{"id":17669,"date":"2025-06-24T10:46:03","date_gmt":"2025-06-24T02:46:03","guid":{"rendered":"https:\/\/viox.com\/?p=17669"},"modified":"2026-01-03T23:50:27","modified_gmt":"2026-01-03T15:50:27","slug":"what-is-a-surge-protection-device","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/what-is-a-surge-protection-device\/","title":{"rendered":"\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\uff08SPD\uff09\u3068\u306f"},"content":{"rendered":"<div class=\"product-intro\">\n<p><strong>\u30b5\u30fc\u30b8\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\uff08SPD\uff09\u306f\u3001\u96f7\u3001\u96fb\u529b\u7db2\u306e\u5207\u308a\u66ff\u3048\u3001\u307e\u305f\u306f\u96fb\u6c17\u7684\u6545\u969c\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u96fb\u5727\u30b9\u30d1\u30a4\u30af\u304b\u3089\u6a5f\u5668\u3084\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u3092\u4fdd\u8b77\u3059\u308b\u96fb\u6c17\u5b89\u5168\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002.<\/strong> SPD\u306f\u3001\u904e\u5270\u306a\u96fb\u6c17\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u81ea\u52d5\u7684\u306b\u63a5\u5730\u3055\u305b\u3001\u654f\u611f\u306a\u96fb\u5b50\u6a5f\u5668\u3001\u5bb6\u96fb\u88fd\u54c1\u3001\u304a\u3088\u3073\u96fb\u6c17\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3078\u306e\u640d\u50b7\u3092\u9632\u304e\u307e\u3059\u3002SPD\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3001\u9069\u5207\u306a\u9078\u629e\u57fa\u6e96\u3001\u304a\u3088\u3073 <a href=\"https:\/\/test.viox.com\/ja\/spd-installation-requirements-meeting-code-and-safety-standards\/\">\u8a2d\u7f6e\u8981\u4ef6<\/a> \u306f\u3001\u96fb\u6c17\u7684\u6295\u8cc7\u3092\u4fdd\u8b77\u3057\u3001\u6cd5\u898f\u9075\u5b88\u3092\u78ba\u4fdd\u3057\u3001\u4f4f\u5b85\u3001\u5546\u696d\u3001\u304a\u3088\u3073\u7523\u696d\u7528\u9014\u306b\u304a\u3051\u308b\u96fb\u6c17\u7684\u5b89\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n<h2>\u3068\u306f\u4f55\u304b\uff1f <a href=\"https:\/\/test.viox.com\/ja\/spd\/\">\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e<\/a>\uff1a\u6280\u8853\u7684\u5b9a\u7fa9<\/h2>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Technical-cutaway-diagram-of-VIOX-surge-protection-device-showing-MOV-varistor-discs-thermal-disconnect-and-internal-surge-protection-components.webp\" alt=\"VIOX SPD technical cutaway diagram showing internal MOV discs and thermal disconnect mechanism\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 8px; font-size: 0.9em;\">\u56f31\uff1aVIOX\u30b5\u30fc\u30b8\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306e\u5185\u90e8\u69cb\u9020\u3002MOV\u30b9\u30bf\u30c3\u30af\u3084\u71b1\u906e\u65ad\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u91cd\u8981\u306a\u5b89\u5168\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5f37\u8abf\u3057\u3066\u3044\u307e\u3059\u3002.<\/figcaption><\/figure>\n<p>\u30b5\u30fc\u30b8\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\uff08SPD\uff09\u306f\u3001\u30b5\u30fc\u30b8\u9632\u8b77\u30c7\u30d0\u30a4\u30b9\u307e\u305f\u306f\u904e\u6e21\u96fb\u5727\u30b5\u30fc\u30b8\u6291\u5236\u5668\uff08TVSS\uff09\u3068\u3082\u547c\u3070\u308c\u3001\u56de\u8def\u3068\u63a5\u7d9a\u3055\u308c\u305f\u6a5f\u5668\u3092\u96fb\u5727\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u304a\u3088\u3073\u30b5\u30fc\u30b8\u304b\u3089\u4fdd\u8b77\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u96fb\u6c17\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002\u3053\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u96fb\u6e90\u3068\u6a5f\u5668\u306e\u9593\u306b\u914d\u7f6e\u3055\u308c\u3001\u96fb\u5727\u3092\u7d99\u7d9a\u7684\u306b\u76e3\u8996\u3057\u307e\u3059\u3002.<\/p>\n<p>\u901a\u5e38\u306e\u6761\u4ef6\uff08\u5317\u7c73\u3067\u306f120V AC\u306a\u3069\uff09\u3067\u306f\u3001SPD\u306f\u96fb\u6c17\u7684\u306b\u898b\u3048\u307e\u305b\u3093\u3002\u9ad8\u3044\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u793a\u3057\u3001\u96fb\u529b\u304c\u63a5\u7d9a\u3055\u308c\u305f\u8ca0\u8377\u306b\u59a8\u3052\u3089\u308c\u305a\u306b\u6d41\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u96fb\u5727\u304cSPD\u306e\u4f5c\u52d5\u95be\u5024\uff08\u30af\u30e9\u30f3\u30d7\u96fb\u5727\u307e\u305f\u306f\u30d6\u30ec\u30fc\u30af\u30c0\u30a6\u30f3\u96fb\u5727\uff09\u3092\u8d85\u3048\u308b\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u4f4e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u72b6\u614b\u306b\u79fb\u884c\u3057\u3001\u904e\u5270\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u63a5\u5730\u306b\u30b7\u30e3\u30f3\u30c8\u3059\u308b\u304b\u3001\u5185\u90e8\u3067\u653e\u6563\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u4e3b\u306a\u6280\u8853\u7684\u7279\u5fb4:<\/strong><\/p>\n<ul>\n<li><strong>\u96fb\u5727\u30af\u30e9\u30f3\u30d7\uff1a<\/strong> \u6700\u5927\u96fb\u5727\u3092\u5b89\u5168\u306a\u30ec\u30d9\u30eb\uff08\u901a\u5e38\u3001UL 1449\u306b\u57fa\u3065\u304f120V\u56de\u8def\u306e\u5834\u5408\u3001330V\u301c500V\uff09\u306b\u5236\u9650\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u5fdc\u7b54\u6642\u9593\uff1a<\/strong> \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306b\u5fdc\u3058\u3066\u30ca\u30ce\u79d2\u304b\u3089\u30de\u30a4\u30af\u30ed\u79d2\u3067\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30a8\u30cd\u30eb\u30ae\u30fc\u5438\u53ce\uff1a<\/strong> \u30b8\u30e5\u30fc\u30eb\u3067\u8a55\u4fa1\u3055\u308c\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u51e6\u7406\u3067\u304d\u308b\u7dcf\u30b5\u30fc\u30b8\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u6700\u5927\u9023\u7d9a\u52d5\u4f5c\u96fb\u5727\uff08MCOV\uff09\uff1a<\/strong> SPD\u304c\u4f5c\u52d5\u305b\u305a\u306b\u7d99\u7d9a\u7684\u306b\u8010\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u6700\u9ad8\u96fb\u5727\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u30af\u30e9\u30f3\u30d7\u52d5\u4f5c\u306b\u3088\u308a\u3001\u6a5f\u5668\u306b\u304b\u304b\u308b\u96fb\u5727\u304c\u3088\u308a\u5b89\u5168\u306a\u30ec\u30d9\u30eb\u306b\u7dad\u6301\u3055\u308c\u3001\u654f\u611f\u306a\u96fb\u5b50\u6a5f\u5668\u3078\u306e\u640d\u50b7\u3092\u9632\u304e\u307e\u3059\u3002\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u304c\u901a\u904e\u3059\u308b\u3068\u3001SPD\u306f\u81ea\u52d5\u7684\u306b\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u30b9\u30bf\u30f3\u30d0\u30a4\u72b6\u614b\u306b\u623b\u308a\u3001\u6b21\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u5099\u3048\u307e\u3059\u3002.<\/p>\n<h2>\u96fb\u6c17\u30b5\u30fc\u30b8\u306e\u7406\u89e3\uff1a\u767a\u751f\u6e90\u3068\u5f71\u97ff<\/h2>\n<p>\u96fb\u6c17\u30b5\u30fc\u30b8\u306f\u3001\u65bd\u8a2d\u5916\u3067\u767a\u751f\u3059\u308b\u5916\u90e8\u30a4\u30d9\u30f3\u30c8\u3068\u3001\u72ec\u81ea\u306e\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u6a5f\u5668\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u308b\u5185\u90e8\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u306e2\u3064\u306e\u5e83\u7bc4\u306a\u30ab\u30c6\u30b4\u30ea\u304b\u3089\u767a\u751f\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u5916\u90e8\u30b5\u30fc\u30b8\u767a\u751f\u6e90<\/h3>\n<p><strong>\u843d\u96f7\u306f\u6700\u3082\u5287\u7684\u306a\u5916\u90e8\u767a\u751f\u6e90\u3067\u3059\u3002\u96fb\u529b\u7dda\u3078\u306e\u76f4\u6483\u96f7\u306f\u300110\u4e07\u30a2\u30f3\u30da\u30a2\u3092\u8d85\u3048\u308b\u96fb\u6d41\u3068\u6570\u4e07\u30dc\u30eb\u30c8\u306b\u9054\u3059\u308b\u96fb\u5727\u3092\u6ce8\u5165\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9593\u63a5\u7684\u306a\u843d\u96f7\u3067\u3055\u3048\u20141\u30de\u30a4\u30eb\u96e2\u308c\u305f\u5834\u6240\u3067\u306e\u96f7\u6483\u3067\u3082\u2014\u96fb\u78c1\u8a98\u5c0e\u3092\u901a\u3058\u3066\u96fb\u529b\u914d\u96fb\u7dda\u306b\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u7d50\u5408\u3055\u305b\u3001\u30ad\u30ed\u30dc\u30eb\u30c8\u30ec\u30d9\u30eb\u306e\u30b5\u30fc\u30b8\u3092\u5bb6\u5ead\u3084\u4e8b\u696d\u6240\u306b\u9001\u308a\u8fbc\u307f\u307e\u3059\u3002<\/strong> \u96fb\u529b\u4f1a\u793e\u306e\u958b\u9589\u64cd\u4f5c\u306f\u3001\u906e\u65ad\u5668\u306e\u958b\u9589\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u30d0\u30f3\u30af\u306e\u5207\u308a\u66ff\u3048\u3001\u307e\u305f\u306f\u7cfb\u7d71\u4e0a\u306e\u6545\u969c\u9664\u53bb\u6642\u306b\u30b5\u30fc\u30b8\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4e8b\u8c61\u306f\u901a\u5e38600V\u304b\u30891,000V\u306e\u7bc4\u56f2\u306e\u96fb\u5727\u30b9\u30d1\u30a4\u30af\u3092\u751f\u307f\u51fa\u3057\u2014\u843d\u96f7\u3088\u308a\u306f\u6df1\u523b\u5ea6\u306f\u4f4e\u3044\u3082\u306e\u306e\u3001\u306f\u308b\u304b\u306b\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u5185\u90e8\u30b5\u30fc\u30b8\u767a\u751f\u6e90<\/strong> \u96fb\u529b\u4f1a\u793e\u304c\u958b\u9589\u3059\u308b\u3068\u304d\u306b\u30b5\u30fc\u30b8\u3092\u751f\u6210\u3057\u307e\u3059\u3002 <a href=\"https:\/\/test.viox.com\/ja\/types-of-circuit-breakers\/\">\u906e\u65ad\u5668<\/a>, \u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u30d0\u30f3\u30af\u3092\u5207\u308a\u66ff\u3048\u305f\u308a\u3001\u30b0\u30ea\u30c3\u30c9\u4e0a\u306e\u969c\u5bb3\u3092\u89e3\u6d88\u3057\u305f\u308a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30a4\u30d9\u30f3\u30c8\u306f\u3001\u901a\u5e38600V\u301c1,000V\u306e\u7bc4\u56f2\u306e\u96fb\u5727\u30b9\u30d1\u30a4\u30af\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u96f7\u3088\u308a\u3082\u6df1\u523b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u306f\u308b\u304b\u306b\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u30b5\u30fc\u30b8\u30b5\u30d7\u30ec\u30c3\u30b5\u30fc\u306e\u52d5\u4f5c\u539f\u7406\uff1a\u4fdd\u8b77\u306e\u80cc\u666f\u306b\u3042\u308b\u79d1\u5b66<\/h3>\n<p>\u30b5\u30fc\u30b8\u30b5\u30d7\u30ec\u30c3\u30b5\u30fc\u306f\u3001\u96fb\u5727\u4f5c\u52d5\u30b9\u30a4\u30c3\u30c1\u307e\u305f\u306f\u30af\u30e9\u30f3\u30d7\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u901a\u5e38\u52d5\u4f5c\u6642\u306b\u306f\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\uff08\u975e\u5c0e\u96fb\u6027\uff09\u72b6\u614b\u3092\u7dad\u6301\u3057\u3001\u96fb\u5727\u304c\u52d5\u4f5c\u3057\u304d\u3044\u5024\u3092\u8d85\u3048\u308b\u3068\u6025\u901f\u306b\u4f4e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\uff08\u5c0e\u96fb\u6027\uff09\u72b6\u614b\u306b\u9077\u79fb\u3057\u307e\u3059\u3002\u3053\u306e\u72b6\u614b\u5909\u5316\u306b\u3088\u308a\u3001\u30b5\u30fc\u30b8\u96fb\u6d41\u304c\u4fdd\u8b77\u6a5f\u5668\u304b\u3089\u8fc2\u56de\u3055\u308c\u308b\u304b\u3001\u96fb\u5727\u304c\u3088\u308a\u5b89\u5168\u306a\u30ec\u30d9\u30eb\u306b\u30af\u30e9\u30f3\u30d7\u3055\u308c\u307e\u3059\u3002.<\/p>\n<h2>\u30b5\u30fc\u30b8\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306e\u4ed5\u7d44\u307f\uff1a\u4fdd\u8b77\u306e\u80cc\u5f8c\u306b\u3042\u308b\u79d1\u5b66<\/h2>\n<p>SPD\u306f\u3001\u96fb\u5727\u3067\u4f5c\u52d5\u3059\u308b\u30b9\u30a4\u30c3\u30c1\u307e\u305f\u306f\u30af\u30e9\u30f3\u30d7\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u901a\u5e38\u306e\u52d5\u4f5c\u4e2d\u306f\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\uff08\u975e\u5c0e\u96fb\u6027\uff09\u72b6\u614b\u3092\u7dad\u6301\u3057\u3001\u96fb\u5727\u304c\u4f5c\u52d5\u95be\u5024\u3092\u8d85\u3048\u308b\u3068\u3001\u4f4e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\uff08\u5c0e\u96fb\u6027\uff09\u72b6\u614b\u306b\u6025\u901f\u306b\u79fb\u884c\u3057\u307e\u3059\u3002.<\/p>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Technical-diagram-showing-SPD-surge-protection-device-voltage-clamping-mechanism-reducing-1200V-electrical-surge-to-safe-330V-level-protecting-equipment.webp\" alt=\"Oscilloscope diagram showing SPD clamping a 1200V surge down to 330V\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 8px; font-size: 0.9em;\">\u56f32\uff1a\u30af\u30e9\u30f3\u30d7\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u793a\u3059\u6280\u8853\u7684\u306a\u6982\u7565\u56f3\uff1aSPD\u306f1200V\u306e\u30b5\u30fc\u30b8\u30d4\u30fc\u30af\u3092\u691c\u51fa\u3057\u3001\u51fa\u529b\u96fb\u5727\u3092\u5b89\u5168\u306a330V\u30ec\u30d9\u30eb\u306b\u77ac\u6642\u306b\u30af\u30e9\u30f3\u30d7\u3057\u307e\u3059\u3002.<\/figcaption><\/figure>\n<h3>\u4fdd\u8b77\u30b7\u30fc\u30b1\u30f3\u30b9<\/h3>\n<ol>\n<li><strong>\u901a\u5e38\u64cd\u4f5c:<\/strong> \u30e9\u30a4\u30f3\u96fb\u5727\u306f120V AC\u3067\u3059\u3002SPD\u306f\u975e\u5e38\u306b\u9ad8\u3044\u62b5\u6297\u3092\u793a\u3057\u3001\u30de\u30a4\u30af\u30ed\u30a2\u30f3\u30da\u30a2\u5358\u4f4d\u306e\u30ea\u30fc\u30af\u96fb\u6d41\u306e\u307f\u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002\u6a5f\u5668\u306f\u30af\u30ea\u30fc\u30f3\u306a\u96fb\u529b\u3092\u53d7\u4fe1\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>\u30b5\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\u306e\u958b\u59cb\uff1a<\/strong> \u96f7\u6483\u307e\u305f\u306f\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u64cd\u4f5c\u306b\u3088\u308a\u3001\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u304c\u6ce8\u5165\u3055\u308c\u307e\u3059\u3002\u96fb\u5727\u306f\u30de\u30a4\u30af\u30ed\u79d2\u4ee5\u5185\u306b120V\u304b\u30891,000V\u4ee5\u4e0a\u306b\u6025\u901f\u306b\u4e0a\u6607\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>SPD\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u5316\uff1a<\/strong> \u96fb\u5727\u304c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30d6\u30ec\u30fc\u30af\u30c0\u30a6\u30f3\u95be\u5024\u3092\u8d85\u3048\u308b\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u96fb\u6c17\u7684\u7279\u6027\u304c\u5287\u7684\u306b\u5909\u5316\u3057\u307e\u3059\u3002MOV\u306a\u3069\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30ca\u30ce\u79d2\u5358\u4f4d\u3067\u62b5\u6297\u3092\u6570\u6841\u4e0b\u3052\u307e\u3059\u3002.<\/li>\n<li><strong>\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u8ee2\u63db\uff1a<\/strong> \u4f4e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u72b6\u614b\u306b\u306a\u3063\u305fSPD\u306f\u3001\u63a5\u5730\u3078\u306e\u30d1\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u30b5\u30fc\u30b8\u96fb\u6d41\u306f\u3001\u6a5f\u5668\u3067\u306f\u306a\u304fSPD\u3092\u6d41\u308c\u307e\u3059\u3002\u96fb\u5727\u306f\u5b89\u5168\u306a\u30ec\u30d9\u30eb\uff08\u4f8b\uff1a330V\uff09\u306b\u30af\u30e9\u30f3\u30d7\u3055\u308c\u307e\u3059\u3002.<\/li>\n<li><strong>\u30ea\u30bb\u30c3\u30c8\uff1a<\/strong> \u30b5\u30fc\u30b8\u6ce2\u5f62\u304c\u6e1b\u8870\u3059\u308b\u3068\u3001\u96fb\u5727\u306f\u901a\u5e38\u306e\u96fb\u5727\u306b\u623b\u308a\u307e\u3059\u3002SPD\u306f\u81ea\u52d5\u7684\u306b\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u72b6\u614b\u306b\u623b\u308a\u3001\u6b21\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u5099\u3048\u307e\u3059\u3002.<\/li>\n<\/ol>\n<h2>SPD\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\uff1aMOV\u3001GDT\u3001\u304a\u3088\u3073TVS\u306e\u6bd4\u8f03<\/h2>\n<p>\u30b5\u30fc\u30b8\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306f\u30013\u3064\u306e\u30b3\u30a2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u7570\u306a\u308b\u52d5\u4f5c\u539f\u7406\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7279\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Comparison-chart-of-surge-protection-device-technologies-MOV-metal-oxide-varistor-GDT-gas-discharge-tube-and-TVS-diode-specifications-and-applications.webp\" alt=\"Comparison chart of MOV, GDT, and TVS Diode technologies\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 8px; font-size: 0.9em;\">\u56f33\uff1a\u30b5\u30fc\u30b8\u4fdd\u8b77\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\uff08MOV\u3001GDT\u3001TVS\uff09\u306e\u5305\u62ec\u7684\u306a\u6bd4\u8f03\u3002\u5fdc\u7b54\u6642\u9593\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u5b9a\u683c\u3001\u304a\u3088\u3073\u7406\u60f3\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8a73\u7d30\u306b\u793a\u3057\u3066\u3044\u307e\u3059\u3002.<\/figcaption><\/figure>\n<h3>\u91d1\u5c5e\u9178\u5316\u7269\u30d0\u30ea\u30b9\u30bf\uff08MOV\uff09<\/h3>\n<p><strong>\u52d5\u4f5c\u539f\u7406\uff1a<\/strong> \u713c\u7d50\u9178\u5316\u4e9c\u925b\u7c92\u5b50\u304b\u3089\u4f5c\u3089\u308c\u305f\u96fb\u5727\u4f9d\u5b58\u62b5\u6297\u5668\u3002\u5404\u7c92\u5b50\u5883\u754c\u306f\u3001\u5fae\u8996\u7684\u306a\u30c0\u30a4\u30aa\u30fc\u30c9\u63a5\u5408\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002\u4f4e\u96fb\u5727\u3067\u306f\u7d76\u7e01\u4f53\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u5b9a\u683c\u96fb\u5727\u3092\u8d85\u3048\u308b\u3068\u3001\u63a5\u5408\u304c\u7834\u58ca\u3055\u308c\u3001\u62b5\u6297\u304c\u30df\u30ea\u30aa\u30fc\u30e0\u306b\u4f4e\u4e0b\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7279\u6027\uff1a<\/strong> \u9ad8\u901f\u5fdc\u7b54\uff08\u30ca\u30ce\u79d2\uff09\u3001\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u5bb9\u91cf\uff08\u30ad\u30ed\u30b8\u30e5\u30fc\u30eb\uff09\u3001\u304a\u3088\u3073\u4e2d\u7a0b\u5ea6\u306e\u30af\u30e9\u30f3\u30d7\u96fb\u5727\u3002MOV\u306f\u3001\u5404\u30b5\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\u3067\u7d2f\u7a4d\u7684\u306b\u52a3\u5316\u3059\u308b\u305f\u3081\u3001\u71b1\u30d2\u30e5\u30fc\u30ba\u3068\u7d44\u307f\u5408\u308f\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> \u30b5\u30fc\u30b8\u4fdd\u8b77\u306e\u4e3b\u529b\u3002\u96fb\u6e90\u30bf\u30c3\u30d7\u3001\u5bb6\u5168\u4f53\u306eSPD\u3001\u304a\u3088\u3073\u7523\u696d\u7528\u30d1\u30cd\u30eb\u306b\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001 <a href=\"https:\/\/test.viox.com\/ja\/surge-protective-device-lifespan-mov-aging-guide\/\">MOV\u306e\u7d4c\u5e74\u52a3\u5316\u3068\u5bff\u547d\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/a>.<\/p>\n<h3>\u30ac\u30b9\u653e\u96fb\u7ba1\uff08GDT\uff09<\/h3>\n<p><strong>\u52d5\u4f5c\u539f\u7406\uff1a<\/strong> \u4e0d\u6d3b\u6027\u30ac\u30b9\u3067\u6e80\u305f\u3055\u308c\u305f\u5bc6\u9589\u30c1\u30e5\u30fc\u30d6\u3002\u901a\u5e38\u306e\u96fb\u5727\u3067\u306f\u3001\u7d76\u7e01\u4f53\u3067\u3059\u3002\u96fb\u5727\u304c\u30b9\u30d1\u30fc\u30af\u30aa\u30fc\u30d0\u30fc\u95be\u5024\u3092\u8d85\u3048\u308b\u3068\u3001\u30ac\u30b9\u304c\u30a4\u30aa\u30f3\u5316\u3057\u3066\u5c0e\u96fb\u6027\u30d7\u30e9\u30ba\u30de\u30a2\u30fc\u30af\u306b\u306a\u308a\u3001\u5927\u91cf\u306e\u96fb\u6d41\u3092\u51e6\u7406\u3059\u308b\u77ed\u7d61\uff08\u30af\u30ed\u30fc\u30d0\u30fc\u30a2\u30af\u30b7\u30e7\u30f3\uff09\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7279\u6027\uff1a<\/strong> \u5fdc\u7b54\u306f\u9045\u3044\uff08\u30de\u30a4\u30af\u30ed\u79d2\uff09\u3067\u3059\u304c\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u5bb9\u91cf\u306f\u975e\u5e38\u306b\u9ad8\u3044\uff08\u6570\u4e07\u30ad\u30ed\u30a2\u30f3\u30da\u30a2\uff09\u3002\u512a\u308c\u305f\u5bff\u547d\u3067\u3059\u304c\u3001\u6d88\u5f27\u3059\u308b\u306b\u306f\u300c\u30d5\u30a9\u30ed\u30fc\u96fb\u6d41\u300d\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<p><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> \u30b5\u30fc\u30d3\u30b9\u30a8\u30f3\u30c8\u30e9\u30f3\u30b9\u304a\u3088\u3073\u30c6\u30ec\u30b3\u30e0\/\u30c7\u30fc\u30bf\u30b3\u30e0\u306e\u4e00\u6b21\u4fdd\u8b77\u3002.<\/p>\n<h3>\u904e\u6e21\u96fb\u5727\u30b5\u30d7\u30ec\u30c3\u30b5(tvs)\u30c0\u30a4\u30aa\u30fc\u30c9<\/h3>\n<p><strong>\u52d5\u4f5c\u539f\u7406\uff1a<\/strong> \u30b7\u30ea\u30b3\u30f3\u30a2\u30d0\u30e9\u30f3\u30b7\u30a7\u30c0\u30a4\u30aa\u30fc\u30c9\u3002\u9006\u30d0\u30a4\u30a2\u30b9\u3067\u52d5\u4f5c\u3057\u3001\u96fb\u5727\u304c\u5236\u9650\u3092\u8d85\u3048\u308b\u3068\u30a2\u30d0\u30e9\u30f3\u30b7\u30a7\u964d\u4f0f\u306b\u5165\u308a\u3001\u96fb\u5727\u3092\u6b63\u78ba\u306b\u30af\u30e9\u30f3\u30d7\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7279\u6027\uff1a<\/strong> \u6700\u901f\u306e\u5fdc\u7b54\uff08\u30d4\u30b3\u79d2\uff09\u3001\u975e\u5e38\u306b\u6b63\u78ba\u306a\u30af\u30e9\u30f3\u30d7\u3067\u3059\u304c\u3001MOV\u307e\u305f\u306fGDT\u3068\u6bd4\u8f03\u3057\u3066\u30a8\u30cd\u30eb\u30ae\u30fc\u5bb9\u91cf\u306f\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> \u654f\u611f\u306a\u96fb\u5b50\u6a5f\u5668\u3001\u30c7\u30fc\u30bf\u30e9\u30a4\u30f3\u3001\u304a\u3088\u3073\u4f4e\u96fb\u5727DC\u56de\u8def\u306e\u4fdd\u8b77\u3002.<\/p>\n<h3>\u6280\u8853\u6bd4\u8f03\u8868<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px; border-color: #ddd;\" border=\"1\">\n<thead style=\"background-color: #f2f2f2;\">\n<tr>\n<th style=\"padding: 10px; text-align: left;\">\u30c6\u30af\u30ce\u30ed\u30b8\u30fc<\/th>\n<th style=\"padding: 10px; text-align: left;\">\u5fdc\u7b54\u6642\u9593<\/th>\n<th style=\"padding: 10px; text-align: left;\">\u30a8\u30cd\u30eb\u30ae\u30fc\u5bb9\u91cf<\/th>\n<th style=\"padding: 10px; text-align: left;\">\u30af\u30e9\u30f3\u30d7\u7cbe\u5bc6<\/th>\n<th style=\"padding: 10px; text-align: left;\">\u5178\u578b\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px;\"><strong>MOV<\/strong><\/td>\n<td style=\"padding: 10px;\">\u30ca\u30ce\u79d2<\/td>\n<td style=\"padding: 10px;\">\u9ad8\u7b49(\u96c6\u5408)<\/td>\n<td style=\"padding: 10px;\">\u4e2d\u7a0b\u5ea6<\/td>\n<td style=\"padding: 10px;\">\u4e00\u822c\u7684\u306aac \/ dc\u30b5\u30fc\u30b8\u4fdd\u8b77<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>GDT<\/strong><\/td>\n<td style=\"padding: 10px;\">\u30de\u30a4\u30af\u30ed\u79d2<\/td>\n<td style=\"padding: 10px;\">\u8d85\u9ad8(kj)<\/td>\n<td style=\"padding: 10px;\">\u521d\u56de\u9650\u5b9a\u76e4\u3001\u521d\u56de\u9650\u5b9a\u76e4<\/td>\n<td style=\"padding: 10px;\">\u30e1\u30a4\u30f3\u30ad\u30e3\u30b9\u30bf\u30fc\u3001\u30e1\u30a4\u30f3\u30ad\u30e3\u30b9\u30bf\u30fc<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>TVS\u30c0\u30a4\u30aa\u30fc\u30c9<\/strong><\/td>\n<td style=\"padding: 10px;\">\u8a2d\u7f6e<\/td>\n<td style=\"padding: 10px;\">Low-Medium (J)<\/td>\n<td style=\"padding: 10px;\">\u975e\u5e38\u306b\u9ad8\u3044<\/td>\n<td style=\"padding: 10px;\">\u30c7\u30fc\u30bf\u7ddadc\u56de\u8def<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8a73\u7d30\u306a\u6bd4\u8f03\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ac\u30a4\u30c9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/test.viox.com\/ja\/mov-vs-gdt-vs-tvs-comparison\/\">MOV vs GDT vs TVS\u30c6\u30af\u30ce\u30ed\u30b8\u30fc<\/a>.<\/p>\n<h2>SPD\u306e\u5206\u985e\uff1a\u30bf\u30a4\u30d71\u30012\u3001\u304a\u3088\u30733<\/h2>\n<p>IEC 61643-11\uff08AC\u30b7\u30b9\u30c6\u30e0\uff09\u3001IEC 61643-31\uff08DC\/PV\u30b7\u30b9\u30c6\u30e0\uff09\u3001\u304a\u3088\u3073UL 1449\uff08\u5317\u7c73\uff09\u306a\u3069\u306e\u56fd\u969b\u898f\u683c\u306f\u3001\u30c6\u30b9\u30c8\u6ce2\u5f62\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u5bb9\u91cf\u3001\u304a\u3088\u3073\u8a2d\u7f6e\u5834\u6240\u306b\u57fa\u3065\u3044\u3066\u3001\u7570\u306a\u308bSPD\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h3>\u30bf\u30a4\u30d71 SPD\uff08\u30af\u30e9\u30b9I\uff09<\/h3>\n<p><strong>\u8a2d\u7f6e\u5834\u6240\uff1a<\/strong> \u30b5\u30fc\u30d3\u30b9\u5165\u53e3\uff08\u30e1\u30fc\u30bf\u30fc\u3068\u30e1\u30a4\u30f3\u30d1\u30cd\u30eb\u306e\u9593\uff09<br \/>\n<strong>\u4fdd\u8b77\u30ec\u30d9\u30eb\uff1a<\/strong> \u76f4\u6483\u96f7\u306b\u5bfe\u3059\u308b\u4e00\u6b21\u4fdd\u8b77<br \/>\n<strong>\u30c6\u30b9\u30c8\u6ce2\u5f62\uff1a<\/strong> 10\/350\u03bcs\u96fb\u6d41\u30a4\u30f3\u30d1\u30eb\u30b9<br \/>\n<strong>\u30b5\u30fc\u30b8\u5b9a\u683c\uff1a<\/strong> \u901a\u5e3850\u301c160 kA<br \/>\n<strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> \u4e3b\u96fb\u6c17\u30d1\u30cd\u30eb\u3001\u5c4b\u5916\u8a2d\u7f6e\u3001\u91cd\u8981\u306a\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3<\/p>\n<h3>\u30bf\u30a4\u30d72 SPD\uff08\u30af\u30e9\u30b9II\uff09<\/h3>\n<p><strong>\u8a2d\u7f6e\u5834\u6240\uff1a<\/strong> \u30e1\u30a4\u30f3\u96fb\u6c17\u30d1\u30cd\u30eb\u3001\u30b5\u30d6\u30d1\u30cd\u30eb<br \/>\n<strong>\u4fdd\u8b77\u30ec\u30d9\u30eb\uff1a<\/strong> \u4f1d\u5c0e\u30b5\u30fc\u30b8\u306b\u5bfe\u3059\u308b\u4e8c\u6b21\u4fdd\u8b77<br \/>\n<strong>\u30c6\u30b9\u30c8\u6ce2\u5f62\uff1a<\/strong> 8\/20\u03bcs\u96fb\u6d41\u30a4\u30f3\u30d1\u30eb\u30b9<br \/>\n<strong>\u30b5\u30fc\u30b8\u5b9a\u683c\uff1a<\/strong> \u901a\u5e3820\u301c80 kA<br \/>\n<strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> \u914d\u96fb\u76e4\u3001\u5206\u5c90\u56de\u8def\u3001\u307b\u3068\u3093\u3069\u306e\u4f4f\u5b85\u304a\u3088\u3073\u5546\u696d\u65bd\u8a2d<\/p>\n<h3>\u30bf\u30a4\u30d73 SPD\uff08\u30af\u30e9\u30b9III\uff09<\/h3>\n<p><strong>\u8a2d\u7f6e\u5834\u6240\uff1a<\/strong> \u4f7f\u7528\u5834\u6240\u3001\u500b\u3005\u306e\u30b3\u30f3\u30bb\u30f3\u30c8<br \/>\n<strong>\u4fdd\u8b77\u30ec\u30d9\u30eb\uff1a<\/strong> \u654f\u611f\u306a\u6a5f\u5668\u306e\u6700\u7d42\u7684\u306a\u4fdd\u8b77<br \/>\n<strong>\u30c6\u30b9\u30c8\u6ce2\u5f62\uff1a<\/strong> \u8907\u5408\u6ce2\uff081.2\/50\u03bcs\u96fb\u5727\u30018\/20\u03bcs\u96fb\u6d41\uff09<br \/>\n<strong>\u30b5\u30fc\u30b8\u5b9a\u683c\uff1a<\/strong> \u901a\u5e381\u301c15 kA<br \/>\n<strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> \u96fb\u5b50\u6a5f\u5668\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3001\u5bb6\u96fb\u88fd\u54c1\u3001\u30db\u30fc\u30e0\u30a8\u30f3\u30bf\u30fc\u30c6\u30a4\u30e1\u30f3\u30c8\u30b7\u30b9\u30c6\u30e0<\/p>\n<h3>SPD\u7a2e\u5225\u9078\u629e\u8868<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px; border-color: #ddd;\" border=\"1\">\n<thead style=\"background-color: #f2f2f2;\">\n<tr>\n<th style=\"padding: 10px; text-align: left;\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7a2e\u985e<\/th>\n<th style=\"padding: 10px; text-align: left;\">\u63a8\u5968SPD\u30bf\u30a4\u30d7<\/th>\n<th style=\"padding: 10px; text-align: left;\">\u6700\u5c0f\u30b5\u30fc\u30b8\u5b9a\u683c<\/th>\n<th style=\"padding: 10px; text-align: left;\">\u5fc5\u8981\u306a\u4e3b\u306a\u6a5f\u80fd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u4f4f\u5b85\u30e1\u30a4\u30f3\u30d1\u30cd\u30eb<\/strong><\/td>\n<td style=\"padding: 10px;\">\u30bf\u30a4\u30d72\u3001MOV\u30c6\u30af\u30ce\u30ed\u30b8\u30fc<\/td>\n<td style=\"padding: 10px;\">\u30e2\u30fc\u30c9\u3042\u305f\u308a40 kA<\/td>\n<td style=\"padding: 10px;\">UL 1449 \u30ea\u30b9\u30c8\u3001\u8996\u899a\u8868\u793a<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u5546\u696d\u6d41\u901a<\/strong><\/td>\n<td style=\"padding: 10px;\">\u30bf\u30a4\u30d72\u3001MOV\u307e\u305f\u306f\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9<\/td>\n<td style=\"padding: 10px;\">\u30e2\u30fc\u30c9\u3042\u305f\u308a80\uff5e160 kA<\/td>\n<td style=\"padding: 10px;\">\u30ea\u30e2\u30fc\u30c8\u76e3\u8996\u3001\u4ea4\u63db\u53ef\u80fd\u306a\u30e2\u30b8\u30e5\u30fc\u30eb<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u7523\u696d\u7528\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30ed\u30fc\u30c9<\/strong><\/td>\n<td style=\"padding: 10px;\">\u30bf\u30a4\u30d71 + \u30bf\u30a4\u30d72\u306e\u5354\u8abf<\/td>\n<td style=\"padding: 10px;\">\u30e2\u30fc\u30c9\u3042\u305f\u308a100kA\u4ee5\u4e0a<\/td>\n<td style=\"padding: 10px;\">\u30d5\u30a7\u30a4\u30eb\u30bb\u30fc\u30d5\u8a2d\u8a08\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u4fdd\u8b77<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u30dd\u30a4\u30f3\u30c8\u30aa\u30d6\u30e6\u30fc\u30b9\u30a8\u30ec\u30af\u30c8\u30ed\u30cb\u30af\u30b9<\/strong><\/td>\n<td style=\"padding: 10px;\">\u30bf\u30a4\u30d73\u3001SAD\u307e\u305f\u306fMOV<\/td>\n<td style=\"padding: 10px;\">1\uff5e6kA<\/td>\n<td style=\"padding: 10px;\">\u4f4e\u3044\u30af\u30e9\u30f3\u30d7\u96fb\u5727\u3001EMI\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7406\u89e3 <a href=\"https:\/\/test.viox.com\/ja\/where-to-install-spds-electrical-panel-guide\/\">SPD\u306e\u8a2d\u7f6e\u5834\u6240<\/a> \u52b9\u679c\u7684\u306a\u4fdd\u8b77\u306e\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<h2>\u91cd\u8981\u306aSPD\u4ed5\u69d8\u306e\u8aac\u660e<\/h2>\n<h3>\u30b8\u30e5\u30fc\u30eb\u5b9a\u683c(\u30a8\u30cd\u30eb\u30ae\u30fc\u5438\u53ce)<\/h3>\n<p>\u30c7\u30d0\u30a4\u30b9\u304c\u6545\u969c\u3059\u308b\u307e\u3067\u306b\u5438\u53ce\u3067\u304d\u308b\u7dcf\u30a8\u30cd\u30eb\u30ae\u30fc\u91cf\u3092\u793a\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u3001\u5b9a\u683c\u304c\u9ad8\u3044\u307b\u3069\u8010\u7528\u5e74\u6570\u304c\u9577\u304f\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001, <a href=\"https:\/\/test.viox.com\/ja\/surge-protector-joules-rating-guide\/\">\u30b8\u30e5\u30fc\u30eb\u3060\u3051\u3067\u306f\u30af\u30e9\u30f3\u30d7\u6027\u80fd\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u3002<\/a>\u30c7\u30d0\u30a4\u30b9\u306f\u30b8\u30e5\u30fc\u30eb\u5b9a\u683c\u304c\u9ad8\u304f\u3066\u3082\u3001\u96fb\u5727\u30af\u30e9\u30f3\u30d7\u6027\u80fd\u304c\u4f4e\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>\u30af\u30e9\u30f3\u30d7\u96fb\u5727\uff08VPR \u2013 \u96fb\u5727\u4fdd\u8b77\u5b9a\u683c\uff09<\/h3>\n<p>SPD\u304c\u6a5f\u5668\u306b\u901a\u904e\u3055\u305b\u308b\u6700\u5927\u96fb\u5727\u3002120V\u56de\u8def\u306e\u5834\u5408\u3001330V\u3001400V\u3001\u307e\u305f\u306f500V\u306eUL 1449 VPR\u5b9a\u683c\u3092\u63a2\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u654f\u611f\u306a\u96fb\u5b50\u6a5f\u5668\u306b\u306f\u3001\u4f4e\u3044\u65b9\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6a5f\u5668\u4fdd\u8b77\u306b\u3068\u3063\u3066\u6700\u3082\u91cd\u8981\u306a\u4ed5\u69d8\u3067\u3059\u3002.<\/p>\n<h3>\u6700\u5927\u9023\u7d9a\u52d5\u4f5c\u96fb\u5727\uff08MCOV\uff09<\/h3>\n<p>SPD\u304c\u4f5c\u52d5\u305b\u305a\u306b\u9023\u7d9a\u3057\u3066\u8010\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u6700\u9ad8\u96fb\u5727\u3002\u9069\u5207\u306a <a href=\"https:\/\/test.viox.com\/ja\/mcov-spd-maximum-continuous-operating-voltage-guide\/\">MCOV\u306e\u9078\u629e<\/a> \u30c7\u30d0\u30a4\u30b9\u304c\u901a\u5e38\u306e\u96fb\u5727\u5909\u52d5\u4e2d\u306b\u8aa4\u3063\u3066\u30c8\u30ea\u30c3\u30d7\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u5fdc\u7b54\u6642\u9593<\/h3>\n<p>\u30c7\u30d0\u30a4\u30b9\u304c\u96fb\u5727\u30b9\u30d1\u30a4\u30af\u306b\u53cd\u5fdc\u3059\u308b\u901f\u3055\u3002\u591a\u304f\u306e\u5834\u5408\u5ba3\u4f1d\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u6a19\u6e96\u7684\u306aMOV\uff08\u30ca\u30ce\u79d2\uff09\u306f\u3001\u307b\u3068\u3093\u3069\u3059\u3079\u3066\u306e\u96fb\u529b\u7dda\u30b5\u30fc\u30b8\u306b\u5bfe\u3057\u3066\u5341\u5206\u306b\u9ad8\u901f\u3067\u3059\u3002\u30c7\u30fc\u30bf\u30e9\u30a4\u30f3\u306b\u306fTVS\u30c0\u30a4\u30aa\u30fc\u30c9\uff08\u30d4\u30b3\u79d2\uff09\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<h3><a href=\"https:\/\/test.viox.com\/ja\/what-is-sccr\/\">\u77ed\u7d61\u96fb\u6d41\u5b9a\u683c\uff08SCCR\uff09<\/a><\/h3>\n<p>SPD\u304c\u706b\u707d\u306e\u5371\u967a\u3092\u751f\u3058\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u5b89\u5168\u306b\u8010\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u6700\u5927\u6545\u969c\u96fb\u6d41\u3002\u4e0a\u6d41\u306e\u904e\u96fb\u6d41\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3068\u9023\u643a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2>\u696d\u754c\u5225\u306eSPD\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2>\n<figure style=\"margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/VIOX-whole-house-surge-protection-device-installed-in-residential-electrical-panel-with-green-status-indicator-showing-active-protection.webp\" alt=\"VIOX whole house surge protector installed in electrical panel\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 8px; font-size: 0.9em;\">\u56f34\uff1a\u4f4f\u5b85\u7528\u96fb\u6c17\u30d1\u30cd\u30eb\u5185\u306b\u8a2d\u7f6e\u3055\u308c\u305fVIOX\u5168\u4f4f\u5b85SPD\u3002\u7dd1\u8272\u306eLED\u306f\u3001\u4fdd\u8b77\u56de\u8def\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002.<\/figcaption><\/figure>\n<h3>\u4f4f\u5b85\u7528\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p><strong>\u5168\u4f4f\u5b85\u4fdd\u8b77\uff1a<\/strong> \u30e1\u30a4\u30f3\u30d1\u30cd\u30eb\u306b\u8a2d\u7f6e\u3055\u308c\u305f\u30bf\u30a4\u30d72 SPD\u306f\u3001\u5916\u90e8\u30b5\u30fc\u30b8\uff08\u96f7\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\uff09\u304b\u3089\u5efa\u7269\u5168\u4f53\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\uff0820\u301c50 kA\uff09\u3092\u51e6\u7406\u3057\u307e\u3059\u304c\u3001\u30af\u30e9\u30f3\u30d7\u96fb\u5727\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\uff08600\u301c1000V\uff09\u3002.<\/p>\n<p><strong>\u30dd\u30a4\u30f3\u30c8\u30aa\u30d6\u30e6\u30fc\u30b9\u4fdd\u8b77\uff1a<\/strong> \u30bf\u30a4\u30d73\u306e\u96fb\u6e90\u30bf\u30c3\u30d7\u3068\u30d7\u30e9\u30b0\u30a4\u30f3\u30e6\u30cb\u30c3\u30c8\u306f\u3001\u7279\u5b9a\u306e\u654f\u611f\u306a\u30c7\u30d0\u30a4\u30b9\u3092\u6b8b\u7559\u96fb\u5727\u3068\u5185\u90e8\u30b5\u30fc\u30b8\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002\u3088\u308a\u53b3\u5bc6\u306a\u30af\u30e9\u30f3\u30d7\uff08330\u301c400V\uff09\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u5bb9\u91cf\u306f\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u968e\u5c64\u5316\u3055\u308c\u305f\u4fdd\u8b77\u6226\u7565\uff1a<\/strong> \u6700\u826f\u306e\u65b9\u6cd5\u306f\u3001\u4e21\u65b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u5168\u4f4f\u5b85\u30e6\u30cb\u30c3\u30c8\u306f\u30d0\u30eb\u30af\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5438\u53ce\u3057\u3001\u30dd\u30a4\u30f3\u30c8\u30aa\u30d6\u30e6\u30fc\u30b9\u30e6\u30cb\u30c3\u30c8\u306f\u654f\u611f\u306a\u96fb\u5b50\u6a5f\u5668\u306e\u6b8b\u7559\u96fb\u5727\u3092\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u4ee5\u4e0b\u306b\u4f9d\u5b58\u3059\u308b\u3088\u308a\u3082\u52b9\u679c\u7684\u3067\u3059\u3002 <a href=\"https:\/\/test.viox.com\/ja\/grounding-vs-gfci-vs-surge-protection\/\">\u30b5\u30fc\u30b8\u4fdd\u8b77\u5bfeGFCI\u307e\u305f\u306f\u63a5\u5730\u306e\u307f<\/a>.<\/p>\n<h3>\u5546\u696d\u7528\u304a\u3088\u3073\u5de5\u696d\u7528\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p><strong>\u91cd\u8981\u306a\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u4fdd\u8b77\uff1a<\/strong><\/p>\n<ul>\n<li>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\uff1a\u30b5\u30fc\u30d0\u30fc\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3001\u304a\u3088\u3073\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\u3092\u4fdd\u8b77\u3059\u308b\u8907\u6570\u306e\u9023\u643aSPD\u30b9\u30c6\u30fc\u30b8<\/li>\n<li>\u88fd\u9020\u65bd\u8a2d\uff1aPLC\u3001\u30e2\u30fc\u30bf\u30fc\u30c9\u30e9\u30a4\u30d6\u3001\u30ed\u30dc\u30c3\u30c8\u5de5\u5b66\u3001\u304a\u3088\u3073\u30d7\u30ed\u30bb\u30b9\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306e\u4fdd\u8b77<\/li>\n<li>\u30d8\u30eb\u30b9\u30b1\u30a2\u65bd\u8a2d\uff1a\u533b\u7642\u7528\u753b\u50cf\u6a5f\u5668\u3001\u60a3\u8005\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3001\u304a\u3088\u3073\u751f\u547d\u7dad\u6301\u88c5\u7f6e<\/li>\n<li>\u96fb\u6c17\u901a\u4fe1\uff1a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u6a5f\u5668\u3001\u57fa\u5730\u5c40\u3001\u304a\u3088\u3073\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u7aef\u672b\u6a5f\u5668\u306e\u4fdd\u8b77<\/li>\n<\/ul>\n<p><strong>\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\uff1a<\/strong> \u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3001\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u3001\u304a\u3088\u3073AC\u914d\u96fb\u7528\u306e\u7279\u6b8a\u306aDC\u5b9a\u683cSPD\u3002\u592a\u967d\u5149\u767a\u96fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u95a2\u3059\u308bIEC 61643-31\u898f\u683c\u306b\u6e96\u62e0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2>\u8a2d\u7f6e\u8981\u4ef6\u3068\u30b3\u30fc\u30c9\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9<\/h2>\n<h3>\u56fd\u7acb\u96fb\u6c17\u30b3\u30fc\u30c9\uff08NEC\uff09\u306e\u8981\u4ef6<\/h3>\n<p><strong>\u7b2c285\u6761 \u2013 \u30b5\u30fc\u30b8\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\uff08SPD\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>SPD\u306f\u3001\u610f\u56f3\u3055\u308c\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08UL 1449\uff09\u306b\u5bfe\u3057\u3066\u30ea\u30b9\u30c8\u3055\u308c\u3001\u30e9\u30d9\u30eb\u4ed8\u3051\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u8a2d\u7f6e\u306f\u3001\u88fd\u9020\u5143\u306e\u6307\u793a\u306b\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>SPD\u306b\u306f\u3001\u9069\u5207\u306a\u904e\u96fb\u6d41\u4fdd\u8b77\u9023\u643a\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<li>\u63a5\u5730\u5c0e\u4f53\u306e\u9577\u3055\u306f\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff08\u7406\u60f3\u7684\u306b\u306f12\u30a4\u30f3\u30c1\u672a\u6e80\uff09\u3002<\/li>\n<li>\u30bf\u30a4\u30d71 SPD\u306b\u306f\u3001\u8cc7\u683c\u306e\u3042\u308b\u4eba\u304c\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u5207\u65ad\u624b\u6bb5\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u4e00\u822c\u7684\u306a\u56de\u907f <a href=\"https:\/\/test.viox.com\/ja\/spd-installation-mistakes-fix-guide\/\">SPD\u306e\u8a2d\u7f6e\u30df\u30b9<\/a> \u52b9\u679c\u7684\u306a\u4fdd\u8b77\u306e\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n<h3>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n<ol>\n<li><strong>\u9069\u5207\u306a\u63a5\u5730:<\/strong> \u6700\u5c0f\u9650\u306e\u66f2\u3052\u3067\u53ef\u80fd\u306a\u9650\u308a\u77ed\u3044\u63a5\u5730\u30d1\u30b9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u63a5\u5730\u7dda\u306e\u9577\u3055\u306f\u3001\u4fdd\u8b77\u52b9\u679c\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>SPD\u30bf\u30a4\u30d7\u9593\u306e\u9023\u643a\uff1a<\/strong> \u8907\u6570\u306e\u4fdd\u8b77\u30b9\u30c6\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u30011\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u5727\u5012\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3001\u9069\u5207\u306a\u9023\u643a\u3092\u78ba\u4fdd\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li><strong>\u76e3\u8996\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\uff1a<\/strong> \u8996\u899a\u7684\u306a\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u307e\u305f\u306f\u30ea\u30e2\u30fc\u30c8\u76e3\u8996\u6a5f\u80fd\u3092\u5099\u3048\u305fSPD\u3092\u8a2d\u7f6e\u3057\u307e\u3059\u3002\u5b9a\u671f\u7684\u306a\u691c\u67fb\u306b\u3088\u308a\u3001\u7d99\u7d9a\u7684\u306a\u4fdd\u8b77\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002.<\/li>\n<\/ol>\n<p>\u26a0\ufe0f <strong>\u5b89\u5168\u8b66\u544a:<\/strong> SPD\u306e\u8a2d\u7f6e\u306f\u3001\u8cc7\u683c\u306e\u3042\u308b\u96fb\u6c17\u6280\u5e2b\u304c\u884c\u3044\u3001\u5730\u65b9\u81ea\u6cbb\u4f53\u304c\u691c\u67fb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u6c17\u30b5\u30fc\u30d3\u30b9\u6a5f\u5668\u306e\u53d6\u308a\u6271\u3044\u306b\u306f\u3001\u6df1\u523b\u306a\u611f\u96fb\u304a\u3088\u3073\u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u5371\u967a\u304c\u4f34\u3044\u307e\u3059\u3002.<\/p>\n<h2>\u30b5\u30fc\u30b8\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306e\u4ea4\u63db\u6642\u671f<\/h2>\n<h3>\u8996\u899a\u7684\u306a\u30b9\u30c6\u30fc\u30bf\u30b9\u76e3\u8996<\/h3>\n<p>\u6700\u65b0\u306e\u9ad8\u54c1\u8ceaSPD\u306b\u306f\u3001\u52d5\u4f5c\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u793a\u3059\u8996\u899a\u7684\u306a\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u7dd1\u8272\u306eLED\uff1a<\/strong> \u30c7\u30d0\u30a4\u30b9\u306f\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u304a\u308a\u3001\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u8d64\u8272\u306eLED\u307e\u305f\u306f\u30aa\u30d5\uff1a<\/strong> MOV\u304c\u7834\u640d\u3057\u3066\u304a\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u3059\u3050\u306b\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u70b9\u6ec5\uff1a<\/strong> \u4e00\u90e8\u306e\u30e2\u30c7\u30eb\u306f\u3001\u52a3\u5316\u3057\u3066\u3044\u308b\u304c\u307e\u3060\u6a5f\u80fd\u3057\u3066\u3044\u308b\u72b6\u614b\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u4ea4\u63db\u7528\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc<\/h3>\n<ol>\n<li><strong>\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u304c\u6545\u969c\u3092\u793a\u3057\u3066\u3044\u308b\uff1a<\/strong> \u300c\u4fdd\u8b77\u300dLED\u304c\u30aa\u30d5\u307e\u305f\u306f\u8d64\u8272\u306e\u5834\u5408\u306f\u3001\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u7834\u640d\u3057\u3066\u3044\u307e\u3059\u3002\u3059\u3050\u306b\u4ea4\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li><strong>\u5927\u898f\u6a21\u306a\u30b5\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\u306e\u5f8c\uff1a<\/strong> \u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u304c\u7dd1\u8272\u306e\u307e\u307e\u3067\u3042\u3063\u3066\u3082\u3001\u5927\u898f\u6a21\u306a\u30a4\u30d9\u30f3\u30c8\uff08\u8fd1\u304f\u306e\u843d\u96f7\u306a\u3069\uff09\u306f\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u7834\u640d\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li><strong>\u6642\u9593\u30d9\u30fc\u30b9\u306e\u4ea4\u63db\uff1a<\/strong> \u96f7\u304c\u591a\u3044\u5730\u57df\u307e\u305f\u306f\u5185\u90e8\u30b5\u30fc\u30b8\u304c\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u7523\u696d\u74b0\u5883\u3067\u306f\u3001\u4e88\u9632\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u3057\u30663\u301c5\u5e74\u3054\u3068\u306bSPD\u3092\u4ea4\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li><strong>\u7269\u7406\u7684\u306a\u640d\u50b7\uff1a<\/strong> \u904e\u71b1\u3001\u5909\u8272\u3001\u7126\u3052\u81ed\u3044\u3001\u307e\u305f\u306f\u7269\u7406\u7684\u306a\u5909\u5f62\u306e\u5146\u5019\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u3059\u3050\u306b\u4ea4\u63db\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/li>\n<\/ol>\n<h3>SPD\u306e\u5bff\u547d\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px; border-color: #ddd;\" border=\"1\">\n<thead style=\"background-color: #f2f2f2;\">\n<tr>\n<th style=\"padding: 10px; text-align: left;\">SPD\u30bf\u30a4\u30d7<\/th>\n<th style=\"padding: 10px; text-align: left;\">\u4e88\u60f3\u3055\u308c\u308b\u8010\u7528\u5e74\u6570<\/th>\n<th style=\"padding: 10px; text-align: left;\">\u4ea4\u63db\u30c8\u30ea\u30ac\u30fc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u5bb6\u5168\u4f53\u7528Type 2<\/strong><\/td>\n<td style=\"padding: 10px;\">5\u5e74\u300110\u5e74<\/td>\n<td style=\"padding: 10px;\">\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u6545\u969c\u3001\u91cd\u5927\u4e8b\u8c61\u3001\u6642\u9593\u30d9\u30fc\u30b9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u500b\u5225\u6a5f\u5668\u7528Type 3<\/strong><\/td>\n<td style=\"padding: 10px;\">3\uff5e5\u5e74<\/td>\n<td style=\"padding: 10px;\">\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u6545\u969c\u3001\u7269\u7406\u7684\u640d\u50b7<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\"><strong>\u5de5\u696d\u7684\u9ad8\u66b4\u9732\u74b0\u5883<\/strong><\/td>\n<td style=\"padding: 10px;\">2\uff5e5\u5e74<\/td>\n<td style=\"padding: 10px;\">\u5b9a\u671f\u7684\u306a\u4e88\u9632\u4ea4\u63db\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8a73\u7d30\u306f\u3053\u3061\u3089 <a href=\"https:\/\/test.viox.com\/ja\/surge-protective-device-lifespan-mov-aging-guide\/\">SPD\u306e\u7d4c\u5e74\u52a3\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u4ea4\u63db\u6226\u7565<\/a>.<\/p>\n<h2>\u9069\u5207\u306aSPD\u306e\u9078\u629e\uff1a\u5c02\u9580\u5bb6\u306b\u3088\u308b\u610f\u601d\u6c7a\u5b9a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af<\/h2>\n<h3>\u5fc5\u9808\u306e\u9078\u629e\u8981\u56e0<\/h3>\n<ol>\n<li><strong>\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u3068\u69cb\u6210\uff1a<\/strong> SPD\u306e\u96fb\u5727\u5b9a\u683c\u3092\u30b7\u30b9\u30c6\u30e0\u306e\u516c\u79f0\u96fb\u5727\uff08120V\u3001208V\u3001240V\u3001277V\u3001480V\u306a\u3069\uff09\u306b\u5408\u308f\u305b\u308b<\/li>\n<li><strong>\u4e88\u60f3\u3055\u308c\u308b\u30b5\u30fc\u30b8\u74b0\u5883\uff1a<\/strong> \u96f7\u66b4\u9732\u3001\u96fb\u529b\u4f1a\u793e\u306e\u4fe1\u983c\u6027\u3001\u5185\u90e8\u8ca0\u8377\u7279\u6027<\/li>\n<li><strong>\u4fdd\u8b77\u5bfe\u8c61\u6a5f\u5668\u306e\u4fa1\u5024\uff1a<\/strong> \u9ad8\u4fa1\u306a\u6a5f\u5668\u306b\u306f\u3001\u3088\u308a\u9ad8\u30b0\u30ec\u30fc\u30c9\u306e\u4fdd\u8b77\u304c\u59a5\u5f53<\/li>\n<li><strong>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u8981\u4ef6\uff1a<\/strong> UL 1449\u307e\u305f\u306fIEC 61643-11\u8a8d\u8a3c\u3001\u4fdd\u967a\u8981\u4ef6\u3001\u5730\u57df\u306e\u898f\u5b9a\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<li><strong>\u8a2d\u7f6e\u5834\u6240\uff1a<\/strong> \u57fa\u3065\u304f\u30bf\u30a4\u30d7\u9078\u629e <a href=\"https:\/\/test.viox.com\/ja\/where-to-install-spds-electrical-panel-guide\/\">\u6700\u9069\u306aSPD\u914d\u7f6e<\/a><\/li>\n<li><strong>\u76e3\u8996\u8981\u4ef6\uff1a<\/strong> \u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u306e\u9060\u9694\u76e3\u8996\u3001\u6a19\u6e96\u7684\u306a\u8a2d\u7f6e\u5411\u3051\u306e\u8996\u899a\u7684\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc<\/li>\n<\/ol>\n<h3>\u30af\u30a4\u30c3\u30af\u9078\u629e\u30ac\u30a4\u30c9<\/h3>\n<p><strong>\u4f4f\u5b85\u7528\u4e3b\u5e79\u30d1\u30cd\u30eb\u4fdd\u8b77\u306e\u5834\u5408\uff1a<\/strong><\/p>\n<ul>\n<li>Type 2 SPD\u3001MOV\u6280\u8853<\/li>\n<li>40\uff5e80 kA\u306e\u30b5\u30fc\u30b8\u96fb\u6d41\u5b9a\u683c<\/li>\n<li>VPR 600V\u4ee5\u4e0b<\/li>\n<li>UL 1449\u898f\u683c\u6e96\u62e0<\/li>\n<li>\u8996\u899a\u7684\u306a\u30b9\u30c6\u30fc\u30bf\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc<\/li>\n<\/ul>\n<p><strong>\u696d\u52d9\u7528\u914d\u96fb\u76e4\u306e\u5834\u5408\uff1a<\/strong><\/p>\n<ul>\n<li>Type 2 SPD\u3001MOV\u307e\u305f\u306f\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u6280\u8853<\/li>\n<li>80\uff5e160 kA\u306e\u30b5\u30fc\u30b8\u96fb\u6d41\u5b9a\u683c<\/li>\n<li>\u4ea4\u63db\u53ef\u80fd\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u671b\u307e\u3057\u3044<\/li>\n<li>\u30ea\u30e2\u30fc\u30c8\u76e3\u8996\u6a5f\u80fd<\/li>\n<li>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u30b5\u30fc\u30d3\u30b9\u30a8\u30f3\u30c8\u30e9\u30f3\u30b9\u306eType 1\u3068\u9023\u643a<\/li>\n<\/ul>\n<p><strong>\u5de5\u696d\u7528\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u8ca0\u8377\u306e\u5834\u5408\uff1a<\/strong><\/p>\n<ul>\n<li>\u9023\u643a\u3055\u308c\u305fType 1 + Type 2\u4fdd\u8b77<\/li>\n<li>100+ kA\u306e\u30b5\u30fc\u30b8\u96fb\u6d41\u5b9a\u683c<\/li>\n<li>\u71b1\u906e\u65ad\u4ed8\u304d\u306e\u30d5\u30a7\u30a4\u30eb\u30bb\u30fc\u30d5\u8a2d\u8a08<\/li>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u76e3\u8996\u7d71\u5408<\/li>\n<li>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u56de\u8def\u306e\u5197\u9577\u4fdd\u8b77<\/li>\n<\/ul>\n<p>\u9593\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b <a href=\"https:\/\/test.viox.com\/ja\/tvss-vs-spd-ul-1449-standards-guide\/\">UL 1449\u898f\u683c\u306b\u57fa\u3065\u304fTVSS\u304a\u3088\u3073SPD\u7528\u8a9e<\/a> \u9069\u5207\u306a\u4ed5\u69d8\u3092\u78ba\u4fdd\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<p><strong>SPD\u306f\u3001\u57fa\u672c\u7684\u306a\u96fb\u6e90\u30bf\u30c3\u30d7\u3068\u4f55\u304c\u9055\u3046\u306e\u3067\u3059\u304b\uff1f<\/strong><br \/>\n\u771f\u306eSPD\u306f\u3001UL 1449\u8a8d\u8a3c\u3001\u9069\u5207\u306a\u30af\u30e9\u30f3\u30d7\u96fb\u5727\u3001\u304a\u3088\u3073\u5341\u5206\u306a\u30b5\u30fc\u30b8\u96fb\u6d41\u5bb9\u91cf\u3092\u5099\u3048\u305f\u30b5\u30fc\u30b8\u4fdd\u8b77\u5c02\u7528\u306b\u8a2d\u8a08\u304a\u3088\u3073\u30c6\u30b9\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u96fb\u6e90\u30bf\u30c3\u30d7\u306f\u3001\u5b9f\u969b\u306e\u30b5\u30fc\u30b8\u4fdd\u8b77\u3092\u307b\u3068\u3093\u3069\u307e\u305f\u306f\u307e\u3063\u305f\u304f\u63d0\u4f9b\u3057\u307e\u305b\u3093\u3002\u305d\u308c\u3089\u306f\u5358\u306a\u308b\u30de\u30eb\u30c1\u30b3\u30f3\u30bb\u30f3\u30c8\u5ef6\u9577\u30b3\u30fc\u30c9\u3067\u3059\u3002UL 1449\u898f\u683c\u6e96\u62e0\u3068\u7279\u5b9a\u306e\u30b5\u30fc\u30b8\u5b9a\u683c\uff08kA\u304a\u3088\u3073\u30b8\u30e5\u30fc\u30eb\uff09\u3092\u63a2\u3057\u3066\u3001\u672c\u7269\u306e\u4fdd\u8b77\u6a5f\u80fd\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>SPD \u304c\u6b63\u3057\u304f\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306f\u3069\u3046\u3059\u308c\u3070\u308f\u304b\u308a\u307e\u3059\u304b?<\/strong><br \/>\n\u5927\u90e8\u5206\u306e\u9ad8\u54c1\u8ceaSPD\u306b\u306f\u3001\u52d5\u4f5c\u72b6\u6cc1\u3092\u793a\u3059\u8996\u899a\u7684\u306a\u30b9\u30c6\u30fc\u30bf\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\uff08LED\u30e9\u30a4\u30c8\uff09\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u901a\u5e38\u3001\u7dd1\u8272\u306f\u4fdd\u8b77\u4e2d\u3001\u8d64\u8272\u306f\u4ea4\u63db\u304c\u5fc5\u8981\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u8cc7\u683c\u306e\u3042\u308b\u96fb\u6c17\u6280\u5e2b\u304c\u9069\u5207\u306a\u8a66\u9a13\u88c5\u7f6e\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30d0\u30a4\u30b9\u3092\u8a66\u9a13\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u53e4\u3044SPD\u304c\u691c\u8a3c\u306a\u3057\u306b\u307e\u3060\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3068\u6c7a\u3057\u3066\u60f3\u5b9a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>SPD \u3092\u81ea\u5206\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u304b?<\/strong><br \/>\n\u30bf\u30a4\u30d73\u306e\u672b\u7aef\u7528SPD\uff08\u96fb\u6e90\u30bf\u30c3\u30d7\uff09\u306f\u3001\u901a\u5e38\u3001\u4f4f\u5b85\u6240\u6709\u8005\u304c\u8a2d\u7f6e\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u96fb\u6c17\u30d1\u30cd\u30eb\u306b\u8a2d\u7f6e\u3055\u308c\u308b\u30bf\u30a4\u30d71\u304a\u3088\u3073\u30bf\u30a4\u30d72\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u96fb\u6c17\u5de5\u4e8b\u898f\u5b9a\u306e\u8981\u4ef6\u3001\u9069\u5207\u306a\u63a5\u5730\u6280\u8853\u3001\u304a\u3088\u3073\u30b5\u30fc\u30d3\u30b9\u6a5f\u5668\u3092\u53d6\u308a\u6271\u3046\u969b\u306e\u5b89\u5168\u4e0a\u306e\u8003\u616e\u4e8b\u9805\u306b\u3088\u308a\u3001\u8cc7\u683c\u306e\u3042\u308b\u96fb\u6c17\u5de5\u4e8b\u58eb\u306b\u3088\u308b\u8a2d\u7f6e\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<p><strong>\u79c1\u306e\u5bb6\u306b\u306f\u3069\u306e\u30b5\u30a4\u30ba\u306e SPD \u304c\u5fc5\u8981\u3067\u3059\u304b?<\/strong><br \/>\n\u5bb6\u5168\u4f53\u306e\u4fdd\u8b77\u306e\u5834\u5408\u300140\u301c80 kA\u306e\u30b5\u30fc\u30b8\u96fb\u6d41\u5b9a\u683c\u306eType 2 SPD\u306f\u3001\u901a\u5e38\u3001\u4f4f\u5b85\u7528\u9014\u306b\u5341\u5206\u3067\u3059\u3002\u7279\u5b9a\u306e\u5b9a\u683c\u306f\u3001\u304a\u4f4f\u307e\u3044\u306e\u5730\u57df\u306e\u96f7\u66b4\u9732\u3001\u5bb6\u306e\u30b5\u30a4\u30ba\u3001\u304a\u3088\u3073\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u6a5f\u5668\u306e\u4fa1\u5024\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u306b\u57fa\u3065\u3044\u3066\u63a8\u5968\u4e8b\u9805\u306b\u3064\u3044\u3066\u8cc7\u683c\u306e\u3042\u308b\u96fb\u6c17\u6280\u5e2b\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>\u30b5\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\u5f8c\u306b SPD \u3092\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304b?<\/strong><br \/>\n\u5fc5\u305a\u3057\u3082\u305d\u3046\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u9ad8\u54c1\u8cea\u306eSPD\u306f\u3001\u8907\u6570\u306e\u30b5\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u3001\u8fd1\u96a3\u3078\u306e\u843d\u96f7\u306a\u3069\u3001\u91cd\u5927\u306a\u96fb\u6c17\u7684\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u5f8c\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3092\u70b9\u691c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002MOV\u30d9\u30fc\u30b9\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u7d2f\u7a4d\u7684\u306b\u52a3\u5316\u3059\u308b\u305f\u3081\u3001\u5358\u4e00\u306e\u30a4\u30d9\u30f3\u30c8\u3067\u76f4\u3061\u306b\u6545\u969c\u304c\u767a\u751f\u3057\u306a\u304f\u3066\u3082\u3001\u8907\u6570\u306e\u4e2d\u7a0b\u5ea6\u306e\u30b5\u30fc\u30b8\u306b\u3088\u308a\u3001\u6700\u7d42\u7684\u306b\u4ea4\u63db\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>SPD \u306e\u8a2d\u7f6e\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u96fb\u6c17\u30b3\u30fc\u30c9\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u304b?<\/strong><br \/>\n\u7c73\u56fd\u3067\u306f\u3001\u7c73\u56fd\u96fb\u6c17\u5de5\u4e8b\u898f\u7a0b\uff08NEC\uff09\u7b2c285\u6761\u304cSPD\u306e\u8a2d\u7f6e\u3092\u898f\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u56fd\u969b\u7684\u306b\u306fIEC 61643\u898f\u683c\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u5730\u57df\u306e\u898f\u5b9a\u3067\u8ffd\u52a0\u8981\u4ef6\u304c\u5b9a\u3081\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5e38\u306b\u6700\u65b0\u306e\u898f\u5b9a\u8981\u4ef6\u3092\u5730\u57df\u306e\u96fb\u6c17\u5f53\u5c40\u306b\u78ba\u8a8d\u3057\u3001\u8a2d\u7f6e\u306f\u8cc7\u683c\u3092\u6301\u3064\u5c02\u9580\u5bb6\u304c\u884c\u3046\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2>\u7d50\u8ad6\uff1a\u96fb\u6c17\u7684\u6295\u8cc7\u306e\u4fdd\u8b77<\/h2>\n<p>\u30b5\u30fc\u30b8\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u975e\u5bfe\u79f0\u306e\u6295\u8cc7\u53ce\u76ca\u7387\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u5c02\u9580\u5bb6\u306b\u3088\u308bSPD\u8a2d\u7f6e\u306e\u9069\u5ea6\u306a\u30b3\u30b9\u30c8\u3067\u3001\u6570\u4e07\u30c9\u30eb\u306e\u6a5f\u5668\u3092\u4fdd\u8b77\u3057\u3001\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c6\u30ad\u30b5\u30b9\u5dde\u306e\u65bd\u8a2d\u7ba1\u7406\u8005\u306e$45,000 HVAC\u4ea4\u63db\u306f\u3001$500\u306e\u5bb6\u5168\u4f53\u306eSPD\u8a2d\u7f6e\u3067\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>MOV\u3001GDT\u3001\u307e\u305f\u306fTVS\u6280\u8853\u3092\u4f7f\u7528\u3059\u308b\u304b\u3069\u3046\u304b\u306b\u304b\u304b\u308f\u3089\u305a\u3001\u6700\u65b0\u306eSPD\u306f\u3001\u9069\u5207\u306b\u9078\u629e\u304a\u3088\u3073\u8a2d\u7f6e\u3055\u308c\u305f\u5834\u5408\u306b\u3001\u5b9f\u7e3e\u306e\u3042\u308b\u8cbb\u7528\u5bfe\u52b9\u679c\u306e\u9ad8\u3044\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u30023\u3064\u306eSPD\u30bf\u30a4\u30d7\uff08Type 1\u30012\u3001\u304a\u3088\u30733\uff09\u3001\u4e3b\u8981\u306a\u4ed5\u69d8\uff08\u30af\u30e9\u30f3\u30d7\u96fb\u5727\u3001\u30b5\u30fc\u30b8\u96fb\u6d41\u5b9a\u683c\u3001MCOV\uff09\u3092\u7406\u89e3\u3057\u3001\u968e\u5c64\u5316\u3055\u308c\u305f\u4fdd\u8b77\u6226\u7565\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u65b0\u306e\u30b0\u30ea\u30c3\u30c9\u306e\u907f\u3051\u3089\u308c\u306a\u3044\u96fb\u6c17\u7684\u904e\u6e21\u73fe\u8c61\u306b\u5bfe\u3057\u3066\u65bd\u8a2d\u304c\u56de\u5fa9\u529b\u304c\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p><strong>\u52b9\u679c\u7684\u306a\u30b5\u30fc\u30b8\u4fdd\u8b77\u306e\u305f\u3081\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/strong><\/p>\n<ul>\n<li>\u9023\u643a\u3055\u308c\u305f\u591a\u5c64\u4fdd\u8b77\uff08\u5efa\u7269\u5168\u4f53+\u500b\u5225\u6a5f\u5668\uff09\u3092\u5b9f\u88c5\u3059\u308b<\/li>\n<li>\u6700\u4f4e\u4fa1\u683c\u3060\u3051\u3067\u306a\u304f\u3001\u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8981\u4ef6\u306b\u57fa\u3065\u3044\u3066SPD\u3092\u9078\u629e\u3059\u308b<\/li>\n<li>NEC\u7b2c285\u6761\u306b\u5f93\u3063\u3066\u3001\u8cc7\u683c\u306e\u3042\u308b\u96fb\u6c17\u6280\u5e2b\u306b\u3088\u308b\u9069\u5207\u306a\u8a2d\u7f6e\u3092\u78ba\u4fdd\u3059\u308b<\/li>\n<li>SPD\u30b9\u30c6\u30fc\u30bf\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u3092\u76e3\u8996\u3057\u3001\u4e8b\u524d\u306b\u4ea4\u63db\u3059\u308b<\/li>\n<li>\u4fdd\u967a\u304a\u3088\u3073\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u8a18\u9332\u306e\u305f\u3081\u306bSPD\u306e\u8a2d\u7f6e\u3092\u6587\u66f8\u5316\u3059\u308b<\/li>\n<\/ul>\n<p>\u5de5\u696d\u65bd\u8a2d\u304a\u3088\u3073\u5546\u696d\u30d3\u30eb\u30c7\u30a3\u30f3\u30b0\u306e\u5834\u5408\u3001\u30b5\u30fc\u30b8\u4fdd\u8b77\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6a5f\u5668\u306e\u640d\u50b7\u3092\u9632\u3050\u305f\u3073\u306b\u3001\u305d\u308c\u81ea\u4f53\u3067\u652f\u6255\u308f\u308c\u308b\u4e0d\u53ef\u6b20\u306a\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3067\u3059\u3002\u4f4f\u5b85\u7528\u9014\u3067\u306f\u3001SPD\u306f\u3001\u5bb6\u306e\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u3068\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u304c\u4e88\u6e2c\u4e0d\u53ef\u80fd\u306a\u904e\u6e21\u73fe\u8c61\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u5b89\u5fc3\u611f\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<p>\u6280\u8853\u306f\u6210\u719f\u3057\u3066\u304a\u308a\u3001\u898f\u683c\u306f\u5341\u5206\u306b\u78ba\u7acb\u3055\u308c\u3066\u304a\u308a\u3001\u4fdd\u8b77\u306f\u8a3c\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u552f\u4e00\u306e\u554f\u984c\u306f\u3001\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u6a5f\u5668\u306e\u6545\u969c\u3092\u7d4c\u9a13\u3059\u308b\u524d\u306b\u3001\u5305\u62ec\u7684\u306a\u30b5\u30fc\u30b8\u4fdd\u8b77\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u304b\u3069\u3046\u304b\u3067\u3059\u3002.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A surge protection device (SPD) is an electrical safety component that protects equipment and electrical systems from voltage spikes caused by lightning, power grid switching, or electrical faults. SPDs automatically divert excess electrical energy to ground, preventing damage to sensitive electronics, appliances, and electrical infrastructure. Understanding SPD technology, proper selection criteria, and installation requirements is critical for protecting your electrical investments, ensuring code compliance, and maintaining electrical safety in residential, commercial, and industrial applications. What is a Surge Protection Device: Technical Definition Figure 1: Internal anatomy of a VIOX Surge Protection Device, highlighting critical safety components including the MOV stack and thermal disconnect system. 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