{"id":1730,"date":"2025-09-19T12:43:49","date_gmt":"2025-09-19T12:43:49","guid":{"rendered":"https:\/\/cnkuangya.com\/?p=1730"},"modified":"2026-04-24T16:16:45","modified_gmt":"2026-04-24T08:16:45","slug":"%e3%82%b5%e3%83%bc%e3%82%b8%e4%bf%9d%e8%ad%b7%e8%a3%85%e7%bd%ae%e3%81%ae%e9%81%b8%e3%81%b3%e6%96%b9","status":"publish","type":"post","link":"https:\/\/cnkuangya.com\/ja\/blog\/how-to-select-surge-protective-device\/","title":{"rendered":"\u7523\u696d\u7528\u304a\u3088\u3073\u518d\u751f\u53ef\u80fd\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u305f\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\uff08SPD\uff09\u306e\u9078\u3073\u65b9"},"content":{"rendered":"<section style=\"margin:18px 0 28px;\">\n  <div style=\"border:1px solid #e5e7eb;border-radius:12px;padding:16px;background:#ffffff;\">\n    <p style=\"margin:0 0 6px;font-size:12px;line-height:1.6;color:#6b7280;\">\n      \u66f4\u65b0\u3055\u308c\u305f\uff1a <time datetime=\"2025-09-19\" style=\"color:#6b7280;\">2025\u5e749\u670819\u65e5<\/time> - \u8aad\u66f8\u6642\u9593\uff1a\uff5e18\uff5e22\u5206\n    <\/p>\n    <p style=\"margin:0;color:#0f172a;line-height:1.85;font-size:18px;\">\n      \u6b63\u3057\u3044\u9078\u629e <strong>\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\uff08SPD\uff09<\/strong> \u306f\u3001LV\u914d\u96fb\u3001PV\/ESS\u3001EV\u5145\u96fb\u3001\u7523\u696d\u30aa\u30fc\u30c8\u30e1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u3001\u6700\u3082ROI\u306e\u9ad8\u3044\u6c7a\u5b9a\u4e8b\u9805\u306e\u3072\u3068\u3064\u3067\u3042\u308b\u3002\n      \u672c\u30ac\u30a4\u30c9\u306f <em>\u6a19\u6e96\u4e3b\u7fa9<\/em> \u57fa\u6e96(IEC\/UL\/NEC)\u3001\u914d\u7f6e\u30eb\u30fc\u30eb\u3001BOM\u306e\u30d2\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u4ea4\u6d41<\/strong> \u305d\u3057\u3066 <strong>DC<\/strong> \u30b7\u30b9\u30c6\u30e0\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\n      \u8a73\u7d30\u306f <a href=\"#table-a\" style=\"color:#e11d48;text-decoration:none;\">\u53c2\u7167\u8868<\/a> \u305d\u3057\u3066 <a href=\"#sources\" style=\"color:#e11d48;text-decoration:none;\">\u30bd\u30fc\u30b9<\/a> \u6700\u5f8c\u306b\n    <\/p>\n    <div style=\"display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;\">\n      <a href=\"\/ja\/ac-spd\/\" style=\"display:inline-block;padding:10px 14px;border-radius:999px;border:1px solid #111827;color:#ffffff;background:#111827;text-decoration:none;font-size:14px;line-height:1;\">AC SPD - \u30bb\u30ec\u30af\u30bf\uff06\u30ac\u30a4\u30c9<\/a>\n      <a href=\"\/ja\/%e7%9b%b4%e6%b5%81%e5%9b%9e%e8%bb%a2%e6%95%b0\/\" style=\"display:inline-block;padding:10px 14px;border-radius:999px;border:1px solid #111827;color:#111827;background:#ffffff;text-decoration:none;font-size:14px;line-height:1;\">\u76f4\u6d41\u56de\u8ee2\u6570 - PV\/ESS<\/a>\n      <a href=\"\/ja\/pv-combiner-box\/\" style=\"display:inline-block;padding:10px 14px;border-radius:999px;border:1px solid #111827;color:#111827;background:#ffffff;text-decoration:none;font-size:14px;line-height:1;\">PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/a>\n      <a href=\"\/ja\/dc-fuse\/\" style=\"display:inline-block;padding:10px 14px;border-radius:999px;border:1px solid #111827;color:#111827;background:#ffffff;text-decoration:none;font-size:14px;line-height:1;\">DC\u30d2\u30e5\u30fc\u30ba\uff08gPV\uff09<\/a>\n      <a href=\"\/ja\/contact-us\/\" style=\"display:inline-block;padding:10px 14px;border-radius:999px;border:1px solid #111827;color:#111827;background:#ffffff;text-decoration:none;font-size:14px;line-height:1;\">\u9023\u7d61\u5148<\/a>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<section style=\"margin:24px 0 28px;\">\n  <!-- \u6587\u5b57 -->\n  <h2 style=\"font-size:22px;line-height:1.3;margin:0 0 10px;color:#111827;\">1) SPD\u6295\u8cc7\u3067\u5143\u304c\u53d6\u308c\u308b\u7406\u7531<\/h2>\n  <p style=\"margin:0 0 10px;color:#111827;line-height:1.85;font-size:16px;\">\n    \u8a08\u753b\u5916\u306e\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306b\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b\u3002 <strong>1\uff5e500\u4e07\u7c73\u30c9\u30eb\/\u6642\u9593<\/strong>\u91cd\u75c7\u4f8b\u306b\u8fd1\u3065\u304f <strong>300k\/\u5206<\/strong>.\n    \u96f7\u3084\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306b\u3088\u308b\u30b5\u30fc\u30b8\u306f <em>\u4e88\u6e2c\u53ef\u80fd\u304b\u3064\u6280\u8853\u7684\u306b\u53ef\u80fd<\/em>\u5354\u8abfSPD\u306f\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u30a4\u30f3\u30d1\u30eb\u30b9\u3092\u30af\u30e9\u30f3\u30d7\u3057\u3001PLC\/VFD\/IT\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\n  <\/p>\n\n  <!-- \u4fe1\u606f\u5361 -->\n  <div style=\"border:1px solid #e5e7eb;border-radius:12px;background:#f9fafb;padding:12px 14px;margin:10px 0;\">\n    <p style=\"margin:0;color:#374151;line-height:1.75;font-size:15px;\">\n      \u7c73\u56fd\u306e\u691c\u51fa\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u5e74\u9593\u6570\u5343\u4e07\u304b\u3089\u6570\u5104\u306e\u96f7\u30a4\u30d9\u30f3\u30c8\u3092\u8a18\u9332\u3057\u3066\u3044\u308b\u3002\n      \u5730\u7406\u3092\u8003\u616e\u3057\u305f\u4ed5\u69d8\uff08\u00a78 \u3092\u53c2\u7167\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u3088\u308a\u9ad8\u3044\u5bc6\u5ea6\u3092\u6b63\u5f53\u5316\u3059\u308b\u3002 <strong>\u30a4\u30f3\u30d7\/\u30a4\u30f3<\/strong> \u306e\u8a55\u4fa1\u3092\u5f97\u305f\u3002\n    <\/p>\n  <\/div>\n\n  <!-- \u9884\u7559\u56fe\u7247\u4f4d\uff0816:9\uff09 -->\n  <figure style=\"margin:12px 0 0;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;background:#fafafa;\">\n    <div style=\"width:100%;aspect-ratio:16\/9;display:block;background:#e5e7eb;\">\n      <img decoding=\"async\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/banner6.webp\"\n           alt=\"\u30e9\u30a4\u30c8\u30cb\u30f3\u30b0\u30fb\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8 (CC BY-SA)\" style=\"width:100%;height:100%;object-fit:cover;display:block;\">\n    <\/div>\n    <figcaption style=\"font-size:12px;color:#6b7280;padding:8px 10px;border-top:1px solid #e5e7eb;background:#fff;\">\n      <\/figcaption>\n  <\/figure>\n<\/section>\n\n\n\n<section style=\"margin:24px 0 28px;\">\n  <h2 style=\"font-size:22px;line-height:1.3;margin:0 0 8px;color:#111827;\">2) \u898f\u683c\u98a8\u666f (IEC \/ UL \/ NEC)<\/h2>\n  <p style=\"margin:0 0 12px;color:#111827;line-height:1.85;font-size:16px;\">\n    IEC 61643\u306f\u6027\u80fd\u3068\u6ce2\u5f62\u3092\u5b9a\u7fa9\u3057\u3001UL 1449\u306f\u5317\u7c73\u306e\u5b89\u5168\u6027\uff0f\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3092\u793a\u3057\u3001NEC 2023 Article 242\u306f\u3044\u304f\u3064\u304b\u306e\u72b6\u6cc1\u3067\u306e\u4f7f\u7528\u3092\u7fa9\u52d9\u4ed8\u3051\u3066\u3044\u308b\u3002\n  <\/p>\n  <div style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;\">\n    <div style=\"border:1px solid #e5e7eb;border-radius:12px;background:#ffffff;padding:14px;\">\n      <h3 style=\"font-size:18px;margin:0 0 6px;color:#111827;\">IEC 61643<\/h3>\n      <p style=\"margin:0;color:#111827;line-height:1.7;font-size:15px;\">\n        \u30bf\u30a4\u30d71\uff1a <strong>10\/350 \u03bcs<\/strong> (<em>\u30a4\u30f3\u30d7<\/em>)- \u30bf\u30a4\u30d72\uff1a <strong>8\/20 \u03bcs<\/strong> (<em>\u30a4\u30f3\/\u30a4\u30de\u30c3\u30af\u30b9<\/em>)- \u30bf\u30a4\u30d73\uff1a\u30b3\u30f3\u30d3\u30cd\u30fc\u30b7\u30e7\u30f3(<em>\u30a6\u30aa\u30c3\u30af<\/em>).\n        PV\/DC\uff1a <strong>IEC 61643-31<\/strong> \u22641500 VDC\u3002\n      <\/p>\n      <p style=\"margin:8px 0 0;font-size:14px;line-height:1.6;\">\n        <a href=\"https:\/\/webstore.iec.ch\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">IEC\u30a6\u30a7\u30d6\u30b9\u30c8\u30a2<\/a>\n      <\/p>\n    <\/div>\n    <div style=\"border:1px solid #e5e7eb;border-radius:12px;background:#ffffff;padding:14px;\">\n      <h3 style=\"font-size:18px;margin:0 0 6px;color:#111827;\">UL 1449<\/h3>\n      <p style=\"margin:0;color:#111827;line-height:1.7;font-size:15px;\">\u6052\u4e45\u7684\u306b\u63a5\u7d9a\u3055\u308c\u308b SPD \u306e UL \u30ea\u30b9\u30c6\u30a3\u30f3\u30b0; \u7b2c 4 \u7248\uff082016 \u5e74\uff09\u6d17\u7df4\u3055\u308c\u305f\u30de\u30fc\u30ad\u30f3\u30b0\u3002<\/p>\n      <p style=\"margin:8px 0 0;font-size:14px;line-height:1.6;\">\n        <a href=\"https:\/\/www.intertek.com\/standards-updates\/ul1449-4th-edition\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">\u30a4\u30f3\u30bf\u30fc\u30c6\u30c3\u30af<\/a> -\n        <a href=\"https:\/\/www.se.com\/us\/en\/download\/document\/UL1449_4thEd_Overview\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">\u30b7\u30e5\u30ca\u30a4\u30c0\u30fcPDF<\/a>\n      <\/p>\n    <\/div>\n    <div style=\"border:1px solid #e5e7eb;border-radius:12px;background:#ffffff;padding:14px;\">\n      <h3 style=\"font-size:18px;margin:0 0 6px;color:#111827;\">NEC 2023<\/h3>\n      <p style=\"margin:0;color:#111827;line-height:1.7;font-size:15px;\">\u8a18\u4e8b <strong>242<\/strong> \u306f\u904e\u96fb\u5727\u4fdd\u8b77\u3092\u898f\u5b9a\u3059\u308b\u3002\u30ea\u30b9\u30c8\u3068\u914d\u7f6e\u306e\u898f\u5247\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n      <p style=\"margin:8px 0 0;font-size:14px;line-height:1.6;\">\n        <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/all-codes-and-standards\/list-of-codes-and-standards\/detail?code=70\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">NFPA70<\/a>\n      <\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<section style=\"margin:24px 0 28px;\">\n  <h2 style=\"font-size:22px;line-height:1.3;margin:0 0 8px;color:#111827;\">3) SPD \"\u30bf\u30a4\u30d7 \"\u3068\u30c6\u30b9\u30c8\u6ce2\u5f62\u306e\u30c7\u30b3\u30fc\u30c9<\/h2>\n  <p style=\"margin:0 0 12px;color:#111827;line-height:1.85;font-size:16px;\">\n    \u9732\u5149\u3068\u30dc\u30fc\u30c9\u306e\u968e\u5c64\u3067\u30bf\u30a4\u30d7\u3092\u9078\u3073\u3001\u6b8b\u7559\u96fb\u5727\u306e\u8abf\u6574(<em>\u4e0a\u3078<\/em>)\u306e\u30b9\u30c6\u30fc\u30b8\u3092\u307e\u305f\u3050\u3002\n  <\/p>\n  <div style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-bottom:12px;\">\n    <div style=\"border:1px solid #e5e7eb;border-radius:12px;padding:14px;background:#f9fafb;\">\n      <h3 style=\"font-size:18px;margin:0 0 6px;color:#B5220E;\">\u30bf\u30a4\u30d71\uff08\u30af\u30e9\u30b9I\uff09<\/h3>\n      <p style=\"margin:0;color:#111827;line-height:1.7;font-size:15px;\">\u30c6\u30b9\u30c8\u3060\uff1a <strong>10\/350 \u03bcs<\/strong> (<em>\u30a4\u30f3\u30d7<\/em>).\u8a2d\u7f6e\u5834\u6240 <strong>\u901a\u7528\u53e3<\/strong> LPS\/\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306e\u5834\u5408\u3002<\/p>\n    <\/div>\n    <div style=\"border:1px solid #e5e7eb;border-radius:12px;padding:14px;background:#f9fafb;\">\n      <h3 style=\"font-size:18px;margin:0 0 6px;color:#B5220E;\">\u30bf\u30a4\u30d72\uff08\u30af\u30e9\u30b9II\uff09<\/h3>\n      <p style=\"margin:0;color:#111827;line-height:1.7;font-size:15px;\">\u30c6\u30b9\u30c8\u3060\uff1a <strong>8\/20 \u03bcs<\/strong> (<em>\u30a4\u30f3\/\u30a4\u30de\u30c3\u30af\u30b9<\/em>).\u30b5\u30d6\u30dc\u30fc\u30c9\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u4fdd\u8b77\u3002<\/p>\n    <\/div>\n    <div style=\"border:1px solid #e5e7eb;border-radius:12px;padding:14px;background:#f9fafb;\">\n      <h3 style=\"font-size:18px;margin:0 0 6px;color:#B5220E;\">\u30bf\u30a4\u30d73\uff08\u30af\u30e9\u30b9III\uff09<\/h3>\n      <p style=\"margin:0;color:#111827;line-height:1.7;font-size:15px;\">\u30c6\u30b9\u30c8\u3060\uff1a <strong>\u30b3\u30f3\u30d3\u30cd\u30fc\u30b7\u30e7\u30f3<\/strong> (<em>\u30a6\u30aa\u30c3\u30af<\/em>).\u654f\u611f\u306a\u8ca0\u8377\uff08PLC\u3001VFD\u3001IT\uff09\u306b\u8fd1\u3044\u3002<\/p>\n    <\/div>\n  <\/div>\n  <!-- \u9884\u7559\u5c0f\u56fe -->\n  <figure style=\"margin:0;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;background:#fafafa;\">\n    <div style=\"width:100%;aspect-ratio:4\/3;background:#e5e7eb;\">\n      <img decoding=\"async\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/KYPV-1500-3p-2.jpg\"\n           alt=\"SPD\u306e\u5199\u771f (CC BY-SA)\" style=\"width:100%;height:100%;object-fit:cover;display:block;\">\n    <\/div>\n    <figcaption style=\"font-size:12px;color:#6b7280;padding:8px 10px;border-top:1px solid #e5e7eb;background:#fff;\">\n      \n    <\/figcaption>\n  <\/figure>\n  <p style=\"margin:10px 0 0;color:#374151;line-height:1.7;font-size:14px;\">\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9 <strong>\u30bf\u30a4\u30d71+2<\/strong> \uff1d\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\uff0b\u4f4e\u6b8b\u6e23\u3002\u30bb\u30ec\u30af\u30bf\u30fc\uff1a\n    <a href=\"\/ja\/ac-spd\/#selector\" style=\"color:#0ea5e9;text-decoration:none;\">\u4ea4\u6d41<\/a> -\n    <a href=\"\/ja\/%e7%9b%b4%e6%b5%81%e5%9b%9e%e8%bb%a2%e6%95%b0\/#sec2\" style=\"color:#0ea5e9;text-decoration:none;\">DC<\/a>\n  <\/p>\n<\/section>\n\n\n\n<section id=\"acdc\" class=\"ky-section\">\n  <h2>4) \u4ea4\u6d41\u3068\u76f4\u6d41\uff08PV\/ESS\uff09 - \u540c\u3058\u7269\u7406\u3001\u7570\u306a\u308b\u5236\u7d04<\/h2>\n  <p>\n    <strong>AC\u5074<\/strong> (IEC 61643-11 \/ UL 1449): \u30bf\u30a4\u30d71\/2\/3\u3092\u9732\u51fa\u3068\u30dc\u30fc\u30c9\u306e\u968e\u5c64\u3067\u9078\u629e\u3057\u3001\u6b21\u306b\u30b5\u30a4\u30ba\u3092\u9078\u629e\u3059\u308b\u3002 <em>\u30a6\u30af<\/em>, <em>\u30a4\u30f3\/\u30a4\u30de\u30c3\u30af\u30b9<\/em>, <em>\u4e0a\u3078<\/em>.\n    <strong>\u76f4\u6d41\u5074<\/strong> (IEC 61643-31)\uff1a\u592a\u967d\u96fb\u6c60\u30a2\u30ec\u30a4 <strong>1500 VDC<\/strong> \u6e29\u5ea6\u3001\u6975\u6027\u3001\u9006\u96fb\u6d41\u6319\u52d5\u304c\u7570\u306a\u308b\u5bfeAC\u30c7\u30d0\u30a4\u30b9\u3002\n  <\/p>\n  <p>\n    \u73fe\u4ee3\u306eBOS\u3067\u306f\u3001 <a href=\"\/ja\/pv-combiner-box\/\">PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/a> \u3057\u3070\u3057\u3070\u7d71\u5408\u3055\u308c\u308b <strong>\u30bf\u30a4\u30d72 DC SPD<\/strong>\u7b50\u4f53\u306e\u6570\u3092\u6e1b\u3089\u3057\u3001\u73fe\u5834\u4f5c\u696d\u3092\u7c21\u7d20\u5316\u3057\u307e\u3059\u3002\n  <\/p>\n  <figure>\n    <img decoding=\"async\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/PV-combiner-box-banner-.webp\" alt=\"\u592a\u967d\u5149\u767a\u96fb\u5206\u91ce \" \/>\n    <figcaption>\u753b\u50cf\uff1a\u592a\u967d\u5149\u767a\u96fb\u30d5\u30a3\u30fc\u30eb\u30c9\uff08Wikimedia Commons, CC BY-SA\uff09\u3002IEC 61643-31\u306b\u5f93\u3063\u3066\u3001\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u3068\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u306eDC\u5165\u529b\u306bSPD\u3092\u691c\u8a0e\u3059\u308b\u3002<\/figcaption>\n  <\/figure>\n<\/section>\n\n\n\n<section id=\"layers\" class=\"ky-section\">\n  <h2>5) \u30ec\u30a4\u30e4\u30fc\u30c9\u30fb\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u306e \"\u30ec\u30b7\u30d4\"<\/h2>\n  <ol>\n    <li><strong>\u30b5\u30fc\u30d3\u30b9\u30fb\u30a8\u30f3\u30c8\u30e9\u30f3\u30b9\uff0fMSB\uff1a<\/strong> <strong>\u30bf\u30a4\u30d71<\/strong> (\u307e\u305f\u306f <strong>1+2<\/strong>)\u3067\u5341\u5206\u3067\u3042\u308b\u3002 <em>\u30a4\u30f3\u30d7<\/em>\u6700\u77ed\u3001\u6700\u76f4\u7dda\u306e\u5730\u7403\u306e\u9053\u3002<\/li>\n    <li><strong>\u914d\u96fb\u76e4\uff1a<\/strong> <strong>\u30bf\u30a4\u30d72<\/strong> \u5206\u5c90\u306e\u6545\u969c\u30ec\u30d9\u30eb\u3068\u30b1\u30fc\u30d6\u30eb\u306e\u9577\u3055\u306b\u5408\u308f\u305b\u3066\u30b5\u30a4\u30ba\u3092\u8abf\u6574\u3059\u308b\u3002 <em>\u4e0a\u3078<\/em> MSB\u30b9\u30c6\u30fc\u30b8\u4ed8\u304d\u3002<\/li>\n    <li><strong>\u30bb\u30f3\u30b7\u30c6\u30a3\u30d6\u306a\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\uff1a<\/strong> <strong>\u30bf\u30a4\u30d73<\/strong> \u6a5f\u5668\u306e\u5165\u53e3\u4ed8\u8fd1\uff08PLC\u3001VFD\u3001\u30b5\u30fc\u30d0\u30fc\uff09\u3002<\/li>\n  <\/ol>\n  <p>\u3053\u306e\u30ab\u30b9\u30b1\u30fc\u30c9\u306f\u3001IEC 60364-5-53\u306e\u9078\u5b9a\/\u67b6\u8a2d\u306e\u539f\u5247\u3068\u3001\u4e00\u822c\u7684\u306a\u30e1\u30fc\u30ab\u30fc\u306e\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u53cd\u6620\u3057\u3066\u3044\u308b\u3002<\/p>\n<\/section>\n\n\n\n<section style=\"margin:24px 0 28px;\">\n  <h2 style=\"font-size:22px;line-height:1.3;margin:0 0 8px;color:#111827;\">6) 9\u9805\u76ee\u306e\u30b5\u30a4\u30ba\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n  <div style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;align-items:start;\">\n    <ul style=\"margin:0; padding-left:18px; color:#111827; line-height:1.9; font-size:16px; list-style:disc;background:#ffffff;border:1px solid #e5e7eb;border-radius:12px;padding:14px;\">\n      <li><strong>\u30b3\u30fc\u30c9\uff0f\u30ea\u30b9\u30c8<\/strong> UL 1449\uff08\u7c73\u56fd\uff09\u3001NEC 242\u3002<\/li>\n      <li><strong>\u30bf\u30a4\u30d7<\/strong> 1 \/ 1+2 \/ 2 \/ 3 \u9732\u51fa\u304a\u3088\u3073\u30dc\u30fc\u30c9\u30ec\u30d9\u30eb\u5225\u3002<\/li>\n      <li><strong>Uc\uff08MCOV\uff09\uff1a<\/strong> &gt; \u6700\u60aa\u306e\u9023\u7d9a\u96fb\u5727\u3002<\/li>\n      <li><strong>\u30a2\u30a4\u30a4\u30f3\u30d7\uff0f\u30a4\u30f3\uff0f\u30a2\u30a4\u30de\u30c3\u30af\u30b9<\/strong> \u96f7\u306e\u5bc6\u5ea6\u3068\u30a8\u30f3\u30c8\u30ea\u30fc\u30dd\u30a4\u30f3\u30c8\u3092\u5408\u308f\u305b\u308b\u3002<\/li>\n      <li><strong>\u4e0a\u3078<\/strong> \u30b9\u30c6\u30fc\u30b8\u3054\u3068\u306e\u8abf\u6574\u3002<\/li>\n      <li><strong>\u30dd\u30fc\u30eb\u3068\u30a2\u30fc\u30b7\u30f3\u30b0\uff1a<\/strong> TN\/TT\/IT\u3068N-PE\u306e\u30cb\u30fc\u30ba\u3002<\/li>\n      <li><strong>SCCR\/\u30d0\u30c3\u30af\u30a2\u30c3\u30d7OCPD\uff1a<\/strong> \u969c\u5bb3\u96fb\u6d41\u3068\u30d9\u30f3\u30c0\u30fc\u30c6\u30fc\u30d6\u30eb\u3092\u4e00\u81f4\u3055\u305b\u308b\u3002<\/li>\n      <li><strong>\u74b0\u5883\uff1a<\/strong> \u9ad8\u5ea6\u3001IP\/NEMA\u3001\u30ea\u30fc\u30c9\u9577\u3002<\/li>\n      <li><strong>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/strong> \u4ea4\u63db\u53ef\u80fd\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30a6\u30a3\u30f3\u30c9\u30a6\u3001\u30ea\u30e2\u30fc\u30c8\u30a2\u30e9\u30fc\u30e0\u3002<\/li>\n    <\/ul>\n    <!-- \u9884\u7559\u56fe\u7247\u4f4d -->\n    <figure style=\"margin:0;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;background:#fafafa;\">\n      <div style=\"width:100%;aspect-ratio:1\/1;background:#e5e7eb;\">\n        <img decoding=\"async\" src=\"https:\/\/images.pexels.com\/photos\/4254168\/pexels-photo-4254168.jpeg?auto=compress&#038;cs=tinysrgb&#038;w=1200\"\n             alt=\"\u30d1\u30cd\u30eb\u914d\u7dda\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc\" style=\"width:100%;height:100%;object-fit:cover;display:block;\">\n      <\/div>\n      <figcaption style=\"font-size:12px;color:#6b7280;padding:8px 10px;border-top:1px solid #e5e7eb;background:#fff;\">\n        \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5199\u771f\uff08\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\/MSB\u914d\u7dda\uff09\u306b\u7f6e\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002\n      <\/figcaption>\n    <\/figure>\n  <\/div>\n<\/section>\n\n\n\n<section style=\"margin:36px 0 28px;\">\n  <h2 style=\"font-size:28px;line-height:1.25;margin:0 0 10px;color:#111827;\">7) PV\u3001ESS\u3001EV\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u304a\u3051\u308bSPD\u306e\u8a2d\u7f6e\u5834\u6240<\/h2>\n  <ul style=\"margin:0 0 10px 18px;color:#111827;line-height:1.8;\">\n    <li><strong>PV\u30a2\u30ec\u30a4\uff1a<\/strong> \u3067 <em>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/em> \u305d\u3057\u3066 <em>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fcDC\u5165\u529b<\/em>\u9577\u3044\u8ddd\u96e2\u3092\u8d70\u3063\u305f\u308a\u3001\u5730\u5f62\u304c\u9732\u51fa\u3057\u3066\u3044\u305f\u308a\u3059\u308b\u3068\u3001\u305d\u306e\u4e21\u65b9\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308b\u3002<\/li>\n    <li><strong>ESS\uff1a<\/strong> \u30d0\u30c3\u30c6\u30ea\u30fc\/DC-DC\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u4ed8\u8fd1\u306eDC\u30d0\u30b9\u3068\u3001PCS\u306eAC\u5074\u3002<\/li>\n    <li><strong>EV\u5145\u96fb\uff1a<\/strong> \u30b5\u30fc\u30d3\u30b9\u3067\u306f\u30bf\u30a4\u30d71\u307e\u305f\u306f1+2\uff08LPS\/\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306e\u5834\u5408\uff09\u3001\u914d\u96fb\u3067\u306f\u30bf\u30a4\u30d72\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u4ed8\u8fd1\u3067\u306f\u30bf\u30a4\u30d73\u3002<\/li>\n  <\/ul>\n  <p style=\"margin:0;color:#374151;line-height:1.8;\">\n    \u3053\u3061\u3089\u3082\u53c2\u7167\u306e\u3053\u3068\uff1a <a href=\"\/ja\/pv-combiner-box\/\" style=\"color:#0ea5e9;text-decoration:none;\">PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/a> - <a href=\"\/ja\/dc-fuse\/\" style=\"color:#0ea5e9;text-decoration:none;\">\u9ad8\u96fb\u5727 gPV \u30d2\u30e5\u30fc\u30ba<\/a>\n  <\/p>\n<\/section>\n\n\n\n<section style=\"margin:36px 0 28px;\">\n  <h2 style=\"font-size:28px;line-height:1.25;margin:0 0 10px;color:#111827;\">8) Data snapshot: lightning exposure &#038; why it changes your BOM<\/h2>\n  <p style=\"margin:0 0 10px;color:#111827;line-height:1.8;\">\n    \u96f7\u306e\u88ab\u5bb3\u306f\u4e00\u69d8\u3067\u306f\u306a\u3044\u3002\u7c73\u56fd\u306e\u96f7\u30ec\u30dd\u30fc\u30c8\u3067\u306f\u3001\u65e5\u5e38\u7684\u306b\u6b21\u306e\u3088\u3046\u306a\u8a18\u8ff0\u304c\u3042\u308b\u3002 <strong>9000\u4e07\uff5e2\u51044000\u4e07\u30c9\u30eb\u4ee5\u4e0a<\/strong> \u65b9\u6cd5\u8ad6\u306b\u3082\u3088\u308b\u304c\u3001\u5e74\u9593\uff08\u30af\u30e9\u30a6\u30c9\u5185\uff0bCG\uff09\u306e\u30a4\u30d9\u30f3\u30c8\u6570\u3002\n    \u30c6\u30ad\u30b5\u30b9\u306f\u7dcf\u30ab\u30a6\u30f3\u30c8\u6570\u3067\u30ea\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u304c\u3001\u30d5\u30ed\u30ea\u30c0\u306f\u5bc6\u5ea6\u3067\u30ea\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u98a8\u529b\u767a\u96fb\u6240\u3084\u9ad8\u5c64\u30a4\u30f3\u30d5\u30e9\u3067\u306f\u3001\u30b5\u30a4\u30c8\u3042\u305f\u308a\u306e\u30b9\u30c8\u30ed\u30fc\u30af\u6570\u304c\u6570\u5343\u3092\u8d85\u3048\u308b\u3053\u3068\u3082\u3042\u308b\u3002\n  <\/p>\n  <p style=\"margin:0 0 8px;color:#111827;line-height:1.8;\">\n    \u4e88\u7b97\u7de8\u6210\u306e\u969b\u306b\u306f\u3001NOAA\/NCEI\u306e\u90e1\u30ec\u30d9\u30eb\u306e\u5730\u56f3\u3001\u307e\u305f\u306f\u30d0\u30a4\u30b5\u30e9\/AEM\u306e\u5e74\u6b21\u5831\u544a\u66f8\u3092\u4f7f\u7528\u3057\u3066\u3001\u305d\u306e\u6b63\u5f53\u6027\u3092\u8a3c\u660e\u3059\u308b\u3002 <em>\u30a4\u30f3\u30d7\/\u30a4\u30f3<\/em> \u306e\u9078\u629e\u3068\u914d\u7f6e\u3002\n  <\/p>\n  <ul style=\"margin:0 0 0 18px;color:#111827;line-height:1.8;\">\n    <li><a href=\"https:\/\/www.ncei.noaa.gov\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">NOAA\/NCEI\u96f7\u6c17\u5019\u5b66<\/a><\/li>\n    <li><a href=\"https:\/\/www.vaisala.com\/en\/lightning\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">\u30f4\u30a1\u30a4\u30b5\u30e9\u96f7\u30ec\u30dd\u30fc\u30c8<\/a><\/li>\n    <li><a href=\"https:\/\/www.aem.eco\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">AEM\u30a6\u30a7\u30b6\u30fc\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9<\/a><\/li>\n  <\/ul>\n<\/section>\n\n\n\n<section id=\"table-a\" style=\"margin:24px 0 28px;\">\n  <h2 style=\"font-size:22px;line-height:1.3;margin:0 0 8px;color:#111827;\">9)\u30af\u30a4\u30c3\u30af\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30c6\u30fc\u30d6\u30eb<\/h2>\n  <p style=\"margin:0 0 10px;color:#111827;line-height:1.85;font-size:16px;\">\u51fa\u767a\u70b9\u3068\u3057\u3066\u3001\u3053\u308c\u3089\u306e\u884c\u3092\u4ed5\u69d8\u66f8\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3002<\/p>\n  <div style=\"overflow:auto;border:1px solid #e5e7eb;border-radius:12px;\">\n    <table style=\"border-collapse:collapse;width:100%;font-size:15px;\">\n      <thead>\n        <tr>\n          <th style=\"text-align:left;padding:10px;background:#f8fafc;border-bottom:1px solid #e5e7eb;\">SPD\u30bf\u30a4\u30d7<\/th>\n          <th style=\"text-align:left;padding:10px;background:#f8fafc;border-bottom:1px solid #e5e7eb;\">\u4e00\u6b21\u8a66\u9a13<\/th>\n          <th style=\"text-align:left;padding:10px;background:#f8fafc;border-bottom:1px solid #e5e7eb;\">\u4e3b\u306a\u683c\u4ed8\u3051<\/th>\n          <th style=\"text-align:left;padding:10px;background:#f8fafc;border-bottom:1px solid #e5e7eb;\">\u4ee3\u8868\u7684\u306a\u5834\u6240<\/th>\n          <th style=\"text-align:left;padding:10px;background:#f8fafc;border-bottom:1px solid #e5e7eb;\">\u5099\u8003<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\"><strong>\u30bf\u30a4\u30d71<\/strong><\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">10\/350 \u03bcs (<em>\u30a4\u30f3\u30d7<\/em>)<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">Uc\u3001 <strong>\u30a4\u30f3\u30d7<\/strong>\u30a2\u30c3\u30d7<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u30b5\u30fc\u30d3\u30b9\u30fb\u30a8\u30f3\u30c8\u30e9\u30f3\u30b9 \/ MSB<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u90e8\u5206\u76f4\u6d41\u96f7\u96fb\u6d41<\/td>\n        <\/tr>\n        <tr>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\"><strong>\u30bf\u30a4\u30d72<\/strong><\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">8\/20 \u03bcs (<em>\u30a4\u30f3\/\u30a4\u30de\u30c3\u30af\u30b9<\/em>)<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">Uc\u3001 <strong>\u30a4\u30f3\/\u30a4\u30de\u30c3\u30af\u30b9<\/strong>\u30a2\u30c3\u30d7<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u914d\u96fb\u76e4<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u306e\u4fdd\u8b77<\/td>\n        <\/tr>\n        <tr>\n          <td style=\"padding:10px;\"><strong>\u30bf\u30a4\u30d73<\/strong><\/td>\n          <td style=\"padding:10px;\">\u30b3\u30f3\u30d3\u30cd\u30fc\u30b7\u30e7\u30f3<em>\u30a6\u30aa\u30c3\u30af<\/em>)<\/td>\n          <td style=\"padding:10px;\">Uc\u3001Uoc\u3001Up<\/td>\n          <td style=\"padding:10px;\">\u654f\u611f\u306a\u8ca0\u8377\u306e\u8fd1\u304f<\/td>\n          <td style=\"padding:10px;\">\u6700\u7d42\u30af\u30e9\u30f3\u30d7\u3001\u30bf\u30a4\u30d72\u3068\u8abf\u6574<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <!-- \u5c0f\u56fe\u5360\u4f4d -->\n  <div style=\"margin-top:8px;border:1px dashed #e5e7eb;border-radius:10px;padding:8px;text-align:center;font-size:12px;color:#6b7280;\">\n    \u30aa\u30d7\u30b7\u30e7\u30f3\u753b\u50cf\uff1a\u30c6\u30b9\u30c8\u6ce2\u5f62\u56f3\uff0f\u88fd\u54c1\u30e9\u30a4\u30f3\u30ca\u30c3\u30d7\n  <\/div>\n<\/section>\n\n\n\n<section style=\"margin:24px 0 28px;\">\n  <h3 style=\"font-size:20px;margin:0 0 8px;color:#111827;\">\u8868 B - SPD \u6bce\u306b\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u6700\u5c0f\u30c7\u30fc\u30bf<\/h3>\n  <div style=\"overflow:auto;border:1px solid #e5e7eb;border-radius:8px;\">\n    <table style=\"border-collapse:collapse;width:100%;font-size:15px;\">\n      <thead>\n        <tr>\n          <th style=\"text-align:left;padding:10px;background:#f8fafc;border-bottom:1px solid #e5e7eb;\">\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\n          <th style=\"text-align:left;padding:10px;background:#f8fafc;border-bottom:1px solid #e5e7eb;\">\u306a\u305c\u305d\u308c\u304c\u91cd\u8981\u306a\u306e\u304b<\/th>\n          <th style=\"text-align:left;padding:10px;background:#f8fafc;border-bottom:1px solid #e5e7eb;\">\u5178\u578b\u7684\u306a\u843d\u3068\u3057\u7a74<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\"><strong>\u30a6\u30af\uff08MCOV\uff09<\/strong><\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u6700\u60aa\u306e\u9023\u7d9a\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u3092\u4e0a\u56de\u308b\u3053\u3068<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u516c\u79f0\u5024\u306b\u8fd1\u3059\u304e\u308b\u9078\u629e\u2192\u71b1\u5fdc\u529b\u3068\u65e9\u671f\u5bff\u547d\u7d42\u4e86<\/td>\n        <\/tr>\n        <tr>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\"><strong>\u30a2\u30a4\u30a4\u30f3\u30d7\uff0f\u30a4\u30f3\uff0f\u30a2\u30a4\u30de\u30c3\u30af\u30b9<\/strong><\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u4e88\u60f3\u3055\u308c\u308b\u30b5\u30fc\u30b8\u74b0\u5883\u306b\u5408\u308f\u305b\u308b<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u30b5\u30fc\u30d3\u30b9\u30fb\u30a8\u30f3\u30c8\u30e9\u30f3\u30b9\u3067\u306e\u904e\u5c0f\u8a55\u4fa1\u3001\u30bf\u30a4\u30d71\u304c\u5fc5\u8981\u306a\u3068\u3053\u308d\u3067\u306e\u30bf\u30a4\u30d72\u306e\u8aa4\u7528<\/td>\n        <\/tr>\n        <tr>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\"><strong>\u4e0a\u3078<\/strong><\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u7d76\u7e01\u4f53\uff0f\u96fb\u5b50\u6a5f\u5668\u306e\u6b8b\u7559\u5fdc\u529b\u3092\u6e2c\u5b9a<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u6bb5\u968e\u3092\u8d85\u3048\u305f\u8abf\u6574\u3092\u884c\u308f\u306a\u3044 \u2192 \u540c\u30ec\u30d9\u30eb\u306e\u4fdd\u8b77<\/td>\n        <\/tr>\n        <tr>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\"><strong>SCCR\uff0f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7OCPD<\/strong><\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u5b89\u5168\u6027\u3068\u9078\u629e\u6027<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">\u5229\u7528\u53ef\u80fd\u306a\u6545\u969c\u96fb\u6d41\u3068\u306e\u4e0d\u4e00\u81f4\uff1b\u30d9\u30f3\u30c0\u30fc\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30fb\u30c7\u30d0\u30a4\u30b9\u30fb\u30c6\u30fc\u30d6\u30eb\u3092\u7121\u8996<\/td>\n        <\/tr>\n        <tr>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\"><strong>\u6975\u6570\u3068\u30a2\u30fc\u30b7\u30f3\u30b0<\/strong><\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">TN\/TT\/IT\u5909\u66f4\u30e2\u30b8\u30e5\u30fc\u30eb\u30bb\u30c3\u30c8\u3068N-PE\u306e\u30cb\u30fc\u30ba<\/td>\n          <td style=\"padding:10px;border-bottom:1px solid #f1f5f9;\">TT\u306eN-PE\u6b20\u843d\u3001TN-C\u306ePEN\u8aa4\u914d\u7dda<\/td>\n        <\/tr>\n        <tr>\n          <td style=\"padding:10px;\"><strong>\u74b0\u5883\u3068\u53d6\u308a\u4ed8\u3051<\/strong><\/td>\n          <td style=\"padding:10px;\">\u6e29\u5ea6\u3001\u9ad8\u5ea6\u3001IP\/NEMA\u3001\u5c0e\u4f53\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/td>\n          <td style=\"padding:10px;\">\u30ea\u30fc\u30c9\u306e\u9577\u3055\u304c\u9577\u3044\u3002\u92ed\u304f\u66f2\u3052\u308b\u3068\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u304c\u5897\u52a0\u3059\u308b\uff08\u7aef\u5b50\u304c\u4e0a\u304c\u308b\uff09\u3002<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/section>\n\n\n\n<section style=\"margin:36px 0 28px;\">\n  <h2 style=\"font-size:28px;line-height:1.25;margin:0 0 10px;color:#111827;\">10) \u30a2\u30fc\u30b9\u3001\u914d\u7dda\u3001\u30ea\u30fc\u30c9\u7dda\u306e\u9577\u3055\u306b\u95a2\u3059\u308b\u898f\u5b9a<\/h2>\n  <ul style=\"margin:0 0 10px 18px;color:#111827;line-height:1.8;\">\n    <li>SPD-\u30a2\u30fc\u30b9\u9593\u304a\u3088\u3073SPD-\u30d0\u30b9\u9593\u306e\u5c0e\u7dda\u3092\u7dad\u6301\u3059\u308b\u3002 <strong>\u30b7\u30e7\u30fc\u30c8\u3001\u30b9\u30c8\u30ec\u30fc\u30c8\u3001\u96a3\u63a5<\/strong>.<\/li>\n    <li>\u30b5\u30fc\u30b8\u6642\u306b\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u3092\u5897\u52a0\u3055\u305b\u308b\u3088\u3046\u306a\u3001\u30eb\u30fc\u30d7\u3084\u304d\u308c\u3044\u306a\u30b1\u30fc\u30d6\u30eb\u30c9\u30ec\u30c3\u30b7\u30f3\u30b0\u306f\u907f\u3051\u308b\u3002<\/li>\n    <li>\u7de9\u3044\u7d42\u7aef\u306f\u3001\u7e70\u308a\u8fd4\u3057\u306e\u30b5\u30fc\u30b8\u3067\u71b1\u304f\u306a\u308b\u3002<\/li>\n    <li>TT\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001N-PE\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u30dc\u30f3\u30c7\u30a3\u30f3\u30b0\u304c\u9069\u5207\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u96fb\u6d41\u304c\u610f\u56f3\u3057\u305f\u7d4c\u8def\u3067\u623b\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n  <\/ul>\n  <p style=\"margin:0;color:#374151;line-height:1.8;\">\u30b0\u30ed\u30fc\u30d0\u30eb\u30fb\u30a8\u30ec\u30af\u30b7\u30e7\u30f3\u30fb\u30eb\u30fc\u30eb\u53c2\u7167\uff1a <a href=\"https:\/\/webstore.iec.ch\/publication\/60458\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">IEC 60364-5-53<\/a>.<\/p>\n<\/section>\n\n\n\n<section style=\"margin:36px 0 28px;\">\n  <h2 style=\"font-size:28px;line-height:1.25;margin:0 0 10px;color:#111827;\">11) NEC\u30c8\u30ea\u30ac\u30fc\u914d\u7f6e\uff08\u7c73\u56fd\uff09<\/h2>\n  <p style=\"margin:0 0 10px;color:#111827;line-height:1.8;\">\n    \u306b\u3064\u3044\u3066 <strong>2023 NEC<\/strong> (NFPA 70\uff09\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u6587\u8108\u306b\u304a\u3044\u3066SPD\u306e\u4f7f\u7528\u3092\u5f37\u5316\u3057\u3066\u3044\u308b\uff08\u4f8b\uff1a\u4f4f\u5b85\u306b\u304a\u3051\u308b\u5168\u6238\u4fdd\u8b77\u3001\u6d88\u9632\u30dd\u30f3\u30d7\u5236\u5fa1\u88c5\u7f6e\uff09\u3002\n    \u8a18\u4e8b <strong>242<\/strong> \u306f\u30011000V\u4ee5\u4e0b\u306e\u904e\u96fb\u5727\u4fdd\u8b77\u3092\u30ab\u30d0\u30fc\u3057\u307e\u3059\u3002 <strong>UL 1449<\/strong> \u4e0a\u5834\u3068 <strong>\u8a2d\u7f6e\u5834\u6240<\/strong>.\n  <\/p>\n  <p style=\"margin:0;color:#374151;line-height:1.8;\">\n    \u53c2\u8003\u307e\u3067\u306b\uff1a <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/all-codes-and-standards\/list-of-codes-and-standards\/detail?code=70\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">NFPA 70\uff08NEC\uff09<\/a> -\n    <a href=\"https:\/\/www.intertek.com\/standards-updates\/ul1449-4th-edition\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">UL 1449\u306e\u8aac\u660e<\/a>\n  <\/p>\n<\/section>\n\n\n\n<section style=\"margin:36px 0 28px;\">\n  <h2 style=\"font-size:28px;line-height:1.25;margin:0 0 10px;color:#111827;\">12) \u5b9f\u4f8b - \u7d20\u65e9\u304f\u8a55\u4fa1\u3092\u9078\u3076<\/h2>\n\n  <h3 style=\"font-size:20px;margin:0 0 6px;color:#111827;\">A.\u7523\u696d\u30d7\u30e9\u30f3\u30c8\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u30fb\u30b5\u30fc\u30d3\u30b9\u3001LPS\u306a\u3057\u3001400\/230VAC TN-S<\/h3>\n  <ul style=\"margin:0 10px 12px 18px;color:#111827;line-height:1.8;\">\n    <li><strong>MSB\uff1a<\/strong> <em>\u30bf\u30a4\u30d71<\/em> (\u307e\u305f\u306f <em>1+2<\/em>\u3067\u3042\u308b\u3002 <em>\u30a4\u30f3\u30d7<\/em> \u2248 12.5\uff5e25kA\/\u6975\uff08\u6a19\u6e96\uff09\uff1b <em>\u30a6\u30af<\/em> 230 V\u30b7\u30b9\u30c6\u30e0\u7528\u2265 275 VAC (L-N)\uff1b <em>\u4e0a\u3078<\/em> \u2264 1.5 kV\u3067\u3042\u308b\u3002<\/li>\n    <li><strong>\u30b5\u30d6DB\uff1a<\/strong> <em>\u30bf\u30a4\u30d72<\/em> \u3067 <em>\u3067<\/em> 20\uff5e40kA\u3001 <em>\u30a2\u30a4\u30de\u30c3\u30af\u30b9<\/em> \u30dc\u30fc\u30c9\u30ea\u30b9\u30af\u3042\u305f\u308a40-80kA\u3002<\/li>\n    <li><strong>\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8<\/strong> <em>\u30bf\u30a4\u30d73<\/em> VFD\/PLC\/IT\u8ca0\u8377\u306b\u304a\u3044\u3066\u3002<\/li>\n  <\/ul>\n\n  <h3 style=\"font-size:20px;margin:0 0 6px;color:#111827;\">B.DC1000V PV\u30a2\u30ec\u30a4\uff08\u30ed\u30f3\u30b0\u30b9\u30c8\u30ea\u30f3\u30b0\u3001\u5730\u4e0a\u8a2d\u7f6e\u578b\uff09<\/h3>\n  <ul style=\"margin:0 10px 12px 18px;color:#111827;line-height:1.8;\">\n    <li><strong>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/strong> <em>\u30bf\u30a4\u30d72 DC SPD<\/em> IEC 61643-31\u306b\u6e96\u62e0\uff1b <em>\u30a6\u30af<\/em> \u2265 Vstring(max at Tmin); \u5ea7\u6a19 <em>\u4e0a\u3078<\/em> \u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u4ed8\u304d<\/li>\n    <li><strong>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fcDC\u5165\u529b\uff1a<\/strong> \u30b1\u30fc\u30d6\u30eb\u306e\u8ddd\u96e2\u304c\u9577\u304b\u3063\u305f\u308a\u3001\u5730\u5f62\u304c\u975e\u5e38\u306b\u9732\u51fa\u3057\u3066\u3044\u305f\u308a\u3059\u308b\u5834\u5408\u306f\u30012\u3064\u76ee\u306eDC\u30b9\u30c6\u30fc\u30b8\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/li>\n  <\/ul>\n\n  <h3 style=\"font-size:20px;margin:0 0 6px;color:#111827;\">C.EV\u5145\u96fb\u30d7\u30e9\u30b6\uff08\u5546\u696d\u65bd\u8a2d\uff09<\/h3>\n  <ul style=\"margin:0 10px 0 18px;color:#111827;line-height:1.8;\">\n    <li><strong>\u30b5\u30fc\u30d3\u30b9<\/strong> <em>\u30bf\u30a4\u30d71\u307e\u305f\u306f1+2<\/em> LPS\/\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5b58\u5728\u3059\u308b\u3068\u3053\u308d\u3002<\/li>\n    <li><strong>\u914d\u7d66\uff1a<\/strong> <em>\u30bf\u30a4\u30d72<\/em> \u7d66\u96fb\u5668\u30b0\u30eb\u30fc\u30d7\uff1b <em>\u30bf\u30a4\u30d73<\/em> \u5145\u96fb\u5668\u5165\u529b\u306e\u8fd1\u304f\uff08\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u5834\u5408\uff09\u3002<\/li>\n  <\/ul>\n<\/section>\n\n\n\n<section style=\"margin:36px 0 28px;\">\n  <h2 style=\"font-size:28px;line-height:1.25;margin:0 0 10px;color:#111827;\">13)FAQ\uff08\u6280\u8853\u8005\u30ec\u30d9\u30eb\u306e\u56de\u7b54\uff09<\/h2>\n\n  <details style=\"border:1px solid #e5e7eb;border-radius:8px;padding:10px 12px;margin:10px 0;background:#fff;\">\n    <summary style=\"cursor:pointer;font-weight:600;color:#111827;\">\u30b5\u30fc\u30d3\u30b9\u30fb\u30a8\u30f3\u30c8\u30e9\u30f3\u30b9\u306b\u306f\u5fc5\u305a\u30bf\u30a4\u30d71\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/summary>\n    <p style=\"margin:8px 0 0;color:#111827;line-height:1.8;\">\u5916\u90e8LPS\u307e\u305f\u306f\u67b6\u7a7a\u9001\u96fb\u7dda\u304c\u3042\u308b\u5834\u5408\u3001\u30bf\u30a4\u30d71\uff08\u307e\u305f\u306f1+2\uff09\u304c\u90e8\u5206\u7684\u306a\u76f4\u6483\u96f7\u96fb\u6d41\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3042\u308b\u3002\u5730\u4e0b\u7d66\u96fb\u306e\u5efa\u7269\u306f\u3001\u5805\u7262\u306a\u30bf\u30a4\u30d72\u304c\u6b63\u5f53\u5316\u3055\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u30ea\u30b9\u30af\uff08\u96f7\u5bc6\u5ea6\u3001\u4fb5\u5165\u7d4c\u8def\uff09\u3068\u5730\u57df\u306e\u6cd5\u4ee4\u3092\u8a55\u4fa1\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n  <\/details>\n\n  <details style=\"border:1px solid #e5e7eb;border-radius:8px;padding:10px 12px;margin:10px 0;background:#fff;\">\n    <summary style=\"cursor:pointer;font-weight:600;color:#111827;\">UL\u3068IEC\u306e\u540d\u79f0\u306e\u9055\u3044\u306f\uff1f<\/summary>\n    <p style=\"margin:8px 0 0;color:#111827;line-height:1.8;\">UL 1449\u306f\u30ea\u30b9\u30c6\u30a3\u30f3\u30b0\uff0f\u5b89\u5168\u898f\u683c\u3067\u3042\u308a\u3001IEC 61643\u306f\u6027\u80fd\u8a66\u9a13\u3068\u30bf\u30a4\u30d7\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u3002\u591a\u304f\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306f\u4e21\u65b9\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002UL 1449\u306e\u7b2c4\u7248\uff082016\u5e74\uff09\u3067\u306f\u3001\u3088\u308a\u65b0\u3057\u3044\u30de\u30fc\u30ad\u30f3\u30b0\u3068\u8981\u6c42\u4e8b\u9805\u304c\u6a19\u6e96\u5316\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n  <\/details>\n\n  <details style=\"border:1px solid #e5e7eb;border-radius:8px;padding:10px 12px;margin:10px 0;background:#fff;\">\n    <summary style=\"cursor:pointer;font-weight:600;color:#111827;\">\u3069\u306e\u6570\u5b57\u306b\u6700\u9069\u5316\u3059\u3079\u304d\u304b\uff1f<\/summary>\n    <p style=\"margin:8px 0 0;color:#111827;line-height:1.8;\">\u9806\u756a\u306f\u3053\u3046\u3060\uff1a <strong>\u30a6\u30af<\/strong> (\u53f3\u3001\u4f4e\u304f\u306f\u306a\u3044\uff09\u2192\uff08\u53f3\u3001\u4f4e\u304f\u306f\u306a\u3044 <strong>Iimp\/In\/Imax<\/strong> (\u5341\u5206) <strong>\u4e0a\u3078<\/strong> (\u8abf\u6574\u304c\u53ef\u80fd\u306a\u9650\u308a\u4f4e\u304f\uff09 \u2192 \uff08\u8abf\u6574\u304c\u53ef\u80fd\u306a\u9650\u308a\u4f4e\u304f\uff09 \u2192 \uff08\u8abf\u6574\u304c\u53ef\u80fd\u306a\u9650\u308a\u4f4e\u304f\uff09 \u2192 \uff08\u8abf\u6574\u304c\u53ef\u80fd\u306a\u9650\u308a\u4f4e\u304f <strong>SCCR\/\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/strong> \u2192 <strong>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6a5f\u80fd<\/strong>.<\/p>\n  <\/details>\n\n  <details style=\"border:1px solid #e5e7eb;border-radius:8px;padding:10px 12px;margin:10px 0;background:#fff;\">\n    <summary style=\"cursor:pointer;font-weight:600;color:#111827;\">\u4eca\u65e5\u306f1\u30b9\u30c6\u30fc\u30b8\u3057\u304b\u8cb7\u3048\u306a\u3044\u3068\u3057\u305f\u3089\uff1f<\/summary>\n    <p style=\"margin:8px 0 0;color:#111827;line-height:1.8;\">\u4e88\u7b97\u3092 <strong>\u901a\u7528\u53e3<\/strong> (\u30bf\u30a4\u30d71\u307e\u305f\u306f1+2\uff09\u3001\u305d\u3057\u3066\u5f8c\u3067\u30bf\u30a4\u30d72\/3\u3092\u8ffd\u52a0\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5927\u60e8\u4e8b\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u65bd\u8a2d\u306e\u5965\u6df1\u304f\u307e\u3067\u6d78\u900f\u3059\u308b\u306e\u3092\u963b\u6b62\u3059\u308b\u3002<\/p>\n  <\/details>\n\n  <details style=\"border:1px solid #e5e7eb;border-radius:8px;padding:10px 12px;margin:10px 0;background:#fff;\">\n    <summary style=\"cursor:pointer;font-weight:600;color:#111827;\">\u5730\u7406\u306b\u3088\u3063\u3066\u30b9\u30da\u30c3\u30af\u306f\u3069\u3046\u5909\u308f\u308b\u306e\u304b\uff1f<\/summary>\n    <p style=\"margin:8px 0 0;color:#111827;line-height:1.8;\">\u9ad8\u5bc6\u5ea6\u306e\u30b3\u30ea\u30c9\u30fc\uff08\u4f8b\uff1a\u30e1\u30ad\u30b7\u30b3\u6e7e\u5cb8\u3001\u30d5\u30ed\u30ea\u30c0\u4e2d\u592e\u90e8\uff09\u306f\u3001\u3088\u308a\u9ad8\u5bc6\u5ea6\u3067\u3042\u308b\u3053\u3068\u304c\u6b63\u5f53\u5316\u3055\u308c\u308b\u3002 <em>\u30a4\u30f3\u30d7\/\u30a4\u30f3<\/em> \u3088\u308a\u30bf\u30a4\u30c8\u306b <em>\u4e0a\u3078<\/em> \u76ee\u6a19\u3092\u8a2d\u5b9a\u3059\u308b\u3002AHJ\u307e\u305f\u306f\u4fdd\u967a\u4f1a\u793e\u3068\u306e\u5354\u8b70\u306e\u305f\u3081\u306b\u3001NCEI\/Vaisala\/AEM\u30de\u30c3\u30d7\u3092\u4f7f\u7528\u3057\u3066\u57fa\u6e96\u9583\u5149\u5bc6\u5ea6\u3092\u5b9a\u91cf\u5316\u3059\u308b\u3002<\/p>\n  <\/details>\n<\/section>\n\n\n\n<section id=\"sources\" style=\"margin:24px 0 28px;\">\n  <h2 style=\"font-size:22px;line-height:1.3;margin:0 0 8px;color:#111827;\">\u30af\u30ec\u30b8\u30c3\u30c8\u3068\u60c5\u5831\u6e90<\/h2>\n  <ul style=\"margin:0; padding-left:18px; color:#111827; line-height:1.9; font-size:16px; list-style:disc;\">\n    <li>IEC 61643-11 \/ 61643-31\uff08\u516c\u5f0f\uff09\uff1a <a href=\"https:\/\/webstore.iec.ch\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">IEC\u30a6\u30a7\u30d6\u30b9\u30c8\u30a2<\/a><\/li>\n    <li>UL 1449 4th Ed\uff1a <a href=\"https:\/\/www.intertek.com\/standards-updates\/ul1449-4th-edition\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">\u30a4\u30f3\u30bf\u30fc\u30c6\u30c3\u30af<\/a> - <a href=\"https:\/\/www.se.com\/us\/en\/download\/document\/UL1449_4thEd_Overview\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">\u30b7\u30e5\u30ca\u30a4\u30c0\u30fcPDF<\/a><\/li>\n    <li>NEC2023\uff08\u7b2c242\u6761\uff09\uff1a <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/all-codes-and-standards\/list-of-codes-and-standards\/detail?code=70\" target=\"_blank\" rel=\"noopener\" style=\"color:#0ea5e9;text-decoration:none;\">NFPA<\/a><\/li>\n  <\/ul>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Updated: September 19, 2025 \u00b7 Reading time: ~18\u201322 min Selecting the correct Surge Protective Device (SPD) is among the highest-ROI decisions in LV distribution, PV\/ESS, EV charging, and industrial automation. This guide compiles standards-driven criteria (IEC\/UL\/NEC), placement rules, and BOM tips for both AC and DC systems. See the reference tables and sources at the end. AC SPD \u2014 Selector &amp; Guide DC SPD \u2014 PV\/ESS PV Combiner Box DC Fuse (gPV) Contact Kuangya 1) Why SPD investment pays for itself Unplanned downtime often costs USD&nbsp;1\u20135M\/hour; severe cases approach USD&nbsp;300k\/min. Surges from lightning\/switching are predictable &amp; engineerable; coordinated SPDs clamp high-energy impulses and protect PLCs\/VFDs\/IT. U.S. detection networks record tens [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":1513,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[],"class_list":["post-1730","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-surge-protection-lightning-safety"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/1730","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/comments?post=1730"}],"version-history":[{"count":3,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/1730\/revisions"}],"predecessor-version":[{"id":1737,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/1730\/revisions\/1737"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media\/1513"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media?parent=1730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/categories?post=1730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/tags?post=1730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}