{"id":20608,"date":"2025-12-13T00:27:11","date_gmt":"2025-12-12T16:27:11","guid":{"rendered":"https:\/\/viox.com\/?p=20608"},"modified":"2025-12-13T02:05:12","modified_gmt":"2025-12-12T18:05:12","slug":"ue-vs-ui-vs-uimp-voltage-ratings-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ko\/ue-vs-ui-vs-uimp-voltage-ratings-guide\/","title":{"rendered":"Ue vs Ui vs Uimp: \uc804\uae30 \uc804\uc555 \ub4f1\uae09 \uac00\uc774\ub4dc"},"content":{"rendered":"<div class=\"product-intro\">\n<p>\ub3d9\uc77c\ud55c \uc815\uaca9 \uc804\ub958(100A, 3\uadf9)\ub97c \uac00\uc9c4 \ub450 MCCB\ub97c \ube44\uad50\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc804\uc555 \uc0ac\uc591\uc774 \ub2e4\ub985\ub2c8\ub2e4. \ud558\ub098\ub294 \u201cUe 400V, Ui 690V, Uimp 8kV\u201d\ub85c \ud45c\uc2dc\ub418\uace0 \ub2e4\ub978 \ud558\ub098\ub294 \u201cUe 690V, Ui 800V, Uimp 6kV\u201d\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc5b4\ub5a4 \uac83\uc774 400V 3\uc0c1 \uc2dc\uc2a4\ud15c\uc5d0 \uc801\ud569\ud569\ub2c8\uae4c? Ue\uac00 \uc2dc\uc2a4\ud15c \uc804\uc555\uacfc \uc77c\uce58\ud558\uc9c0\ub9cc Uimp\uac00 \ub2e4\ub978 \uacbd\uc6b0 \uccab \ubc88\uc9f8 \ucc28\ub2e8\uae30\ub97c \uc548\uc804\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/p>\n<p>Ue, Ui, Uimp\uc758 \uc138 \uac00\uc9c0 \uc804\uc555 \ud30c\ub77c\ubbf8\ud130\ub294 MCCB\ub97c \ud3ec\ud568\ud55c \ubaa8\ub4e0 \uc804\uae30 \uc7a5\ube44 \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0 \ub098\ud0c0\ub0a9\ub2c8\ub2e4. <a href=\"https:\/\/test.viox.com\/ko\/ac-contactor\/\">\uc811\ucd09\uae30<\/a> \uc5d0\uac8c <a href=\"https:\/\/test.viox.com\/ko\/timer-relay\/\">\ub9b4\ub808\uc774<\/a> \uadf8\ub9ac\uace0 <a href=\"https:\/\/test.viox.com\/ko\/terminal-block\/\">\ud130\ubbf8\ub110 \ube14\ub85d<\/a>. \ud558\uc9c0\ub9cc \uc774\ub7ec\ud55c \ud30c\ub77c\ubbf8\ud130\uc758 \uc2e4\uc81c \uc758\ubbf8\uc5d0 \ub300\ud55c \ud63c\ub780\uc740 \uc870\uae30\uc5d0 \uace0\uc7a5\ub098\ub294 \uacfc\uc18c \uc0ac\uc591 \uc7a5\ube44, \uc608\uc0b0\uc744 \ub0ad\ube44\ud558\ub294 \uacfc\uc789 \uc0ac\uc591 \ubd80\ud488, \ud504\ub85c\uc81d\ud2b8 \uc2b9\uc778 \uc911 \uaddc\uc815 \uc900\uc218 \ubb38\uc81c\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n<p>\ubb38\uc81c\ub294 \ub2e8\uc21c\ud788 \uc138 \uac1c\uc758 \uc22b\uc790\ub97c \uc77d\ub294 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uac01 \uc815\uaca9\uc740 \uc815\uc0c1 \uc0c1\ud0dc \uc791\ub3d9, \uc808\uc5f0 \ubb34\uacb0\uc131, \uacfc\ub3c4 \uc11c\uc9c0 \ub0b4\uc131\uacfc \uac19\uc740 \uc11c\ub85c \ub2e4\ub978 \uc804\uae30\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub97c \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc815\uaca9\uc740 \uc11c\ub85c \ub2e4\ub978 IEC \ud45c\uc900\uc758 \uc801\uc6a9\uc744 \ubc1b\uace0, \uc11c\ub85c \ub2e4\ub978 \ud14c\uc2a4\ud2b8 \uc808\ucc28\ub97c \ud1b5\ud574 \uac80\uc99d\ub418\uba70, \uc7a5\ube44 \uc120\ud0dd\uc5d0\uc11c \ub69c\ub837\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc815\uaca9\uc744 \uc11c\ub85c \ubc14\uafd4\uc11c \uc0ac\uc6a9\ud558\uac70\ub098, \ub354 \ub098\uc058\uac8c\ub294 \ub450 \uac1c\ub97c \ubb34\uc2dc\ud558\uba74 \uc2e4\uc81c \uc548\uc804 \ubc0f \uc2e0\ub8b0\uc131 \uc704\ud5d8\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 \uc138 \uac00\uc9c0 \uc804\uc555 \uc815\uaca9\uc744 \ubaa8\ub450 \uc815\ud655\ud558\uac8c \ud574\ub3c5\ud569\ub2c8\ub2e4. Ue, Ui, Uimp\uac00 \uc815\ud655\ud788 \ubb34\uc5c7\uc744 \uce21\uc815\ud558\ub294\uc9c0, \uc5b4\ub5a4 IEC \ud14c\uc2a4\ud2b8\uac00 \uac01 \ud30c\ub77c\ubbf8\ud130\ub97c \uac80\uc99d\ud558\ub294\uc9c0, \uc774\ub7ec\ud55c \ud30c\ub77c\ubbf8\ud130\uac00 \uc808\uc5f0 \uc870\uc815 \ud45c\uc900\uacfc \uc5b4\ub5a4 \uad00\ub828\uc774 \uc788\ub294\uc9c0, \uadf8\ub9ac\uace0 \uac00\uc7a5 \uc911\uc694\ud55c \uac83\uc740 \uc5b4\ub5a4 \uc815\uaca9\uc774 \uc5b4\ub5a4 \uc0ac\uc591 \uacb0\uc815\uc5d0 \uc911\uc694\ud55c\uc9c0 \uc815\ud655\ud788 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacb0\uad6d \uc7a5\ube44 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \uc790\uc2e0 \uc788\uac8c \uc77d\uace0 \uc2dc\uc2a4\ud15c \uc804\uc555\uacfc \uc124\uce58 \ud658\uacbd\uc5d0 \uac00\ud574\uc9c0\ub294 \uc804\uccb4 \uc804\uae30\uc801 \uc2a4\ud2b8\ub808\uc2a4 \ud504\ub85c\ud544 \ubaa8\ub450\uc5d0 \ub9de\ub294 \ubd80\ud488\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/img.viox.com\/three-voltage-ratings-overview-diagram-showing-ue-ui-and-uimp-with-color-coded-sections-and-visual-hierarchy.webp\" alt=\"Three voltage ratings overview diagram showing Ue, Ui, and Uimp\" \/><figcaption><em><em>\uadf8\ub9bc 1: \uc138 \uac00\uc9c0 \uc804\uc555 \uc815\uaca9\uacfc \uadf8 \uad00\uacc4\uc5d0 \ub300\ud55c \uc2dc\uac01\uc801 \uac1c\uc694\uc785\ub2c8\ub2e4. Ue(\uc815\uaca9 \uc791\ub3d9 \uc804\uc555)\ub294 \uc815\uc0c1 \uc791\ub3d9\uc744 \uc815\uc758\ud558\uace0, Ui(\uc815\uaca9 \uc808\uc5f0 \uc804\uc555)\ub294 \uc808\uc5f0 \uc124\uacc4\ub97c \uacb0\uc815\ud558\uba70, Uimp(\uc815\uaca9 \uc784\ud384\uc2a4 \ub0b4\uc804\uc555)\ub294 \uc11c\uc9c0 \ubcf4\ud638 \uae30\ub2a5\uc744 \uac80\uc99d\ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \uc7a5\ube44 \uc0ac\uc591\uc744 \uc704\ud574\uc11c\ub294 \uc138 \uac00\uc9c0 \ubaa8\ub450\ub97c \uc774\ud574\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/em><\/em>&nbsp;<\/p>\n<\/figcaption><\/figure>\n<h2>Ue(\uc815\uaca9 \uc791\ub3d9 \uc804\uc555)\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>\n<p><strong>Ue<\/strong> \uc774\ub2e4 <strong>\uc815\uaca9 \uc791\ub3d9 \uc804\uc555<\/strong>\uc740 \uc815\uc0c1\uc801\uc778 \ubc29\ud574\ubc1b\uc9c0 \uc54a\ub294 \uc870\uac74\uc5d0\uc11c \uc804\uae30 \uc7a5\ube44\uac00 \uc791\ub3d9\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \uc804\uc555\uc785\ub2c8\ub2e4. \uc774\ub294 <a href=\"https:\/\/test.viox.com\/ko\/mccb\/\">MCCB<\/a>, \uc811\ucd09\uae30, \ub9b4\ub808\uc774 \ub610\ub294 \uae30\ud0c0 \uc81c\uc5b4 \uc7a5\uce58\ub97c \uc120\ud0dd\ud560 \ub54c \uc2dc\uc2a4\ud15c\uc758 \uacf5\uce6d \uc804\uc555\uacfc \uc77c\uce58\uc2dc\ud0a4\ub294 \uc22b\uc790\uc785\ub2c8\ub2e4.<\/p>\n<p>IEC 60947 \uc6a9\uc5b4\uc5d0\uc11c Ue\ub294 \uc7a5\ube44\uc758 \uc801\uc6a9 \uc804\uc555 \uc601\uc5ed\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \uc774\ub294 \ub2e4\ub978 \ub450 \uac00\uc9c0 \uc911\uc694\ud55c \ud30c\ub77c\ubbf8\ud130\uc640 \ud568\uaed8 \uc791\ub3d9\ud569\ub2c8\ub2e4. <strong>Ie<\/strong> (\uc815\uaca9 \uc791\ub3d9 \uc804\ub958) \ubc0f <strong>\uc0ac\uc6a9 \ubc94\uc8fc<\/strong> (\ubaa8\ud130\uc758 \uacbd\uc6b0 AC-3, \ud63c\ud569 \ubd80\ud558\uc758 \uacbd\uc6b0 AC-23 \ub4f1). \uc774 \uc138 \uac00\uc9c0 \uc0ac\uc591\uc740 \ud568\uaed8 \uc7a5\uce58\uc758 \uc791\ub3d9 \uc131\ub2a5 \ubc94\uc704\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<h3>Ue\uc758 \uc2e4\uc81c \ud14c\uc2a4\ud2b8<\/h3>\n<p>Ue\ub294 \ud2b9\uc815 \ub3c5\ub9bd\ud615 \ud14c\uc2a4\ud2b8 \uc804\uc555\uc5d0 \ud574\ub2f9\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub300\uc2e0 \uc131\ub2a5 \ud14c\uc2a4\ud2b8\ub97c \uc704\ud55c \uae30\uc900 \uc804\uc555\uc744 \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc791\ub3d9 \ub0b4\uad6c\uc131 \ud14c\uc2a4\ud2b8<\/strong>: \uc7a5\ube44\ub294 \uace0\uc7a5 \uc5c6\uc774 Ue\uc5d0\uc11c \uc815\uaca9 \uc791\ub3d9 \uc8fc\uae30(\uc815\uaca9 \uc804\ub958\uc758 \ud22c\uc785 \ubc0f \ucc28\ub2e8)\ub97c \uc644\ub8cc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc628\ub3c4 \uc0c1\uc2b9 \uac80\uc99d<\/strong>: \uc815\uaca9 \uc804\ub958 \ubc0f \uc791\ub3d9 \uc804\uc555\uc5d0\uc11c \uc7a5\uce58 \uc628\ub3c4\ub294 \uc81c\ud55c \ubc94\uc704 \ub0b4\uc5d0 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc131\ub2a5 \uc870\uc815<\/strong>: \uc81c\uc870\uc5c5\uccb4\ub294 \ud2b9\uc815 Ue \uac12\uc5d0\uc11c \uc804\ub958 \uc2a4\uc704\uce6d \uae30\ub2a5, \ub2e8\ub77d \uc131\ub2a5 \ubc0f \uc870\uc815 \ub370\uc774\ud130\ub97c \uc120\uc5b8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>Ie 95A\uc778 Ue 400V AC-3 \uc815\uaca9\uc758 \uc811\ucd09\uae30\uc758 \uacbd\uc6b0, 400V\uc5d0\uc11c 95A \uc720\ub3c4\uc131 \ubaa8\ud130 \ubd80\ud558\ub97c \uc120\uc5b8\ub41c \uae30\uacc4\uc801 \ubc0f \uc804\uae30\uc801 \ub0b4\uad6c\uc131\uc744 \uc704\ud574 \uc2a4\uc704\uce6d\ud558\ub3c4\ub85d \ud14c\uc2a4\ud2b8\ub418\uc5c8\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc0b0\uc5c5 \uc7a5\ube44\uc758 \uc77c\ubc18\uc801\uc778 Ue \uac12<\/h3>\n<p>\ud45c\uc900 Ue \uc815\uaca9\uc740 \uc77c\ubc18\uc801\uc778 \uc2dc\uc2a4\ud15c \uc804\uc555\uc744 \ub530\ub985\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>230V \/ 240V AC<\/strong>: \ub2e8\uc0c1 \uc720\ub7fd \ubc0f \uad6d\uc81c \uc2dc\uc2a4\ud15c<\/li>\n<li><strong>400V \/ 415V AC<\/strong>: 3\uc0c1 \uc720\ub7fd, \uc544\uc2dc\uc544 \ubc0f \ub9ce\uc740 \uc0b0\uc5c5 \uc2dc\uc2a4\ud15c<\/li>\n<li><strong>480V AC<\/strong>: \ubd81\ubbf8 3\uc0c1 \uc0b0\uc5c5 \uc2dc\uc2a4\ud15c<\/li>\n<li><strong>690V AC<\/strong>: \uace0\uc804\uc555 \uc0b0\uc5c5 \uc751\uc6a9 \ubd84\uc57c, \uad11\uc0b0 \uc7a5\ube44<\/li>\n<li><strong>24V \/ 48V \/ 110V DC<\/strong>: \uc81c\uc5b4 \ud68c\ub85c, \uc790\ub3d9\ud654 \uc2dc\uc2a4\ud15c, \ubc30\ud130\ub9ac \ubc31\uc5c5 \uc124\uce58<\/li>\n<\/ul>\n<p>\uc120\uc5b8\ub41c Ue\uac00 \uc2dc\uc2a4\ud15c\uc758 \uacf5\uce6d \uc804\uc555\uacfc \uc77c\uce58\ud558\uac70\ub098 \ucd08\uacfc\ud558\ub294 \uc7a5\ube44\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. Ue 690V \uc815\uaca9\uc758 \uc7a5\uce58\ub294 400V \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc791\ub3d9\ud560 \uc218 \uc788\uc9c0\ub9cc(\uc804\uc555\uc5d0 \ub300\ud574 \uacfc\ub300 \ud3c9\uac00\ub428), Ue 230V \uc815\uaca9\uc758 \uc7a5\uce58\ub294 400V \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4(\uacfc\uc18c \uc0ac\uc591).<\/p>\n<h3>Ue-Ie-\ubc94\uc8fc \uad00\uacc4<\/h3>\n<p>Ue\ub294 \uc808\ub300 \ub2e8\ub3c5\uc73c\ub85c \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. MCCB\ub294 \ud504\ub808\uc784 \ud06c\uae30 \ubc0f \uc5f4 \ud2b8\ub9bd \uc124\uc815\uc5d0 \ub530\ub77c \uc5ec\ub7ec Ie \uc815\uaca9(40A, 63A, 100A)\uacfc \ud568\uaed8 Ue 400V\ub97c \ud45c\uc2dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc811\ucd09\uae30\ub294 \uc11c\ub85c \ub2e4\ub978 Ue \uc218\uc900\uc5d0\uc11c \uc11c\ub85c \ub2e4\ub978 Ie \uac12\uc744 \ub098\uc5f4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 Ue 400V\uc5d0\uc11c Ie 95A\uc774\uc9c0\ub9cc Ue 690V\uc5d0\uc11c\ub294 Ie 80A\ub9cc \ud574\ub2f9\ub429\ub2c8\ub2e4. \uc774\ub294 \uc804\uc555\uc774 \ub192\uc744\uc218\ub85d \uc544\ud06c \ucc28\ub2e8 \uc911\uc5d0 \uc811\uc810\uc5d0 \uc2a4\ud2b8\ub808\uc2a4\uac00 \uac00\ud574\uc9c0\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<p>\ud56d\uc0c1 \uc138 \uac00\uc9c0 \uc0ac\uc591\uc744 \ubaa8\ub450 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uc804\uc555\uc5d0 \ub300\ud574 \uc815\uaca9\uc774 \uc9c0\uc815\ub418\uc5c8\uc9c0\ub9cc \uc798\ubabb\ub41c \uc0ac\uc6a9 \ubc94\uc8fc\uc758 \uc7a5\uce58\ub294 Ue\uac00 \uc644\ubcbd\ud558\uac8c \uc77c\uce58\ud558\ub354\ub77c\ub3c4 \uace0\uc7a5\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/img.viox.com\/mccb-operational-voltage-application-example-showing-steady-state-ac-waveform.webp\" alt=\"MCCB operational voltage application example showing steady-state AC waveform\" \/><figcaption><em>\uadf8\ub9bc 2: \ucee8\ud14d\uc2a4\ud2b8\uc5d0\uc11c Ue(\uc815\uaca9 \uc791\ub3d9 \uc804\uc555). \uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uc2dc\uc2a4\ud15c \uacf5\uce6d \uc804\uc555\uc5d0\uc11c \uc815\uc0c1\uc801\uc778 50\/60Hz AC \uc791\ub3d9\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. Ue\ub294 \uc7a5\ube44\uac00 \uc5f0\uc18d\uc801\uc778 \uc815\uc0c1 \uc0c1\ud0dc \uc870\uac74\uc5d0\uc11c \uc815\uaca9 \uc2a4\uc704\uce6d \ubc0f \ub0b4\uad6c\uc131 \uae30\ub2a5\uc744 \uc218\ud589\ud558\ub294 \uc804\uc555\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/em><\/figcaption><\/figure>\n<h2>Ui(\uc815\uaca9 \uc808\uc5f0 \uc804\uc555)\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>\n<p><strong>Ui<\/strong> \uc774\ub2e4 <strong>\uc815\uaca9 \uc808\uc5f0 \uc804\uc555<\/strong>\uc740 \uc720\uc804\uccb4 \ud14c\uc2a4\ud2b8 \uc218\uc900 \ubc0f \ucd5c\uc18c \uc5f0\uba74 \uac70\ub9ac\ub97c \uacb0\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc804\uc555 \uae30\uc900\uc785\ub2c8\ub2e4. \uc791\ub3d9 \uc131\ub2a5\uc744 \uc124\uba85\ud558\ub294 Ue\uc640 \ub2ec\ub9ac Ui\ub294 \uc7a5\ube44\uc758 \uc808\uc5f0 \uae30\ub2a5\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \uc774\ub294 \ud5c8\uc6a9 \uac00\ub2a5\ud55c \uc791\ub3d9 \uc804\uc555\uc774 \uc544\ub2c8\ub77c \uc801\uc808\ud55c \uc808\uc5f0 \uac15\ub3c4\ub97c \ubcf4\uc7a5\ud558\ub294 \uc124\uacc4 \uae30\uc900\uc785\ub2c8\ub2e4.<\/p>\n<p>\uae30\ubcf8 \uaddc\uce59: <strong>Ue\ub294 Ui\ub97c \ucd08\uacfc\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/strong>. \uc7a5\ube44 \ub370\uc774\ud130\uc2dc\ud2b8\ub294 \uc774 \uad00\uacc4\ub97c \uba85\uc2dc\uc801\uc73c\ub85c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. Ue 400V \uc815\uaca9\uc758 \uc811\ucd09\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c Ui 690V \ub610\ub294 800V\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4. \uc774\ub294 690V \ub610\ub294 800V \uc2a4\ud2b8\ub808\uc2a4 \uc218\uc900\uc5d0 \ub9de\uac8c \uc124\uacc4\ub41c \uc808\uc5f0\uc744 \uc720\uc9c0\ud558\uba74\uc11c \ucd5c\ub300 400V\uc758 \uc804\uc555\uc5d0\uc11c \uc791\ub3d9\ud560 \uc218 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h3>Ui\uc758 \uc2e4\uc81c \ud14c\uc2a4\ud2b8: \uc720\uc804 \uac15\ub3c4<\/h3>\n<p>Ui\ub294 <strong>\uc804\uc6d0 \uc8fc\ud30c\uc218 \uc720\uc804 \ub0b4\uc804\uc555 \ud14c\uc2a4\ud2b8<\/strong> \uc804\uc555\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774 \ud14c\uc2a4\ud2b8\ub294 \uc808\uc5f0\uc774 \ud30c\uad34 \uc5c6\uc774 \uc9c0\uc18d\uc801\uc778 \uc804\uae30\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uacac\ub51c \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud14c\uc2a4\ud2b8 \uc804\uc555<\/strong>: \uc77c\ubc18\uc801\uc73c\ub85c Ui \u2264 690V\uc778 \uc7a5\ube44\uc758 \uacbd\uc6b0 2 \u00d7 Ui + 1000V(IEC 60947-1\uc5d0 \ub530\ub984)<\/li>\n<li><strong>\ud14c\uc2a4\ud2b8 \uae30\uac04<\/strong>: 60\ucd08(1\ubd84 \ub3d9\uc548 \uc9c0\uc18d\ub418\ub294 AC \uc804\uc555)<\/li>\n<li><strong>\ud14c\uc2a4\ud2b8 \uc8fc\ud30c\uc218<\/strong>: 50Hz \ub610\ub294 60Hz AC(\uc804\uc6d0 \uc8fc\ud30c\uc218)<\/li>\n<li><strong>\ud1b5\uacfc \uae30\uc900<\/strong>: \ud30c\uad34\uc801\uc778 \ubc29\uc804 \uc5c6\uc74c, \ud30c\uad34 \uc5c6\uc74c, \uc9c0\uc815\ub41c \uc81c\ud55c \ub0b4\uc758 \uc5f0\uba74 \uc804\ub958<\/li>\n<\/ul>\n<p>\uc608\ub97c \ub4e4\uc5b4 Ui 690V \uc815\uaca9\uc758 \ub2e8\uc790\ub300\ub294 \uc57d 2,380V AC\uc5d0\uc11c 1\ubd84 \ub3d9\uc548 \uc720\uc804\uccb4 \ud14c\uc2a4\ud2b8\ub97c \uac70\uce69\ub2c8\ub2e4. \uc774\ub294 \uc218\ub144\uac04\uc758 \uc808\uc5f0 \ub178\ud654 \ubc0f \uc2a4\ud2b8\ub808\uc2a4\ub97c \ub2e8\uc77c \uc81c\uc5b4 \ud14c\uc2a4\ud2b8\ub85c \uc555\ucd95\ud55c \uac83\uc744 \uc2dc\ubbac\ub808\uc774\uc158\ud569\ub2c8\ub2e4.<\/p>\n<h3>Ui\uac00 Ue\ub97c \ucd08\uacfc\ud558\ub294 \uc774\uc720: \uc548\uc804 \ub9c8\uc9c4<\/h3>\n<p>\uc804\uae30 \uc7a5\ube44\ub294 \uacf5\uce6d \uc218\uc900 \uc774\uc0c1\uc758 \uc804\uc555 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uacbd\ud5d8\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uacfc\ub3c4 \uacfc\uc804\uc555<\/strong>: \uc2a4\uc704\uce6d \uc11c\uc9c0, \ucee4\ud328\uc2dc\ud130 \ubc45\ud06c \uc791\ub3d9<\/li>\n<li><strong>\uc2dc\uc2a4\ud15c \uc804\uc555 \ubcc0\ub3d9<\/strong>: \uadf8\ub9ac\ub4dc \ubcc0\ub3d9, \ubc1c\uc804\uae30 \uc870\uc815 \ubb38\uc81c<\/li>\n<li><strong>\uc808\uc5f0 \ub178\ud654<\/strong>: \uc2b5\uae30, \uc624\uc5fc, \uc5f4 \uc21c\ud658\uc740 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uc808\uc5f0\uc744 \uc800\ud558\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc548\uc804 \ub9c8\uc9c4<\/strong>: IEC \ud45c\uc900\uc740 \uc791\ub3d9 \uc804\uc555\ubcf4\ub2e4 \ub192\uc740 \uc2a4\ud2b8\ub808\uc2a4\uc5d0 \uacac\ub51c \uc218 \uc788\ub3c4\ub85d \uc124\uacc4\ub41c \uc808\uc5f0\uc744 \uc694\uad6c\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>400V \uc2dc\uc2a4\ud15c\uc740 \uc9c0\uc18d\uc801\uc73c\ub85c \uc815\ud655\ud788 400V\ub97c \uc720\uc9c0\ud558\ub294 \uacbd\uc6b0\uac00 \ub4dc\ubb45\ub2c8\ub2e4. \uc815\uc0c1\uc801\uc778 \uc870\uac74\uc5d0\uc11c \uc804\uc555\uc740 \u00b110% \ubcc0\ub3d9\ub420 \uc218 \uc788\uc73c\uba70, \uacfc\ub3c4 \ud604\uc0c1\uc73c\ub85c \uc778\ud574 \ub354 \ub192\uc544\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Ui\uac00 Ue\ubcf4\ub2e4 \uc0c1\ub2f9\ud788 \ub192\uc740 \uc7a5\ube44\ub97c \uc9c0\uc815\ud558\uba74 \uc7a5\ube44\uc758 \uc218\uba85 \ub3d9\uc548 \uc808\uc5f0 \ubb34\uacb0\uc131\uc774 \ubcf4\uc7a5\ub429\ub2c8\ub2e4.<\/p>\n<h3>Ui \ubc0f \uc5f0\uba74 \uac70\ub9ac \uc694\uad6c \uc0ac\ud56d<\/h3>\n<p>Ui\ub294 \ucd5c\uc18c\uac12\uc744 \uc9c1\uc811 \uacb0\uc815\ud569\ub2c8\ub2e4. <strong>\uc5f0\uba74 \uac70\ub9ac<\/strong>\u2014\uc808\uc5f0 \ud45c\uba74\uc744 \ub530\ub77c \uce21\uc815\ub41c \uc804\ub3c4\uc131 \ubd80\ud488 \uc0ac\uc774\uc758 \ucd5c\ub2e8 \uacbd\ub85c\uc785\ub2c8\ub2e4. IEC 60664-1 \ud45c\ub294 \ub2e4\uc74c\uc744 \uae30\uc900\uc73c\ub85c \ud544\uc694\ud55c \uc5f0\uba74 \uac70\ub9ac\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc815\uaca9 \uc808\uc5f0 \uc804\uc555(Ui)<\/strong><\/li>\n<li><strong>\uc624\uc5fc \uc815\ub3c4<\/strong> (\uc624\uc5fc \uc218\uc900: \uccad\uacb0, \ubcf4\ud1b5, \uc804\ub3c4\uc131)<\/li>\n<li><strong>\uc808\uc5f0 \uc7ac\ub8cc \uadf8\ub8f9<\/strong> (\ud2b8\ub798\ud0b9 \uc800\ud56d: I, II, IIIa, IIIb)<\/li>\n<\/ul>\n<p>Ui\uac00 \ub192\uc744\uc218\ub85d \ub354 \ud070 \uc5f0\uba74 \uac70\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. Ui 1000V\uc6a9 \ub2e8\uc790\ub300\ub294 Ui 400V \ube14\ub85d\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \ub9ce\uc740 \uac04\uaca9\uc774 \ud544\uc694\ud558\uba70, \ub458 \ub2e4 \ub3d9\uc77c\ud55c 400V \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc791\ub3d9\ud558\ub354\ub77c\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc785\ub2c8\ub2e4. \uc774\ub294 \ubb3c\ub9ac\uc801 \ud06c\uae30 \ubc0f \ub2e8\uc790 \ubc00\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<h3>\uc77c\ubc18\uc801\uc778 Ui \uac12<\/h3>\n<p>\uc800\uc804\uc555 \uc7a5\ube44\uc758 \ud45c\uc900 Ui \uc815\uaca9:<\/p>\n<ul>\n<li><strong>300V<\/strong>: \uacbd\ubd80\ud558 \uc81c\uc5b4 \uad6c\uc131 \uc694\uc18c, \uc800\uc804\uc555 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/li>\n<li><strong>500V \/ 690V<\/strong>: 400V\/480V \uc2dc\uc2a4\ud15c\uc758 \uc0b0\uc5c5\uc6a9 MCCB, \uc811\ucd09\uae30, \ub9b4\ub808\uc774\uc5d0 \uac00\uc7a5 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>800V \/ 1000V<\/strong>: \uae4c\ub2e4\ub85c\uc6b4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158, \ud655\uc7a5\ub41c \uc804\uc555 \ubc94\uc704 \ucee4\ubc84\ub9ac\uc9c0\ub97c \uc704\ud55c \ub354 \ub192\uc740 \uc808\uc5f0<\/li>\n<\/ul>\n<p>\uc120\ud0dd\ud55c \uc7a5\ube44\uac00 \uc608\uc0c1\ub418\ub294 \ucd5c\ub300 \uc2dc\uc2a4\ud15c \uc804\uc555\ubcf4\ub2e4 Ui \u2265\uc778\uc9c0 \ud56d\uc0c1 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. 480V \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 Ui 500V \uad6c\uc131 \uc694\uc18c\ub97c \uc120\ud0dd\ud558\uba74 \ucd5c\uc18c\ud55c\uc758 \ub9c8\uc9c4\uc774 \uc81c\uacf5\ub429\ub2c8\ub2e4. Ui 690V \ub610\ub294 800V\ub294 \ub354 \ub098\uc740 \uc7a5\uae30\uc801 \uc2e0\ub8b0\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2>Uimp(\uc815\uaca9 \uc784\ud384\uc2a4 \ub0b4\uc804\uc555)\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>\n<p><strong>Uimp<\/strong> \uc774\ub2e4 <strong>\uc815\uaca9 \uc784\ud384\uc2a4 \ub0b4\uc804\uc555<\/strong>\u2014\uc7a5\ube44\uac00 \uc808\uc5f0 \ud30c\uad34 \uc5c6\uc774 \ud45c\uc900\ud654\ub41c \uacfc\ub3c4 \uacfc\uc804\uc555 \uc784\ud384\uc2a4\ub97c \ubc1b\uc744 \ub54c \uacac\ub51c \uc218 \uc788\ub294 \ucd5c\ub300 \uc804\uc555 \uac12\uc785\ub2c8\ub2e4. Ui\ub294 \uc804\uc6d0 \uc8fc\ud30c\uc218 \uc720\uc804 \uac15\ub3c4\ub97c \ud14c\uc2a4\ud2b8\ud558\ub294 \ubc18\uba74, Uimp\ub294 \ub099\ub8b0, \uc2a4\uc704\uce6d \uc774\ubca4\ud2b8 \ubc0f \uadf8\ub9ac\ub4dc \uc7a5\uc560\ub85c \uc778\ud55c \ube60\ub974\uace0 \ub192\uc740 \uc5d0\ub108\uc9c0 \uc11c\uc9c0\ub97c \uacac\ub51c \uc218 \uc788\ub294 \uc7a5\ube44\uc758 \ub2a5\ub825\uc744 \uac80\uc99d\ud569\ub2c8\ub2e4.<\/p>\n<p>Uimp\ub294 \ud0ac\ub85c\ubcfc\ud2b8(kV) \ud53c\ud06c\ub85c \ud45c\uc2dc\ub418\uba70 \ud45c\uc900\ud654\ub41c \uc784\ud384\uc2a4 \ud30c\ud615\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. <strong>1.2\/50 \u03bcs<\/strong> (\ud53c\ud06c\uae4c\uc9c0 1.2\ub9c8\uc774\ud06c\ub85c\ucd08 \uc0c1\uc2b9 \uc2dc\uac04, \ubc18\uac12\uae4c\uc9c0 50\ub9c8\uc774\ud06c\ub85c\ucd08 \uac10\uc1e0). \uc774 \ud30c\ud615\uc740 \ub099\ub8b0 \uc720\ub3c4 \uc11c\uc9c0 \ubc0f \uc2a4\uc704\uce6d \uacfc\ub3c4 \ud604\uc0c1\uc758 \uc804\uae30\uc801 \ud2b9\uc9d5\uc744 \uc2dc\ubbac\ub808\uc774\uc158\ud569\ub2c8\ub2e4.<\/p>\n<h3>Uimp\uac00 \uc2e4\uc81c\ub85c \ud14c\uc2a4\ud2b8\ud558\ub294 \uac83: \uc11c\uc9c0 \ub0b4\uc131<\/h3>\n<p>\uc784\ud384\uc2a4 \ub0b4\uc804\uc555 \ud14c\uc2a4\ud2b8\ub294 \uc7a5\ube44\uc5d0 \uace0\uc804\uc555 \uacfc\ub3c4 \ud384\uc2a4\ub97c \uac00\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud14c\uc2a4\ud2b8 \ud30c\ud615<\/strong>: 1.2\/50 \u03bcs \uc804\uc555 \uc784\ud384\uc2a4(\ud45c\uc900 IEC \ubaa8\uc591)<\/li>\n<li><strong>\ud14c\uc2a4\ud2b8 \uc804\uc555<\/strong>: \uc7a5\ube44\uc758 \uc120\uc5b8\ub41c Uimp(6 kV, 8 kV, 12 kV \ub4f1)<\/li>\n<li><strong>\ud14c\uc2a4\ud2b8 \uc808\ucc28<\/strong>: \uc591\uadf9\uc131(\uc591\uc218 \ubc0f \uc74c\uc218)\uc73c\ub85c \uc801\uc6a9\ub418\ub294 \ub2e4\uc911 \uc784\ud384\uc2a4<\/li>\n<li><strong>\uc784\ud384\uc2a4 \uac04 \uac04\uaca9<\/strong>: \ucd5c\uc18c 1\ucd08<\/li>\n<li><strong>\ud1b5\uacfc \uae30\uc900<\/strong>: \uc12c\ub77d \uc5c6\uc74c, \uc808\uc5f0 \ud30c\uad34 \uc5c6\uc74c, \uac04\uaca9 \uc800\ud558 \uc5c6\uc74c<\/li>\n<\/ul>\n<p>Uimp 8 kV\ub85c \uc815\uaca9\ub41c \ud68c\ub85c \ucc28\ub2e8\uae30\uc758 \uacbd\uc6b0 \ud14c\uc2a4\ud2b8 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ub0b4\ubd80 \uac04\uaca9 \ubc0f \uc808\uc5f0\uc774 \uace0\uc7a5 \uc5c6\uc774 \uc774\ub7ec\ud55c \uacfc\ub3c4 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uacac\ub51c \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 8,000\ubcfc\ud2b8 \ud53c\ud06c \uc784\ud384\uc2a4\ub97c \ubc18\ubcf5\uc801\uc73c\ub85c \uc801\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uacfc\uc804\uc555 \ubc94\uc8fc \uc5f0\uacb0<\/h3>\n<p>Uimp \uac12\uc740 \uc784\uc758\uc801\uc774\uc9c0 \uc54a\uc73c\uba70, <strong>\uacfc\uc804\uc555 \ubc94\uc8fc<\/strong> IEC 60664-1\uc5d0 \uc815\uc758\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc94\uc8fc\ub294 \uacfc\ub3c4 \uacfc\uc804\uc555\uc5d0 \ub300\ud55c \ub178\ucd9c\uc5d0 \ub530\ub77c \uc124\uce58\ub97c \ubd84\ub958\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uce74\ud14c\uace0\ub9ac I<\/strong>: \uacfc\ub3c4 \ub178\ucd9c\uc774 \uac10\uc18c\ub41c \uc7a5\ube44(\ubcf4\ud638\ub41c \uc804\uc790 \ud68c\ub85c)<\/li>\n<li><strong>\uce74\ud14c\uace0\ub9ac II<\/strong>: \uac00\uc804 \uc81c\ud488 \ubc0f \ud734\ub300\uc6a9 \uc7a5\ube44(\uc77c\ubc18\uc801\uc778 \uc8fc\uac70 \ubd80\ud558)<\/li>\n<li><strong>\uce74\ud14c\uace0\ub9ac III<\/strong>: \uace0\uc815 \uc124\uce58(\ubc30\uc804\ubc18, \uc0b0\uc5c5 \uae30\uacc4)<\/li>\n<li><strong>\uce74\ud14c\uace0\ub9ac IV<\/strong>: \uc124\uce58 \uc6d0\uc810(\uc11c\ube44\uc2a4 \uc785\uad6c, \uc720\ud2f8\ub9ac\ud2f0 \ubbf8\ud130, \uac00\uacf5\uc120)<\/li>\n<\/ul>\n<p>\ubc94\uc8fc\uac00 \ub192\uc744\uc218\ub85d \ub354 \uc2ec\uac01\ud55c \uacfc\ub3c4 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. IEC 60664-1 \ud45c\ub294 \uc2dc\uc2a4\ud15c \uacf5\uce6d \uc804\uc555\uc744 \uac01 \ubc94\uc8fc\uc5d0 \ud544\uc694\ud55c \uc784\ud384\uc2a4 \ub0b4\uc804\uc555 \uc218\uc900\uc5d0 \ub9e4\ud551\ud569\ub2c8\ub2e4. 400V 3\uc0c1 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0:<\/p>\n<ul>\n<li><strong>\uce74\ud14c\uace0\ub9ac II<\/strong>: Uimp 2.5 kV \uc77c\ubc18\uc801<\/li>\n<li><strong>\uce74\ud14c\uace0\ub9ac III<\/strong>: Uimp 6 kV \uc77c\ubc18\uc801<\/li>\n<li><strong>\uce74\ud14c\uace0\ub9ac IV<\/strong>: Uimp 8 kV \uc77c\ubc18\uc801<\/li>\n<\/ul>\n<p>\uace0\uc815 \ubc30\uc804 \uc2dc\uc2a4\ud15c(\ubc94\uc8fc III)\uc5d0 \uc124\uce58\ub41c \uc0b0\uc5c5 \uc7a5\ube44\ub294 \ub3d9\uc77c\ud55c \uacf5\uce6d \uc804\uc555\uc5d0\uc11c \uc791\ub3d9\ud558\ub354\ub77c\ub3c4 \ubcbd\uba74 \ucf58\uc13c\ud2b8\uc5d0 \uc5f0\uacb0\ub41c \uac00\uc804 \uc81c\ud488(\ubc94\uc8fc II)\ubcf4\ub2e4 \ub354 \ub192\uc740 Uimp\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc0b0\uc5c5 \uc7a5\ube44\uc758 \uc77c\ubc18\uc801\uc778 Uimp \uac12<\/h3>\n<p>\uc800\uc804\uc555 \uac1c\ud3d0 \uc7a5\uce58 \ubc0f \uc81c\uc5b4 \uc7a5\ube44\uc758 \ud45c\uc900 Uimp \uc815\uaca9:<\/p>\n<ul>\n<li><strong>4 kV<\/strong>: \ud558\uc704 \ubc94\uc8fc \uc560\ud50c\ub9ac\ucf00\uc774\uc158, \uc8fc\uac70\uc6a9 \uc7a5\ube44<\/li>\n<li><strong>6 kV<\/strong>: \uac00\uc815\/\uc8fc\uac70\uc6a9 MCCB, \ubc94\uc8fc II\/III \uc7a5\ube44\uc5d0 \uc77c\ubc18\uc801<\/li>\n<li><strong>8 kV<\/strong>: \uc0b0\uc5c5\uc6a9 MCCB, \uc811\ucd09\uae30, \ubc94\uc8fc III\/IV \uace0\uc815 \uc124\uce58\uc5d0 \ub300\ud55c \ud45c\uc900<\/li>\n<li><strong>12 kV<\/strong>: \uae4c\ub2e4\ub85c\uc6b4 \uc0b0\uc5c5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158, \uc720\ud2f8\ub9ac\ud2f0 \ub4f1\uae09 \uc7a5\ube44, \ub178\ucd9c\uc774 \uc2ec\ud55c \uc704\uce58<\/li>\n<\/ul>\n<p>\uc7a5\ube44 \ub370\uc774\ud130\uc2dc\ud2b8\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc758\ub3c4\ub41c \uc124\uce58 \ubc94\uc8fc\uc5d0 \ud574\ub2f9\ud558\ub294 Uimp \uac12\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc0b0\uc5c5 \ub4f1\uae09 \uad6c\uc131 \uc694\uc18c\ub294 \uae30\ubcf8\uc801\uc73c\ub85c 8 kV \uc774\uc0c1\uc778 \ubc18\uba74, \uc8fc\uac70\uc6a9 \uc81c\ud488\uc740 4-6 kV\ub97c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>Uimp\uac00 \uc911\uc694\ud55c \uc774\uc720: \uc2e4\uc81c \uc11c\uc9c0 \uc774\ubca4\ud2b8<\/h3>\n<p>\uc804\uae30 \uc2dc\uc2a4\ud15c\uc740 \uc815\uae30\uc801\uc73c\ub85c \uacfc\ub3c4 \uacfc\uc804\uc555\uc5d0 \uc9c1\uba74\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ubc88\uac1c\uac00 \uce58\ub2e4<\/strong>: \uc9c1\uc811 \ub610\ub294 \uc778\uadfc \ub099\ub8b0\ub294 \ubc30\uc804 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uace0\uc804\uc555 \uc11c\uc9c0\ub97c \uc720\ub3c4\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2a4\uc704\uce6d \uc791\uc5c5<\/strong>: \ub300\ud615 \ubd80\ud558, \ucf58\ub374\uc11c \ubc45\ud06c \ub610\ub294 \ubcc0\uc555\uae30\uc758 \uac1c\ud3d0\ub294 \uc804\uc555 \uc2a4\ud30c\uc774\ud06c\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uadf8\ub9ac\ub4dc \uacb0\ud568<\/strong>: \uace0\uc7a5 \uc81c\uac70 \ubc0f \uc7ac\ud3d0\ub85c \uc791\uc5c5\uc740 \uacfc\ub3c4 \ud604\uc0c1\uc744 \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ubaa8\ud130 \uae30\ub3d9<\/strong>: \uc720\ub3c4\uc131 \ubd80\ud558 \uc2a4\uc704\uce6d\uc740 \uad6d\ubd80\uc801\uc778 \uc804\uc555 \uc2a4\ud30c\uc774\ud06c\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>Uimp\uac00 \ubd80\uc801\uc808\ud55c \uc7a5\ube44\ub294 \uc608\uce21\ud560 \uc218 \uc5c6\uc774 \uace0\uc7a5\ub0a9\ub2c8\ub2e4. \ub54c\ub85c\ub294 \ub099\ub8b0 \ud6c4 \uc989\uc2dc, \ub54c\ub85c\ub294 \ub204\uc801\ub41c \uc11c\uc9c0 \uc190\uc0c1\uc73c\ub85c \uc778\ud574 \uc808\uc5f0\uc774 \uc218\uac1c\uc6d4\uc5d0 \uac78\uccd0 \uc57d\ud654\ub41c \ud6c4\uc5d0 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc801\uc808\ud55c Uimp \uc0ac\uc591\uc740 \uc7a5\ube44\uac00 \uc124\uce58 \uc704\uce58 \ubc0f \ubc94\uc8fc\uc5d0 \ud2b9\uc815\ud55c \uacfc\ub3c4 \ud658\uacbd\uc5d0\uc11c \uc0dd\uc874\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/img.viox.com\/ui-vs-uimp-testing-comparison-showing-different-test-methods-and-waveforms.webp\" alt=\"Ui vs Uimp testing comparison showing different test methods and waveforms\" \/><figcaption><em>\uadf8\ub9bc 3: Ui\uc640 Uimp \uac04\uc758 \ud14c\uc2a4\ud2b8 \ubc29\ubc95 \ube44\uad50. Ui \ud14c\uc2a4\ud2b8\ub294 \uc804\ub825 \uc8fc\ud30c\uc218 \uc720\uc804 \uac15\ub3c4\ub97c \uac80\uc99d\ud558\uae30 \uc704\ud574 60\ucd08 \ub3d9\uc548 \uc9c0\uc18d\uc801\uc778 50\/60Hz AC \uc804\uc555\uc744 \uc801\uc6a9\ud569\ub2c8\ub2e4. Uimp \ud14c\uc2a4\ud2b8\ub294 \uacfc\ub3c4 \ub0b4\uc131 \uae30\ub2a5\uc744 \uac80\uc99d\ud558\uae30 \uc704\ud574 \ube60\ub978 1.2\/50 \u03bcs \uc784\ud384\uc2a4 \uc11c\uc9c0\ub97c \uc801\uc6a9\ud569\ub2c8\ub2e4. \uac01 \ub4f1\uae09\uc740 \uadfc\ubcf8\uc801\uc73c\ub85c \ub2e4\ub978 \uc804\uae30\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub97c \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4.<\/em><\/figcaption><\/figure>\n<h2>\uc8fc\uc694 \ucc28\uc774\uc810: Ue vs Ui vs Uimp<\/h2>\n<p>\uc774 \uc138 \uac00\uc9c0 \uc804\uc555 \ub4f1\uae09\uc740 \uadfc\ubcf8\uc801\uc73c\ub85c \ub2e4\ub978 \uc804\uae30\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uce21\uc815\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucc28\uc774\uc810\uc744 \uc774\ud574\ud558\uba74 \uc0ac\uc591 \uc624\ub958\ub97c \ubc29\uc9c0\ud558\uace0 \uc7a5\ube44\ub97c \uc2e4\uc81c \uc791\ub3d9 \uc870\uac74\uc5d0 \ub9de\ucd94\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h3>\uc791\ub3d9 vs. \uc808\uc5f0 vs. \uc11c\uc9c0: \ub2e4\ub978 \uc9c8\ubb38<\/h3>\n<p>\uac01 \ub4f1\uae09\uc740 \ud2b9\uc815 \uc124\uacc4 \uc9c8\ubb38\uc5d0 \ub300\ud55c \ub2f5\ubcc0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>Ue (\uc791\ub3d9 \uc804\uc555)<\/strong>: \u201c\uc774 \uc7a5\uce58\ub294 \uc815\uc0c1\uc801\uc778 \uc5f0\uc18d \uc870\uac74\uc5d0\uc11c \uc5b4\ub5a4 \uc2dc\uc2a4\ud15c \uc804\uc555\uc73c\ub85c \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?\u201d<\/li>\n<li><strong>Ui (\uc808\uc5f0 \uc804\uc555)<\/strong>: \u201c\uc5b4\ub5a4 \uc804\uc555 \uae30\uc900\uc774 \uc774 \uc7a5\uce58\uc758 \uc808\uc5f0 \uac15\ub3c4 \ubc0f \uc5f0\uba74 \uac70\ub9ac\ub97c \uacb0\uc815\ud569\ub2c8\uae4c?\u201d<\/li>\n<li><strong>Uimp (\uc784\ud384\uc2a4 \ub0b4\uc804\uc555)<\/strong>: \u201c\uc774 \uc7a5\uce58\ub294 \uc808\uc5f0 \ud30c\uad34 \uc5c6\uc774 \uc5b4\ub5a4 \ud53c\ud06c \uacfc\ub3c4 \uc804\uc555\uc744 \uacac\ub51c \uc218 \uc788\uc2b5\ub2c8\uae4c?\u201d<\/li>\n<\/ul>\n<p>\uc774\ub294 \uc0c1\ud638 \ubcf4\uc644\uc801\uc774\uba70 \ub300\uccb4\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. Ui\ub97c Ue\ub85c \ub300\uccb4\ud560 \uc218 \uc5c6\uc73c\uba70 \ub192\uc740 Uimp\uac00 \ubd80\uc801\uc808\ud55c Ue\ub97c \ubcf4\uc0c1\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc138 \uac00\uc9c0 \ubaa8\ub450 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc694\uad6c \uc0ac\ud56d\uacfc \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>\ud14c\uc2a4\ud2b8 \ubc29\ubc95 \ucc28\uc774\uc810<\/h3>\n<table>\n<tbody>\n<tr>\n<td><strong>\ud3c9\uac00<\/strong><\/td>\n<td><strong>\ud14c\uc2a4\ud2b8 \uc720\ud615<\/strong><\/td>\n<td><strong>\ud14c\uc2a4\ud2b8 \uc804\uc555<\/strong><\/td>\n<td><strong>\uc9c0\uc18d<\/strong><\/td>\n<td><strong>\uac80\uc99d \ub0b4\uc6a9<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Ue<\/strong><\/td>\n<td>\uc791\ub3d9 \uc131\ub2a5 \ud14c\uc2a4\ud2b8<\/td>\n<td>\uc2dc\uc2a4\ud15c \uacf5\uce6d \uc804\uc555<\/td>\n<td>\uc218\ucc9c \uc0ac\uc774\ud074<\/td>\n<td>\uc2a4\uc704\uce6d \uae30\ub2a5, \ub0b4\uad6c\uc131, \uc628\ub3c4 \uc0c1\uc2b9<\/td>\n<\/tr>\n<tr>\n<td><strong>Ui<\/strong><\/td>\n<td>\uc804\ub825 \uc8fc\ud30c\uc218 \uc720\uc804 \ub0b4\uc131<\/td>\n<td>~2 \u00d7 Ui + 1000V AC<\/td>\n<td>60\ucd08<\/td>\n<td>\uc9c0\uc18d\uc801\uc778 AC \uc2a4\ud2b8\ub808\uc2a4\uc5d0 \ub300\ud55c \uc808\uc5f0 \ubb34\uacb0\uc131<\/td>\n<\/tr>\n<tr>\n<td><strong>Uimp<\/strong><\/td>\n<td>\uc784\ud384\uc2a4 \ub0b4\uc131 \ud14c\uc2a4\ud2b8<\/td>\n<td>\uc815\uaca9 \uc784\ud384\uc2a4 kV \ud53c\ud06c<\/td>\n<td>\ub9c8\uc774\ud06c\ub85c\ucd08 (\ub2e4\uc911 \uc0f7)<\/td>\n<td>\ube60\ub978 \uacfc\ub3c4 \uc11c\uc9c0\uc5d0 \ub300\ud55c \uac04\uaca9 \uc801\uc808\uc131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ui \ud14c\uc2a4\ud2b8\ub294 1\ubd84 \ub3d9\uc548 \uc9c0\uc18d\ub418\ub294 50\/60Hz AC\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub294 \uc808\uc5f0\uc5d0 \ub300\ud55c \ub290\ub9ac\uace0 \uac08\ub9ac\ub294 \uc2a4\ud2b8\ub808\uc2a4\uc785\ub2c8\ub2e4. Uimp \ud14c\uc2a4\ud2b8\ub294 1.2\/50 \u03bcs \uc784\ud384\uc2a4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub294 \uac04\uaca9\uacfc \uc5d0\uc5b4 \uac2d\uc5d0 \ub2e4\ub974\uac8c \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc8fc\ub294 \ube60\ub974\uace0 \ub0a0\uce74\ub85c\uc6b4 \uc804\uc555 \uc2a4\ud30c\uc774\ud06c\uc785\ub2c8\ub2e4. \ud558\ub098\uc758 \ud14c\uc2a4\ud2b8\ub97c \ud1b5\uacfc\ud55c\ub2e4\uace0 \ud574\uc11c \ub2e4\ub978 \ud14c\uc2a4\ud2b8\ub97c \ud1b5\uacfc\ud558\ub294 \uac83\uc774 \ubcf4\uc7a5\ub418\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc804\uc555 \ud06c\uae30 \uad00\uacc4<\/h3>\n<p>\uc77c\ubc18\uc801\uc778 \uc7a5\ube44\ub294 \ud2b9\uc815 \uc804\uc555 \uacc4\uce35\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n<p><strong>Ue \u2264 Ui &lt; Uimp<\/strong><\/p>\n<p>\uc608: 400V \uc2dc\uc2a4\ud15c\uc6a9 \uc0b0\uc5c5\uc6a9 MCCB\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\uc2dc\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>Ue = 400V (\uc791\ub3d9 \uc804\uc555\uc774 \uc2dc\uc2a4\ud15c\uacfc \uc77c\uce58)<\/li>\n<li>Ui = 690V (\ub354 \ub192\uc740 \uc2a4\ud2b8\ub808\uc2a4\uc5d0 \ub9de\uac8c \uc124\uacc4\ub41c \uc808\uc5f0)<\/li>\n<li>Uimp = 8 kV (\uce74\ud14c\uace0\ub9ac III \uc124\uce58\ub97c \uc704\ud55c \uc784\ud384\uc2a4 \ub0b4\uc131)<\/li>\n<\/ul>\n<p>\ud06c\uae30 \uc21c\uc11c\uc5d0 \uc8fc\ubaa9\ud558\uc2ed\uc2dc\uc624. Ue\uc640 Ui\ub294 \uc218\ubc31 \ubcfc\ud2b8 \ub2e8\uc704\uc778 \ubc18\uba74 Uimp\ub294 \uc218\ucc9c \ubcfc\ud2b8\ub85c \uc810\ud504\ud569\ub2c8\ub2e4. \uc774\ub294 \uc815\uc0c1 \uc0c1\ud0dc \uc791\ub3d9\uacfc \ube44\uad50\ud558\uc5ec \uacfc\ub3c4 \uc11c\uc9c0\uc758 \ub2e4\ub978 \ud2b9\uc131\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc5b4\ub5a4 \ub4f1\uae09\uc774 \uc5b4\ub5a4 \uacb0\uc815\uc744 \uc88c\uc6b0\ud569\ub2c8\uae4c?<\/h3>\n<p>\ub2e4\ub978 \uc0ac\uc591 \uacb0\uc815\uc740 \ub2e4\ub978 \ub4f1\uae09\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n<p><strong>Ue\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc74c\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/strong><\/p>\n<ul>\n<li>\uc2dc\uc2a4\ud15c \ud638\ud658\uc131 (\uc7a5\ube44\uac00 \uacf5\uce6d \uc804\uc555\uacfc \uc77c\uce58\ud569\ub2c8\uae4c?)<\/li>\n<li>\uc804\ub958 \uc815\uaca9 \uc870\uc815 (\ud2b9\uc815 Ue \ub808\ubca8\uc5d0\uc11c \uc120\uc5b8\ub41c Ie \uac12)<\/li>\n<li>\ud65c\uc6a9 \ubc94\uc8fc \uc801\uc6a9 \uac00\ub2a5\uc131 (AC-3, AC-23 \ub4f1)<\/li>\n<li>\ubcd1\ub82c\/\uc9c1\ub82c \uad6c\uc131 (\uc804\uc555 \ubd84\ubc30 \uace0\ub824 \uc0ac\ud56d)<\/li>\n<\/ul>\n<p><strong>Ui\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc74c\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/strong><\/p>\n<ul>\n<li>\uc801\uc808\ud55c \uc808\uc5f0 \uc548\uc804 \ub9c8\uc9c4 (Ui\ub294 Ue\ub97c \uc0c1\ub2f9\ud788 \ucd08\uacfc\ud574\uc57c \ud568)<\/li>\n<li>\uc624\uc5fc \uc815\ub3c4\uc5d0 \ub300\ud55c \uc5f0\uba74 \uac70\ub9ac \uc694\uad6c \uc0ac\ud56d \uc900\uc218<\/li>\n<li>\ud658\uacbd\uc5d0\uc11c\uc758 \uc7a5\uae30\uc801\uc778 \uc808\uc5f0 \uc2e0\ub8b0\uc131<\/li>\n<li>\uc804\uc555 \ubc94\uc704\uc5d0 \uac78\uce5c \uc7a5\ube44 \uc801\ud569\uc131 (\ud558\ub098\uc758 \uc7a5\uce58, \uc5ec\ub7ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158)<\/li>\n<\/ul>\n<p><strong>Uimp\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc74c\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/strong><\/p>\n<ul>\n<li>\uc124\uce58 \uacfc\uc804\uc555 \ubc94\uc8fc\uc5d0 \ub300\ud55c \uacfc\ub3c4 \uc11c\uc9c0 \ubcf4\ud638<\/li>\n<li>\uc5c5\uc2a4\ud2b8\ub9bc \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc640\uc758 \uc870\uc815<\/li>\n<li>\ub192\uc740 \ub178\ucd9c \uc704\uce58\uc5d0 \ub300\ud55c \uc801\uc808\ud55c \uac04\uaca9 \uc124\uacc4<\/li>\n<li>\uc808\uc5f0 \uc870\uc815 \ud45c\uc900 \uc900\uc218 (IEC 60664-1)<\/li>\n<\/ul>\n<figure><img decoding=\"async\" src=\"https:\/\/img.viox.com\/voltage-ratings-comparison-table-showing-definitions-test-methods-and-applications.webp\" alt=\"Voltage ratings comparison table showing definitions, test methods, and applications\" \/><figcaption><em>\uadf8\ub9bc 4: Ue, Ui \ubc0f Uimp\uc758 \ube60\ub978 \ucc38\uc870 \ube44\uad50. \uc774 \ud45c\ub294 \uc138 \uac00\uc9c0 \uc804\uc555 \ub4f1\uae09 \uac04\uc758 \uc8fc\uc694 \ucc28\uc774\uc810\uc744 \uc694\uc57d\ud558\uc5ec \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ud2b9\uc815 \uc0ac\uc591 \uacb0\uc815\uc744 \uc88c\uc6b0\ud558\ub294 \ub4f1\uae09\uc744 \uc2e0\uc18d\ud558\uac8c \uc2dd\ubcc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc644\uc804\ud55c \uc7a5\ube44 \uc0ac\uc591\uc744 \uc704\ud574\uc11c\ub294 \uc138 \uac00\uc9c0 \ubaa8\ub450 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/em><\/figcaption><\/figure>\n<h2>IEC \ud45c\uc900 \ubc0f \ud14c\uc2a4\ud2b8 \uc694\uad6c \uc0ac\ud56d<\/h2>\n<p>\uc138 \uac00\uc9c0 \uc804\uc555 \ub4f1\uae09\uc740 \uc784\uc758\uc801\uc778 \uc81c\uc870\uc5c5\uccb4 \uc8fc\uc7a5\uc774 \uc544\ub2c8\ub77c \ud14c\uc2a4\ud2b8 \uc808\ucc28, \ucd5c\uc18c \uc131\ub2a5 \uae30\uc900 \ubc0f \ubb38\uc11c\ud654 \uc694\uad6c \uc0ac\ud56d\uc744 \uc815\uc758\ud558\ub294 \uc5c4\uaca9\ud55c IEC \uad6d\uc81c \ud45c\uc900\uc5d0 \uc758\ud574 \uad00\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n<h3>IEC 60947 \uc2dc\ub9ac\uc988: \uc800\uc804\uc555 \uac1c\ud3d0 \uc7a5\uce58 \ubc0f \uc81c\uc5b4 \uc7a5\uce58<\/h3>\n<p>IEC 60947 \uc2dc\ub9ac\uc988\ub294 \ub2e4\uc74c \uc804\ubc18\uc5d0 \uac78\uccd0 \uc804\uc555 \ub4f1\uae09 \uc815\uc758\uc5d0 \ub300\ud55c \ud1a0\ub300\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. <a href=\"https:\/\/test.viox.com\/ko\/mccb\/\">MCCB<\/a>, <a href=\"https:\/\/test.viox.com\/ko\/modular-contactor-manufacturer\/\">\uc811\ucd09\uae30<\/a>, <a href=\"https:\/\/test.viox.com\/ko\/timer-relay\/\">\ub9b4\ub808\uc774<\/a>, \ubaa8\ud130 \uc2a4\ud0c0\ud130 \ubc0f \uc81c\uc5b4 \uc7a5\ube44:<\/p>\n<ul>\n<li><strong>IEC 60947-1<\/strong>: \ubaa8\ub4e0 \uc800\uc804\uc555 \uac1c\ud3d0 \uc7a5\uce58\uc5d0 \uc801\uc6a9\ub418\ub294 Ue, Ui, Uimp \uc815\uc758, \uc808\uc5f0 \ud611\uc870 \uc694\uad6c \uc0ac\ud56d \ubc0f \uc2dc\ud5d8 \uc808\ucc28\ub97c \uc124\uc815\ud558\ub294 \uc77c\ubc18 \uaddc\uce59<\/li>\n<li><strong>IEC 60947-2<\/strong>: \ub2e8\ub77d \ucc28\ub2e8 \uc6a9\ub7c9, \uc120\ud0dd\uc131 \ubc94\uc8fc \ubc0f \uc804\uc555 \uc815\uaca9 \uc801\uc6a9\uc744 \ud3ec\ud568\ud55c \ud68c\ub85c \ucc28\ub2e8\uae30(MCCB, ACB)\uc5d0 \ub300\ud55c \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d<\/li>\n<li><strong>IEC 60947-4-1<\/strong>: \uc811\ucd09\uae30 \ubc0f \ubaa8\ud130 \uae30\ub3d9\uae30, \ud65c\uc6a9 \ubc94\uc8fc(AC-3, AC-4 \ub4f1) \ubc0f Ue\uac00 \ubaa8\ud130 \uc2a4\uc704\uce6d \uae30\ub2a5\uacfc \uad00\ub828\ub41c \ubc29\uc2dd \uc815\uc758<\/li>\n<li><strong>IEC 60947-5-1<\/strong>: \uc81c\uc5b4 \ud68c\ub85c \uc7a5\uce58 \ubc0f \uc2a4\uc704\uce6d \uc694\uc18c(\ub9ac\ubbf8\ud2b8 \uc2a4\uc704\uce58, \uc120\ud0dd\uae30 \uc2a4\uc704\uce58, \ud478\uc2dc \ubc84\ud2bc)<\/li>\n<\/ul>\n<p>\ubaa8\ub4e0 \ubd80\ud488\uc740 \uae30\ubcf8 \uc804\uc555 \uc815\uaca9 \uc815\uc758\uc5d0 \ub300\ud574 IEC 60947-1\uc744 \ucc38\uc870\ud55c \ub2e4\uc74c \uc81c\ud488\ubcc4 \uc2dc\ud5d8 \uc138\ubd80 \uc0ac\ud56d\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n<h3>IEC 60947-7-1: \uad6c\ub9ac \ub3c4\uccb4\uc6a9 \ub2e8\uc790\ub300<\/h3>\n<p>\ub2e8\uc790\ub300\ub294 \uad00\ub828 \ud45c\uc900\uc744 \ub530\ub985\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>IEC 60947-7-1<\/strong>: \ub2e8\uc790\ub300\uc758 \uc628\ub3c4 \uc0c1\uc2b9, \ub0b4\uc804\uc555(Ui \uc720\ud6a8\uc131 \uac80\uc0ac), \ub2e8\uc2dc\uac04 \uc804\ub958 \ub0b4\uc131 \ubc0f \uc784\ud384\uc2a4 \uc2dc\ud5d8(Uimp \uc720\ud6a8\uc131 \uac80\uc0ac)\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2dc\ud5d8\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/strong>: \uc804\uc6d0 \uc8fc\ud30c\uc218 \ub0b4\uc804\uc555 \uc2dc\ud5d8(Ui\uc5d0\uc11c \ud30c\uc0dd\ub41c \uc2dc\ud5d8 \uc804\uc555\uc5d0\uc11c 60\ucd08) \ubc0f \uc784\ud384\uc2a4 \uc804\uc555 \uc2dc\ud5d8(\uc815\uaca9 Uimp\uc5d0\uc11c 1.2\/50 \u03bcs \ud30c\ud615)<\/li>\n<\/ul>\n<p>\ub2e8\uc790\ub300\ub294 MCCB \ubc0f \uc811\ucd09\uae30\uc640 \ub3d9\uc77c\ud55c \uae30\ubcf8 Ui \ubc0f Uimp \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub4e0 \ud328\ub110 \uad6c\uc131 \uc694\uc18c\uc5d0\uc11c \uc808\uc5f0 \ud611\uc870 \uc77c\uad00\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h3>IEC 60664-1: \uc800\uc804\uc555 \uc2dc\uc2a4\ud15c \ub0b4 \uc808\uc5f0 \ud611\uc870<\/h3>\n<p>IEC 60664-1\uc740 \uc2dc\uc2a4\ud15c \uc804\uc555\uc744 \ud544\uc694\ud55c Uimp \ubc0f \uac04\uaca9\uc5d0 \uc5f0\uacb0\ud558\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud45c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uacfc\uc804\uc555 \ubc94\uc8fc<\/strong> (I ~ IV)\ub294 \uacfc\ub3c4 \ud604\uc0c1\uc5d0 \ub300\ud55c \uc124\uce58 \ub178\ucd9c\uc744 \ubd84\ub958\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc624\uc5fc\ub3c4<\/strong> (1 ~ 4)\ub294 \ud658\uacbd \uc624\uc5fc \uc218\uc900\uc744 \ubd84\ub958\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc815\uaca9 \uc784\ud384\uc2a4 \uc804\uc555 \ud45c<\/strong>: \uacf5\uce6d \uc2dc\uc2a4\ud15c \uc804\uc555 \ubc0f \uacfc\uc804\uc555 \ubc94\uc8fc\ub97c \ucd5c\uc18c \ud544\uc218 Uimp\uc5d0 \ub9e4\ud551\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uac04\uaca9 \ubc0f \uc5f0\uba74 \uac70\ub9ac \ud45c<\/strong>: Ui, \uc624\uc5fc\ub3c4 \ubc0f \uc808\uc5f0 \uc7ac\ub8cc \uadf8\ub8f9\uc744 \uae30\uc900\uc73c\ub85c \ucd5c\uc18c \uacf5\uae30 \ubc0f \ud45c\uba74 \uac70\ub9ac\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc5d4\uc9c0\ub2c8\uc5b4\ub294 IEC 60664-1\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ud544\uc694\ud55c Uimp \ubc0f \uac04\uaca9\uc744 \uacb0\uc815\ud55c \ub2e4\uc74c \uc801\uc808\ud55c \uc815\uaca9\uc744 \ubcf4\uc5ec\uc8fc\ub294 \ub370\uc774\ud130\uc2dc\ud2b8\uac00 \uc788\ub294 \uc7a5\ube44\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n<h3>IEC 61810-1: \uc804\uae30 \uae30\uacc4 \ub9b4\ub808\uc774<\/h3>\n<p>\uc804\uae30 \uae30\uacc4 \ub9b4\ub808\uc774\ub294 \uc790\uccb4 \ud45c\uc900\uc744 \ub530\ub974\uc9c0\ub9cc \ub3d9\uc77c\ud55c \uc804\uc555 \uc815\uaca9 \uac1c\ub150\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>IEC 61810-1<\/strong>: \ub9b4\ub808\uc774 \uc811\uc810 \ubc0f \ucf54\uc77c\uc5d0 \ub300\ud55c Ue(\uc2a4\uc704\uce6d \uc804\uc555), Ui(\uc808\uc5f0 \uc804\uc555) \ubc0f Uimp(\uc784\ud384\uc2a4 \ub0b4\uc804\uc555)\ub97c \uc815\uc758\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2dc\ud5d8 \uc808\ucc28<\/strong>: \uc804\uc6d0 \uc8fc\ud30c\uc218 \ub0b4\uc804\uc555 \uc2dc\ud5d8 \ubc0f \uc784\ud384\uc2a4 \uc2dc\ud5d8\uc740 IEC 60947-1 \ubc29\ubc95\ub860\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc815\uaca9 Ue 400V, Ui 690V, Uimp 6 kV\uc758 \ub9b4\ub808\uc774\ub294 \ud574\ub2f9 \uc815\uaca9\uc758 MCCB\uc640 \ub3d9\uc77c\ud55c \ud574\uc11d \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc81c\ud488 \uc720\ud615\ub9cc \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<h3>\ud615\uc2dd \uc2dc\ud5d8 \ub300 \uc77c\uc0c1 \uc2dc\ud5d8<\/h3>\n<p>\uc804\uc555 \uc815\uaca9 \uc720\ud6a8\uc131 \uac80\uc0ac\uc5d0\ub294 \ub450 \uac00\uc9c0 \uc2dc\ud5d8 \uc218\uc900\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p><strong>\uc720\ud615 \ud14c\uc2a4\ud2b8<\/strong> (\uc124\uacc4\ub2f9 \ud55c \ubc88 \uc218\ud589):<\/p>\n<ul>\n<li>\ub0b4\uc804\uc555, \uc784\ud384\uc2a4 \uc2dc\ud5d8, \uc628\ub3c4 \uc0c1\uc2b9, \ub0b4\uad6c \uc218\uba85 \uc8fc\uae30\ub97c \ud3ec\ud568\ud55c \ud3ec\uad04\uc801\uc778 \uc720\ud6a8\uc131 \uac80\uc0ac<\/li>\n<li>\uacf5\uc778 \uc2dc\ud5d8\uc18c\uc5d0\uc11c \ub300\ud45c \uc0d8\ud50c\uc5d0 \ub300\ud574 \uc218\ud589<\/li>\n<li>\ud615\uc2dd \uc2dc\ud5d8 \ubcf4\uace0\uc11c\uc5d0 \uacb0\uacfc\uac00 \ubb38\uc11c\ud654\ub418\uc5b4 \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0 \uac8c\uc2dc\ub429\ub2c8\ub2e4.<\/li>\n<li>\ube44\uc6a9\uc774 \ub9ce\uc774 \ub4e4\uace0 \uc2dc\uac04\uc774 \ub9ce\uc774 \uac78\ub9bd\ub2c8\ub2e4. \uc81c\uc870\uc5c5\uccb4\ub294 \ubaa8\ub4e0 \uc0dd\uc0b0 \uc7a5\uce58\uc5d0 \ub300\ud574 \ubc18\ubcf5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><strong>\uc815\uae30 \ud14c\uc2a4\ud2b8<\/strong> (\ubaa8\ub4e0 \uc7a5\uce58 \ub610\ub294 \uc0dd\uc0b0 \ubc30\uce58\uc5d0\uc11c \uc218\ud589):<\/p>\n<ul>\n<li>\uae30\ubcf8 \uac80\uc99d: \uc721\uc548 \uac80\uc0ac, \uce58\uc218 \uac80\uc0ac, \uac04\uc18c\ud654\ub41c \ub0b4\uc804\uc555 \uc2dc\ud5d8(\ub0ae\uc740 \uc804\uc555, \uc9e7\uc740 \uc9c0\uc18d \uc2dc\uac04)<\/li>\n<li>\uc804\uccb4 \ud615\uc2dd \uc2dc\ud5d8 \ubc30\ud130\ub9ac\ub97c \ubc18\ubcf5\ud558\uc9c0 \uc54a\uace0 \uc81c\uc870 \uc77c\uad00\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li>\ube60\ub974\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \ud488\uc9c8 \uad00\ub9ac<\/li>\n<\/ul>\n<p>Ue, Ui \ubc0f Uimp\ub97c \ubcf4\uc5ec\uc8fc\ub294 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \uc77d\uc744 \ub54c \ud574\ub2f9 \uac12\uc740 \ud615\uc2dd \uc2dc\ud5d8\uc744 \uac70\uccd0 \uc778\uc99d\ub41c \uc131\ub2a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc77c\uc0c1 \uc2dc\ud5d8\uc740 \uac01 \uc0dd\uc0b0 \uc7a5\uce58\uac00 \ud615\uc2dd \uc2dc\ud5d8\uc744 \uac70\uce5c \uc124\uacc4\ub97c \ucda9\uc871\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc2e4\uc6a9\uc801\uc778 \uc120\ud0dd \uac00\uc774\ub4dc: \uc804\uc555 \uc815\uaca9\uc744 \uc62c\ubc14\ub974\uac8c \uc0ac\uc6a9<\/h2>\n<p>\uc801\uc808\ud55c \uc804\uc555 \uc815\uaca9\uc73c\ub85c \uc7a5\ube44\ub97c \uc120\ud0dd\ud558\ub824\uba74 \uccb4\uacc4\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774 \uc758\uc0ac \uacb0\uc815 \ud504\ub808\uc784\uc6cc\ud06c\uc5d0 \ub530\ub77c \uc815\uaca9\uc744 \uc124\uce58 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ucd94\uc2ed\uc2dc\uc624.<\/p>\n<h3>1\ub2e8\uacc4: \uc2dc\uc2a4\ud15c \uacf5\uce6d \uc804\uc555 \uc2dd\ubcc4<\/h3>\n<p>\uae30\ubcf8 \uc2dc\uc2a4\ud15c \uc0ac\uc2e4\ubd80\ud130 \uc2dc\uc791\ud558\uc2ed\uc2dc\uc624.<\/p>\n<ul>\n<li><strong>\ub2e8\uc0c1 \uc2dc\uc2a4\ud15c<\/strong>: 120V, 230V, 240V AC<\/li>\n<li><strong>3\uc0c1 \uc2dc\uc2a4\ud15c<\/strong>: 208V, 380V, 400V, 415V, 480V, 600V, 690V AC<\/li>\n<li><strong>DC \uc2dc\uc2a4\ud15c<\/strong>: 24V, 48V, 110V, 220V DC(\uc81c\uc5b4\/\ubc30\ud130\ub9ac \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc77c\ubc18\uc801)<\/li>\n<\/ul>\n<p>\uc774\uac83\uc740 \ub2f9\uc2e0\uc758 <strong>\ucd5c\uc18c Ue \uc694\uad6c \uc0ac\ud56d<\/strong>. Ue \uc815\uaca9\uc774 \uc2dc\uc2a4\ud15c \uc804\uc555\ubcf4\ub2e4 \ub0ae\uc740 \uc7a5\ube44\ub294 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. Ue \uc815\uaca9\uc774 \uc2dc\uc2a4\ud15c \uc804\uc555\uacfc \uac19\uac70\ub098 \ub192\uc740 \uc7a5\ube44\ub294 \uc791\ub3d9 \uc804\uc555 \uad00\uc810\uc5d0\uc11c \ud5c8\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h3>2\ub2e8\uacc4: \uc124\uce58 \uacfc\uc804\uc555 \ubc94\uc8fc \uacb0\uc815<\/h3>\n<p>IEC 60664-1 \ub610\ub294 \ud604\uc9c0 \uc804\uae30 \uaddc\uc815\uc744 \ucc38\uc870\ud558\uc5ec \uc124\uce58\ub97c \ubd84\ub958\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><strong>\uce74\ud14c\uace0\ub9ac I<\/strong>: \ub85c\uceec \uc11c\uc9c0 \ubcf4\ud638 \uae30\ub2a5\uc774 \uc788\ub294 \ubbfc\uac10\ud55c \uc804\uc790 \uc7a5\ube44(\uc0b0\uc5c5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 \ub4dc\ubb3c\uc74c)<\/p>\n<p><strong>\uce74\ud14c\uace0\ub9ac II<\/strong>: \uac00\uc804 \uc81c\ud488 \ubc0f \uc18c\ucf13 \ucf58\uc13c\ud2b8 \ud68c\ub85c, \uce74\ud14c\uace0\ub9ac III \uc18c\uc2a4\uc5d0\uc11c \ucd5c\uc18c 10\ubbf8\ud130 \ub5a8\uc5b4\uc9c4 \ud734\ub300\uc6a9 \uc7a5\ube44(\uc8fc\uac70, \uacbd\uc0c1\uc5c5)<\/p>\n<p><strong>\uce74\ud14c\uace0\ub9ac III<\/strong>: \uac74\ubb3c \ub0b4 \uace0\uc815 \uc7a5\ube44, \ubc30\uc804\ubc18, \uc0b0\uc5c5 \uae30\uacc4(\uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc0b0\uc5c5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158)<\/p>\n<p><strong>\uce74\ud14c\uace0\ub9ac IV<\/strong>: \uc124\uce58 \uc6d0\uc810, \uc11c\ube44\uc2a4 \uc785\uad6c \uc7a5\ube44, \uc720\ud2f8\ub9ac\ud2f0 \ubbf8\ud130, \uac00\uacf5\uc120<\/p>\n<p>\uc124\uce58 \ubc94\uc8fc\uc5d0 \ub530\ub77c <strong>\ucd5c\uc18c \ud544\uc218 Uimp<\/strong>. 400V \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0:<\/p>\n<ul>\n<li>\uce74\ud14c\uace0\ub9ac II \u2192 Uimp \u2265 2.5 kV<\/li>\n<li>\uce74\ud14c\uace0\ub9ac III \u2192 Uimp \u2265 6 kV(\ub354 \ub098\uc740 \ub9c8\uc9c4\uc744 \uc704\ud574 \uc885\uc885 8 kV\ub85c \uc9c0\uc815\ub428)<\/li>\n<li>\uce74\ud14c\uace0\ub9ac IV \u2192 Uimp \u2265 8 kV<\/li>\n<\/ul>\n<h3>3\ub2e8\uacc4: \ud658\uacbd \uc624\uc5fc \uc815\ub3c4 \ud3c9\uac00<\/h3>\n<p>IEC 60664-1\uc5d0 \ub530\ub978 \uc624\uc5fc \uc218\uc900 \ud3c9\uac00:<\/p>\n<ul>\n<li><strong>\uc624\uc5fc\ub3c4 1<\/strong>: \uae68\ub057\ud55c \ud658\uacbd, \ubc00\ud3d0\ub41c \uc778\ud074\ub85c\uc800 (\ub4dc\ubb3e)<\/li>\n<li><strong>\uc624\uc5fc\ub3c4 2<\/strong>: \uc77c\ubc18\uc801\uc778 \uc2e4\ub0b4 \uc870\uac74, \ube44\uc804\ub3c4\uc131 \uc624\uc5fc\ub9cc \uc874\uc7ac (\ub300\ubd80\ubd84\uc758 \uc81c\uc5b4 \uce90\ube44\ub2db)<\/li>\n<li><strong>\uc624\uc5fc\ub3c4 3<\/strong>: \uc804\ub3c4\uc131 \uc624\uc5fc \ub610\ub294 \uc2b5\uae30\uc5d0 \ub178\ucd9c \uc2dc \uc804\ub3c4\uc131\uc744 \ub760\ub294 \uac74\uc870\ud55c \ube44\uc804\ub3c4\uc131 \uc624\uc5fc (\uc0b0\uc5c5 \ud658\uacbd, \uc625\uc678 \uc124\uce58)<\/li>\n<li><strong>\uc624\uc5fc\ub3c4 4<\/strong>: \ube44, \ub208 \ub610\ub294 \uc2ec\uac01\ud55c \uc624\uc5fc\uc73c\ub85c \uc778\ud55c \uc9c0\uc18d\uc801\uc778 \uc804\ub3c4\uc131 \uc624\uc5fc<\/li>\n<\/ul>\n<p>\uc624\uc5fc \uc815\ub3c4\uac00 \ub192\uc744\uc218\ub85d \ub354 \ud070 \uc5f0\uba74 \uac70\ub9ac\uac00 \uc788\ub294 \uc7a5\ube44\uac00 \ud544\uc694\ud558\uba70, \uc774\ub294 \ub3d9\uc77c\ud55c \uac04\uadf9 \uc131\ub2a5\uc5d0 \ub300\ud574 \ub354 \ub192\uc740 Ui \ub4f1\uae09\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc624\uc5fc \uc815\ub3c4 3\uc758 400V \uc2dc\uc2a4\ud15c\uc740 \uc624\uc5fc \uc815\ub3c4 2\uc758 \ub3d9\uc77c \uc804\uc555\ubcf4\ub2e4 \ub354 \ud070 \uc5f0\uba74 \uac70\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h3>4\ub2e8\uacc4: \uc801\uc808\ud55c \ub9c8\uc9c4\uc744 \uac00\uc9c4 \uc7a5\ube44 Ui \uc120\ud0dd<\/h3>\n<p><strong>\uc77c\ubc18 \uaddc\uce59<\/strong>: \uc2dc\uc2a4\ud15c \uacf5\uce6d \uc804\uc555\uc758 \ucd5c\uc18c 1.5\ubc30 \uc774\uc0c1\uc758 Ui\ub97c \uac00\uc9c4 \uc7a5\ube44\ub97c \uc9c0\uc815\ud558\uace0, \uac00\uae09\uc801 \ub354 \ub192\uac8c \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p>\uc77c\ubc18\uc801\uc778 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0:<\/p>\n<ul>\n<li><strong>400V 3\uc0c1 \uc2dc\uc2a4\ud15c<\/strong>: Ui \u2265 690V (1.73\ubc30 \ub9c8\uc9c4) \uc9c0\uc815<\/li>\n<li><strong>480V 3\uc0c1 \uc2dc\uc2a4\ud15c<\/strong>: Ui \u2265 690V \ub610\ub294 800V \uc9c0\uc815<\/li>\n<li><strong>230V \ub2e8\uc0c1 \uc2dc\uc2a4\ud15c<\/strong>: Ui \u2265 400V \ub610\ub294 500V \uc9c0\uc815<\/li>\n<\/ul>\n<p>\uc774 \ub9c8\uc9c4\uc740 \uc804\uc555 \ubcc0\ub3d9, \uacfc\ub3c4 \uacfc\uc804\uc555 \ubc0f \uc7a5\ube44 \uc218\uba85 \ub3d9\uc548\uc758 \uc808\uc5f0 \ub178\ud654\ub97c \uace0\ub824\ud569\ub2c8\ub2e4.<\/p>\n<h3>5\ub2e8\uacc4: Uimp\uac00 \uc124\uce58 \uce74\ud14c\uace0\ub9ac\uc640 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778<\/h3>\n<p>2\ub2e8\uacc4\uc758 \uc124\uce58 \uce74\ud14c\uace0\ub9ac\uc5d0 \ub300\ud574 \uc7a5\ube44 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \uad50\ucc28 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<ul>\n<li>\uc120\uc5b8\ub41c Uimp\uac00 \uc2dc\uc2a4\ud15c \uc804\uc555 \ubc0f \uce74\ud14c\uace0\ub9ac\uc5d0 \ub300\ud55c IEC 60664-1 \ucd5c\uc18c\uac12 \uc774\uc0c1\uc778\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li>\uc0b0\uc5c5 \uace0\uc815 \uc124\uce58 (\uce74\ud14c\uace0\ub9ac III)\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ucd5c\uc18c Uimp 6-8 kV\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li>\ube44\uc6a9\uc744 \uc808\uac10\ud558\uae30 \uc704\ud574 \uc0ac\uc591\uc744 \ub0ae\ucd94\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc11c\uc9c0 \uace0\uc7a5\uc740 \uc608\uce21\ud560 \uc218 \uc5c6\uace0 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4ed\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>6\ub2e8\uacc4: \uc120\ud0dd\ud55c Ue\uc5d0\uc11c \uc804\ub958 \uc815\uaca9 \uc720\ud6a8\uc131 \uac80\uc0ac<\/h3>\n<p>\uc7a5\ube44 \uc804\ub958 \uc815\uaca9 (Ie, In)\uc740 \ud2b9\uc815 Ue \uac12\uc73c\ub85c \uc120\uc5b8\ub429\ub2c8\ub2e4. \ub2e4\uc74c\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<ul>\n<li>\uc804\ub958 \uc815\uaca9\uc774 \ubd80\ud558\uc5d0 \uc801\ud569\ud55c\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. <strong>\uc120\uc5b8\ub41c Ue\uc5d0\uc11c<\/strong><\/li>\n<li>\uc7a5\ube44\uc5d0 \uc5ec\ub7ec Ue \uc635\uc158\uc774 \ub098\uc5f4\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0 \uc120\ud0dd\ud55c \uc804\uc555\uc5d0\uc11c \uc804\ub958\uac00 \uc800\ud558\ub418\uc9c0 \uc54a\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li>\ud2b9\ud788 \uc811\ucd09\uae30\ub294 \ub354 \ub192\uc740 Ue \ub808\ubca8\uc5d0\uc11c Ie\uac00 \uac10\uc18c\ud558\ub294 \uac83\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc804\ub958\uac00 \uc77c\uc815\ud558\uac8c \uc720\uc9c0\ub41c\ub2e4\uace0 \uac00\uc815\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n<h3>7\ub2e8\uacc4: \uaddc\uc815 \uc900\uc218 \ud655\uc778\uc744 \uc704\ud574 \uc120\ud0dd \uc0ac\ud56d \ubb38\uc11c\ud654<\/h3>\n<p>\ub2e4\uc74c\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uc0ac\uc591 \uae30\ub85d\uc744 \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/p>\n<ul>\n<li>\uc2dc\uc2a4\ud15c \uacf5\uce6d \uc804\uc555 \ubc0f \uc124\uce58 \uce74\ud14c\uace0\ub9ac<\/li>\n<li>\uc120\ud0dd\ud55c \uc7a5\ube44 Ue, Ui, Uimp \uac12<\/li>\n<li>\uc624\uc5fc \uc815\ub3c4 \ubc0f \ud544\uc694\ud55c \uc5f0\uba74 \uac70\ub9ac<\/li>\n<li>\ud45c\uc900 \uad00\ud589\uc5d0\uc11c \ubc97\uc5b4\ub09c \ubaa8\ub4e0 \ud3b8\ucc28\uc5d0 \ub300\ud55c \uc815\ub2f9\uc131<\/li>\n<\/ul>\n<p>\uc774 \ubb38\uc11c\ub294 \uc2b9\uc778 \ud504\ub85c\uc138\uc2a4, \uac80\uc0ac \uac80\ud1a0 \ubc0f \ud5a5\ud6c4 \uc720\uc9c0 \ubcf4\uc218\/\uad50\uccb4 \uacb0\uc815\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc758\uc0ac \uacb0\uc815 \ud750\ub984\ub3c4 \uc694\uc57d<\/h3>\n<ol>\n<li><strong>\uc2dc\uc2a4\ud15c \uc804\uc555<\/strong> \u2192 \ucd5c\uc18c Ue \uc815\uc758<\/li>\n<li><strong>\uc124\uce58 \uce74\ud14c\uace0\ub9ac<\/strong> (IEC 60664-1) \u2192 \ucd5c\uc18c Uimp \uc815\uc758<\/li>\n<li><strong>\uc624\uc5fc \uc815\ub3c4<\/strong> + <strong>\uc804\uc555<\/strong> \u2192 \ud544\uc694\ud55c \uc5f0\uba74 \uac70\ub9ac \uc815\uc758 (Ui \uc120\ud0dd \uc720\ud6a8\uc131 \uac80\uc0ac)<\/li>\n<li><strong>\ubd80\ud558 \ud2b9\uc131<\/strong> + <strong>Ue<\/strong> \u2192 \ud544\uc694\ud55c Ie \ubc0f \ud65c\uc6a9 \ubc94\uc8fc \uc815\uc758<\/li>\n<li><strong>\ubaa8\ub4e0 \uc815\uaca9 \uad50\ucc28 \ud655\uc778<\/strong> \u2192 Ue \u2264 Ui, Uimp \uc801\uc808, \uc804\ub958 \ucda9\ubd84 \ubcf4\uc7a5<\/li>\n<\/ol>\n<p>\uc815\uaca9\uc774 \ubbf8\ubbf8\ud558\uac70\ub098 \ubd88\ubd84\uba85\ud55c \uacbd\uc6b0 \ub2e4\uc74c\uc73c\ub85c \ub192\uc740 \ud45c\uc900 \uc815\uaca9\uc744 \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624. \ud604\uc7a5 \uace0\uc7a5 \ubc0f \uae34\uae09 \uad50\uccb4\uc5d0 \ube44\ud574 \ube44\uc6a9 \ucc28\uc774\ub294 \ubbf8\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/img.viox.com\/equipment-selection-decision-framework-flowchart-for-voltage-ratings.webp\" alt=\"Equipment selection decision framework flowchart for voltage ratings\" \/><figcaption><em>\uadf8\ub9bc 5: \uc7a5\ube44 \uc804\uc555 \uc815\uaca9 \uc0ac\uc591\uc5d0 \ub300\ud55c \uccb4\uacc4\uc801\uc778 \uc811\uadfc \ubc29\uc2dd. \uc774 \uc758\uc0ac \uacb0\uc815 \ud504\ub808\uc784\uc6cc\ud06c\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc804\uccb4 \uc120\ud0dd \ud504\ub85c\uc138\uc2a4\ub97c \uc548\ub0b4\ud569\ub2c8\ub2e4. Ue\ub97c \uc2dc\uc2a4\ud15c \uc804\uc555\uc5d0 \ub9de\ucd94\uace0, \uc808\uc5f0 \ub9c8\uc9c4\uc5d0 \ub300\ud55c Ui \uc720\ud6a8\uc131\uc744 \uac80\uc0ac\ud558\uace0, \uc124\uce58 \uce74\ud14c\uace0\ub9ac\uc5d0 \ub300\ud574 Uimp\ub97c \ud655\uc778\ud558\uace0, \uc804\ub958 \uc815\uaca9\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. \uc774 \uad6c\uc870\ud654\ub41c \uc811\uadfc \ubc29\uc2dd\uc744 \ub530\ub974\uba74 \ubaa8\ub4e0 \uc804\uc555 \ub9e4\uac1c\ubcc0\uc218\uac00 \uc62c\ubc14\ub974\uac8c \uc9c0\uc815\ub429\ub2c8\ub2e4.<\/em><\/figcaption><\/figure>\n<h2>\ud53c\ud574\uc57c \ud560 \uc77c\ubc18\uc801\uc778 \uc0ac\uc591 \uc2e4\uc218<\/h2>\n<p>\uc219\ub828\ub41c \uc5d4\uc9c0\ub2c8\uc5b4\uc870\ucc28\ub3c4 \uc2dc\uac04 \uc555\ubc15\uc744 \ubc1b\uac70\ub098 \uc775\uc219\ud558\uc9c0 \uc54a\uc740 \uc7a5\ube44 \uc720\ud615\uc744 \ub2e4\ub8f0 \ub54c \uc804\uc555 \uc815\uaca9 \uc624\ub958\ub97c \ubc94\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uac00\uc7a5 \ube48\ubc88\ud55c \uc2e4\uc218\uc640 \uc774\ub97c \ubc29\uc9c0\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n<h3>\uc2e4\uc218 1: Ue\ub9cc \uc0ac\uc6a9\ud558\uace0 Ui\/Uimp \ubb34\uc2dc<\/h3>\n<p><strong>\uc624\ub958<\/strong>: Ui \ubc0f Uimp\ub97c \ud655\uc778\ud558\uc9c0 \uc54a\uace0 \uc2dc\uc2a4\ud15c \uc804\uc555\uacfc \uc77c\uce58\ud558\ub294 Ue\ub97c \uae30\uc900\uc73c\ub85c\ub9cc \uc7a5\ube44\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc65c \uc798\ubabb\ub418\uc5c8\uc2b5\ub2c8\uae4c?<\/strong>: Ue\ub294 \uc791\ub3d9 \ud638\ud658\uc131\uc744 \ud655\uc778\ud558\uc9c0\ub9cc \uc808\uc5f0 \uac15\ub3c4 \ub610\ub294 \uc11c\uc9c0 \ub0b4\uc131\uc5d0 \ub300\ud574\uc11c\ub294 \uc544\ubb34\uac83\ub3c4 \uc54c\ub824\uc8fc\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc62c\ubc14\ub978 Ue\ub97c \uac16\uc9c0\ub9cc Uimp\uac00 \ubd80\uc801\uc808\ud55c \uc7a5\ube44\ub294 \uacfc\ub3c4 \uc774\ubca4\ud2b8 \ud6c4 \uc608\uce21\ud560 \uc218 \uc5c6\uc774 \uace0\uc7a5\ub0a9\ub2c8\ub2e4.<\/p>\n<p><strong>\uc62c\ubc14\ub978 \uc811\uadfc \ubc29\uc2dd<\/strong>: \ud56d\uc0c1 \uc138 \uac00\uc9c0 \uc815\uaca9\uc744 \ubaa8\ub450 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. 400V \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 Ue \u2265 400V\uc778\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. <strong>\uadf8\ub9ac\uace0<\/strong> Ui \u2265 690V <strong>\uadf8\ub9ac\uace0<\/strong> Uimp \u2265 6-8 kV (\uc124\uce58 \uce74\ud14c\uace0\ub9ac\uc5d0 \ub530\ub77c \ub2e4\ub984).<\/p>\n<h3>\uc2e4\uc218 2: Ui\ub97c \ucd5c\ub300 \uc791\ub3d9 \uc804\uc555\uc73c\ub85c \ucde8\uae09<\/h3>\n<p><strong>\uc624\ub958<\/strong>: Ui 690V\ub85c \uc815\uaca9\ub41c \uc7a5\ube44\uac00 690V\uc5d0\uc11c \uc9c0\uc18d\uc801\uc73c\ub85c \uc791\ub3d9\ud560 \uc218 \uc788\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc65c \uc798\ubabb\ub418\uc5c8\uc2b5\ub2c8\uae4c?<\/strong>: Ui\ub294 \uc791\ub3d9 \uc81c\ud55c\uc774 \uc544\ub2cc \uc808\uc5f0 \uae30\uc900 \uc804\uc555\uc785\ub2c8\ub2e4. \uae30\ubcf8 \uaddc\uce59\uc740 Ue \u2264 Ui\uc785\ub2c8\ub2e4. \uc791\ub3d9 \uc804\uc555\uc740 Ui \uac12\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc120\uc5b8\ub41c Ue\ub97c \ucd08\uacfc\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n<p><strong>\uc62c\ubc14\ub978 \uc811\uadfc \ubc29\uc2dd<\/strong>: \uc2dc\uc2a4\ud15c \uc804\uc555\uc744 Ui\uac00 \uc544\ub2cc Ue\uc5d0 \ub9de\ucd94\uc2ed\uc2dc\uc624. 690V \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 Ui 800V \ub610\ub294 1000V\ub85c Ue 690V (\ub610\ub294 \ub354 \ub192\uc74c)\ub85c \uc815\uaca9\ub41c \uc7a5\ube44\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624. Ui\uac00 690V\uc774\uae30 \ub54c\ubb38\uc5d0 Ue 400V\ub85c \uc815\uaca9\ub41c \uc7a5\ube44\ub97c \uc0ac\uc6a9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uc2e4\uc218 3: Uimp\ub97c \uc120\ud0dd\ud560 \ub54c \uc124\uce58 \uce74\ud14c\uace0\ub9ac \uac04\uacfc<\/h3>\n<p><strong>\uc624\ub958<\/strong>: \uc0b0\uc5c5 \uace0\uc815 \uc124\uce58 (\uce74\ud14c\uace0\ub9ac III)\uc5d0 \uc8fc\uac70\uc6a9 \ub4f1\uae09 \uc7a5\ube44 (Uimp 4-6 kV)\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc65c \uc798\ubabb\ub418\uc5c8\uc2b5\ub2c8\uae4c?<\/strong>: IEC 60664-1\uc740 \uc804\uae30 \uacf5\uae09\uc6d0\uc810\uc5d0 \uac00\uae4c\uc6b4 \uc124\uce58\uc5d0 \ub300\ud574 \ub354 \ub192\uc740 Uimp\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4. \uce74\ud14c\uace0\ub9ac III \uc0b0\uc5c5 \ud658\uacbd\uc740 \uce74\ud14c\uace0\ub9ac II \uac00\uc804 \uc81c\ud488 \ud68c\ub85c\ubcf4\ub2e4 \ub354 \uc2ec\uac01\ud55c \uacfc\ub3c4 \ud604\uc0c1\uc5d0 \uc9c1\uba74\ud569\ub2c8\ub2e4. Uimp\uac00 \ubd80\uc801\uc808\ud55c \uc7a5\ube44\ub294 \ub204\uc801 \uc808\uc5f0 \uc800\ud558 \ubc0f \uc608\uae30\uce58 \uc54a\uc740 \uace0\uc7a5\uc744 \uacaa\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\uc62c\ubc14\ub978 \uc811\uadfc \ubc29\uc2dd<\/strong>: \uba3c\uc800 \uc124\uce58 \uce74\ud14c\uace0\ub9ac\ub97c \uacb0\uc815\ud55c \ub2e4\uc74c \uc801\uc808\ud55c Uimp\ub97c \uac00\uc9c4 \uc7a5\ube44\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624. \ub300\ubd80\ubd84\uc758 \uc0b0\uc5c5 \uc751\uc6a9 \ubd84\uc57c (\uce74\ud14c\uace0\ub9ac III)\uc758 \uacbd\uc6b0 Uimp \u2265 8 kV\ub97c \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624. \uc11c\ube44\uc2a4 \uc785\uad6c \uc7a5\ube44 (\uce74\ud14c\uace0\ub9ac IV)\uc758 \uacbd\uc6b0 Uimp \u2265 12 kV\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uc2e4\uc218 4: \uc5f0\uba74 \uac70\ub9ac\uc5d0 \ub300\ud55c \uc624\uc5fc\ub3c4\uc758 \uc601\ud5a5 \uac04\uacfc<\/h3>\n<p><strong>\uc624\ub958<\/strong>: \ud658\uacbd \uc624\uc5fc\uc744 \uace0\ub824\ud558\uc9c0 \uc54a\uace0 \uc804\uc555 \ub4f1\uae09\ub9cc\uc744 \uae30\uc900\uc73c\ub85c \uc7a5\ube44\ub97c \uc120\ud0dd\ud558\ub294 \uacbd\uc6b0.<\/p>\n<p><strong>\uc65c \uc798\ubabb\ub418\uc5c8\uc2b5\ub2c8\uae4c?<\/strong>: \uc624\uc5fc\ub3c4\uac00 \ub192\uc744\uc218\ub85d \uc804\ub3c4\uc131 \ubd80\ud488 \uac04 \ub354 \ud070 \uc5f0\uba74 \uac70\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc624\uc5fc\ub3c4 2(\uae68\ub057\ud55c \uc81c\uc5b4 \uce90\ube44\ub2db)\uc5d0 \uc801\ud569\ud55c \uc7a5\ube44\ub294 \uc624\uc5fc\ub3c4 3(\uba3c\uc9c0\/\uc2b5\uae30\uac00 \uc788\ub294 \uc0b0\uc5c5 \ud658\uacbd)\uc5d0 \ub300\ud55c \uc5f0\uba74 \uac70\ub9ac\uac00 \ubd80\uc871\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud2b8\ub798\ud0b9 \ubc0f \uc12c\ub77d \uace0\uc7a5\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc62c\ubc14\ub978 \uc811\uadfc \ubc29\uc2dd<\/strong>: \ud658\uacbd\uc744 \uc194\uc9c1\ud558\uac8c \ud3c9\uac00\ud558\uace0(\ub300\ubd80\ubd84\uc758 \uc0b0\uc5c5 \ud604\uc7a5\uc740 \uc624\uc5fc\ub3c4 2\uac00 \uc544\ub2cc 3\uc784), \uc624\uc5fc\ub3c4\uc5d0 \uc801\ud569\ud55c Ui \ubc0f \uac80\uc99d\ub41c \uc5f0\uba74 \uac70\ub9ac\ub97c \uac00\uc9c4 \uc7a5\ube44\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624. \ud655\uc2e4\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0 \ub2e4\uc74c\uc73c\ub85c \ub192\uc740 Ui \ub4f1\uae09\uc744 \uc9c0\uc815\ud558\uc5ec \uc801\uc808\ud55c \uac04\uaca9\uc744 \ud655\ubcf4\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uc2e4\uc218 5: \uc804\ub958 \uc815\uaca9\uc774 \uc804\uc555\uc5d0 \ub3c5\ub9bd\uc801\uc774\ub77c\uace0 \uac00\uc815<\/h3>\n<p><strong>\uc624\ub958<\/strong>: Ue 400V\uc5d0\uc11c Ie 95A\ub85c \uc815\uaca9\ub41c \uc811\ucd09\uae30\ub97c \uc120\ud0dd\ud558\uace0 Ue 690V\uc5d0\uc11c\ub3c4 \ub3d9\uc77c\ud55c 95A \uae30\ub2a5\uc744 \uae30\ub300\ud558\ub294 \uacbd\uc6b0.<\/p>\n<p><strong>\uc65c \uc798\ubabb\ub418\uc5c8\uc2b5\ub2c8\uae4c?<\/strong>: \uc804\uc555\uc774 \ub192\uc744\uc218\ub85d \uc811\uc810 \uc544\ud06c \ucc28\ub2e8\uc5d0 \ub354 \ud070 \uc2a4\ud2b8\ub808\uc2a4\uac00 \uac00\ud574\uc9d1\ub2c8\ub2e4. \uc811\ucd09\uae30 \ubc0f \uc2a4\uc704\uce58\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc804\uc555\uc774 \ub192\uc744\uc218\ub85d \uc804\ub958 \uc6a9\ub7c9\uc774 \uac10\uc18c\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\ub294 \uc5ec\ub7ec Ue\/Ie \uc870\ud569\uc774 \ub098\uc5f4\ub418\uc5b4 \uc788\uc73c\uba70 Ue\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c Ie \uac12\uc774 \uac10\uc18c\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc62c\ubc14\ub978 \uc811\uadfc \ubc29\uc2dd<\/strong>: \ud56d\uc0c1 \ud2b9\uc815 \uc791\ub3d9 \uc804\uc555\uc5d0\uc11c \uc804\ub958 \uc815\uaca9\uc744 \uc77d\uc73c\uc2ed\uc2dc\uc624. 690V \uc791\ub3d9\uc744 \uc704\ud574 \uc124\uacc4\ud558\ub294 \uacbd\uc6b0 Ue 400V\uc5d0\uc11c \uc120\uc5b8\ub41c (\ub354 \ub192\uc740) \uac12\uc774 \uc544\ub2cc Ue 690V\uc5d0\uc11c \uc120\uc5b8\ub41c Ie \uac12\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uc2e4\uc218 6: \uc8fc\uac70\uc6a9 \ubc0f \uc0b0\uc5c5\uc6a9 \uc7a5\ube44 \ud63c\uc6a9<\/h3>\n<p><strong>\uc624\ub958<\/strong>: \ube44\uc6a9\uc744 \uc808\uac10\ud558\uae30 \uc704\ud574 \uc0b0\uc5c5 \uc81c\uc5b4 \ud328\ub110\uc5d0 \uc8fc\uac70\uc6a9 MCCB(\uc815\uaca9 Uimp 6 kV)\ub97c \uc9c0\uc815\ud558\ub294 \uacbd\uc6b0.<\/p>\n<p><strong>\uc65c \uc798\ubabb\ub418\uc5c8\uc2b5\ub2c8\uae4c?<\/strong>: \uc8fc\uac70\uc6a9 \uc7a5\ube44\ub294 \ub0ae\uc740 \uacfc\ub3c4 \ub178\ucd9c\uc774 \uc788\ub294 \uce74\ud14c\uace0\ub9ac II \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud574 \ud14c\uc2a4\ud2b8 \ubc0f \uc778\uc99d\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc0b0\uc5c5 \ud658\uacbd(\uce74\ud14c\uace0\ub9ac III\/IV)\uc740 \uc8fc\uac70\uc6a9 \uc7a5\ube44\uc758 \uc124\uacc4 \ubc94\uc704\ub97c \ucd08\uacfc\ud569\ub2c8\ub2e4. \uc8fc\uac70\uc6a9 \ubc0f \uc0b0\uc5c5\uc6a9 \uad6c\uc131 \uc694\uc18c\ub97c \ud63c\ud569\ud558\uba74 \uc870\uc815 \uaca9\ucc28 \ubc0f \uaddc\uc815 \uc900\uc218 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc62c\ubc14\ub978 \uc811\uadfc \ubc29\uc2dd<\/strong>: \uc7a5\ube44 \ub4f1\uae09\uc744 \uc124\uce58 \uc720\ud615\uacfc \uc77c\uce58\uc2dc\ud0a4\uc2ed\uc2dc\uc624. \uacf5\uc7a5, \ud50c\ub79c\ud2b8 \ubc0f \uace0\uc815 \uac74\ubb3c \uc124\uce58\uc5d0\ub294 \uc0b0\uc5c5\uc6a9 \ub4f1\uae09 \uad6c\uc131 \uc694\uc18c(\ucd5c\uc18c Uimp 8 kV)\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc2e4\uc81c \uc8fc\uac70\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\ub294 \uc8fc\uac70\uc6a9 \ub4f1\uae09 \uc7a5\ube44(Uimp 4-6 kV)\ub97c \uc608\uc57d\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>\uc2e4\uc218 7: \uad50\uccb4 \uc7a5\ube44 \uc815\uaca9 \ud655\uc778\uc744 \uc78a\ub294 \uacbd\uc6b0<\/h3>\n<p><strong>\uc624\ub958<\/strong>: \uc804\ub958 \uc815\uaca9\uc740 \uc77c\uce58\ud558\uc9c0\ub9cc \uc804\uc555 \uc815\uaca9\uc774 \ub0ae\uc740 \u201c\ub3d9\ub4f1\ud55c\u201d \uc7a5\uce58\ub85c \uace0\uc7a5\ub09c \uc7a5\ube44\ub97c \uad50\uccb4\ud558\ub294 \uacbd\uc6b0.<\/p>\n<p><strong>\uc65c \uc798\ubabb\ub418\uc5c8\uc2b5\ub2c8\uae4c?<\/strong>: \uc6d0\ub798 \uc7a5\ube44\ub294 \uc644\uc804\ud55c \uc804\uc555 \uc815\uaca9(Ue, Ui, Uimp)\uc73c\ub85c \uc9c0\uc815\ub41c \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ubd80\uc801\uc808\ud55c Ui \ub610\ub294 Uimp\ub97c \uac00\uc9c4 \uad50\uccb4 \uc7a5\uce58\ub294 \ubb3c\ub9ac\uc801\uc73c\ub85c \ub9de\uace0 \ucc98\uc74c\uc5d0\ub294 \uc791\ub3d9\ud560 \uc218 \uc788\uc9c0\ub9cc \uc804\uae30\uc801 \uc2a4\ud2b8\ub808\uc2a4 \ud558\uc5d0\uc11c \uc870\uae30\uc5d0 \uace0\uc7a5\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\uc62c\ubc14\ub978 \uc811\uadfc \ubc29\uc2dd<\/strong>: \ubaa8\ub4e0 \uc804\uc555 \uc815\uaca9\uc744 \ud3ec\ud568\ud558\uc5ec \uc6d0\ub798 \uc7a5\ube44 \uc0ac\uc591\uc744 \ubb38\uc11c\ud654\ud558\uc2ed\uc2dc\uc624. \uad50\uccb4\ud488\uc774 \uc804\ub958 \uc6a9\ub7c9 \ubc0f \ubb3c\ub9ac\uc801 \uacf5\uac04\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc138 \uac00\uc9c0 \uc815\uaca9(Ue, Ui, Uimp)\uc744 \ubaa8\ub450 \ucda9\uc871\ud558\uac70\ub098 \ucd08\uacfc\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>Ue, Ui \ubc0f Uimp\ub294 \ub3d9\uc77c\ud55c \uac83\uc744 \ub098\ud0c0\ub0b4\ub294 \uc138 \uac00\uc9c0 \ubc29\ubc95\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc774\ub294 \uc791\ub3d9 \uae30\ub2a5(Ue), \uc808\uc5f0 \uac15\ub3c4(Ui) \ubc0f \uacfc\ub3c4 \uc11c\uc9c0 \ub0b4\uc131(Uimp)\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \uc804\uae30\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub97c \ub2e4\ub8e8\ub294 \uc138 \uac00\uc9c0 \uac1c\ubcc4 \uce21\uc815\uac12\uc785\ub2c8\ub2e4. \uc7a5\ube44 \uc120\ud0dd\uc5d0\ub294 \uc2dc\uc2a4\ud15c \uc804\uc555, \uc124\uce58 \ubc94\uc8fc \ubc0f \ud658\uacbd \uc870\uac74\uc5d0 \ub300\ud55c \uc138 \uac00\uc9c0 \ubaa8\ub450\ub97c \ud3c9\uac00\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\u201cUe 400V, Ui 690V, Uimp 8kV\u201d\ub97c \ud45c\uc2dc\ud558\ub294 MCCB\uc640 \u201cUe 690V, Ui 800V, Uimp 6kV\u201d\ub97c \ud45c\uc2dc\ud558\ub294 MCCB \uc911 \uc5b4\ub290 \uac83\uc774 400V \uc2dc\uc2a4\ud15c\uc5d0 \uc801\ud569\ud55c\uac00\ub77c\ub294 \uccab \ubc88\uc9f8 \uc9c8\ubb38\uc5d0 \ub300\ud55c \uba85\ud655\ud55c \ub2f5\ubcc0\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uccab \ubc88\uc9f8 MCCB\ub294 \uc801\uc808\ud55c \uc808\uc5f0 \ub9c8\uc9c4(Ui 690V)\uacfc \uce74\ud14c\uace0\ub9ac III \uc124\uce58\uc5d0 \uc801\ud569\ud55c \uc0b0\uc5c5\uc6a9 \ub4f1\uae09 \uc11c\uc9c0 \ub0b4\uc131(Uimp 8 kV)\uc73c\ub85c \uc791\ub3d9 \uc804\uc555(Ue 400V)\uacfc \uc77c\uce58\ud569\ub2c8\ub2e4. \ub450 \ubc88\uc9f8 MCCB\ub294 \uc791\ub3d9 \uc804\uc555\uc5d0 \ub300\ud574 \uacfc\ub3c4\ud558\uac8c \uc9c0\uc815\ub418\uc5c8\uace0(Ue 690V\uac00 400V \ud544\uc694\ub97c \ucd08\uacfc\ud568) \uc11c\uc9c0 \ubcf4\ud638\uc5d0 \ub300\ud574 \uacfc\uc18c\ud558\uac8c \uc9c0\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4(Uimp 6 kV\ub294 \uc0b0\uc5c5 \uce74\ud14c\uace0\ub9ac III\uc5d0 \ub300\ud574 \ubbf8\ubbf8\ud568). \uccab \ubc88\uc9f8 \uc7a5\uce58\uac00 \uc62c\ubc14\ub978 \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc801\uc808\ud55c \uc0ac\uc591\uc740 \uccb4\uacc4\uc801\uc778 \ud3c9\uac00\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \ucd5c\uc18c Ue\ub97c \uacb0\uc815\ud558\uae30 \uc704\ud574 \uc2dc\uc2a4\ud15c \uc804\uc555\uc744 \uc2dd\ubcc4\ud558\uace0, \ud544\uc694\ud55c Uimp\ub97c \uc815\uc758\ud558\uae30 \uc704\ud574 \uc124\uce58 \ubc94\uc8fc\ub97c \ubd84\ub958\ud558\uace0, Ui \ubc0f \uc5f0\uba74 \uac70\ub9ac \uc801\uc808\uc131\uc744 \uac80\uc99d\ud558\uae30 \uc704\ud574 \uc624\uc5fc\ub3c4\ub97c \ud3c9\uac00\ud558\uace0, \uc791\ub3d9 \uc804\uc555\uc5d0\uc11c \uc804\ub958 \uc815\uaca9\uc744 \uad50\ucc28 \ud655\uc778\ud569\ub2c8\ub2e4. \uc815\uaca9\uc774 \ubbf8\ubbf8\ud55c \uacbd\uc6b0 \ub2e4\uc74c\uc73c\ub85c \ub192\uc740 \ud45c\uc900 \uac12\uc744 \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624. \uc804\uc555 \uc815\uaca9\uc744 \uacfc\ub3c4\ud558\uac8c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\ud558\ub294 \ub370 \ub4dc\ub294 \ube44\uc6a9\uc740 \uc870\uae30 \uace0\uc7a5 \ubc0f \uae34\uae09 \uad50\uccb4 \ube44\uc6a9\ubcf4\ub2e4 \ud6e8\uc52c \uc800\ub834\ud569\ub2c8\ub2e4.<\/p>\n<p>\uac00\uc7a5 \uc911\uc694\ud55c \uac83\uc740 \uc120\ud0dd \uc0ac\ud56d\uc744 \ubb38\uc11c\ud654\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. Ue, Ui \ubc0f Uimp\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uc7a5\ube44 \ub370\uc774\ud130\uc2dc\ud2b8\ub294 \ud14c\uc2a4\ud2b8\ub418\uace0 \uc778\uc99d\ub41c \uc131\ub2a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc138 \uac00\uc9c0 \uc22b\uc790\ub294 \uc7a5\uce58\uac00 \uc624\ub298\ub0a0\uc758 \uc815\uc0c1 \uc0c1\ud0dc \uc791\ub3d9\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc218\ub144\uac04\uc758 \uc804\uc555 \ubcc0\ub3d9, \ud658\uacbd \uc624\uc5fc \ubc0f \uacfc\ub3c4 \uc11c\uc9c0\ub97c \ud3ec\ud568\ud558\uc5ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc644\uc804\ud55c \uc804\uae30\uc801 \uc2a4\ud2b8\ub808\uc2a4 \ud504\ub85c\ud544\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \uc54c\ub824\uc90d\ub2c8\ub2e4. \uc62c\ubc14\ub974\uac8c \uc77d\uace0 \uc2e0\uc911\ud558\uac8c \uc9c0\uc815\ud558\uba74 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc774 \ud574\ub2f9 \ud45c\uc900\uc774 \uc57d\uc18d\ud558\ub294 \uc548\uc815\uc801\uc778 \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>You&#8217;re comparing two MCCBs with identical current ratings\u2014both are 100A, three-pole devices. But the voltage specifications read differently: one shows &#8220;Ue 400V, Ui 690V, Uimp 8kV&#8221; while the other lists &#8220;Ue 690V, Ui 800V, Uimp 6kV.&#8221; Which one fits your 400V three-phase system? Can you safely use the first breaker even though its Ue matches [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20610,"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-20608","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\/20608","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=20608"}],"version-history":[{"count":6,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/20608\/revisions"}],"predecessor-version":[{"id":20781,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/posts\/20608\/revisions\/20781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/media\/20610"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/media?parent=20608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/categories?post=20608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ko\/wp-json\/wp\/v2\/tags?post=20608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}