{"id":6763,"date":"2026-11-02T10:48:15","date_gmt":"2026-11-02T02:48:15","guid":{"rendered":"https:\/\/leaditop.com\/photocell-surge-protection-choosing-between-6kv-10kv-and-20kv\/"},"modified":"2026-11-02T11:45:32","modified_gmt":"2026-11-02T03:45:32","slug":"%e5%85%89%e9%9b%bb%e3%82%bb%e3%83%ab%e3%82%b5%e3%83%bc%e3%82%b8%e4%bf%9d%e8%ad%b7%ef%bc%886kv%e3%80%8110kv%e3%80%8120kv%e3%81%8b%e3%82%89%e9%81%b8%e6%8a%9e%ef%bc%89","status":"publish","type":"post","link":"https:\/\/leaditop.com\/ja\/photocell-surge-protection-choosing-between-6kv-10kv-and-20kv\/","title":{"rendered":"\u5149\u96fb\u30bb\u30eb\u306b\u3088\u308b\u30b5\u30fc\u30b8\u4fdd\u8b77\uff1a6kV\u300110kV\u300120kV\u306e\u4e2d\u304b\u3089\u9078\u629e\u3059\u308b"},"content":{"rendered":"<p>\u30b5\u30fc\u30b8\u5b9a\u683c\u306f\u3001\u8a55\u4fa1\u306b\u5f79\u7acb\u3061\u307e\u3059 <strong>\u30d5\u30a9\u30c8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong>, \u3057\u304b\u3057\u3001kV\u5024\u306f\u5168\u4f53\u50cf\u306e\u4e00\u90e8\u3057\u304b\u793a\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u540c\u3058kV\u5024\u3092\u6301\u30642\u3064\u306e\u5149\u96fb\u5236\u5fa1\u88c5\u7f6e\u306f\u3001\u6570\u5e74\u5f8c\u306e\u5d50\u3067\u306f\u5168\u304f\u7570\u306a\u308b\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u5b9a\u683c\u306e\u91cd\u8981\u6027\u3001\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3067\u78ba\u8a8d\u3059\u3079\u304d\u305d\u306e\u4ed6\u306e\u6a5f\u80fd\u3001\u304a\u3088\u3073\u5149\u96fb\u30bb\u30eb\u30b5\u30fc\u30b8\u4fdd\u8b77\u306e\u9078\u3073\u65b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/leaditop.com\/wp-content\/uploads\/2026\/11\/photocell-surge-protection-6kv-10kv-20kv-guide.webp\" alt=\"\u8857\u8def\u706f\u7528\u5149\u96fb\u30bb\u30eb\u306e\u30b5\u30fc\u30b8\u4fdd\u8b77\u306b\u95a2\u3059\u308b\u30ac\u30a4\u30c9\uff1a6kV\u300110kV\u300120kV\u306e\u30b5\u30fc\u30b8\u5b9a\u683c\u3092\u6bd4\u8f03\" \/><\/p>\n<h2>\u5149\u96fb\u30bb\u30eb\u3078\u306e\u30b5\u30fc\u30b8\u640d\u50b7\u306e\u539f\u56e0\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n<p>\u305d\u306e <strong>\u5149\u30bb\u30f3\u30b5\u30fc <\/strong>\u306f\u3001\u304a\u305d\u3089\u304f\u96fb\u67f1\u306e\u4e0a\u306b\u3042\u308b\u3001\u56de\u7dda\u306e\u7d42\u7aef\u306b\u4f4d\u7f6e\u3057\u307e\u3059\u3002\u3053\u306e\u914d\u7f6e\u306b\u3088\u308a\u3001 <strong>\u8857\u8def\u706f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc <\/strong>\u56de\u7dda\u4e0a\u306b\u5b58\u5728\u3059\u308b\u3042\u3089\u3086\u308b\u5e72\u6e09\u306b\u5bfe\u3057\u3066\u3002.<\/p>\n<p>\u4e00\u822c\u7684\u306a\u30b5\u30fc\u30b8\u767a\u751f\u6e90\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u67b6\u7a7a\u7dda\u3078\u306e\u76f4\u6483\u96f7<\/li>\n<\/ul>\n<p>\u88f8\u5c0e\u4f53\u3078\u306e\u6253\u6483\u306f\u3001\u9001\u96fb\u7dda\u306b\u5927\u304d\u306a\u904e\u6e21\u73fe\u8c61\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002.<\/p>\n<ul>\n<li>\u8fd1\u96a3\u306e\u843d\u96f7<\/li>\n<\/ul>\n<p>\u843d\u96f7\u306f\u5fc5\u305a\u3057\u3082\u9001\u96fb\u7dda\u4e0a\u3067\u767a\u751f\u3059\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u3002\u975e\u5e38\u306b\u5f37\u3044\u96fb\u78c1\u529b\u306f\u3001\u843d\u96f7\u5730\u70b9\u304b\u3089\u6570\u30de\u30a4\u30eb\u96e2\u308c\u305f\u5834\u6240\u306b\u3042\u308b\u30b1\u30fc\u30d6\u30eb\u306b\u3082\u96fb\u5727\u30b5\u30fc\u30b8\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n<ul>\n<li>\u5207\u308a\u66ff\u3048\u30a4\u30d9\u30f3\u30c8<\/li>\n<\/ul>\n<p>\u96fb\u529b\u4f1a\u793e\u306e\u5207\u308a\u66ff\u3048\u3084\u5927\u578b\u30e2\u30fc\u30bf\u30fc\u306e\u8ca0\u8377\u306f\u3001\u898f\u6a21\u306f\u5c0f\u3055\u3044\u3082\u306e\u306e\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308b\u904e\u6e21\u73fe\u8c61\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002.<\/p>\n<p>\u9732\u51fa\u3057\u305f\u67b6\u7a7a\u7dda\u306b\u8a2d\u7f6e\u3055\u308c\u305f\u5149\u96fb\u30bb\u30eb\u306f\u3001\u4fdd\u8b77\u3055\u308c\u305f\u30b1\u30fc\u30d6\u30eb\u3084\u5730\u4e2d\u30b1\u30fc\u30d6\u30eb\u306b\u8a2d\u7f6e\u3055\u308c\u305f\u3082\u306e\u306b\u6bd4\u3079\u3066\u3001\u306f\u308b\u304b\u306b\u5927\u304d\u306a\u8ca0\u8377\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u63a5\u5730\u4e0d\u826f\u306f\u3053\u308c\u3092\u3055\u3089\u306b\u60aa\u5316\u3055\u305b\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u8857\u8def\u706f\u306e\u30b5\u30fc\u30b8\u4fdd\u8b77\u306f\u3001\u88fd\u54c1\u30e9\u30d9\u30eb\u3060\u3051\u3067\u306a\u304f\u3001\u8a2d\u7f6e\u5834\u6240\u304b\u3089\u59cb\u3081\u308b\u3079\u304d\u3067\u3059\u3002.<\/p>\n<h2>6kV\u300110kV\u300120kV\u3068\u3044\u3046\u5b9a\u683c\u96fb\u5727\u306f\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h2>\n<p>\u3053\u308c\u3089 3 \u3064\u306e\u968e\u5c64\u306f\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u30ab\u30c6\u30b4\u30ea\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u306f\u6a19\u6e96\u7684\u306a\u7d44\u307f\u5408\u308f\u305b\u30c6\u30b9\u30c8\u8a2d\u5b9a\u304b\u3089\u6765\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306f <a href=\"https:\/\/www.ieee.org\/\" target=\"_blank\" rel=\"noopener\">IEEE<\/a> C62.41.2 \u5834\u6240\u306e\u30ab\u30c6\u30b4\u30ea\u3002.<\/p>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<tbody>\n<tr>\n<td><strong>\u8a55\u4fa1<\/strong><\/td>\n<td><strong>\u96fb\u6d41\u3092\u30c6\u30b9\u30c8\u3059\u308b<\/strong><\/td>\n<td><strong>IEEE C62.41.2\u30af\u30e9\u30b9<\/strong><\/td>\n<td><strong>\u5178\u578b\u7684\u306a\u4f7f\u7528\u4f8b<\/strong><\/td>\n<\/tr>\n<tr>\n<td>6kV<\/td>\n<td>3kA<\/td>\n<td>\u30ab\u30c6\u30b4\u30ea\u30fcC \u4f4e<\/td>\n<td>\u4f4e\u88ab\u3070\u304f\u30b5\u30a4\u30c8<\/td>\n<\/tr>\n<tr>\n<td>10kV<\/td>\n<td>5kA<\/td>\n<td>\u5171\u901a\u306e\u4e2d\u9593\u70b9<\/td>\n<td>\u6a19\u6e96\u7684\u306a\u9593\u63a5\u8cbb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/td>\n<\/tr>\n<tr>\n<td>20kV<\/td>\n<td>10kA<\/td>\n<td>\u30ab\u30c6\u30b4\u30ea\u30fcC\u9ad8<\/td>\n<td>\u9ad8\u66dd\u9732\u90e8\u4f4d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>6kV\u300110kV\u300120kV\u306e\u5149\u96fb\u30bb\u30eb\u6bd4\u8f03\u306b\u304a\u3044\u3066\u3001\u516c\u5e73\u6027\u3092\u4fdd\u3064\u305f\u3081\u306e\u91cd\u8981\u306a\u4e8b\u5b9f\u304c\u4e00\u3064\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a66\u9a13\u3067\u306f2\u03a9\u306e\u30bd\u30fc\u30b9\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u96fb\u5727\u3068\u96fb\u6d41\u306fI = V\/Z\u306e\u95a2\u4fc2\u3067\u7d50\u3073\u3064\u3044\u3066\u3044\u307e\u3059\u300220kV\u5b9a\u683c\u306810kA\u5b9a\u683c\u306f\u3001\u72ec\u7acb\u3057\u305f2\u3064\u306e\u4ed5\u69d8\u3067\u306f\u306a\u304f\u3001\u540c\u3058\u8a66\u9a13\u7d50\u679c\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u305d\u3053\u304b\u3089\u3001\u4e8c\u3064\u306e\u5b9f\u969b\u7684\u306a\u7d50\u8ad6\u304c\u5c0e\u304d\u51fa\u3055\u308c\u308b\u3002<\/p>\n<ul>\n<li>\u5404\u30c6\u30a3\u30a2\u306f\u3001\u305d\u308c\u304c\u8868\u3059\u74b0\u5883\u30af\u30e9\u30b9\u306b\u57fa\u3065\u3044\u3066\u6bd4\u8f03\u3057\u307e\u3059\u3002\u30c6\u30a3\u30a2\u304c\u9ad8\u3044\u307b\u3069\u3001\u3088\u308a\u53b3\u3057\u3044\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002.<\/li>\n<li>\u552f\u4e00\u72ec\u7acb\u3057\u305f\u6570\u5024\u3068\u3057\u3066\u6b8b\u3063\u3066\u3044\u308b\u306e\u306f\u3001MOV\u306e\u30b8\u30e5\u30fc\u30eb\u5b9a\u683c\u3067\u3059\u3002\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u8aac\u660e\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p><strong>\u6b63\u76f4\u306a\u9650\u754c<\/strong><\/p>\n<p>\u8a66\u9a13\u8a55\u4fa1\u306f\u3001\u3042\u3089\u3086\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u30b5\u30fc\u30b8\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u3001\u88fd\u54c1\u304c\u8a66\u9a13\u3055\u308c\u305f\u6761\u4ef6\u3092\u793a\u3059\u3082\u306e\u3067\u3042\u308a\u3001\u305d\u308c\u4ee5\u4e0a\u306e\u610f\u5473\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<h2>\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3067kV\u5b9a\u683c\u4ee5\u5916\u306b\u78ba\u8a8d\u3059\u3079\u304d\u4e8b\u9805\u306f\uff1f<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/leaditop.com\/wp-content\/uploads\/2026\/11\/led-street-lighting-city-night.webp\" alt=\"\u591c\u9593\u3001\u8fd1\u4ee3\u7684\u306a\u90fd\u5e02\u306e\u4ea4\u5dee\u70b9\u3092\u7167\u3089\u3059LED\u8857\u8def\u706f\" \/><\/p>\n<p>\u6bd4\u8f03\u3059\u308b\u3068 <strong>\u8857\u8def\u706f\u30bb\u30f3\u30b5\u30fc <\/strong>\u5404\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u30b5\u30fc\u30b8\u5b9a\u683c\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u9805\u76ee\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u73fe\u5834\u306e\u72b6\u6cc1\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n<p>\u30b8\u30e5\u30fc\u30eb\u5bb9\u91cf\uff08MOV\u30a8\u30cd\u30eb\u30ae\u30fc\uff09<\/p>\n<p>\u305d\u306e <strong>\u5149\u5236\u5fa1\u7528\u30d5\u30a9\u30c8\u30bb\u30eb <\/strong><a href=\"https:\/\/www.spire-is.com\/what-is-a-metal-oxide-varistor-mov\/\" target=\"_blank\" rel=\"noopener\">\u52d5\u753b<\/a> \u9ad8\u30d5\u30e9\u30c3\u30b7\u30e5\u9818\u57df\u306b\u304a\u3051\u308b\u5b9f\u969b\u306e\u8010\u7528\u5e74\u6570\u3092\u4e88\u6e2c\u3059\u308b\u306e\u306f\u3001\u30b8\u30e5\u30fc\u30eb\u5024\u3067\u3059\u3002MOV\u306f\u30b5\u30fc\u30b8\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5438\u53ce\u3057\u3001\u30b5\u30fc\u30b8\u304c\u767a\u751f\u3059\u308b\u305f\u3073\u306b\u305d\u306e\u5bb9\u91cf\u304c\u5c11\u3057\u305a\u3064\u6d88\u8cbb\u3055\u308c\u307e\u3059\u3002\u540c\u3058kV\u5b9a\u683c\u306e2\u3064\u306e\u30e6\u30cb\u30c3\u30c8\u3067\u3082\u3001\u30b8\u30e5\u30fc\u30eb\u5b9a\u683c\u304c\u7570\u306a\u308b\u3068\u3001\u8010\u7528\u5e74\u6570\u304c3\u500d\u3082\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u8a66\u9a13\u6761\u4ef6<\/p>\n<p>\u30b8\u30e5\u30fc\u30eb\u3084kV\u306e\u5024\u306f\u3001\u8a66\u9a13\u6761\u4ef6\u304c\u306a\u3051\u308c\u3070\u307b\u3068\u3093\u3069\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u4ee5\u4e0b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\u6ce2\u5f62\uff081.2\/50 \u00b5s\uff5e8\/20 \u00b5s\uff09<\/li>\n<li>\u30bd\u30fc\u30b9\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/li>\n<li>\u5370\u52a0\u3055\u308c\u305f\u30d1\u30eb\u30b9\u6570<\/li>\n<li>\u30b8\u30e5\u30fc\u30eb\u5024\u306fMOV1\u500b\u3042\u305f\u308a\u306e\u5024\u304b\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u5168\u4f53\u306e\u5024\u304b\u306b\u95a2\u308f\u3089\u305a<\/li>\n<li>\u6545\u969c\u30e2\u30fc\u30c9\u3068\u71b1\u906e\u65ad<\/li>\n<\/ul>\n<p>\u3059\u3079\u3066\u306eMOV\u306f\u6700\u7d42\u7684\u306b\u52a3\u5316\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u306f\u3001\u5bff\u547d\u304c\u5c3d\u304d\u305f\u969b\u306b\u4f55\u304c\u8d77\u3053\u308b\u304b\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<tbody>\n<tr>\n<td><strong>\u30d5\u30a7\u30a4\u30eb\u30e2\u30fc\u30c9<\/strong><\/td>\n<td><strong>\u30e9\u30f3\u30d7\u306e\u6a5f\u80fd<\/strong><\/td>\n<td><strong>\u5b9f\u52b9\u52b9\u679c<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a7\u30a4\u30eb\u30aa\u30f3<\/td>\n<td>\u65e5\u4e2d\u306f\u70b9\u706f\u3057\u305f\u307e\u307e\u3067\u3059<\/td>\n<td>\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u7121\u99c4\u9063\u3044\u3060\u304c\u3001\u898b\u3064\u3051\u308b\u306e\u306f\u7c21\u5358\u3060<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a7\u30a4\u30eb\u30aa\u30d5<\/td>\n<td>\u591c\u306f\u6697\u3044\u307e\u307e<\/td>\n<td>\u5b89\u5168\u4e0a\u306e\u61f8\u5ff5\u3001\u767a\u898b\u304c\u56f0\u96e3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>MOV\uff08\u91d1\u5c5e\u9178\u5316\u7269\u30d0\u30ea\u30b9\u30bf\uff09\u304c\u52a3\u5316\u3057\u305f\u969b\u306b\u904e\u71b1\u3092\u9632\u3050\u305f\u3081\u3001\u30b5\u30fc\u30de\u30eb\u30c7\u30a3\u30b9\u30b3\u30cd\u30af\u30c8\u304c\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p>\u6e29\u5ea6\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0<\/p>\n<p>\u5468\u56f2\u6e29\u5ea6\u306e\u4e0a\u6607\u306b\u4f34\u3044\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u590f\u5834\u306e\u30dd\u30fc\u30eb\u4e0a\u90e8\u7b50\u4f53\u306f\u300125\u2103\u306e\u5b9f\u9a13\u5ba4\u74b0\u5883\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u6570\u5024\u304c\u3001\u8a2d\u7f6e\u5834\u6240\u306e\u5b9f\u969b\u306e\u52d5\u4f5c\u6e29\u5ea6\u3067\u6709\u52b9\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2>\u9078\u3073\u65b9 <strong>\u96f7\u5236\u5fa1<\/strong> \u30b5\u30fc\u30b8\u5b9a\u683c\uff1f<\/h2>\n<p>\u7acb\u5730\u6761\u4ef6\u306b\u3088\u3063\u3066\u9069\u5207\u306a\u30c6\u30a3\u30a2\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e4\u3064\u306e\u8981\u7d20\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong>\u843d\u96f7\u306b\u3088\u308b\u88ab\u5bb3<\/strong><\/li>\n<\/ul>\n<p>\u305d\u306e\u5730\u57df\u306e\u5e74\u9593\u96f7\u96e8\u65e5\u6570\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<ul>\n<li><strong>\u30e9\u30a4\u30f3\u5efa\u8a2d<\/strong><\/li>\n<\/ul>\n<p>\u3080\u304d\u51fa\u3057\u306e\u67b6\u7a7a\u9001\u96fb\u7dda\u306f\u3001\u30b7\u30fc\u30eb\u30c9\u4ed8\u304d\u30b1\u30fc\u30d6\u30eb\u3084\u5730\u4e2d\u30b1\u30fc\u30d6\u30eb\u3088\u308a\u3082\u30ea\u30b9\u30af\u304c\u9ad8\u3044\u3002.<\/p>\n<ul>\n<li><strong>\u63a5\u5730\u54c1\u8cea<\/strong><\/li>\n<\/ul>\n<p>\u63a5\u5730\u4e0d\u826f\u306f\u3001\u5149\u96fb\u30bb\u30eb\u306b\u904e\u5270\u306a\u30b5\u30fc\u30b8\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u767a\u751f\u3055\u305b\u308b\u3002.<\/p>\n<ul>\n<li><strong>\u904e\u53bb\u306e\u5931\u6557\u6b74<\/strong><\/li>\n<\/ul>\n<p>\u3053\u308c\u306f\u5730\u56f3\u306e\u5185\u5bb9\u3092\u4e0a\u66f8\u304d\u3057\u307e\u3059\u3002\u3042\u308b\u5730\u70b9\u3067\u5149\u96fb\u30bb\u30eb\u304c\u7e70\u308a\u8fd4\u3057\u6545\u969c\u3059\u308b\u5834\u5408\u3001\u7d71\u8a08\u30c7\u30fc\u30bf\u304c\u4f55\u3092\u793a\u3057\u3066\u3044\u3088\u3046\u3068\u3082\u3001\u305d\u306e\u5730\u70b9\u306f\u9ad8\u9732\u51fa\u5730\u70b9\u3068\u307f\u306a\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p>\u7d4c\u9a13\u5247<\/p>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<tbody>\n<tr>\n<td><strong>\u30b5\u30a4\u30c8\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb<\/strong><\/td>\n<td><strong>\u63a8\u5968\u30af\u30e9\u30b9<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u4f4e\u9732\u51fa\u3001\u826f\u597d\u306a\u63a5\u5730<\/td>\n<td>6kV<\/td>\n<\/tr>\n<tr>\n<td>\u6a19\u6e96\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u8f38\u51fa\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/td>\n<td>10kV<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u66dd\u9732\u90e8\u4f4d\u307e\u305f\u306f\u7e70\u308a\u8fd4\u3057\u6545\u969c\u3059\u308b\u90e8\u4f4d<\/td>\n<td>20kV<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\u30b8\u30e5\u30fc\u30eb\u5024\u306b\u95a2\u3057\u3066\u306f\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u30aa\u30fc\u30d0\u30fc\u304c\u5c11\u306a\u304f\u3001\u63a5\u5730\u304c\u3057\u3063\u304b\u308a\u3057\u3066\u3044\u308b\u9001\u96fb\u7db2\u3067\u3042\u308c\u3070\u3001200\uff5e475\u30b8\u30e5\u30fc\u30eb\u3067\u5341\u5206\u3067\u3059\u3002\u843d\u96f7\u306e\u591a\u3044\u5730\u57df\u306e\u88f8\u67b6\u7a7a\u9001\u96fb\u7dda\u306b\u306f\u3001\u5c11\u306a\u304f\u3068\u3082950\u30b8\u30e5\u30fc\u30eb\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<p>\u7591\u554f\u70b9\u304c\u591a\u3044\u5834\u5408\u306f\u3001\u8a66\u9a13\u306b\u5fc5\u8981\u306a\u5185\u5bb9\u306b\u3064\u3044\u3066\u4f9b\u7d66\u696d\u8005\u306b\u76f8\u8ac7\u3059\u308b\u306e\u304c\u6700\u5584\u3067\u3059\u3002kV\u5b9a\u683c\u306e\u307f\u306b\u57fa\u3065\u3044\u3066\u5224\u65ad\u3059\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<p>\u88fd\u54c1\u306e\u304a\u3059\u3059\u3081<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/leaditop.com\/wp-content\/uploads\/2026\/11\/lead-top-lt154e-photocontrol-photocell.webp\" alt=\"\u8857\u8def\u706f\u7528UL\u8a8d\u8a3c\u53d6\u5f97\u6e08\u307f\u925b\u88fd\u30c8\u30c3\u30d7LT154E\u5149\u96fb\u30bb\u30eb\" \/><img decoding=\"async\" src=\"https:\/\/leaditop.com\/wp-content\/uploads\/2026\/11\/lead-top-lt134-photocontrol-blue.webp\" alt=\"\u8857\u8def\u706f\u7528\u925b\u88fd\u30c8\u30c3\u30d7LT134\u9752\u8272\u5149\u5236\u5fa1\u88c5\u7f6e\" \/><\/p>\n<p>\u30c4\u30a4\u30b9\u30c8\u30ed\u30c3\u30af <strong>\u30d5\u30a9\u30c8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong>, \u3001 \u306e\u3088\u3046\u306a <a href=\"https:\/\/leaditop.com\/ja\/product\/led%e3%83%a9%e3%82%a4%e3%83%88%e7%94%a8%e5%b1%8b%e5%a4%96%e8%87%aa%e5%8b%95%e6%98%bc%e5%85%89%e3%82%bb%e3%83%b3%e3%82%b5%e3%83%bc%e3%82%b9%e3%82%a4%e3%83%83%e3%83%81\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#d63638; font-weight:600;\">LT134<\/a> \u305d\u3057\u3066 <a href=\"https:\/\/leaditop.com\/ja\/product\/%e3%83%84%e3%82%a4%e3%82%b9%e3%83%88%e3%83%ad%e3%83%83%e3%82%af%e5%85%89%e9%9b%bb%e3%82%b9%e3%82%a4%e3%83%83%e3%83%81-lt154e-%e3%83%95%e3%82%a9%e3%83%88%e3%82%bb%e3%83%ab%e3%82%bb%e3%83%b3%e3%82%b5\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#d63638; font-weight:600;\">LT154<\/a> Lead-Top\u793e\u88fd\u306e\u3053\u306e\u88fd\u54c1\u306f\u3001\u5c4b\u5916\u7167\u660e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u9069\u5207\u306a\u5149\u5236\u5fa1\u306f\u3001\u4ee5\u4e0b\u306e\u88fd\u54c1\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5fdc\u7528<\/li>\n<li>\u96fb\u6d41\u30b5\u30fc\u30b8<\/li>\n<li>MOV\u4ed5\u69d8<\/li>\n<\/ul>\n<p>Lead-Top\u793e\u306f\u3001\u8857\u8def\u706f\u3001\u9053\u8def\u7167\u660e\u3001\u99d0\u8eca\u5834\u7167\u660e\u3001\u666f\u89b3\u7167\u660e\u7528\u306e\u914d\u7dda\u5f0f\u5236\u5fa1\u88c5\u7f6e\u304a\u3088\u3073\u95a2\u9023\u30d9\u30fc\u30b9\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<p>20kV\u3068\u306f\u3069\u3046\u3044\u3046\u610f\u5473\u3067\u3059\u304b\uff1f <strong>\u5149\u96fb\u30bb\u30eb\u30b9\u30a4\u30c3\u30c1<\/strong>?<\/p>\n<p>\u3053\u308c\u306f\u30012\u03a9\u306e\u30bd\u30fc\u30b9\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306b\u304a\u3051\u308b\u6a19\u6e96\u7684\u306a\u8907\u5408\u6ce2\u8a66\u9a13\u306e\u958b\u56de\u8def\u96fb\u5727\u8a2d\u5b9a\u5024\u3067\u3059\u3002\u540c\u3058\u8a66\u9a13\u3067\u306f10kA\u306e\u77ed\u7d61\u96fb\u6d41\u304c\u5b9a\u7fa9\u3055\u308c\u3001IEEE C62.41.2\u30ab\u30c6\u30b4\u30eaC\u9ad8\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u8a66\u9a13\u6761\u4ef6\u3092\u8aac\u660e\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u3042\u3089\u3086\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u30b9\u30c8\u30e9\u30a4\u30af\u306b\u5bfe\u3059\u308b\u4fdd\u8a3c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<p>kV\u5024\u304c\u9ad8\u3044\u307b\u3069\u5e38\u306b\u512a\u308c\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u3044\u3044\u3048\u3002\u4e0a\u4f4d\u306e\u30c6\u30a3\u30a2\u306f\u3001\u3088\u308a\u904e\u9177\u306a\u74b0\u5883\u30af\u30e9\u30b9\u3067\u30c6\u30b9\u30c8\u3055\u308c\u305f\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u73fe\u5834\u3067\u306e\u8010\u7528\u5e74\u6570\u306f\u4e3b\u306bMOV\u306e\u30b8\u30e5\u30fc\u30eb\u5b9a\u683c\u306b\u3088\u3063\u3066\u6c7a\u307e\u308b\u305f\u3081\u3001kV\u5024\u3060\u3051\u3067\u306a\u304f\u30a8\u30cd\u30eb\u30ae\u30fc\u5bb9\u91cf\u3082\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p>\u5149\u96fb\u30bb\u30eb\u306f\u4f55\u30b8\u30e5\u30fc\u30eb\u5fc5\u8981\u304b\uff1f<\/p>\n<ul>\n<li><strong>\u4f4e\u30d5\u30e9\u30c3\u30b7\u30e5\u7528<\/strong><\/li>\n<\/ul>\n<p>200\uff5e475J\u7a0b\u5ea6\u306e\u5341\u5206\u306a\u63a5\u5730\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u3042\u308c\u3070\u3001\u901a\u5e38\u306f\u5341\u5206\u3067\u3059\u3002.<\/p>\n<ul>\n<li><strong>\u88f8\u306e\u67b6\u7a7a\u7dda\u306e\u5834\u5408 <\/strong><\/li>\n<\/ul>\n<p>\u96f7\u306e\u767a\u751f\u983b\u5ea6\u304c\u9ad8\u3044\u5730\u57df\u3067\u306f\u3001950J\u4ee5\u4e0a\u306e\u51fa\u529b\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p>\u30b8\u30e5\u30fc\u30eb\u53ce\u652f\u306b\u3088\u3063\u3066\u3001\u305d\u306e\u30e6\u30cb\u30c3\u30c8\u304c\u4f55\u56de\u306e\u66b4\u98a8\u96e8\u30b7\u30fc\u30ba\u30f3\u306b\u8010\u3048\u3089\u308c\u308b\u304b\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002.<\/p>\n<p>\u30b5\u30fc\u30b8\u5b9a\u683c\u306e\u5149\u96fb\u30bb\u30eb\u306f\u3001\u5225\u9014\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u306e\u4ee3\u308f\u308a\u306b\u306a\u308a\u307e\u3059\u304b\uff1f<\/p>\n<p>\u3044\u3044\u3048\u3002\u5149\u5236\u5fa1\u88c5\u7f6e\u306f\u81ea\u8eab\u3068\u5185\u90e8\u56de\u8def\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u30c1\u30a7\u30fc\u30f3\u306e\u6700\u5f8c\u306e\u30c7\u30d0\u30a4\u30b9\u306a\u306e\u3067\u3001\u30d1\u30cd\u30eb\u30ec\u30d9\u30eb\u3067\u3059\u3002 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Surge_protector\" target=\"_blank\" rel=\"noopener\">SPD<\/a>\u9069\u5207\u306a\u96fb\u67f1\u63a5\u5730\u3068\u96fb\u6c17\u914d\u7dda\u304c\u4f9d\u7136\u3068\u3057\u3066\u4e3b\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u660e\u308b\u3044\u5834\u6240\u306b\u9069\u3057\u305f\u5149\u96fb\u30bb\u30f3\u30b5\u30fc\u306f\u3069\u306e\u3088\u3046\u306b\u9078\u3079\u3070\u826f\u3044\u3067\u3059\u304b\uff1f<\/p>\n<p>\u30ec\u30d3\u30e5\u30fc\uff1a<\/p>\n<ul>\n<li>\u5c40\u5730\u7684\u306a\u96f7\u96e8\u767a\u751f\u65e5\u30c7\u30fc\u30bf<\/li>\n<li>\u30e9\u30a4\u30f3\u5efa\u8a2d<\/li>\n<li>\u63a5\u5730\u62b5\u6297<\/li>\n<li>\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3068\u306e\u53d6\u5f15\u306b\u304a\u3051\u308b\u3042\u306a\u305f\u81ea\u8eab\u306e\u5931\u6557\u5c65\u6b74<\/li>\n<\/ul>\n<h2>\u7d50\u3073\u306e\u8a00\u8449<\/h2>\n<p>\u5149\u96fb\u30bb\u30eb\u306e\u96f7\u4fdd\u8b77\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u306f\u3001kV\u5024\u3060\u3051\u3092\u898b\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u74b0\u5883\u30af\u30e9\u30b9\u306b\u5408\u3063\u305f\u5b9a\u683c\u5024\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\u30b8\u30e5\u30fc\u30eb\u5bb9\u91cf<\/li>\n<li>\u8a66\u9a13\u6761\u4ef6<\/li>\n<li>\u30d5\u30a7\u30a4\u30eb\u30e2\u30fc\u30c9<\/li>\n<li>\u6e29\u5ea6\u306b\u3088\u308b\u5b9a\u683c\u4f4e\u4e0b<\/li>\n<\/ul>\n<p>\u73fe\u5834\u306e\u72b6\u6cc1\u3068\u904e\u53bb\u306e\u6545\u969c\u5c65\u6b74\u306b\u57fa\u3065\u3044\u3066\u6700\u7d42\u7684\u306a\u30c6\u30a3\u30a2\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u9732\u51fa\u3001\u7dda\u7a2e\u3001\u904e\u53bb\u306e\u6545\u969c\u306a\u3069\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u6761\u4ef6\u3092\u5171\u6709\u3057\u3001\u8cea\u554f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/leaditop.com\/ja\/%e6%8e%a5%e8%a7%a6\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#d63638; font-weight:600;\">\u30ea\u30fc\u30c9\u30c8\u30c3\u30d7<\/a> \u9069\u5207\u306a\u5149\u5236\u5fa1\u5264\u3092\u3054\u63d0\u6848\u3044\u305f\u3057\u307e\u3059\u3002\u5f0a\u793e\u306e\u30c1\u30fc\u30e0\u304c\u3001\u63a8\u5968\u30e2\u30c7\u30eb\u3068\u305d\u308c\u3092\u88cf\u4ed8\u3051\u308b\u8a66\u9a13\u30c7\u30fc\u30bf\u3092\u3054\u63d0\u4f9b\u3044\u305f\u3057\u307e\u3059\u3002.<\/p>\n<h2>\u5916\u90e8\u30ea\u30f3\u30af<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.ieee.org\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.ieee.org\/<\/a><\/li>\n<li><a href=\"https:\/\/www.spire-is.com\/what-is-a-metal-oxide-varistor-mov\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.spire-is.com\/what-is-a-metal-oxide-varistor-mov\/<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Surge_protector\" target=\"_blank\" rel=\"noopener\">https:\/\/en.wikipedia.org\/wiki\/Surge_protector<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The surge rating can help you evaluate photocontrols, but kV only tells part of the story. Two photocontrols with identical kV ratings will perform totally differently several storm years later. This article provides information on the significance of the rating, other features to look for on a datasheet, and how to select photocell surge protection. What Causes Surge Damage to Photocells? The light sensor is located at the end of the line, most probably on top of a pole. This positioning exposes the street light controller to all interference present on the line. Common surge sources include: Direct lightning on overhead lines A strike on a bare conductor sends a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6760,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6763","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/posts\/6763","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/comments?post=6763"}],"version-history":[{"count":4,"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/posts\/6763\/revisions"}],"predecessor-version":[{"id":6779,"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/posts\/6763\/revisions\/6779"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/media\/6760"}],"wp:attachment":[{"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/media?parent=6763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/categories?post=6763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/leaditop.com\/ja\/wp-json\/wp\/v2\/tags?post=6763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}