u03ba(\uc5ec\uae30\uc11c \u03ba\ub294 \ud53c\ud06c \uacc4\uc218\uc774\uba70 \uc77c\ubc18\uc801\uc73c\ub85c 1.8-2.0\uc784)\ub85c \ub098\ub204\uc5b4 \uace1\uc120 \ud310\ub3c5\uc744 \uc704\ud55c RMS \uac12\uc744 \uc5bb\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc2e4\uc218 3: \ubcd1\ub82c \ub3c4\uccb4 \ubb34\uc2dc<\/h3>\n<p><strong>\ubb38\uc81c<\/strong>: \uc0c1\ub2f9 \uc5ec\ub7ec \ub3c4\uccb4\uac00 \uc0c1\ubcc4\ub85c \ubcd1\ub82c\ub85c \uc5f0\uacb0\ub41c \uacbd\uc6b0(\ub300\uaddc\ubaa8 \uc124\uce58\uc5d0\uc11c \uc77c\ubc18\uc801\uc784) \uc77c\ubd80 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 K\u00b2S\u00b2 \uac12\uc744 \ub3c4\uccb4 \uc218\ub85c \uc798\ubabb \uacf1\ud569\ub2c8\ub2e4. \uace0\uc7a5 \uc804\ub958\uac00 \ubcd1\ub82c \uacbd\ub85c\ub85c \ubd84\ud560\ub418\uc9c0\ub9cc I\u00b2t \uc5d0\ub108\uc9c0\ub294 \uac01 \ub3c4\uccb4\uc5d0 \uac1c\ubcc4\uc801\uc73c\ub85c \uc601\ud5a5\uc744 \ubbf8\uce58\uae30 \ub54c\ubb38\uc5d0 \uc774\ub294 \uc798\ubabb\ub41c \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158<\/strong>: \ubcd1\ub82c \ub3c4\uccb4\uc758 \uacbd\uc6b0 \ucc28\ub2e8\uae30 I\u00b2t\uac00 \ub2e8\uc77c \ub3c4\uccb4\uc758 K\u00b2S\u00b2\ubcf4\ub2e4 \uc791\uc740\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uace0\uc7a5 \uc804\ub958 \ubd84\ud560\uc740 \uc608\uc0c1 \uc804\ub958\ub97c \uacb0\uc815\ud55c \uc2dc\uc2a4\ud15c \uc784\ud53c\ub358\uc2a4 \uacc4\uc0b0\uc5d0 \uc774\ubbf8 \uace0\ub824\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc2e4\uc218 4: \uc8fc\ubcc0 \uc628\ub3c4 \uc601\ud5a5 \ubb34\uc2dc<\/h3>\n<p><strong>\ubb38\uc81c<\/strong>: \ud45c\uc900 \ud45c\uc758 K \uac12\uc740 \ud2b9\uc815 \ucd08\uae30 \uc628\ub3c4(\uc77c\ubc18\uc801\uc73c\ub85c \uc5f0\uc18d \uc791\ub3d9\uc758 \uacbd\uc6b0 70\u00b0C)\ub97c \uac00\uc815\ud569\ub2c8\ub2e4. \ub354\uc6b4 \ud658\uacbd(&gt;40\u00b0C \uc8fc\ubcc0) \ub610\ub294 \ub192\uc740 \ubd80\ud558\uc728\uc758 \uc124\uce58\ub294 \ucd08\uae30 \ub3c4\uccb4 \uc628\ub3c4\uac00 \ub354 \ub192\uc544 \uc5f4 \ub0b4\uc131 \uc6a9\ub7c9\uc774 \uac10\uc18c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\uc194\ub8e8\uc158<\/strong>: \uc8fc\ubcc0 \uc628\ub3c4\uac00 \ub192\uac70\ub098 \ubd80\ud558\uc728\uc774 \ub192\uc740 \uacbd\uc6b0 \ub2e4\uc74c \uc911 \ud558\ub098\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>IEC 60364-5-54 \ubd80\uc18d\uc11c A\uc5d0\uc11c \uc870\uc815\ub41c K \uac12\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<li>K\u00b2S\u00b2 \uacb0\uacfc\uc5d0 \uc628\ub3c4 \uacbd\uac10 \uacc4\uc218\ub97c \uc801\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<li>\ucc28\ub2e8\uae30 I\u00b2t\uac00 \ucd94\uac00 \uc548\uc804 \uc5ec\uc720(&gt;30%)\ub97c \uc81c\uacf5\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<hr \/>\n<h2>\uace0\uae09 \uc8fc\uc81c: \uc5d0\ub108\uc9c0 \uc81c\ud55c \ubc0f \uc544\ud06c \ud50c\ub798\uc2dc<\/h2>\n<h3>\uc544\ud06c \ud50c\ub798\uc2dc \uc704\ud5d8 \uac10\uc18c\uc5d0\uc11c I\u00b2t\uc758 \uc5ed\ud560<\/h3>\n<p>IEEE 1584\uc5d0 \ub530\ub978 \uc544\ud06c \ud50c\ub798\uc2dc \uc785\uc0ac \uc5d0\ub108\uc9c0 \uacc4\uc0b0\uc740 \uc804\ud1b5\uc801\uc73c\ub85c \ucc28\ub2e8\uae30\uc758 \uc2dc\uac04-\uc804\ub958 \uace1\uc120\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucc28\ub2e8 \uc2dc\uac04\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc21c\uac04 \uc601\uc5ed\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \uc804\ub958 \uc81c\ud55c \ucc28\ub2e8\uae30\uc758 \uacbd\uc6b0 \uc774 \ubc29\ubc95\uc740 \uc2e4\uc81c \uc785\uc0ac \uc5d0\ub108\uc9c0\ub97c \ud06c\uac8c \uacfc\ub300 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc5f0\uad6c\uc5d0 \ub530\ub974\uba74 I\u00b2t \uac12\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc544\ud06c \ud50c\ub798\uc2dc \uc5d0\ub108\uc9c0\ub97c \uacc4\uc0b0\ud558\uba74 \uc804\ub958 \uc81c\ud55c \uc7a5\uce58\uc5d0 \ub300\ud574 \ub354 \uc815\ud655\ud55c \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uad00\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\uc785\uc0ac \uc5d0\ub108\uc9c0(cal\/cm\u00b2) \u221d \u221a(I\u00b2t) \/ D\u00b2<\/strong><\/p>\n<p>\uc5ec\uae30\uc11c D\ub294 \uc791\uc5c5 \uac70\ub9ac\uc785\ub2c8\ub2e4. \uc774 \uc811\uadfc \ubc29\uc2dd\uc740 \uc2dc\uac04-\uc804\ub958 \uace1\uc120 \ubc29\ubc95\uc5d0 \ube44\ud574 \uacc4\uc0b0\ub41c \uc785\uc0ac \uc5d0\ub108\uc9c0\ub97c 50-70% \uc904\uc5ec \ud544\uc694\ud55c PPE \ubc94\uc8fc\ub97c \ub0ae\ucd94\uace0 \uc791\uc5c5\uc790 \uc548\uc804\uc744 \uac1c\uc120\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc870\uc815 \ubc0f \uc120\ud0dd\uc131 \uace0\ub824 \uc0ac\ud56d<\/h3>\n<p>\uc801\uc808\ud55c \uc120\ud0dd\uc131\uc744 \uc704\ud574\uc11c\ub294 \uace0\uc7a5\uc5d0 \uac00\uc7a5 \uac00\uae4c\uc6b4 \ucc28\ub2e8\uae30\ub9cc \uc791\ub3d9\ud558\uace0 \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\ub294 \ub2eb\ud78c \uc0c1\ud0dc\ub85c \uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4. I\u00b2t \uad00\uc810\uc5d0\uc11c \uc774\ub294 \ub2e4\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li><strong>\uc5d0\ub108\uc9c0 \ucc28\ubcc4<\/strong>: \uace0\uc7a5 \uc704\uce58\uc5d0\uc11c \uc5c5\uc2a4\ud2b8\ub9bc \ucc28\ub2e8\uae30\uc758 I\u00b2t\ub294 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \ucc28\ub2e8\uae30\uc758 \ucd1d \ucc28\ub2e8 \uc5d0\ub108\uc9c0\ub97c \ucd08\uacfc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2dc\uac04 \ucc28\ubcc4<\/strong>: \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc7a5\uce58\uac00 \uace0\uc7a5\uc744 \uc81c\uac70\ud560 \ub54c\uae4c\uc9c0 \uc5c5\uc2a4\ud2b8\ub9bc \uc7a5\uce58\uac00 \ucda9\ubd84\ud788 \uc624\ub7ab\ub3d9\uc548 \ub2eb\ud78c \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\ub958 \ucc28\ubcc4<\/strong>: \uc5b4\ub5a4 \uacbd\uc6b0\uc5d0\ub294 \ud558\uc704 \uc7a5\uce58\uc758 \uc784\ud53c\ub358\uc2a4\ub85c \uc778\ud574 \uc0c1\uc704 \uc7a5\uce58\uac00 \uac10\uc18c\ub41c \uc804\ub958\ub9cc \uac10\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc81c\uc870\uc5c5\uccb4\ub294 \uc120\ud0dd\uc131\uc744 \ub2ec\uc131\ud558\ub294 \uc7a5\uce58 \uc870\ud569\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uc870\uc815 \ud45c\ub97c \uc81c\uacf5\ud558\uc9c0\ub9cc, \uae30\ubcf8 I\u00b2t \uad00\uacc4\ub97c \uc774\ud574\ud558\uba74 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ud45c\uc5d0\uc11c \ud2b9\uc815 \uc2dc\ub098\ub9ac\uc624\ub97c \ub2e4\ub8e8\uc9c0 \uc54a\uc744 \ub54c \uc815\ubcf4\uc5d0 \uc785\uac01\ud55c \uacb0\uc815\uc744 \ub0b4\ub9ac\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\uc8fc\uc694 \ub0b4\uc6a9<\/h2>\n<ul>\n<li><strong>I\u00b2t \uace1\uc120\uc740 \uc5f4 \uc5d0\ub108\uc9c0\ub97c \uc815\ub7c9\ud654\ud569\ub2c8\ub2e4.<\/strong> \ud68c\ub85c \ucc28\ub2e8\uae30\uac00 \uace0\uc7a5 \ucc28\ub2e8 \uc911\uc5d0 \ud1b5\uacfc\uc2dc\ud0a4\ub294 \uc5f4 \uc5d0\ub108\uc9c0(\uc554\ud398\uc5b4 \uc81c\uacf1 \ucd08(A\u00b2s) \ub2e8\uc704\ub85c \uce21\uc815)<\/li>\n<li><strong>\uc804\ub958 \uc81c\ud55c \ucc28\ub2e8\uae30<\/strong> \ube44\uc804\ub958 \uc81c\ud55c \uc7a5\uce58\uc5d0 \ube44\ud574 \uace0\uc7a5 \uc5d0\ub108\uc9c0\ub97c 1000\ubc30 \uc774\uc0c1 \uc904\uc5ec \ub354 \uc791\uc740 \ub3c4\uccb4 \ud06c\uae30\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>I\u00b2t \uace1\uc120\uc744 \uc77d\uc73c\ub824\uba74 5\ub2e8\uacc4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/strong>: \uc608\uc0c1 \uc804\ub958 \uacc4\uc0b0, X\ucd95\uc5d0\uc11c \uc704\uce58 \ucc3e\uae30, \ucc28\ub2e8\uae30 \uace1\uc120 \ucd94\uc801, Y\ucd95 \uac12 \uc77d\uae30, \ub3c4\uccb4 \ub0b4\uc555\uacfc \ube44\uad50<\/li>\n<li><strong>\ub3c4\uccb4 \uc5f4 \ub0b4\uc555<\/strong> K\u00b2S\u00b2\ub97c \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ud558\uba70, \uc5ec\uae30\uc11c K\ub294 \uc7ac\ub8cc \ubc0f \uc808\uc5f0 \uc720\ud615\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\uace0 S\ub294 \ub2e8\uba74\uc801\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uac80\uc99d \uacf5\uc2dd\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4.<\/strong>: \ucc28\ub2e8\uae30 I\u00b2t\ub294 \uc608\uc0c1 \uace0\uc7a5 \uc804\ub958 \uc218\uc900\uc5d0\uc11c \ub3c4\uccb4 K\u00b2S\u00b2\ubcf4\ub2e4 \uc791\uc544\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud45c\uc900 \uc900\uc218<\/strong> \ucc28\ub2e8\uae30\uc758 \uacbd\uc6b0 IEC 60947-2, \ub3c4\uccb4 \ud06c\uae30 \uc870\uc815\uc758 \uacbd\uc6b0 IEC 60364-5-54\ub97c \ub530\ub77c\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc77c\ubc18\uc801\uc778 \uc2e4\uc218<\/strong> \ud63c\ub780\uc2a4\ub7ec\uc6b4 RMS\/\ud53c\ud06c \uac12\uc744 \ud3ec\ud568\ud558\uace0, \ubaa8\ub4e0 \ucc28\ub2e8\uae30\uac00 \uc804\ub958 \uc81c\ud55c\uc801\uc774\ub77c\uace0 \uac00\uc815\ud558\uace0, \uc8fc\ubcc0 \uc628\ub3c4 \ud6a8\uacfc\ub97c \ubb34\uc2dc\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubd80\uc2a4\ubc14 \uac80\uc99d<\/strong> \ub3d9\uc77c\ud55c I\u00b2t \uc6d0\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc9c0\ub9cc \uc628\ub3c4 \uc0c1\uc2b9\uc5d0 \ub300\ud55c \ucd94\uac00 \uacc4\uc0b0\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc544\ud06c \ud50c\ub798\uc2dc \uacc4\uc0b0<\/strong> I\u00b2t \ub370\uc774\ud130\uc758 \uc774\uc810\uc744 \uc5bb\uc5b4 \uc804\ub958 \uc81c\ud55c \ucc28\ub2e8\uae30\uc758 \uc0ac\uace0 \uc5d0\ub108\uc9c0 \ucd94\uc815\uce58\ub97c \uc904\uc774\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>Coordination and selectivity<\/strong> \uc0c1\uc704 \ubc0f \ud558\uc704 \ubcf4\ud638 \uc7a5\uce58 \uac04\uc758 \uc801\uc808\ud55c I\u00b2t \uad00\uacc4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n<hr \/>\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<p><strong>Q: DC \ud68c\ub85c \ucc28\ub2e8\uae30\uc5d0 I\u00b2t \uace1\uc120\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong><\/p>\n<p>A: \uc608, \uc8fc\uc758\ud574\uc11c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. DC \ucc28\ub2e8\uae30\uc5d0\ub294 I\u00b2t \uace1\uc120\uc774 \uc788\uc9c0\ub9cc \uc790\uc5f0 \uc804\ub958 \uc81c\ub85c\uac00 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \uc804\ub958 \uc81c\ud55c \ud6a8\uacfc\ub294 \uc77c\ubc18\uc801\uc73c\ub85c AC \ucc28\ub2e8\uae30\ubcf4\ub2e4 \ub35c \ub450\ub4dc\ub7ec\uc9d1\ub2c8\ub2e4. \ud56d\uc0c1 DC \uc804\uc6a9 \uace1\uc120\uc744 \uc0ac\uc6a9\ud558\uace0 AC \ucc28\ub2e8\uae30 \ub370\uc774\ud130\ub97c DC \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\uc6a9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/dc-circuit-breaker-sizing-nec-690-vs-iec-60947-2-guide\/\">DC \ud68c\ub85c \ucc28\ub2e8\uae30 \ud06c\uae30 \uc870\uc815\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc2ed\uc2dc\uc624.<\/a>.<\/p>\n<p><strong>Q: \uc608\uc0c1 \uace0\uc7a5 \uc804\ub958\uac00 \uace1\uc120\uc758 \uc2dc\uc791\uc810 \uc544\ub798\ub85c \ub5a8\uc5b4\uc9c0\uba74 \uc5b4\ub5bb\uac8c \ub429\ub2c8\uae4c?<\/strong><\/p>\n<p>A: \ub300\ubd80\ubd84\uc758 I\u00b2t \uace1\uc120\uc740 \uc804\ub958 \uc81c\ud55c \ub3d9\uc791\uc774 \uc2dc\uc791\ub418\ub294 \uc804\ub958(\uc77c\ubc18\uc801\uc73c\ub85c \uc815\uaca9 \uc804\ub958\uc758 3~5\ubc30)\uc5d0\uc11c \uc2dc\uc791\ub429\ub2c8\ub2e4. \uc774 \uc784\uacc4\uac12 \uc544\ub798\uc5d0\uc11c \ucc28\ub2e8\uae30\ub294 \uc0c1\ub2f9\ud55c \uc81c\ud55c \uc5c6\uc774 \uc5f4 \ub610\ub294 \uc790\uae30 \uc601\uc5ed\uc5d0\uc11c \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub0ae\uc740 \uc804\ub958\uc758 \uacbd\uc6b0 \uc2dc\uac04-\uc804\ub958 \uace1\uc120\uc744 \uc0ac\uc6a9\ud558\uc5ec I\u00b2t\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ud569\ub2c8\ub2e4. I\u00b2t = I\u00b2 \u00d7 \ucc28\ub2e8 \uc2dc\uac04.<\/p>\n<p><strong>Q: \uae30\uc874 \uc124\uce58\uc5d0\uc11c I\u00b2t \ubcf4\ud638\ub97c \uc5bc\ub9c8\ub098 \uc790\uc8fc \ub2e4\uc2dc \ud655\uc778\ud574\uc57c \ud569\ub2c8\uae4c?<\/strong><\/p>\n<p>A: \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 \uc7ac\uac80\uc99d\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. (1) \uc720\ud2f8\ub9ac\ud2f0 \uc5c5\uadf8\ub808\uc774\ub4dc\ub85c \uc778\ud574 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uace0\uc7a5 \uc804\ub958\uac00 \uc99d\uac00\ud55c \uacbd\uc6b0, (2) \ub3c4\uccb4\uac00 \uad50\uccb4\ub418\uac70\ub098 \ud68c\ub85c\uac00 \ud655\uc7a5\ub41c \uacbd\uc6b0, (3) \ubcf4\ud638 \uc7a5\uce58\uac00 \ubcc0\uacbd\ub41c \uacbd\uc6b0 \ub610\ub294 (4) \uc8fc\uc694 \ubd80\ud558\uac00 \ucd94\uac00\ub41c \uacbd\uc6b0. \ucd5c\uc0c1\uc758 \ubc29\ubc95\uc73c\ub85c \uc8fc\uae30\uc801\uc778 \uc804\uae30 \uc2dc\uc2a4\ud15c \uc5f0\uad6c(\uc77c\ubc18\uc801\uc73c\ub85c 5\ub144\ub9c8\ub2e4) \uc911\uc5d0 \uac80\ud1a0\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/understanding-trip-curves\/\">\ud2b8\ub9bd \uace1\uc120 \uc774\ud574<\/a> \ubcc0\uacbd \uc0ac\ud56d\uc774 \ubcf4\ud638\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \uc2dd\ubcc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p><strong>Q: \uc18c\ud615 \ud68c\ub85c \ucc28\ub2e8\uae30(MCB)\uc5d0 I\u00b2t \uace1\uc120\uc774 \uc788\uc2b5\ub2c8\uae4c?<\/strong><\/p>\n<p>A: \uc608, IEC 60898-1\uc5d0 \ub530\ub978 MCB\ub294 \ucc28\ub2e8 \uc6a9\ub7c9(6kA, 10kA \ub4f1) \ubc0f \uace1\uc120 \uc720\ud615(B, C, D)\uc744 \uae30\ubc18\uc73c\ub85c \ud45c\uc900\ud654\ub41c \ucd5c\ub300 I\u00b2t \uac12\uc744 \uac16\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc81c\uc870\uc5c5\uccb4\ub294 \ud56d\uc0c1 \uc790\uc138\ud55c \uace1\uc120\uc744 \uac8c\uc2dc\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. \uc815\ud655\ud55c \uac80\uc99d\uc744 \uc704\ud574 \uc81c\uc870\uc5c5\uccb4\uc5d0 I\u00b2t \ub370\uc774\ud130\ub97c \uc694\uccad\ud558\uac70\ub098 IEC 60898-1 \ubd80\ub85d D\uc758 \ubcf4\uc218\uc801\uc778 \ucd5c\ub300\uac12\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/test.viox.com\/ko\/mcb-breaking-capacity-6ka-vs-10ka-selection-guide\/\">MCB \ucc28\ub2e8 \uc6a9\ub7c9 \ube44\uad50<\/a> \ucd94\uac00 \ucee8\ud14d\uc2a4\ud2b8\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>Q: \ub2e4\ub978 \ucc28\ub2e8\uae30 \uc815\uaca9\uc5d0 \ub300\ud55c \uace1\uc120 \uc0ac\uc774\ub97c \ubcf4\uac04\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong><\/p>\n<p>A: \uc544\ub2c8\uc694, I\u00b2t \uace1\uc120\uc5d0\uc11c \ub2e4\ub978 \ucc28\ub2e8\uae30 \uc815\uaca9 \uc0ac\uc774\ub97c \ubcf4\uac04\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uac01 \uc815\uaca9\uc5d0\ub294 \uc804\ub958 \uc81c\ud55c\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uace0\uc720\ud55c \ub0b4\ubd80 \ud2b9\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ud544\uc694\ud55c \uc815\uaca9\uc774 \ud45c\uc2dc\ub418\uc9c0 \uc54a\uc73c\uba74 \uc81c\uc870\uc5c5\uccb4\uc5d0 \ud2b9\uc815 \ub370\uc774\ud130\ub97c \uc694\uccad\ud558\uac70\ub098 \ubcf4\uc218\uc801\uc778 \uacb0\uacfc\ub97c \uc704\ud574 \ub2e4\uc74c\uc73c\ub85c \ub192\uc740 \uc815\uaca9\uc758 \uace1\uc120\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>Q: MCCB\uc758 I\u00b2t\uc640 Icw \uc815\uaca9\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/p>\n<p>A: Icw(\ub2e8\uc2dc\uac04 \ub0b4\uc804\ub958)\ub294 \ucc28\ub2e8\uae30\uac00 \ud2b8\ub9bd \uc5c6\uc774 \uc9c0\uc815\ub41c \uc2dc\uac04(\uc77c\ubc18\uc801\uc73c\ub85c 1\ucd08) \ub3d9\uc548 \uc804\ub2ec\ud560 \uc218 \uc788\ub294 \uc804\ub958\ub85c, \uc870\uc815\uc744 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. I\u00b2t\ub294 \ucc28\ub2e8\uae30\uac00 \ud2b8\ub9bd\ub420 \ub54c \ud1b5\uacfc\uc2dc\ud0a4\ub294 \uc5f4 \uc5d0\ub108\uc9c0\uc785\ub2c8\ub2e4. \uc774\ub4e4\uc740 \uc11c\ub85c \ub2e4\ub978 \ubaa9\uc801\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc120\ud0dd\uc131\uc758 \uacbd\uc6b0 Icw, \ub3c4\uccb4 \ubcf4\ud638\uc758 \uacbd\uc6b0 I\u00b2t. <a href=\"https:\/\/test.viox.com\/ko\/mccb-short-time-delay-icw-rating-explained\/\">MCCB \ub2e8\uc2dc\uac04 \uc9c0\uc5f0 \uc124\uba85<\/a> \uc774 \uad6c\ubd84\uc744 \uc790\uc138\ud788 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\uacb0\ub860: \uc124\uacc4 \ud504\ub85c\uc138\uc2a4\uc5d0 I\u00b2t \ud1b5\ud569<\/h2>\n<p>\ud68c\ub85c \ucc28\ub2e8\uae30 I\u00b2t \uace1\uc120\uc744 \uc774\ud574\ud558\uace0 \uc801\uc808\ud558\uac8c \uc801\uc6a9\ud558\uba74 \uc5f4 \ubcf4\ud638\uac00 \uc774\ub860\uc801\uc778 \ubb38\uc81c\uc5d0\uc11c \uc2e4\uc6a9\uc801\uc778 \uc124\uacc4 \ub3c4\uad6c\ub85c \ubc14\ub01d\ub2c8\ub2e4. \uace1\uc120 \uc77d\uae30, \ub3c4\uccb4 \ub0b4\uc555 \uacc4\uc0b0, \uc801\uc808\ud55c \ub9c8\uc9c4 \ud655\uc778\uacfc \uac19\uc740 \uac80\uc99d \ud504\ub85c\uc138\uc2a4\ub294 \ud68c\ub85c\ub2f9 \uba87 \ubd84 \ubc16\uc5d0 \uac78\ub9ac\uc9c0 \uc54a\uc9c0\ub9cc \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \uace0\uc7a5 \ubc0f \uc548\uc804 \uc704\ud5d8\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<p>\ucd5c\uc2e0 \uc804\uae30 \uc124\ube44\ub294 \uc720\ud2f8\ub9ac\ud2f0 \uadf8\ub9ac\ub4dc\uac00 \uac15\ud654\ub418\uace0 \ubd84\uc0b0 \ubc1c\uc804\uc774 \ud655\uc0b0\ub428\uc5d0 \ub530\ub77c \uace0\uc7a5 \uc804\ub958 \uc218\uc900\uc774 \uc99d\uac00\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub3d9\uc2dc\uc5d0 \uacbd\uc81c\uc801 \uc555\ub825\uc73c\ub85c \uc778\ud574 \ub3c4\uccb4 \ud06c\uae30\uac00 \ucd5c\uc18c \ud5c8\uc6a9 \uac12\uc73c\ub85c \uc870\uc815\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc218\ub834\uc73c\ub85c \uc778\ud574 I\u00b2t \uac80\uc99d\uc740 \ub2e8\uc21c\ud55c \uad8c\uc7a5 \uc0ac\ud56d\uc774 \uc544\ub2c8\ub77c \uc548\uc804\ud558\uace0 \ucf54\ub4dc \uc900\uc218 \uc124\uacc4\ub97c \uc704\ud55c \ud544\uc218 \uc0ac\ud56d\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>VIOX Electric\uc740 \ub2f9\uc0ac \uc81c\ud488 \ubc94\uc704\uc758 \ubaa8\ub4e0 \uc804\ub958 \uc81c\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30\uc5d0 \ub300\ud55c \ud3ec\uad04\uc801\uc778 I\u00b2t \uace1\uc120 \ubc0f \uae30\uc220 \uc9c0\uc6d0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub2f9\uc0ac\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud300\uc740 \uc5f4 \uac80\uc99d \uacc4\uc0b0\uc744 \uc9c0\uc6d0\ud558\uace0 \uace0\uc7a5 \uc218\uc900\uc774 \ub3c4\uccb4 \uc5f4 \uc81c\ud55c\uc5d0 \uac00\uae4c\uc6cc\uc9c0\ub294 \uae4c\ub2e4\ub85c\uc6b4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud55c \ucd5c\uc801\uc758 \ucc28\ub2e8\uae30 \uc120\ud0dd\uc744 \uad8c\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc5ec\ub7ec \uc870\uc815 \uc218\uc900\uacfc \uad00\ub828\ub41c \ubcf5\uc7a1\ud55c \uc124\uce58\uc758 \uacbd\uc6b0, <a href=\"https:\/\/test.viox.com\/ko\/busbar-selection-guide-copper-tin-silver-plating-comparison\/\">\ubaa8\uc120 \uc120\ud0dd<\/a>, \ub610\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc218 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0, <a href=\"https:\/\/test.viox.com\/ko\/what-is-a-pv-combiner-box-and-why-your-solar-system-cant-function-without-one\/\">\ud0dc\uc591\uad11 \uacb0\ud569\uae30 \ubc15\uc2a4<\/a>, I\u00b2t \uae30\ubc18 \ubcf4\ud638 \uc804\ub7b5\uc758 \uc774\ub860\uc801 \uc6d0\ub9ac\uc640 \uc2e4\uc81c \uc801\uc6a9\uc744 \ubaa8\ub450 \uc774\ud574\ud558\ub294 \uc219\ub828\ub41c \uc804\uae30 \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \uc0c1\ub2f4\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>\uc801\uc808\ud55c \uc5f4 \uac80\uc99d\uc5d0 \ub300\ud55c \ud22c\uc790\ub294 \ud5a5\uc0c1\ub41c \uc548\uc804, \uace0\uc7a5 \uc2dc \uc7a5\ube44 \uc190\uc0c1 \uac10\uc18c, \ubcf4\ud5d8 \ube44\uc6a9 \uc808\uac10 \ubc0f \uc804 \uc138\uacc4\uc801\uc73c\ub85c \uc810\uc810 \ub354 \uc5c4\uaca9\ud574\uc9c0\ub294 \uc804\uae30 \ucf54\ub4dc \uc900\uc218\ub97c \ud1b5\ud574 \uc774\uc775\uc744 \uc5bb\uc2b5\ub2c8\ub2e4. \ud68c\ub85c \ucc28\ub2e8\uae30 \uc120\ud0dd \ud504\ub85c\uc138\uc2a4\uc5d0\uc11c I\u00b2t \uace1\uc120 \ubd84\uc11d\uc744 \ud45c\uc900 \ub2e8\uacc4\ub85c \ub9cc\ub4dc\uc2ed\uc2dc\uc624. \uadc0\ud558\uc758 \ub3c4\uccb4\uc640 \uadc0\ud558\uc758 \uace0\uac1d\uc740 \uac10\uc0ac\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\uae00\ub85c\ubc8c \uc2dc\uc7a5\uc744 \uc7a5\uc545\ud558\ub294 TOP 10 MCB \uc81c\uc870\uc5c5\uccb4<\/h2>\n<ul>\n<li class=\"youmind-editor-node-list-item-ui\">\n<p class=\"youmind-editor-node-paragraph-ui\"><a class=\"youmind-editor-mark-link-ui\" href=\"https:\/\/test.viox.com\/ko\/circuit-breaker-ratings-icu-ics-icw-icm\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\ud68c\ub85c \ucc28\ub2e8\uae30 \uc815\uaca9: ICU, ICS, ICW, ICM \uc124\uba85<\/a><\/p>\n<\/li>\n<li class=\"youmind-editor-node-list-item-ui\">\n<p class=\"youmind-editor-node-paragraph-ui\"><a class=\"youmind-editor-mark-link-ui\" href=\"https:\/\/test.viox.com\/ko\/current-limiting-circuit-breaker-guide\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\uc804\ub958 \uc81c\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30 \uac00\uc774\ub4dc<\/a><\/p>\n<\/li>\n<li class=\"youmind-editor-node-list-item-ui\">\n<p class=\"youmind-editor-node-paragraph-ui\"><a class=\"youmind-editor-mark-link-ui\" href=\"https:\/\/test.viox.com\/ko\/how-to-select-an-mccb-for-a-panel\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\ud328\ub110\uc6a9 MCCB \uc120\ud0dd \ubc29\ubc95<\/a><\/p>\n<\/li>\n<li class=\"youmind-editor-node-list-item-ui\">\n<p class=\"youmind-editor-node-paragraph-ui\"><a class=\"youmind-editor-mark-link-ui\" href=\"https:\/\/test.viox.com\/ko\/types-of-circuit-breakers\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\ud68c\ub85c \ucc28\ub2e8\uae30\uc758 \uc885\ub958<\/a><\/p>\n<\/li>\n<\/ul>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4231.56px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4231.56px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Direct Answer The I\u00b2t (permissible energy) curve of a circuit breaker shows the thermal energy that passes through during fault interruption. Reading this curve is straightforward: locate your prospective short-circuit current on the X-axis, trace upward to intersect the breaker&#8217;s curve, then read the corresponding I\u00b2t value on the Y-axis. This value must be less [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21493,"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-21492","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\/21492","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=21492"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/21492\/revisions"}],"predecessor-version":[{"id":21495,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/21492\/revisions\/21495"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/media\/21493"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/media?parent=21492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/categories?post=21492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/tags?post=21492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}