{"id":21209,"date":"2026-01-06T00:10:09","date_gmt":"2026-01-05T16:10:09","guid":{"rendered":"https:\/\/viox.com\/?p=21209"},"modified":"2026-01-06T00:17:14","modified_gmt":"2026-01-05T16:17:14","slug":"electrical-derating-temperature-altitude-grouping-factors","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/electrical-derating-temperature-altitude-grouping-factors\/","title":{"rendered":"\u96fb\u6c17\u7684\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30de\u30b9\u30bf\u30fc\u30ac\u30a4\u30c9\uff1a\u6e29\u5ea6\u3001\u9ad8\u5ea6\u3001\u304a\u3088\u3073\u30b0\u30eb\u30fc\u30d7\u5316\u4fc2\u6570"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>\u96fb\u6c17\u7684\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u7406\u89e3\uff1a\u5b89\u5168\u306a\u8a2d\u7f6e\u306e\u305f\u3081\u306b\u91cd\u8981\u306a\u7406\u7531<\/h2>\n<p>\u96fb\u6c17\u7684\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u306f\u3001\u6a19\u6e96\u7684\u306a\u8a66\u9a13\u74b0\u5883\u304b\u3089\u9038\u8131\u3057\u305f\u5b9f\u969b\u306e\u8a2d\u7f6e\u6761\u4ef6\u3092\u8003\u616e\u3057\u3066\u3001\u5c0e\u4f53\u306e\u8a31\u5bb9\u96fb\u6d41\u5bb9\u91cf\uff08\u30a2\u30f3\u30da\u30a2\u5bb9\u91cf\uff09\u3092\u4f53\u7cfb\u7684\u306b\u4f4e\u6e1b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30b1\u30fc\u30d6\u30eb\u304c\u9ad8\u6e29\u3001\u9ad8\u5730\u3001\u307e\u305f\u306f\u4ed6\u306e\u5c0e\u4f53\u3068\u675f\u306d\u3089\u308c\u305f\u72b6\u614b\u3067\u52d5\u4f5c\u3059\u308b\u3068\u3001\u653e\u71b1\u80fd\u529b\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u8a08\u7b97\u3092\u884c\u308f\u306a\u3044\u3068\u3001\u8a2d\u7f6e\u306f\u6df1\u523b\u306a\u30ea\u30b9\u30af\u306b\u76f4\u9762\u3057\u307e\u3059\u3002\u65e9\u671f\u306e\u7d76\u7e01\u7834\u58ca\u3001, <a href=\"https:\/\/test.viox.com\/ja\/mcb\/\">\u6f0f\u96fb\u30d6\u30ec\u30fc\u30ab\u30fc<\/a> \u4e0d\u5feb\u306a\u30c8\u30ea\u30c3\u30d7\u3001\u706b\u707d\u306e\u5371\u967a\u3001\u304a\u3088\u3073NEC\u7b2c310.15\u6761\u304a\u3088\u3073IEC 60364-5-52\u898f\u683c\u3078\u306e\u4e0d\u9069\u5408\u3002.<\/p>\n<p>B2B\u306e\u5c02\u9580\u5bb6\u304c\u8a2d\u7f6e\u3059\u308b\u5834\u5408 <a href=\"https:\/\/test.viox.com\/ja\/rccb-ev-charging-type-b-vs-type-f-vs-type-ev\/\">EV\u5145\u96fb\u30a4\u30f3\u30d5\u30e9<\/a>, \u3001\u30bd\u30fc\u30e9\u30fc\u30a2\u30ec\u30a4\u3001\u307e\u305f\u306f\u7523\u696d\u7528\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u306e\u5834\u5408\u3001\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u306e\u7406\u89e3\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u3001\u5b89\u5168\u6027\u3001\u898f\u683c\u6e96\u62e0\u3001\u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u306e\u5bff\u547d\u306b\u3068\u3063\u3066\u57fa\u672c\u7684\u306a\u8981\u4ef6\u3067\u3059\u3002\u3053\u306e\u30de\u30b9\u30bf\u30fc\u30ac\u30a4\u30c9\u306f\u3001\u6b63\u78ba\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u3092\u8a08\u7b97\u3057\u3001\u3042\u3089\u3086\u308b\u8a2d\u7f6e\u30b7\u30ca\u30ea\u30aa\u306b\u5408\u308f\u305b\u3066\u5c0e\u4f53\u306e\u30b5\u30a4\u30ba\u3092\u9069\u5207\u306b\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u6280\u8853\u7684\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/High-temperature-electrical-installation-showing-VIOX-circuit-protection-equipment-operating-in-extreme-ambient-conditions-requiring-temperature-derating-factors.webp\" alt=\"High-temperature electrical installation showing VIOX circuit protection equipment operating in extreme ambient conditions requiring temperature derating factors\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\u9ad8\u6e29\u306e\u96fb\u6c17\u8a2d\u5099\u3067\u306f\u3001\u6e29\u5ea6\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u3092\u5fc5\u8981\u3068\u3059\u308b\u6975\u7aef\u306a\u5468\u56f2\u6761\u4ef6\u4e0b\u3067\u52d5\u4f5c\u3059\u308bVIOX\u56de\u8def\u4fdd\u8b77\u6a5f\u5668\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/figcaption><\/figure>\n<h2>\u7b2c1\u7ae0\uff1a\u6e29\u5ea6\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570<\/h2>\n<h3>\u5468\u56f2\u7a7a\u6c17\u6e29\u5ea6\u88dc\u6b63<\/h3>\n<p><strong>\u6a19\u6e96\u7684\u306a\u57fa\u6e96\u6761\u4ef6<\/strong> \u7a7a\u6c17\u4e2d\u306b\u8a2d\u7f6e\u3055\u308c\u305f\u30b1\u30fc\u30d6\u30eb\u306e\u5834\u5408\u3001\u5468\u56f2\u6e29\u5ea6\u309230\u00b0C\uff0886\u00b0F\uff09\u3068\u4eee\u5b9a\u3057\u307e\u3059\u3002\u5b9f\u969b\u306e\u6e29\u5ea6\u304c\u3053\u306e\u57fa\u6e96\u5024\u3092\u8d85\u3048\u308b\u5834\u5408\u306f\u3001NEC\u8868310.15(B)(1)\u307e\u305f\u306fIEC 60364-5-52\u8868B.52.14\u306b\u5f93\u3063\u3066\u3001\u5c0e\u4f53\u306e\u8a31\u5bb9\u96fb\u6d41\u5bb9\u91cf\u3092\u4f4e\u6e1b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u4e00\u822c\u7684\u306a\u7d76\u7e01\u30bf\u30a4\u30d7\u306e\u91cd\u8981\u306a\u6e29\u5ea6\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\uff1a<\/strong><\/p>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u5468\u56f2\u6e29\u5ea6<\/th>\n<th>PVC\u7d76\u7e01\uff0870\u00b0C\uff09<\/th>\n<th>XLPE\/EPR\u7d76\u7e01\uff0890\u00b0C\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>30\u00b0C (86\u00b0F)<\/td>\n<td>1.00<\/td>\n<td>1.00<\/td>\n<\/tr>\n<tr>\n<td>35\u00b0C\uff0895\u00b0F\uff09<\/td>\n<td>0.94<\/td>\n<td>0.96<\/td>\n<\/tr>\n<tr>\n<td>17.5V \u2013 22.0V<\/td>\n<td>0.87<\/td>\n<td>0.91<\/td>\n<\/tr>\n<tr>\n<td>45\u00b0C\uff08113\u00b0F\uff09<\/td>\n<td>0.79<\/td>\n<td>0.87<\/td>\n<\/tr>\n<tr>\n<td>50\u00b0C (122\u00b0F)<\/td>\n<td>0.71<\/td>\n<td>0.82<\/td>\n<\/tr>\n<tr>\n<td>15.8V \u2013 19.8V<\/td>\n<td>0.61<\/td>\n<td>0.76<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff1a<\/strong> \u5546\u696d\u65bd\u8a2d\u306e\u5c4b\u4e0a\u306b\u3042\u308b\u30bd\u30fc\u30e9\u30fc\u8a2d\u5099\u3067\u306f\u3001\u590f\u306b50\u301c55\u00b0C\u306e\u5468\u56f2\u6e29\u5ea6\u3092\u65e5\u5e38\u7684\u306b\u7d4c\u9a13\u3057\u307e\u3059\u300230\u00b0C\u306740A\u5b9a\u683c\u306e10 AWG\u9285THHN\u5c0e\u4f53\u306f\u3001\u308f\u305a\u304b <strong>32.8A<\/strong> \uff0840A \u00d7 0.82\uff0950\u00b0C\u3067\u2014\u3053\u308c\u306f\u3001\u904e\u5c0f\u30b5\u30a4\u30ba\u306e\u5c0e\u4f53\u3092\u904e\u8ca0\u8377\u306b\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b18%\u306e\u524a\u6e1b\u3067\u3059\u3002.<\/p>\n<h3>\u5730\u4e2d\u30b1\u30fc\u30d6\u30eb\u306e\u571f\u58cc\u6e29\u5ea6\u88dc\u6b63<\/h3>\n<p>\u5730\u4e2d\u8a2d\u7f6e\u306f\u3001\u7570\u306a\u308b\u71b1\u7684\u8ab2\u984c\u306b\u76f4\u9762\u3057\u307e\u3059\u3002IEC 60287\u304a\u3088\u3073NEC\u898f\u683c\u306f\u53c2\u7167\u3057\u307e\u3059 <strong>20\u00b0C\uff0868\u00b0F\uff09\u306e\u571f\u58cc\u6e29\u5ea6<\/strong> \u57cb\u8a2d\u30b1\u30fc\u30d6\u30eb\u306e\u57fa\u6e96\u3068\u3057\u3066\u3002.<\/p>\n<p><strong>\u571f\u58cc\u6e29\u5ea6\u88dc\u6b63\u4fc2\u6570\uff1a<\/strong><\/p>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u571f\u58cc\u6e29\u5ea6<\/th>\n<th>\u88dc\u6b63\u4fc2\u6570\uff08\u3059\u3079\u3066\u306e\u7d76\u7e01\u30bf\u30a4\u30d7\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20\u00b0C\uff0868\u00b0F\uff09<\/td>\n<td>1.00<\/td>\n<\/tr>\n<tr>\n<td>19.5V \u2013 24.2V<\/td>\n<td>0.96<\/td>\n<\/tr>\n<tr>\n<td>30\u00b0C (86\u00b0F)<\/td>\n<td>0.92<\/td>\n<\/tr>\n<tr>\n<td>35\u00b0C\uff0895\u00b0F\uff09<\/td>\n<td>0.87<\/td>\n<\/tr>\n<tr>\n<td>17.5V \u2013 22.0V<\/td>\n<td>0.82<\/td>\n<\/tr>\n<tr>\n<td>45\u00b0C\uff08113\u00b0F\uff09<\/td>\n<td>0.77<\/td>\n<\/tr>\n<tr>\n<td>50\u00b0C (122\u00b0F)<\/td>\n<td>0.71<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u57cb\u8a2d\u6df1\u5ea6\u3082\u71b1\u6027\u80fd\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002.<\/strong> 80cm\u306e\u6df1\u3055\u306b\u57cb\u8a2d\u3055\u308c\u305f\u30b1\u30fc\u30d6\u30eb\u306f\u300150cm\u306e\u6df1\u3055\u306b\u57cb\u8a2d\u3055\u308c\u305f\u30b1\u30fc\u30d6\u30eb\u3088\u308a\u3082\u7d044%\u512a\u308c\u305f\u653e\u71b1\u6027\u3092\u6301\u3061\u3001\u88dc\u6b63\u4fc2\u6570\u306f <strong>0.96<\/strong> \u9ad8\u3044\u571f\u58cc\u6e29\u5ea6\u3092\u90e8\u5206\u7684\u306b\u76f8\u6bba\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u65ad\u71b1\u6750\u63a5\u89e6\u52b9\u679c<\/h3>\n<p>\u30b1\u30fc\u30d6\u30eb\u304c\u65ad\u71b1\u6750\u3092\u901a\u904e\u3059\u308b\u304b\u3001\u65ad\u71b1\u6750\u3067\u56f2\u307e\u308c\u3066\u3044\u308b\u5834\u5408\uff08\u5efa\u7269\u306e\u8cab\u901a\u90e8\u3067\u4e00\u822c\u7684\uff09\u3001\u653e\u71b1\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3057\u307e\u3059\u3002NEC 310.15(A)(3)\u304a\u3088\u3073IEC 60364-5-52\u306b\u5f93\u3063\u3066\uff1a<\/p>\n<ul>\n<li><strong>100mm\u4ee5\u4e0b\u306e\u65ad\u71b1\u6750\u306b\u63a5\u89e6\u3059\u308b\u30b1\u30fc\u30d6\u30eb\uff1a<\/strong> \u4fc2\u6570\u3092\u9069\u7528\u3057\u307e\u3059 <strong>0.89<\/strong><\/li>\n<li><strong>500mm\u3092\u8d85\u3048\u308b\u65ad\u71b1\u6750\u3067\u56f2\u307e\u308c\u305f\u30b1\u30fc\u30d6\u30eb\uff1a<\/strong> \u4fc2\u6570\u3092\u9069\u7528\u3057\u307e\u3059 <strong>0.50<\/strong> \uff0850%\u524a\u6e1b\uff09<\/li>\n<li><strong>\u65ad\u71b1\u7a7a\u9593\u306e\u30ea\u30f3\u30b0\u6700\u7d42\u56de\u8def\uff1a<\/strong> 2.5mm\u00b2\u304b\u30894mm\u00b2\u3078\u306e\u30b5\u30a4\u30ba\u30a2\u30c3\u30d7\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/li>\n<\/ul>\n<p>\u306b\u3064\u3044\u3066 <a href=\"https:\/\/test.viox.com\/ja\/residential-circuit-breakers-vs-industrial-circuit-breakers\/\">\u4f4f\u5b85\u304a\u3088\u3073\u5546\u696d\u7528\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a>, \u3001\u3053\u306e\u898b\u904e\u3054\u3055\u308c\u304c\u3061\u306a\u8981\u56e0\u306f\u3001\u91cd\u5927\u306a\u30b5\u30a4\u30b8\u30f3\u30b0\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Technical-diagram-comparing-heat-dissipation-in-different-cable-installation-methods-with-corresponding-derating-factors-for-thermal-insulation-contact.webp\" alt=\"Technical diagram comparing heat dissipation in different cable installation methods with corresponding derating factors for thermal insulation contact\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\u65ad\u71b1\u6750\u63a5\u89e6\u306e\u5bfe\u5fdc\u3059\u308b\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u3092\u4f7f\u7528\u3057\u305f\u3001\u3055\u307e\u3056\u307e\u306a\u30b1\u30fc\u30d6\u30eb\u8a2d\u7f6e\u65b9\u6cd5\u306b\u304a\u3051\u308b\u653e\u71b1\u3092\u6bd4\u8f03\u3059\u308b\u6280\u8853\u56f3\u3002.<\/figcaption><\/figure>\n<h2>\u7b2c2\u7ae0\uff1a\u9ad8\u5ea6\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570<\/h2>\n<h3>\u9ad8\u5ea6\u304c\u96fb\u6c17\u6a5f\u5668\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u7406\u7531<\/h3>\n<p>\u6a19\u9ad81,000\u30e1\u30fc\u30c8\u30eb\uff083,300\u30d5\u30a3\u30fc\u30c8\uff09\u3092\u8d85\u3048\u308b\u5834\u6240\u3067\u306f\u3001, <strong>\u5927\u6c17\u5727\u306e\u4f4e\u4e0b<\/strong> \u7a7a\u6c17\u5bc6\u5ea6\u304c\u4f4e\u4e0b\u3057\u3001\u96fb\u6c17\u6a5f\u5668\u306e\u51b7\u5374\u52b9\u7387\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u30b1\u30fc\u30d6\u30eb\u8868\u9762\u3001\u5909\u5727\u5668\u3001\u304a\u3088\u3073\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304b\u3089\u306e\u653e\u71b1\u304c\u52b9\u679c\u7684\u3067\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u5bb9\u91cf\u3092\u524a\u6e1b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>IEC 60364-5-52\u304a\u3088\u3073\u30e1\u30fc\u30ab\u30fc\u306e\u4ed5\u69d8\u306b\u57fa\u3065\u304f\u9ad8\u5ea6\u88dc\u6b63\u4fc2\u6570\uff1a<\/strong><\/p>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u9ad8\u5ea6 (\u30e1\u30fc\u30c8\u30eb)<\/th>\n<th>\u6a19\u9ad8\uff08\u30d5\u30a3\u30fc\u30c8\uff09<\/th>\n<th>\u96fb\u529b\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570<\/th>\n<th>\u96fb\u5727\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0-1,000<\/td>\n<td>0-3,300<\/td>\n<td>1.00<\/td>\n<td>1.00<\/td>\n<\/tr>\n<tr>\n<td>1,000-1,500<\/td>\n<td>3,300-4,900<\/td>\n<td>0.99<\/td>\n<td>1.00<\/td>\n<\/tr>\n<tr>\n<td>1,500-2,000<\/td>\n<td>4,900-6,600<\/td>\n<td>0.97<\/td>\n<td>0.99<\/td>\n<\/tr>\n<tr>\n<td>2,000-3,000<\/td>\n<td>6,600-9,800<\/td>\n<td>0.94<\/td>\n<td>0.98<\/td>\n<\/tr>\n<tr>\n<td>3,000-4,000<\/td>\n<td>9,800-13,100<\/td>\n<td>0.90<\/td>\n<td>0.97<\/td>\n<\/tr>\n<tr>\n<td>4,000-5,000<\/td>\n<td>13,100-16,400<\/td>\n<td>0.86<\/td>\n<td>0.95<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u5c71\u5cb3\u5730\u5e2f\u306e\u8a2d\u7f6e\u306b\u95a2\u3059\u308b\u5b9f\u969b\u7684\u306a\u5f71\u97ff<\/h3>\n<p><strong>\u4e8b\u4f8b\u7814\u7a76\uff1a<\/strong> \u30b3\u30ed\u30e9\u30c9\u5dde\u306e\u6a19\u9ad82,500\u30e1\u30fc\u30c8\u30eb\u306b\u8a2d\u7f6e\u3055\u308c\u305f22kW\u306eEV\u5145\u96fb\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u3001 <strong>120A \u00f7 0.95 = 126.3A<\/strong> \u9ad8\u5ea6\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u5f8c\u3002\u3053\u308c\u306f\u3001\u6d77\u9762\u30ec\u30d9\u30eb\u306e\u8a2d\u7f6e\u3068\u6bd4\u8f03\u3057\u30665.3%\u306e\u5bb9\u91cf\u524a\u6e1b\u3092\u8868\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u6a5f\u5668\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805\uff1a<\/strong><\/p>\n<ul>\n<li>\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u9ad8\u5ea6\u3067\u906e\u65ad\u5bb9\u91cf\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/li>\n<li>\u5909\u5727\u5668\u306e\u51b7\u5374\u52b9\u7387\u306f\u7d04 <strong>100\u30e1\u30fc\u30c8\u30eb\u3042\u305f\u308a1%<\/strong> 1,000m\u3092\u8d85\u3048\u308b<\/li>\n<li>\u30b9\u30a4\u30c3\u30c1\u30ae\u30a2\u304a\u3088\u3073\u30d1\u30cd\u30eb\u30dc\u30fc\u30c9\u306b\u306f\u3001\u9069\u5207\u306a\u5bfe\u6d41\u51b7\u5374\u306e\u305f\u3081\u306b\u3001\u3088\u308a\u5927\u304d\u306a\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u304c\u5fc5\u8981\u3067\u3059<\/li>\n<li>VIOX\u7523\u696d\u7528\u30b0\u30ec\u30fc\u30c9 <a href=\"https:\/\/test.viox.com\/ja\/circuit-breaker-altitude-derating-guide\/\">\u906e\u65ad\u5668<\/a> \u6700\u59274,000m\u307e\u3067\u306e\u9ad8\u5ea6\u88dc\u511f\u5b9a\u683c\u3092\u7d44\u307f\u8fbc\u3093\u3067\u3044\u307e\u3059<\/li>\n<\/ul>\n<p><strong>\u6ce8\uff1a<\/strong> \u6db2\u4f53\u51b7\u5374\u88c5\u7f6e\u306f\u3001\u51b7\u5374\u6750\u306e\u6e29\u5ea6\u3092\u4e0b\u3052\u308b\u3053\u3068\u3067\u9ad8\u5ea6\u306e\u5f71\u97ff\u3092\u90e8\u5206\u7684\u306b\u88dc\u511f\u3067\u304d\u307e\u3059\u304c\u3001\u7a7a\u51b7\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u8868\u3092\u53b3\u5b88\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Altitude-derating-factors-illustrated-through-atmospheric-pressure-reduction-and-its-impact-on-electrical-equipment-cooling-efficiency.webp\" alt=\"Altitude derating factors illustrated through atmospheric pressure reduction and its impact on electrical equipment cooling efficiency\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\u5927\u6c17\u5727\u306e\u4f4e\u4e0b\u3068\u3001\u305d\u308c\u304c\u96fb\u6c17\u6a5f\u5668\u306e\u51b7\u5374\u52b9\u7387\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3092\u901a\u3058\u3066\u8aac\u660e\u3055\u308c\u308b\u9ad8\u5ea6\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u3002.<\/figcaption><\/figure>\n<h2>\u7b2c3\u9805\uff1a\u30b1\u30fc\u30d6\u30eb\u306e\u30b0\u30eb\u30fc\u30d7\u5316\u3068\u675f\u306d\u306b\u3088\u308b\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n<h3>\u591a\u82af\u30b1\u30fc\u30d6\u30eb\u6577\u8a2d\u306b\u304a\u3051\u308b\u76f8\u4e92\u52a0\u71b1\u52b9\u679c<\/h3>\n<p>\u8907\u6570\u306e\u901a\u96fb\u5c0e\u4f53\u304c\u540c\u3058\u96fb\u7dda\u7ba1\u3001\u30b1\u30fc\u30d6\u30eb\u30c8\u30ec\u30a4\u3001\u307e\u305f\u306f\u5730\u4e2d\u30c8\u30ec\u30f3\u30c1\u3092\u5171\u6709\u3059\u308b\u5834\u5408\u3001\u305d\u308c\u3089\u306f <strong>\u76f8\u4e92\u52a0\u71b1<\/strong> \u3092\u767a\u751f\u3055\u305b\u3001\u5404\u30b1\u30fc\u30d6\u30eb\u306e\u653e\u71b1\u80fd\u529b\u3092\u4f4e\u4e0b\u3055\u305b\u307e\u3059\u3002\u3053\u306e\u73fe\u8c61\u306b\u3088\u308a\u3001NEC\u8868310.15(C)(1)\u304a\u3088\u3073IEC 60364-5-52\u306b\u5f93\u3063\u3066\u3001\u7a4d\u6975\u7684\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\uff08NEC\/IEC\u898f\u683c\uff09\uff1a<\/strong><\/p>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u901a\u96fb\u5c0e\u4f53\u6570<\/th>\n<th>\u8abf\u6574\u4fc2\u6570<\/th>\n<th>\u5b9f\u52b9\u8a31\u5bb9\u96fb\u6d41\u640d\u5931<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1-3<\/td>\n<td>1.00<\/td>\n<td>0%<\/td>\n<\/tr>\n<tr>\n<td>4-6<\/td>\n<td>0.80<\/td>\n<td>20%<\/td>\n<\/tr>\n<tr>\n<td>7-9<\/td>\n<td>0.70<\/td>\n<td>30%<\/td>\n<\/tr>\n<tr>\n<td>10-20<\/td>\n<td>0.50<\/td>\n<td>50%<\/td>\n<\/tr>\n<tr>\n<td>21-30<\/td>\n<td>0.45<\/td>\n<td>55%<\/td>\n<\/tr>\n<tr>\n<td>31-40<\/td>\n<td>0.40<\/td>\n<td>60%<\/td>\n<\/tr>\n<tr>\n<td>41+<\/td>\n<td>0.35<\/td>\n<td>65%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u9ad8\u8abf\u6ce2\u96fb\u6d41\u3092\u6d41\u3059\u4e2d\u6027\u7dda\u5c0e\u4f53\u306f\u3001\u901a\u96fb\u5c0e\u4f53\u3068\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u3055\u308c\u307e\u3059<\/strong><\/li>\n<li>\u63a5\u5730\/\u30dc\u30f3\u30c7\u30a3\u30f3\u30b0\u5c0e\u4f53\u306f\u3001\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5bfe\u8c61\u3068\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u3055\u308c\u307e\u305b\u3093<\/li>\n<li>\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u5b9a\u683c\u306e&lt;35%\u3067\u52d5\u4f5c\u3059\u308b\u30b1\u30fc\u30d6\u30eb\u306f\u3001\u30ab\u30a6\u30f3\u30c8\u304b\u3089\u9664\u5916\u3067\u304d\u307e\u3059<\/li>\n<li>\u77ed\u3044\u30b0\u30eb\u30fc\u30d7\u5316\u9577\uff08\u5c0e\u4f53\u304c150mm\u00b2\u4ee5\u4e0a\u306e\u5834\u5408\u306f&lt;3m\uff09\u306f\u3001\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u304b\u3089\u9664\u5916\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/li>\n<\/ul>\n<h3>\u8a2d\u7f6e\u65b9\u6cd5\u306e\u5f71\u97ff<\/h3>\n<p><strong>\u30b1\u30fc\u30d6\u30eb\u30c8\u30ec\u30a4\u306e\u8a2d\u7f6e<\/strong> \uff08NEC\u8a2d\u7f6e\u65b9\u6cd512\/13\uff09\uff1a<\/p>\n<ul>\n<li><strong>\u5358\u5c64\u3001\u9593\u9694\u3042\u308a\uff1a<\/strong> \u5b9f\u969b\u306e\u56de\u8def\u6570\u306b\u5bfe\u3059\u308b\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u4fc2\u6570\u3092\u9069\u7528\u3057\u307e\u3059<\/li>\n<li><strong>\u8907\u6570\u5c64\u3001\u63a5\u89e6\uff1a<\/strong> 2\u5c64\u306e\u5834\u5408\u306f0.70\u30013\u5c64\u4ee5\u4e0a\u306e\u5834\u5408\u306f0.60\u306e\u4fc2\u6570\u3092\u9069\u7528\u3057\u307e\u3059<\/li>\n<li><strong>\u63db\u6c17\u304c\u5236\u9650\u3055\u308c\u305f\u30ab\u30d0\u30fc\u4ed8\u304d\u30c8\u30ec\u30a4\uff1a<\/strong> \u8ffd\u52a0\u306e0.95\u306e\u4f4e\u6e1b\u4fc2\u6570<\/li>\n<\/ul>\n<p><strong>\u5730\u4e0b\u30c0\u30af\u30c8\u30d0\u30f3\u30af\u306e\u8a2d\u7f6e\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u30c8\u30ec\u30d5\u30a9\u30a4\u30eb\u69cb\u6210\uff083\u76f8\u63a5\u89e6\uff09\uff1a<\/strong> \u5358\u4e00\u56de\u8def\u306e\u5834\u5408\u306f0.80\u3001\u8907\u6570\u56de\u8def\u306e\u5834\u5408\u306f0.70\u306e\u4fc2\u6570<\/li>\n<li><strong>\u76f4\u5f84\u306e2\u500d\u306e\u9593\u9694\u3092\u7a7a\u3051\u305f\u30d5\u30e9\u30c3\u30c8\u69cb\u6210\uff1a<\/strong> 0.85\u306e\u4fc2\u6570<\/li>\n<li><strong>\u540c\u3058\u30c8\u30ec\u30f3\u30c1\u5185\u306e\u8907\u6570\u306e\u96fb\u7dda\u7ba1\uff1a<\/strong> \u69cb\u6210\u306b\u5fdc\u3058\u30660.70\u301c0.60\u306e\u4fc2\u6570<\/li>\n<\/ul>\n<p>\u306b\u3064\u3044\u3066 <a href=\"https:\/\/test.viox.com\/ja\/100a-panel-ev-charger-upgrade\/\">EV\u5145\u96fb\u30b1\u30fc\u30d6\u30eb\u306e\u30b5\u30a4\u30b8\u30f3\u30b0<\/a>, \u3001\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u8907\u6570\u306e7kW\u307e\u305f\u306f22kW\u306e\u5145\u96fb\u5668\u304c\u5171\u901a\u306e\u96fb\u7dda\u7ba1\u3092\u5171\u6709\u3059\u308b\u99d0\u8eca\u5834\u3067\u306e\u8a2d\u7f6e\u306b\u304a\u3044\u3066\u7279\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Multiple-power-cables-grouped-in-cable-tray-installation-requiring-ampacity-adjustment-factors-to-prevent-overheating-in-VIOX-electrical-distribution-system.webp\" alt=\"Multiple power cables grouped in cable tray installation requiring ampacity adjustment factors to prevent overheating in VIOX electrical distribution system\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\u30b1\u30fc\u30d6\u30eb\u30c8\u30ec\u30a4\u306e\u8a2d\u7f6e\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u8907\u6570\u306e\u96fb\u6e90\u30b1\u30fc\u30d6\u30eb\u3002VIOX\u914d\u96fb\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u904e\u71b1\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u8a31\u5bb9\u96fb\u6d41\u8abf\u6574\u4fc2\u6570\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/figcaption><\/figure>\n<h2>\u7b2c4\u9805\uff1a\u8907\u5408\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u306e\u8a08\u7b97<\/h2>\n<h3>\u4e57\u7b97\u65b9\u6cd5\u8ad6<\/h3>\n<p>\u8907\u6570\u306e\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u6761\u4ef6\u304c\u540c\u6642\u306b\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u4fc2\u6570\u306f <strong>\u4e92\u3044\u306b\u4e57\u7b97<\/strong> \u3057\u3066\u3001\u6700\u7d42\u7684\u306a\u8abf\u6574\u3055\u308c\u305f\u8a31\u5bb9\u96fb\u6d41\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u57fa\u672c\u5f0f\uff1a<\/strong><\/p>\n<pre style=\"background: #f4f4f4; padding: 10px; border-radius: 4px; overflow-x: auto;\">\u8abf\u6574\u3055\u308c\u305f\u8a31\u5bb9\u96fb\u6d41 = \u57fa\u672c\u8a31\u5bb9\u96fb\u6d41 \u00d7 \u6e29\u5ea6\u4fc2\u6570 \u00d7 \u9ad8\u5ea6\u4fc2\u6570 \u00d7 \u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u4fc2\u6570 \u00d7 \u8a2d\u7f6e\u4fc2\u6570<\/pre>\n<p><strong>\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u8a08\u7b97\u30d7\u30ed\u30bb\u30b9\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u57fa\u672c\u8a31\u5bb9\u96fb\u6d41\u3092\u7279\u5b9a\u3057\u307e\u3059<\/strong> NEC\u8868310.16\u307e\u305f\u306fIEC\u5c0e\u4f53\u8868\u304b\u3089\uff08NEC 110.14(C)\u306b\u57fa\u3065\u304f\u7aef\u5b50\u5b9a\u683c\u306b\u57fa\u3065\u3044\u306675\u00b0C\u307e\u305f\u306f90\u00b0C\u306e\u5217\u3092\u4f7f\u7528\uff09<\/li>\n<li><strong>\u7279\u5b9a\u306e\u8a2d\u7f6e\u306b\u9069\u7528\u53ef\u80fd\u306a\u3059\u3079\u3066\u306e\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u3092\u6c7a\u5b9a\u3057\u307e\u3059<\/strong> \u7279\u5b9a\u306e\u8a2d\u7f6e\u306b\u5bfe\u3057\u3066<\/li>\n<li><strong>\u4fc2\u6570\u3092\u639b\u3051\u5408\u308f\u305b\u307e\u3059<\/strong> \u7d2f\u7a4d\u7684\u306a\u524a\u6e1b\u91cf\u3092\u53d6\u5f97\u3057\u307e\u3059<\/li>\n<li><strong>\u8abf\u6574\u3055\u308c\u305f\u8a31\u5bb9\u96fb\u6d41\u3092\u8a08\u7b97\u3057\u307e\u3059<\/strong> \u305d\u3057\u3066\u3001\u8ca0\u8377\u8981\u4ef6\u3068\u6bd4\u8f03\u3057\u307e\u3059<\/li>\n<li><strong>\u8abf\u6574\u3055\u308c\u305f\u8a31\u5bb9\u96fb\u6d41 &lt; \u5fc5\u8981\u306a\u8a31\u5bb9\u96fb\u6d41\u306e\u5834\u5408\u3001\u5c0e\u4f53\u306e\u30b5\u30a4\u30ba\u3092\u5927\u304d\u304f\u3057\u3066\u518d\u8a08\u7b97\u3057\u307e\u3059<\/strong><\/li>\n<\/ol>\n<h3>\u5b9f\u4e16\u754c\u306e\u4f8b\uff1a\u592a\u967d\u5149\u30a2\u30ec\u30a4DC\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc<\/h3>\n<p><strong>\u30b7\u30ca\u30ea\u30aa<\/strong> \u30a2\u30ea\u30be\u30ca\u306e\u590f\u306e\u6761\u4ef6\u4e0b\u3067\u5c4b\u4e0a\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u4f9b\u7d66\u3059\u308b8\u3064\u306e\u592a\u967d\u5149\u30b9\u30c8\u30ea\u30f3\u30b0<\/p>\n<p><strong>\u6307\u5b9a\u3055\u308c\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\uff1a<\/strong><\/p>\n<ul>\n<li>\u8ca0\u8377\u96fb\u6d41\uff1a64A\uff088\u30b9\u30c8\u30ea\u30f3\u30b0\u00d7\u54048A\uff09<\/li>\n<li>\u57fa\u672c\u5c0e\u4f53\uff1a4 AWG\u9285THHN\uff0875\u00b0C\u306785A\u300190\u00b0C\u306795A\uff09<\/li>\n<li>\u5468\u56f2\u6e29\u5ea6\uff1a50\u00b0C\uff08\u5c4b\u4e0a\u66b4\u9732\uff09<\/li>\n<li>\u9ad8\u5ea6\uff1a1,100\u30e1\u30fc\u30c8\u30eb<\/li>\n<li>\u901a\u96fb\u5c0e\u4f53\u6570\uff1a16\uff088\u3064\u306e\u6b63\u6975+ 8\u3064\u306e\u8ca0\u6975\uff09<\/li>\n<li>\u8a2d\u7f6e\uff1a\u30b1\u30fc\u30d6\u30eb\u30c8\u30ec\u30a4\u3001\u5358\u5c64<\/li>\n<\/ul>\n<p><strong>\u8a08\u7b97\uff1a<\/strong><\/p>\n<pre style=\"background: #f4f4f4; padding: 10px; border-radius: 4px; overflow-x: auto;\">\u57fa\u672c\u8a31\u5bb9\u96fb\u6d41\uff0890\u00b0C\uff09\uff1a95A\n<\/pre>\n<p><strong>\u7d50\u679c\uff1a<\/strong> 4 AWG\u306f <strong>\u4e0d\u9069\u5207<\/strong> \u3067\u3059\uff0838.7A &lt; \u5fc5\u8981\u306a64A\uff09\u30021\/0 AWG\uff08\u57fa\u672c150A\uff09\u3092\u8a66\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n<pre style=\"background: #f4f4f4; padding: 10px; border-radius: 4px; overflow-x: auto;\">\u8abf\u6574\u5f8c\u8a31\u5bb9\u96fb\u6d41 = 150A \u00d7 0.82 \u00d7 0.99 \u00d7 0.50 = 60.8A<\/pre>\n<p><strong>\u307e\u3060\u4e0d\u5341\u5206\u3067\u3059\u3002.<\/strong> \u6700\u7d42\u7684\u306a\u89e3\u6c7a\u7b56\uff1a <strong>2\/0 AWG<\/strong> \uff08175A\u30d9\u30fc\u30b9\uff09\uff1a<\/p>\n<pre style=\"background: #f4f4f4; padding: 10px; border-radius: 4px; overflow-x: auto;\">\u8abf\u6574\u5f8c\u8a31\u5bb9\u96fb\u6d41 = 175A \u00d7 0.82 \u00d7 0.99 \u00d7 0.50 = 70.9A \u2713<\/pre>\n<p>\u3053\u306e\u4f8b\u306f\u3001\u592a\u967d\u5149\u767a\u96fb\u8a2d\u5099\u3067\u904e\u5c0f\u30b5\u30a4\u30ba\u306e\u96fb\u7dda\u304c\u4e00\u822c\u7684\u3067\u3042\u308b\u7406\u7531\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4f4e\u6e1b\u4fc2\u6570\u306b\u3088\u3063\u3066\u8a31\u5bb9\u96fb\u6d41\u304c\u6e1b\u5c11\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <strong>60%\u4ee5\u4e0a<\/strong> \u53b3\u3057\u3044\u6761\u4ef6\u4e0b\u3067\u3002.<\/p>\n<h3>\u696d\u52d9\u7528EV\u5145\u96fb\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4f8b<\/h3>\n<p><strong>\u30b7\u30ca\u30ea\u30aa<\/strong> 22kW\u30ec\u30d9\u30eb2 EV\u5145\u96fb\u5668\u30d0\u30f3\u30af\u3078\u306e\u5730\u4e2d\u30d5\u30a3\u30fc\u30c0\u30fc<\/p>\n<p><strong>\u6307\u5b9a\u3055\u308c\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\uff1a<\/strong><\/p>\n<ul>\n<li>\u8ca0\u8377\u96fb\u6d41\uff1a96A\uff0832A\u5145\u96fb\u56683\u53f0\uff09<\/li>\n<li>\u96fb\u7dda\uff1a3 AWG \u9285 XHHW-2\uff0875\u00b0C\u3067115A\u300190\u00b0C\u3067130A\uff09<\/li>\n<li>\u571f\u58cc\u6e29\u5ea6\uff1a30\u00b0C<\/li>\n<li>\u57cb\u8a2d\u6df1\u5ea6\uff1a0.8m<\/li>\n<li>\u30c8\u30ec\u30f3\u30c1\u5185\u306e\u56de\u8def\u6570\uff1a1\uff08\u96fb\u7dda3\u672c\uff0b\u63a5\u5730\u7dda\uff09<\/li>\n<li>\u9023\u7d9a\u8ca0\u8377\u7387\uff1a1.25\uff08NEC 625.41\u3067\u306f\u3001EV\u6a5f\u5668\u306e\u30b5\u30a4\u30ba\u3092125%\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff09<\/li>\n<\/ul>\n<p><strong>\u8a08\u7b97\uff1a<\/strong><\/p>\n<pre style=\"background: #f4f4f4; padding: 10px; border-radius: 4px; overflow-x: auto;\">\u30d9\u30fc\u30b9\u8a31\u5bb9\u96fb\u6d41\uff0890\u00b0C\uff09\uff1a130A\n<\/pre>\n<p><strong>\u7d50\u679c\uff1a<\/strong> 3 AWG\u306f <strong>\u4e0d\u9069\u5207<\/strong> \uff08114.8A &lt; 120A\uff09\u3002\u89e3\u6c7a\u7b56\uff1a <strong>2AWG<\/strong> \uff08150A\u30d9\u30fc\u30b9\uff09\uff1a<\/p>\n<pre style=\"background: #f4f4f4; padding: 10px; border-radius: 4px; overflow-x: auto;\">\u8abf\u6574\u5f8c\u8a31\u5bb9\u96fb\u6d41 = 150A \u00d7 0.92 \u00d7 0.96 = 132.5A \u2713<\/pre>\n<p>\u7406\u89e3 <a href=\"https:\/\/test.viox.com\/ja\/cable-size-types-mm-awg-bs-conversion-guide\/\">EV\u5145\u96fb\u5668\u306b\u9069\u3057\u305f\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30b8\u30f3\u30b0<\/a> \u3059\u3079\u3066\u306e\u4f4e\u6e1b\u4fc2\u6570\u3092\u9069\u7528\u3057\u305f\u5f8c\u3001\u96fb\u7dda\u306e\u8a31\u5bb9\u96fb\u6d41\u3068OCPD\u5b9a\u683c\u3092\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/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-sizing-calculation-flowchart-showing-systematic-application-of-temperature-altitude-and-grouping-derating-factors-per-NEC-and-IEC-standards.webp\" alt=\"Cable sizing calculation flowchart showing systematic application of temperature, altitude, and grouping derating factors per NEC and IEC standards\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">NEC\u304a\u3088\u3073IEC\u898f\u683c\u306b\u57fa\u3065\u304f\u6e29\u5ea6\u3001\u9ad8\u5ea6\u3001\u304a\u3088\u3073\u30b0\u30eb\u30fc\u30d7\u5316\u306e\u4f4e\u6e1b\u4fc2\u6570\u306e\u4f53\u7cfb\u7684\u306a\u9069\u7528\u3092\u793a\u3059\u30b1\u30fc\u30d6\u30eb\u30b5\u30a4\u30b8\u30f3\u30b0\u8a08\u7b97\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u3002.<\/figcaption><\/figure>\n<h2>\u4f4e\u6e1b\u4fc2\u6570\u306e\u30af\u30a4\u30c3\u30af\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30c6\u30fc\u30d6\u30eb<\/h2>\n<h3>\u6e29\u5ea6\u3068\u30b0\u30eb\u30fc\u30d7\u5316\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308b\u4f4e\u6e1b<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u30b7\u30ca\u30ea\u30aa<\/th>\n<th>\u6e29\u5ea6\u4fc2\u6570<\/th>\n<th>\u30b0\u30eb\u30fc\u30d7\u4fc2\u6570<\/th>\n<th>\u7d44\u307f\u5408\u308f\u305b<\/th>\n<th>\u4f8b\uff1a100A\u30d9\u30fc\u30b9 \u2192 \u6700\u7d42\u8a31\u5bb9\u96fb\u6d41<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30b1\u30fc\u30d6\u30eb3\u672c\u300130\u00b0C<\/td>\n<td>1.00<\/td>\n<td>1.00<\/td>\n<td>1.00<\/td>\n<td>100A<\/td>\n<\/tr>\n<tr>\n<td>\u30b1\u30fc\u30d6\u30eb6\u672c\u300140\u00b0C<\/td>\n<td>0.91<\/td>\n<td>0.80<\/td>\n<td>0.73<\/td>\n<td>73A<\/td>\n<\/tr>\n<tr>\n<td>\u30b1\u30fc\u30d6\u30eb9\u672c\u300150\u00b0C<\/td>\n<td>0.82<\/td>\n<td>0.70<\/td>\n<td>0.57<\/td>\n<td>57A<\/td>\n<\/tr>\n<tr>\n<td>\u30b1\u30fc\u30d6\u30eb15\u672c\u300150\u00b0C + \u6a19\u9ad82000m<\/td>\n<td>0.82<\/td>\n<td>0.50<\/td>\n<td>0.39*<\/td>\n<td>39A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>*0.94\u306e\u9ad8\u5ea6\u4fc2\u6570\u3092\u542b\u3080\uff080.82 \u00d7 0.50 \u00d7 0.94 = 0.385\uff09<\/em><\/p>\n<h3>\u8a2d\u7f6e\u65b9\u6cd5\u306e\u30d9\u30fc\u30b9\u5b9a\u683c\u306e\u6bd4\u8f03<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u8a2d\u7f6e\u65b9\u6cd5<\/th>\n<th>\u76f8\u5bfe\u8a31\u5bb9\u96fb\u6d41<\/th>\n<th>\u4ee3\u8868\u7684\u306a\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7a7a\u4e2d\u306e\u4e00\u672c\u306e\u30b1\u30fc\u30d6\u30eb<\/td>\n<td>1.00\uff08\u6700\u9ad8\uff09<\/td>\n<td>\u67b6\u7a7a\u30b9\u30d1\u30f3\u3001\u30c6\u30b9\u30c8\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/td>\n<\/tr>\n<tr>\n<td>\u8868\u9762\u306b\u76f4\u63a5\u30af\u30ea\u30c3\u30d7\u3067\u56fa\u5b9a<\/td>\n<td>0.95<\/td>\n<td>\u5de5\u696d\u7528\u58c1\u3001\u69cb\u9020\u7269\u3078\u306e\u53d6\u308a\u4ed8\u3051<\/td>\n<\/tr>\n<tr>\n<td>\u96fb\u7dda\u7ba1\/\u30c8\u30e9\u30f3\u30ad\u30f3\u30b0\u5185\uff08\u30b1\u30fc\u30d6\u30eb1\u301c3\u672c\uff09<\/td>\n<td>0.80<\/td>\n<td>\u5efa\u7269\u306e\u914d\u7dda\u3001\u4fdd\u8b77\u3055\u308c\u305f\u914d\u7dda<\/td>\n<\/tr>\n<tr>\n<td>\u30b1\u30fc\u30d6\u30eb\u30c8\u30ec\u30a4\u3001\u5358\u5c64<\/td>\n<td>0.75<\/td>\n<td>\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30eb\u30fc\u30e0\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/td>\n<\/tr>\n<tr>\n<td>\u5730\u4e2d\u306b\u76f4\u63a5\u57cb\u8a2d<\/td>\n<td>0.70<\/td>\n<td>\u5730\u4e0b\u914d\u96fb<\/td>\n<\/tr>\n<tr>\n<td>\u5730\u4e0b\u30c0\u30af\u30c8\u5185<\/td>\n<td>0.65<\/td>\n<td>\u9577\u8ddd\u96e2\u4f1d\u9001<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<p><strong>Q1\uff1a\u30b1\u30fc\u30d6\u30eb\u304c\u5b9a\u683c\u5bb9\u91cf\u672a\u6e80\u3067\u52d5\u4f5c\u3059\u308b\u5834\u5408\u3001\u4f4e\u6e1b\u4fc2\u6570\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/strong><\/p>\n<p>\u306f\u3044\u3001\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u306f\u8ca0\u8377\u7387\u306b\u95a2\u308f\u3089\u305a\u5fc5\u9808\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u74b0\u5883\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u5c0e\u4f53\u306e\u6700\u5927\u5b89\u5168\u96fb\u6d41\u5bb9\u91cf\u3092\u8abf\u6574\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u552f\u4e00\u306e\u4f8b\u5916\u306f\u3001IEC 60364-5-52\u306b\u5f93\u3044\u3001\u77ed\u3044\u8ddd\u96e2\uff08&lt;3m\uff09\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u5b9a\u683c\u306e35%\u672a\u6e80\u3067\u52d5\u4f5c\u3059\u308b\u30b1\u30fc\u30d6\u30eb\u306f\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u306e\u30ab\u30a6\u30f3\u30c8\u304b\u3089\u9664\u5916\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>Q2\uff1a75\u00b0C\u5b9a\u683c\u306e\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u5834\u5408\u3001THHN\u30ef\u30a4\u30e4\u306e90\u00b0C\u8a31\u5bb9\u96fb\u6d41\u306e\u5217\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><\/p>\n<p>\u6700\u7d42\u7684\u306a\u30b5\u30a4\u30b8\u30f3\u30b0\u306e\u6c7a\u5b9a\u306b\u306f\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002NEC 110.14(C)\u3067\u306f\u3001\u6a5f\u5668\u304c90\u00b0C\u3067\u7279\u5225\u306b\u30ea\u30b9\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u9650\u308a\u3001\u2264100A\u306e\u56de\u8def\u306b\u306f\u3001\u3088\u308a\u4f4e\u3044\u7aef\u5b50\u6e29\u5ea6\u5b9a\u683c\uff0875\u00b0C\uff09\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001 <strong>\u3059\u3079<\/strong> \u4f4e\u6e1b\u4fc2\u6570\u3092\u9069\u7528\u3059\u308b\u3068\u304d\u306f90\u00b0C\u306e\u30d9\u30fc\u30b9\u8a31\u5bb9\u96fb\u6d41\u3092\u4f7f\u7528\u3057\u3001\u4f4e\u6e1b\u3055\u308c\u305f\u7d50\u679c\u304c75\u00b0C\u306e\u5b9a\u683c\u3092\u8d85\u3048\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u5b89\u5168\u306a\u7d42\u7aef\u3092\u78ba\u4fdd\u3057\u306a\u304c\u3089\u3001\u96fb\u7dda\u5bb9\u91cf\u3092\u6700\u5927\u5316\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>Q3\uff1a\u30b1\u30fc\u30d6\u30eb\u304c\u90e8\u5206\u7684\u306b\u57cb\u8a2d\u3055\u308c\u3001\u90e8\u5206\u7684\u306b\u7a7a\u4e2d\u306b\u9732\u51fa\u3057\u3066\u3044\u308b\u306a\u3069\u3001\u6df7\u5408\u3055\u308c\u305f\u4f4e\u6e1b\u6761\u4ef6\u3092\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3057\u307e\u3059\u304b\uff1f<\/strong><\/p>\n<p>\u9069\u7528\u3057\u307e\u3059 <strong>\u6700\u3082\u5236\u9650\u306e\u53b3\u3057\u3044<\/strong> \u71b1\u7684\u306a\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u69cb\u6210\u3059\u308b\u8a2d\u7f6e\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u4f4e\u6e1b\u4fc2\u6570\u3002\u305f\u3068\u3048\u3070\u3001\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u306e80%\u304c\u7a7a\u4e2d\u306b\u3042\u308a\u300120%\u304c\u65ad\u71b1\u6750\u3092\u901a\u904e\u3059\u308b\u5834\u5408\u3001\u56de\u8def\u5168\u4f53\u3092\u65ad\u71b1\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u5408\u308f\u305b\u3066\u4f4e\u6e1b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4fdd\u5b88\u7684\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u306f\u3001\u5e38\u306b\u56de\u8def\u5168\u4f53\u306e\u6700\u60aa\u306e\u6761\u4ef6\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>Q4\uff1a\u5b8c\u5168\u306a\u4f4e\u6e1b\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u77ed\u3044\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u306b\u306f\u4f8b\u5916\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/strong><\/p>\n<p>\u306f\u3044\u3002NEC\u3067\u306f\u3001 <strong>\u30cb\u30c3\u30d7\u30eb<\/strong> \uff08\u77ed\u3044\u96fb\u7dda\u7ba1\u30bb\u30af\u30b7\u30e7\u30f3\u2264600mm\uff09\u306b\u4efb\u610f\u306e\u6570\u306e\u96fb\u7dda\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306e\u514d\u9664\u3092\u8a8d\u3081\u3066\u3044\u307e\u3059\u3002IEC 60364-5-52\u3067\u306f\u3001\u96fb\u7dda&lt;150mm\u00b2\u306e\u5834\u5408\u306f1m\u672a\u6e80\u3001\u96fb\u7dda\u2265150mm\u00b2\u306e\u5834\u5408\u306f3m\u672a\u6e80\u306e\u30b1\u30fc\u30d6\u30eb\u9577\u306b\u5bfe\u3059\u308b\u30b0\u30eb\u30fc\u30d7\u5316\u306e\u4f4e\u6e1b\u3092\u7121\u8996\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6e29\u5ea6\u3068\u9ad8\u5ea6\u306e\u4f4e\u6e1b\u306f\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u9577\u3055\u306b\u200b\u200b\u95a2\u4fc2\u306a\u304f\u5e38\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p><strong>Q5\uff1a\u9271\u7269\u7d76\u7e01\uff08MI\uff09\u30b1\u30fc\u30d6\u30eb\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u4f4e\u6e1b\u4fc2\u6570\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u304b\uff1f<\/strong><\/p>\n<p>MI\u30b1\u30fc\u30d6\u30eb\uff08MIMS\u69cb\u9020\uff09\u306f\u3001\u512a\u308c\u305f\u71b1\u6027\u80fd\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u3001 <strong>\u4f4e\u6e1b\u306f\u4e0d\u8981\u3067\u3059\u3002<\/strong> \u4ed6\u306e\u30b1\u30fc\u30d6\u30eb\u7a2e\u5225\u3068\u63a5\u89e6\u3057\u306a\u3044\u5834\u5408\u306e\u30b0\u30eb\u30fc\u30d7\u5316\u3002\u305f\u3060\u3057\u3001\u6e29\u5ea6\u304a\u3088\u3073\u9ad8\u5ea6\u306b\u3088\u308b\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u4f9d\u7136\u3068\u3057\u3066\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u9271\u7269\u7d76\u7e01\u5c0e\u4f53\u306b\u95a2\u3059\u308b\u5177\u4f53\u7684\u306a\u30ac\u30a4\u30c0\u30f3\u30b9\u306b\u3064\u3044\u3066\u306f\u3001\u88fd\u9020\u5143\u306e\u4ed5\u69d8\u304a\u3088\u3073AS\/NZS 3008.1\u307e\u305f\u306fIEC 60702\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>Q6\uff1a\u9ad8\u8abf\u6ce2\u306f\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u8981\u4ef6\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<\/strong><\/p>\n<p><strong>\u7b2c3\u9ad8\u8abf\u6ce2\u96fb\u6d41<\/strong> \u4e2d\u6027\u7dda\u5c0e\u4f53\u306b\u8ffd\u52a0\u306eI\u00b2R\u640d\u5931\u3092\u767a\u751f\u3055\u305b\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u76ee\u7684\u3067\u3001\u4e2d\u6027\u7dda\u3092\u96fb\u6d41\u3092\u904b\u3076\u5c0e\u4f53\u3068\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5927\u304d\u306a\u975e\u7dda\u5f62\u8ca0\u8377\uff08VFD\u3001LED\u30c9\u30e9\u30a4\u30d0\u3001\u96fb\u5b50\u30d0\u30e9\u30b9\u30c8\uff09\u304c\u3042\u308b\u8a2d\u5099\u3067\u306f\u3001\u9ad8\u8abf\u6ce2\u96fb\u6d41\u6210\u5206\u306b\u3088\u308a\u3001\u4e2d\u6027\u7dda\u5c0e\u4f53\u3092\u76f8\u5c0e\u4f53\u306e200%\u306e\u30b5\u30a4\u30ba\u306b\u3057\u3001\u5bfe\u5fdc\u3059\u308b\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u8abf\u6574\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>Q7\uff1a\u9ad8\u3044\u5468\u56f2\u6e29\u5ea6\u3092\u3001\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u3092\u9069\u7528\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001\u5c0e\u4f53\u3092\u5927\u304d\u304f\u3059\u308b\u3053\u3068\u3067\u88dc\u511f\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><\/p>\n<p>\u3044\u3044\u3048\u3002\u5fc5\u305a <strong>\u9069\u5207\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u3092\u5e38\u306b\u9069\u7528\u3057\u3066\u3001<\/strong> \u5c0e\u4f53\u306e\u8abf\u6574\u3055\u308c\u305f\u8a31\u5bb9\u96fb\u6d41\u3092\u6c7a\u5b9a\u3057\u3001\u6b21\u306b\u3001\u8abf\u6574\u3055\u308c\u305f\u8a31\u5bb9\u96fb\u6d41\u304c\u8ca0\u8377\u8981\u4ef6\u3092\u6e80\u305f\u3059\u304b\u8d85\u3048\u308b\u5c0e\u4f53\u30b5\u30a4\u30ba\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u8a08\u7b97\u306a\u3057\u306b\u5358\u306b\u30b5\u30a4\u30ba\u3092\u5927\u304d\u304f\u3059\u308b\u3053\u3068\u306f\u3001NEC\u306e\u65b9\u6cd5\u8ad6\u306b\u9055\u53cd\u3057\u3001\u4f9d\u7136\u3068\u3057\u3066\u5c0e\u4f53\u304c\u5c0f\u3055\u3059\u304e\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u306f\u3001\u7121\u8996\u3067\u304d\u306a\u3044\u7269\u7406\u30d9\u30fc\u30b9\u306e\u71b1\u7684\u5236\u9650\u3092\u8003\u616e\u306b\u5165\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h2>\u7d50\u8ad6\uff1a\u9069\u5207\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3088\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u5353\u8d8a\u6027<\/h2>\n<p>\u6b63\u78ba\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u8a08\u7b97\u306f\u3001\u96fb\u6c17\u7684\u5b89\u5168\u3001\u30b3\u30fc\u30c9\u6e96\u62e0\u3001\u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u306e\u5bff\u547d\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u5168\u4f53\u306e\u4f8b\u306f\u3001\u5b9f\u969b\u306e\u8a2d\u5099\u304c\u6a19\u6e96\u306e\u8868\u306e\u5024\u3068\u6bd4\u8f03\u3057\u306640\u301c60%\u306e\u8a31\u5bb9\u96fb\u6d41\u306e\u524a\u6e1b\u306b\u76f4\u9762\u3059\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u53b3\u5bc6\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u5206\u6790\u3092\u5fc5\u8981\u3068\u3059\u308b\u73fe\u5b9f\u3067\u3059\u3002.<\/p>\n<p><strong>\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u8a2d\u7f6e\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u5e38\u306b\u6700\u9ad8\u306e\u5c0e\u4f53\u6e29\u5ea6\u5b9a\u683c<\/strong> \uff0890\u00b0C\uff09\u3092\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u8a08\u7b97\u306e\u958b\u59cb\u70b9\u3068\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059<\/li>\n<li><strong>\u7aef\u5b50\u6e29\u5ea6\u5b9a\u683c\u3092\u78ba\u8a8d\u3057\u3001<\/strong> NEC 110.14(C)\u306b\u5f93\u3063\u3066\u6700\u7d42\u7684\u306a\u9078\u629e\u3092\u8abf\u6574\u3057\u307e\u3059<\/li>\n<li><strong>\u3059\u3079\u3066\u306e\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u3092\u6587\u66f8\u5316\u3057\u3001<\/strong> \u691c\u67fb\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u305f\u3081\u306b\u8a08\u7b97\u306b\u9069\u7528\u3057\u307e\u3059<\/li>\n<li><strong>\u5c06\u6765\u306e\u8ca0\u8377\u3092\u8003\u616e\u3057\u3001<\/strong> \u8a72\u5f53\u3059\u308b\u5834\u5408\u306f125%\u306e\u9023\u7d9a\u8ca0\u8377\u4fc2\u6570\u3092\u9069\u7528\u3057\u307e\u3059<\/li>\n<li><strong>\u9ad8\u54c1\u8cea\u306e\u56de\u8def\u4fdd\u8b77\u3092\u6307\u5b9a\u3057\u307e\u3059<\/strong> \u9ad8\u5ea6\u88dc\u6b63\u3055\u308c\u305f\u5b9a\u683c\u3068\u71b1\u78c1\u6c17\u7cbe\u5ea6\u3092\u63d0\u4f9b\u3059\u308bVIOX\u306e\u3088\u3046\u306a\u30e1\u30fc\u30ab\u30fc\u304b\u3089<\/li>\n<\/ul>\n<p>VIOX Electric\u306e\u5305\u62ec\u7684\u306a <a href=\"https:\/\/test.viox.com\/ja\/what-is-a-molded-case-circuit-breaker-mccb\/\">\u7523\u696d\u7528\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304a\u3088\u3073\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306e\u30e9\u30a4\u30f3\u306f\u3001<\/a> -40\u00b0C\u301c+70\u00b0C\u306e\u6e29\u5ea6\u7bc4\u56f2\u304a\u3088\u3073\u6700\u59274,000\u30e1\u30fc\u30c8\u30eb\u306e\u9ad8\u5ea6\u3067\u6027\u80fd\u3092\u7dad\u6301\u3059\u308b\u71b1\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3067\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0\u306f\u3001\u592a\u967d\u5149\u767a\u96fb\u3001EV\u5145\u96fb\u3001\u304a\u3088\u3073\u4e16\u754c\u4e2d\u306e\u7523\u696d\u7528\u8a2d\u5099\u5411\u3051\u306b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u4ed5\u69d8\u306e\u7cbe\u5ea6\u304c\u91cd\u8981\u306a\u5834\u5408\u3001\u9069\u5207\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u8a08\u7b97\u3067\u306f\u306a\u304f\u3001\u5b89\u5168\u6027\u3078\u306e\u30b3\u30df\u30c3\u30c8\u30e1\u30f3\u30c8\u3067\u3059\u3002.<\/strong> \u6b21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u95a2\u3059\u308b\u6280\u8853\u7684\u306a\u76f8\u8ac7\u306b\u3064\u3044\u3066\u306f\u3001VIOX Electric\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u3044\u305f\u3060\u304f\u304b\u3001\u5f53\u793e\u306e <a href=\"https:\/\/test.viox.com\/ja\/types-of-circuit-breakers\/\">\u5b8c\u5168\u306a\u56de\u8def\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u3054\u89a7\u304f\u3060\u3055\u3044<\/a>.<\/p>\n<hr \/>\n<p><strong>\u95a2\u9023\u3059\u308b\u6280\u8853\u30ea\u30bd\u30fc\u30b9\uff1a<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/ja\/how-to-know-if-circuit-breaker-is-bad\/\">\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u4e0d\u826f\u304b\u3069\u3046\u304b\u3092\u77e5\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/ja\/rccb-ev-charging-type-b-vs-type-f-vs-type-ev\/\">EV\u5145\u96fb\u4fdd\u8b77\uff1aNEC\/IEC\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u30ac\u30a4\u30c9<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/ja\/100a-panel-ev-charger-upgrade\/\">7kW\u304a\u3088\u307322kW EV\u5145\u96fb\u5668\u306e\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u30b5\u30a4\u30b8\u30f3\u30b0<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 283.828px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 283.828px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 3215.05px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 3215.05px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 2357.05px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 2357.05px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 283.828px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4434.05px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4434.05px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 2386.75px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 2386.75px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Understanding Electrical Derating: Why It Matters for Safe Installations Electrical derating is the systematic reduction of a conductor&#8217;s current-carrying capacity (ampacity) to account for real-world installation conditions that deviate from standard testing environments. When cables operate in high temperatures, at elevated altitudes, or bundled with other conductors, their ability to dissipate heat diminishes significantly. Without proper derating calculations, installations face serious risks: premature insulation failure, circuit breaker nuisance tripping, fire hazards, and non-compliance with NEC Article 310.15 and IEC 60364-5-52 standards. For B2B professionals installing EV charging infrastructure, solar arrays, or industrial electrical systems, understanding derating factors isn&#8217;t optional\u2014it&#8217;s a fundamental requirement for safety, code compliance, and system longevity. This [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21210,"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-21209","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/21209","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/comments?post=21209"}],"version-history":[{"count":3,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/21209\/revisions"}],"predecessor-version":[{"id":21213,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/21209\/revisions\/21213"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media\/21210"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media?parent=21209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/categories?post=21209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/tags?post=21209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}