{"id":20830,"date":"2025-12-14T23:27:25","date_gmt":"2025-12-14T15:27:25","guid":{"rendered":"https:\/\/viox.com\/?p=20830"},"modified":"2025-12-14T23:29:45","modified_gmt":"2025-12-14T15:29:45","slug":"solar-combiner-box-sizing-guide-expansion","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/solar-combiner-box-sizing-guide-expansion\/","title":{"rendered":"\u5c06\u6765\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u62e1\u5f35\u306b\u5099\u3048\u305f\u592a\u967d\u5149\u767a\u96fb\u30b3\u30f3\u30d0\u30a4\u30ca\u30dc\u30c3\u30af\u30b9\u306e\u9078\u5b9a\u65b9\u6cd5"},"content":{"rendered":"<div 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style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/viox-solar-combiner-box-installed-in-commercial-solar-farm-with-multiple-string-inputs-outdoor-weatherproof-enclosure-mounted-near-photovoltaic-array-showing-expansion-capacity-for-future-pv-system-growth.webp\" alt=\"VIOX solar combiner box installed in commercial solar farm with multiple string inputs, outdoor weatherproof enclosure mounted near photovoltaic array showing expansion capacity for future PV system growth\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 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\u3053\u308c\u306f\u3001\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u5185\u306e\u7269\u7406\u7684\u306a\u7aef\u5b50\u307e\u305f\u306f\u30d2\u30e5\u30fc\u30ba\u30db\u30eb\u30c0\u30fc\u306e\u6570\u3067\u3059\u3002\u30b9\u30c8\u30ea\u30f3\u30b0\u3054\u3068\u306b1\u3064\u3067\u3059\u3002\u4eca\u65e512\u500b\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u8a2d\u7f6e\u3059\u308b\u304c\u30013\u5e74\u4ee5\u5185\u306b18\u500b\u306b\u5230\u9054\u3059\u308b\u4e88\u5b9a\u306e\u5834\u5408\u306f\u3001\u5c11\u306a\u304f\u3068\u308218\u500b\u306e\u4f4d\u7f6e\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u591a\u304f\u306e\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u540c\u3058\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30d5\u30c3\u30c8\u30d7\u30ea\u30f3\u30c8\u3067\u30e2\u30b8\u30e5\u30e9\u30fc\u88fd\u54c1\u30e9\u30a4\u30f3\uff0816\/18\/20\/24\u5165\u529b\uff09\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u5927\u898f\u6a21\u306a\u4ea4\u63db\u306a\u3057\u3067\u5c06\u6765\u306e\u4eba\u53e3\u3092\u7c21\u5358\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p><strong>\u30d0\u30b9\u30d0\u30fc\u3068\u7aef\u5b50\u306e\u8a31\u5bb9\u96fb\u6d41\uff1a<\/strong> \u30d0\u30b9\u30d0\u30fc\u306f\u3001\u4e26\u5217\u63a5\u7d9a\u3055\u308c\u305f\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u6d41\u3092\u53ce\u96c6\u3057\u3001PV\u51fa\u529b\u56de\u8def\u306b\u4f9b\u7d66\u3057\u307e\u3059\u3002NEC 690.8\uff08B\uff09\u306b\u57fa\u3065\u304d\u3001\u5c0e\u4f53\u306f\u6700\u5927\u9023\u7d9a\u96fb\u6d41\u306e\u5c11\u306a\u304f\u3068\u3082125\uff05\u306b\u306a\u308b\u3088\u3046\u306b\u30b5\u30a4\u30b8\u30f3\u30b0\u3057\u3001\u6b21\u306b\u6e29\u5ea6\u3068\u8a2d\u7f6e\u306e\u4f4e\u6e1b\u4fc2\u6570\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u300213.75A\u306712\u500b\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u306f\u3001\u5408\u8a08165A\u3092\u751f\u6210\u3057\u3001\u74b0\u5883\u88dc\u6b63\u306e\u524d\u306b\u7d04206A\u306e\u5c0e\u4f53\u8a31\u5bb9\u96fb\u6d41\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<p><strong>\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u71b1\u5bb9\u91cf\uff1a<\/strong> \u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306f\u5c4b\u5916\u3067\u52d5\u4f5c\u3057\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u5468\u56f2\u6e29\u5ea6\u304c40\u00b0C\u3092\u8d85\u3048\u308b\u76f4\u5c04\u65e5\u5149\u306e\u4e0b\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u63db\u6c17\u3001\u71b1\u653e\u6563\u8a2d\u8a08\u3001\u304a\u3088\u3073\u9069\u5207\u306aIP\u5b9a\u683c\uff08IP65\u307e\u305f\u306fIP67\uff09\u306b\u3088\u308a\u3001\u7aef\u5b50\u3092\u52a3\u5316\u3055\u305b\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6545\u969c\u3092\u52a0\u901f\u3055\u305b\u308b\u5185\u90e8\u904e\u71b1\u3092\u9632\u304e\u307e\u3059\u3002\u62e1\u5f35\u3092\u8a08\u753b\u3059\u308b\u3068\u304d\u306f\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u6570\u304c\u5897\u52a0\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u304c\u5897\u52a0\u3057\u305fI\u00b2R\u640d\u5931\u3092\u51e6\u7406\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/technical-cutaway-diagram-of-viox-solar-combiner-box-showing-internal-architecture-with-string-input-terminals-fuses-busbars-and-future-expansion-positions-for-scalable-pv-installations.webp\" alt=\"Technical cutaway diagram of VIOX solar combiner box showing internal architecture with string input terminals, fuses, busbars, and future expansion positions for scalable PV installations\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">\u30b9\u30c8\u30ea\u30f3\u30b0\u5165\u529b\u306e\u3042\u308bVIOX\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u6280\u8853\u7684\u306a\u65ad\u9762\u56f3 <a href=\"https:\/\/test.viox.com\/ja\/terminal-block\/\">\u7aef\u672b<\/a>, \u3001\u30d2\u30e5\u30fc\u30ba\u3001, <a href=\"https:\/\/test.viox.com\/ja\/busbar\/\">\u30d0\u30b9\u30d0\u30fc<\/a>, \u3001\u304a\u3088\u3073\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306aPV\u8a2d\u7f6e\u306e\u305f\u3081\u306e\u5c06\u6765\u306e\u62e1\u5f35\u4f4d\u7f6e<\/figcaption><\/figure>\n<h2>\u30b9\u30c6\u30c3\u30d71\uff1a\u73fe\u5728\u306e\u30b7\u30b9\u30c6\u30e0\u8981\u4ef6\u3092\u8a08\u7b97\u3059\u308b<\/h2>\n<p>\u65e2\u5b58\u307e\u305f\u306f\u521d\u671f\u306ePV\u30a2\u30ec\u30a4\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u96fb\u6c17\u7279\u6027\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5f8c\u7d9a\u306e\u3059\u3079\u3066\u306e\u62e1\u5f35\u8a08\u7b97\u306e\u57fa\u790e\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u6700\u5927\u56de\u8def\u96fb\u5727\uff08Vmax\uff09\u3092\u6c7a\u5b9a\u3059\u308b\uff1a<\/strong> NEC 690.7\u3092\u4f7f\u7528\u3057\u3066\u3001Vmax\u3092\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u958b\u56de\u8def\u96fb\u5727\uff08Voc\uff09\u306b\u76f4\u5217\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u6570\u3068\u4e88\u60f3\u3055\u308c\u308b\u6700\u3082\u4f4e\u3044\u5468\u56f2\u6e29\u5ea6\u306e\u6e29\u5ea6\u88dc\u6b63\u4fc2\u6570\u3092\u639b\u3051\u305f\u3082\u306e\u3068\u3057\u3066\u8a08\u7b97\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u5bd2\u3044\u6c17\u5019\uff08\u4fc2\u65701.12\uff09\u306e50V Voc\u306e12\u500b\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001672 Vdc\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u5024\u3092\u8d85\u3048\u308b\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u96fb\u5727\u5b9a\u683c\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u901a\u5e38\u3001\u5546\u696d\u7528\u8a2d\u7f6e\u306e\u5834\u5408\u306f1000 Vdc\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30b9\u30b1\u30fc\u30eb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5834\u5408\u306f1500 Vdc\u3067\u3059\u3002.<\/p>\n<p><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u6d41\u3092\u8a08\u7b97\u3059\u308b\uff1a<\/strong> \u30e2\u30b8\u30e5\u30fc\u30eb\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8Isc\u3092\u53d6\u5f97\u3057\u3001NEC 690.8\uff08A\uff09\u306b\u5f93\u3063\u30661.25\u306e\u4e57\u6570\u3092\u9069\u7528\u3057\u307e\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u304c11A Isc\u3067\u5b9a\u683c\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u6700\u5927\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u6d41\u306f13.75A\u3067\u3059\u3002\u3053\u306e\u5024\u306f\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u904e\u96fb\u6d41\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\uff08\u30d2\u30e5\u30fc\u30ba\u307e\u305f\u306f\u30d6\u30ec\u30fc\u30ab\u30fc\uff09\u306e\u6700\u5c0f\u5b9a\u683c\u3068\u3001\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u306e\u5206\u5c90\u96fb\u6d41\u5bb9\u91cf\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u5fc5\u8981\u306a\u5165\u529b\u4f4d\u7f6e\u3092\u6570\u3048\u308b\uff1a<\/strong> 12\u30b9\u30c8\u30ea\u30f3\u30b0\u30a2\u30ec\u30a4\u306e\u5834\u5408\u300112\u500b\u306e\u5165\u529b\u7aef\u5b50\u304c\u5fc5\u8981\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u3053\u3067\u505c\u6b62\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u51fa\u767a\u70b9\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u306e\u73fe\u5728\u306e\u5024\u3092\u30b5\u30a4\u30b8\u30f3\u30b0\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3068\u3057\u3066\u6587\u66f8\u5316\u3057\u307e\u3059\u3002\u30b9\u30c8\u30ea\u30f3\u30b0\u6570\u306f12\u3067\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u4ed5\u69d8Isc\u306f11A\u3067\u3059\u3002\u6700\u5927\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u6d41\u306f13.75A\uff0811A\u00d71.25\uff09\u3068\u8a08\u7b97\u3055\u308c\u3001\u5408\u8a08\u30a2\u30ec\u30a4\u96fb\u6d41\u306f165A\uff0812\u00d713.75A\uff09\u306b\u306a\u308a\u307e\u3059\u3002\u9023\u7d9a\u5c0e\u4f53\u30b5\u30a4\u30b8\u30f3\u30b0\u8981\u4ef6\u306f\u3001206A\uff08NEC 690.8\uff08B\uff09\u3042\u305f\u308a165A\u00d71.25\uff09\u306b\u9054\u3057\u307e\u3059\u3002.<\/p>\n<p>\u3053\u308c\u3089\u306e\u6570\u5024\u306f\u3001\u4eca\u65e5\u5fc5\u8981\u306a\u3082\u306e\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5c06\u6765\u5bfe\u5fdc\u53ef\u80fd\u306a\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d72\uff1a\u5c06\u6765\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u8ffd\u52a0\u3092\u4e88\u6e2c\u3059\u308b<\/h2>\n<p>\u6b21\u306b\u3001PV\u30b7\u30b9\u30c6\u30e0\u306e\u73fe\u5b9f\u7684\u306a\u6210\u9577\u8ecc\u9053\u3092\u4e88\u6e2c\u3057\u307e\u3059\u3002\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u6280\u8853\u7684\u306a\u80fd\u529b\u3068\u30d3\u30b8\u30cd\u30b9\u8a08\u753b\u304a\u3088\u3073\u30b5\u30a4\u30c8\u306e\u5236\u7d04\u3068\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u6210\u9577\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u7279\u5b9a\u3059\u308b\uff1a<\/strong> \u4e00\u822c\u7684\u306a\u62e1\u5f35\u30c8\u30ea\u30ac\u30fc\u306b\u306f\u3001\u6bb5\u968e\u7684\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30d5\u30a1\u30a4\u30ca\u30f3\u30b9\u3001\u5229\u7528\u53ef\u80fd\u306a\u5c4b\u6839\u307e\u305f\u306f\u571f\u5730\u9762\u7a4d\u3001\u5c06\u6765\u306e\u8ca0\u8377\u306e\u5897\u52a0\uff08EV\u5145\u96fb\u3001\u30d2\u30fc\u30c8\u30dd\u30f3\u30d7\uff09\u3001\u304a\u3088\u3073\u30d0\u30c3\u30c6\u30ea\u30fc\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u7d71\u5408\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30b9\u30b1\u30fc\u30eb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u30015\u5e74\u9593\u30672\u301c3\u306e\u69cb\u7bc9\u30d5\u30a7\u30fc\u30ba\u3092\u8a08\u753b\u3059\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u5546\u696d\u7528\u5c4b\u4e0a\u3067\u306f\u30012\u5e74\u4ee5\u5185\u306b\u5358\u4e00\u306e30\u301c40\uff05\u306e\u62e1\u5f35\u306e\u305f\u3081\u306b\u5bb9\u91cf\u3092\u4e88\u7d04\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u6570\u306e\u76ee\u6a19\u3092\u8a2d\u5b9a\u3059\u308b\uff1a<\/strong> \u6210\u9577\u30c9\u30e9\u30a4\u30d0\u30fc\u306b\u57fa\u3065\u3044\u3066\u3001\u6700\u5927\u3067\u4fe1\u983c\u3067\u304d\u308b\u30b9\u30c8\u30ea\u30f3\u30b0\u6570\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u30d5\u30a7\u30fc\u30ba1\u306712\u500b\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u8a2d\u7f6e\u3057\u3001\u30b5\u30a4\u30c8\u304c\u5408\u8a0820\u500b\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u5834\u5408\u306f\u300120\u500b\u306e\u4f4d\u7f6e\u3092\u8a08\u753b\u3057\u307e\u3059\u3002\u76f8\u4e92\u63a5\u7d9a\u5951\u7d04\u3068\u571f\u5730\u8a31\u53ef\u304c\u305d\u308c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u9650\u308a\u300140\u500b\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u306b\u904e\u5270\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u904e\u5270\u306a\u5bb9\u91cf\u306f\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308a\u3001\u6a5f\u5668\u306e\u9078\u629e\u3092\u8907\u96d1\u306b\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u30e2\u30b8\u30e5\u30fc\u30eb\u6280\u8853\u306e\u30c8\u30ec\u30f3\u30c9\u3092\u8a55\u4fa1\u3059\u308b\uff1a<\/strong> \u5c06\u6765\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u306f\u3001\u7570\u306a\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u65e5\u306e10\u301c11A Isc\u30d1\u30cd\u30eb\u306f\u300113\u301c15A\u306e\u5b9a\u683c\u3092\u6301\u3064\u4e21\u9762\u306e\u5927\u5224\u30bb\u30eb\u306b\u9053\u3092\u8b72\u3063\u3066\u3044\u307e\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u4e16\u4ee3\u3092\u6df7\u5728\u3055\u305b\u308b\u5834\u5408\u306f\u3001\u5206\u5c90\u5bb9\u91cf\u3068OCPD\u3092\u30b5\u30a4\u30b8\u30f3\u30b0\u3059\u308b\u3068\u304d\u306b\u3001\u3088\u308a\u9ad8\u3044\u96fb\u6d41\u5b9a\u683c\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u4eca\u65e515A\u306e\u5206\u5c90\u7528\u306b\u5b9a\u683c\u3055\u308c\u305f\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u306f\u3001\u73fe\u5728\u306e11A\u30b9\u30c8\u30ea\u30f3\u30b0\u3068\u5c06\u6765\u306e14A\u306e\u8ffd\u52a0\u306e\u4e21\u65b9\u3092\u5909\u66f4\u306a\u3057\u3067\u53d7\u3051\u5165\u308c\u307e\u3059\u3002.<\/p>\n<p>\u62e1\u5f35\u4e88\u6e2c\u3092\u660e\u78ba\u306b\u6587\u66f8\u5316\u3057\u307e\u3059\u3002\u300c\u73fe\u5728\uff1a11A Isc\u306712\u500b\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u3002\u76ee\u6a19\uff1a20\u500b\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u3042\u305f\u308a\u6700\u592715A Isc\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002\u300d\u3053\u308c\u304c\u4ed5\u69d8\u306e\u30a2\u30f3\u30ab\u30fc\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/viox-solar-combiner-box-sizing-calculation-diagram-illustrating-nec-690-8-string-current-formulas-position-count-planning-and-conductor-ampacity-requirements-for-expandable-photovoltaic-systems.webp\" alt=\"VIOX solar combiner box sizing calculation diagram illustrating NEC 690.8 string current formulas, position count planning, and conductor ampacity requirements for expandable photovoltaic systems\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">NEC 690.8\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u6d41\u5f0f\u3001\u4f4d\u7f6e\u6570\u8a08\u753b\u3001\u304a\u3088\u3073\u62e1\u5f35\u53ef\u80fd\u306a\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u306e\u5c0e\u4f53\u8a31\u5bb9\u96fb\u6d41\u8981\u4ef6\u3092\u793a\u3059VIOX\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u30b5\u30a4\u30b8\u30f3\u30b0\u8a08\u7b97\u56f3<\/figcaption><\/figure>\n<h2>\u30b9\u30c6\u30c3\u30d73\uff1a\u4f4e\u6e1b\u4fc2\u6570\u3068\u5b89\u5168\u7387\u3092\u9069\u7528\u3059\u308b<\/h2>\n<p>\u751f\u306e\u8a08\u7b97\u3060\u3051\u3067\u306f\u5341\u5206\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b3\u30fc\u30c9\u306e\u6e96\u62e0\u3068\u5b89\u5168\u306a\u9577\u671f\u52d5\u4f5c\u306b\u306f\u3001\u4f53\u7cfb\u7684\u306a\u4f4e\u6e1b\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u4e88\u6e2c\u3092\u6b63\u5f53\u5316\u53ef\u80fd\u306a\u4ed5\u69d8\u306b\u5909\u63db\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>NEC 690.8\u9023\u7d9a\u96fb\u6d41\u8981\u4ef6\uff1a<\/strong> \u7c73\u56fd\u96fb\u6c17\u5de5\u4e8b\u898f\u7a0b\u3067\u306f\u3001PV\u5c0e\u4f53\u3068\u904e\u96fb\u6d41\u30c7\u30d0\u30a4\u30b9\u304c\u6700\u5927\u56de\u8def\u96fb\u6d41\u306e125\uff05\u3092\u51e6\u7406\u3059\u308b\u3053\u3068\u3092\u7fa9\u52d9\u4ed8\u3051\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d4\u30fc\u30af\u65e5\u5c04\u4e0b\u3067\u306e\u9023\u7d9a\u65e5\u4e2d\u52d5\u4f5c\u3092\u8003\u616e\u3057\u305f\u3082\u306e\u3067\u3059\u300215A Isc\u306e20\u500b\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u5834\u5408\u3001\u6700\u5927\u5408\u8a08\u96fb\u6d41\u306f20\u00d715A\u00d71.25 = 375A\u3067\u3059\u3002\u6b21\u306b\u3001\u5c0e\u4f53\u8a31\u5bb9\u96fb\u6d41\u306f\u3001\u6e29\u5ea6\u88dc\u6b63\u306e\u524d\u306b375A\u00d71.25 = 469A\u306b\u9054\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e125\uff05\u306e\u4e8c\u91cd\u9069\u7528\uff08\u65e5\u5c04\u306b1\u56de\u3001\u9023\u7d9a\u30c7\u30e5\u30fc\u30c6\u30a3\u306b1\u56de\uff09\u306f\u91cd\u8981\u3067\u3042\u308a\u3001\u898b\u843d\u3068\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u6e29\u5ea6\u4f4e\u6e1b\u4fc2\u6570\uff1a<\/strong> \u5c4b\u5916\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306f\u3001\u304b\u306a\u308a\u306e\u592a\u967d\u71b1\u3092\u53d7\u3051\u307e\u3059\u3002NEC\u8868310.15\uff08B\uff09\uff081\uff09\u306f\u300130\u00b0C\u3092\u8d85\u3048\u308b\u5468\u56f2\u6e29\u5ea6\u306e\u8a31\u5bb9\u96fb\u6d41\u88dc\u6b63\u4fc2\u6570\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u304c50\u00b0C\u306b\u9054\u3059\u308b\u6691\u3044\u6c17\u5019\u3067\u306f\u3001\u9285\u5c0e\u4f53\u306f0.82\u4ee5\u4e0b\u306b\u4f4e\u6e1b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u5fc5\u8981\u306a\u96fb\u7dda\u30b5\u30a4\u30ba\u304c\u52b9\u679c\u7684\u306b\u5897\u52a0\u3057\u307e\u3059\u3002VIOX Electric\u306f\u300160\u00b0C\u306e\u5468\u56f2\u6e29\u5ea6\u3067\u71b1\u8a66\u9a13\u3092\u5b9f\u65bd\u3057\u3001\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u8a2d\u8a08\u304c\u6975\u7aef\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u6761\u4ef6\u4e0b\u3067\u3082\u7aef\u5b50\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p><strong>\u62e1\u5f35\u30de\u30fc\u30b8\u30f3\u306e\u63a8\u5968\u4e8b\u9805\uff1a<\/strong> \u30b3\u30fc\u30c9\u306e\u6700\u5c0f\u5024\u3092\u8d85\u3048\u3066\u3001\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u8005\u306f\u3001\u4e88\u671f\u3057\u306a\u3044\u6210\u9577\u306e\u305f\u3081\u306b20\u301c30\uff05\u306e\u5bb9\u91cf\u30d0\u30c3\u30d5\u30a1\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u306e\u30de\u30fc\u30b8\u30f3\u306f\u3001\u8a31\u53ef\u307e\u305f\u306f\u96fb\u6c17\u8a08\u7b97\u3092\u518d\u5ea6\u958b\u304f\u3053\u3068\u306a\u304f\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u30b7\u30b9\u30c6\u30e0\u304c\u4e88\u60f3\u3088\u308a\u3082\u65e9\u304f\u5230\u7740\u3057\u305f\u5834\u5408\u306b2\u3064\u306e\u8ffd\u52a0\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u8ffd\u52a0\u3059\u308b\u306a\u3069\u3001\u8a08\u753b\u306e\u308f\u305a\u304b\u306a\u5909\u66f4\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u300215\u5e74\u4ee5\u4e0a\u306e\u5bff\u547d\u3092\u76ee\u6a19\u3068\u3059\u308b\u4fdd\u5b88\u7684\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u52b9\u7387\u6539\u5584\u306b\u3088\u308a\u3001\u3088\u308a\u9ad8\u5bc6\u5ea6\u306e\u30a2\u30ec\u30a4\u304c\u53ef\u80fd\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u8a8d\u8b58\u3057\u3066\u300130\u301c40\uff05\u306e\u30de\u30fc\u30b8\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u6a19\u6e96\u30d9\u30fc\u30b9\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a<\/strong> NEC\u8981\u4ef6\u3068\u5b9f\u969b\u7684\u306a\u30de\u30fc\u30b8\u30f3\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u4ed5\u69d8\u306f\u300c20\u500b\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u30b5\u30dd\u30fc\u30c8\u300d\u304b\u3089\u300c\u3059\u3079\u3066\u306e\u4f4e\u6e1b\u3092\u542b\u3080\u300124\u30b9\u30c8\u30ea\u30f3\u30b0\u76f8\u5f53\u306e\u96fb\u6d41\u7528\u306b\u5b9a\u683c\u3055\u308c\u305f\u5c0e\u4f53\u3068\u30d0\u30b9\u30d0\u30fc\u3092\u5099\u3048\u305f\u4eca\u65e520\u500b\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u30b5\u30dd\u30fc\u30c8\u300d\u306b\u9032\u5316\u3057\u307e\u3059\u3002\u3053\u306e\u898f\u5f8b\u3042\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u300120\u500b\u306e\u7269\u7406\u7684\u306a\u4f4d\u7f6e\u3092\u6301\u3064\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u3092\u9078\u629e\u3059\u308b\u304c\u3001\u71b1\u307e\u305f\u306f\u8a31\u5bb9\u96fb\u6d41\u306e\u30d8\u30c3\u30c9\u30eb\u30fc\u30e0\u304c\u4e0d\u5341\u5206\u3067\u3042\u308b\u3068\u3044\u3046\u4e00\u822c\u7684\u306a\u9593\u9055\u3044\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d74\uff1a\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u4f4d\u7f6e\u6570\u3068\u96fb\u6d41\u5b9a\u683c\u3092\u9078\u629e\u3059\u308b<\/h2>\n<p>\u8a08\u7b97\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u6280\u8853\u8981\u4ef6\u3092\u7279\u5b9a\u306e\u88fd\u54c1\u9078\u629e\u306b\u5909\u63db\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8a08\u753b\u304c\u8abf\u9054\u3068\u4e00\u81f4\u3059\u308b\u5834\u6240\u3067\u3059\u3002.<\/p>\n<p><strong>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u5165\u529b\u4f4d\u7f6e\u30de\u30c8\u30ea\u30c3\u30af\u30b9\uff1a<\/strong> \u30bf\u30fc\u30b2\u30c3\u30c8\u30b9\u30c8\u30ea\u30f3\u30b0\u6570\u3092\u3001\u5229\u7528\u53ef\u80fd\u306a\u88fd\u54c1\u30d5\u30a1\u30df\u30ea\u306b\u4e00\u81f4\u3055\u305b\u307e\u3059\u3002\u5c06\u6765\u306e\u62e1\u5f35\u306e\u305f\u3081\u306b20\u500b\u306e\u4f4d\u7f6e\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u300120\u301c24\u500b\u306e\u5165\u529b\u3092\u63d0\u4f9b\u3059\u308b\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30e2\u30c7\u30eb\u3092\u63a2\u3057\u3066\u304f\u3060\u3055\u3044\u3002VIOX Electric\u3092\u542b\u3080\u591a\u304f\u306e\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u5358\u4e00\u306e\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304c\u8907\u6570\u306e\u69cb\u6210\uff0816\u300118\u300120\u3001\u307e\u305f\u306f24\u306e\u4f4d\u7f6e\uff09\u306b\u5bfe\u5fdc\u3059\u308b\u30e2\u30b8\u30e5\u30e9\u30fc\u88fd\u54c1\u30e9\u30a4\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u30ab\u30b9\u30bf\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306a\u3057\u3067\u5fc5\u8981\u306a\u7269\u7406\u5bb9\u91cf\u3092\u8cfc\u5165\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u6027\u306b\u3088\u308a\u3001\u96fb\u6c17\u6280\u5e2b\u306f\u8ffd\u52a0\u3067\u304d\u307e\u3059 <a href=\"https:\/\/test.viox.com\/ja\/the-complete-guide-to-fuse-holders\/\">\u30d2\u30e5\u30fc\u30ba\u30db\u30eb\u30c0\u30fc<\/a> \u307e\u305f\u306f\u3001\u30d5\u30a7\u30fc\u30ba2\u4e2d\u306b\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u5168\u4f53\u3092\u53d6\u308a\u5916\u3059\u3053\u3068\u306a\u304f\u3001\u672a\u914d\u7f6e\u306e\u4f4d\u7f6e\u306b\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u307e\u3059\u3002.<\/p>\n<p><strong>\u5206\u5c90\u96fb\u6d41\u5b9a\u683c\uff1a<\/strong> \u5404\u5165\u529b\u7aef\u5b50\u307e\u305f\u306f\u30d2\u30e5\u30fc\u30ba\u4f4d\u7f6e\u304c\u3001\u4e88\u60f3\u3055\u308c\u308b\u6700\u5927\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u6d41\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u300215A Isc\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5834\u5408\u3001\u7d0418.75A\uff0815A\u00d71.25\uff09\u306e\u5206\u5c90\u5b9a\u683c\u304c\u5fc5\u8981\u3067\u3059\u3002\u6700\u65b0\u306e\u9ad8\u6027\u80fd\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u306f\u3001\u6700\u592721A\u306e\u5206\u5c90\u96fb\u6d41\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u6b21\u4e16\u4ee3\u306e\u4e21\u9762\u30d1\u30cd\u30eb\u306b\u5bfe\u5fdc\u3057\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u6280\u8853\u306e\u9032\u5316\u306b\u5bfe\u5fdc\u3059\u308b\u30d8\u30c3\u30c9\u30eb\u30fc\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u9078\u629e\u3057\u305fOCPD\uff08PV\u5b9a\u683c\u30d2\u30e5\u30fc\u30ba\u307e\u305f\u306f<a href=\"https:\/\/test.viox.com\/ja\/mcb\/\"> DC\u906e\u65ad\u5668<\/a>\uff09\u304c\u3001\u5206\u5c90\u5b9a\u683c\u3068\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u6700\u5927\u76f4\u5217\u30d2\u30e5\u30fc\u30ba\u4ed5\u69d8\u306e\u4e21\u65b9\u306b\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>\u51fa\u529b\u30d0\u30b9\u30d0\u30fc\u8a31\u5bb9\u96fb\u6d41\uff1a<\/strong> \u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u306e\u5408\u8a08\u51fa\u529b\u5bb9\u91cf\u304c\u3001\u5b8c\u5168\u306b\u62e1\u5f35\u3055\u308c\u305f\u3001\u4f4e\u6e1b\u3055\u308c\u305f\u96fb\u6d41\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002469A\u9023\u7d9a\uff08\u4f4e\u6e1b\uff09\u306e20\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u4f8b\u3067\u306f\u3001500A\u4ee5\u4e0a\u306e\u5b9a\u683c\u306e\u30d0\u30b9\u30d0\u30fc\u3068\u51fa\u529b\u7aef\u5b50\u304c\u5fc5\u8981\u3067\u3059\u3002VIOX\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306f\u3001\u9023\u7d9a\u30d0\u30b9\u30d0\u30fc\u5b9a\u683c\u3068\u77ed\u7d61\u30d0\u30b9\u30d0\u30fc\u5b9a\u683c\u306e\u4e21\u65b9\u3092\u6307\u5b9a\u3057\u3001\u5730\u7d61\u3084\u30a2\u30ec\u30a4\u306e\u4e0d\u4e00\u81f4\u3092\u542b\u3080\u3059\u3079\u3066\u306e\u6761\u4ef6\u4e0b\u3067\u5b89\u5168\u306a\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>VIOX\u88fd\u54c1\u306e\u4f8b\uff1a<\/strong> VIOX VSC-24-1000\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306f\u300124\u500b\u306e\u5165\u529b\u4f4d\u7f6e\u30011000 Vdc\u5b9a\u683c\u3001\u4f4d\u7f6e\u3042\u305f\u308a21A\u306e\u5206\u5c90\u5bb9\u91cf\u3001\u304a\u3088\u3073600A\u306e\u51fa\u529b\u30d0\u30b9\u30d0\u30fc\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u9ad8\u96fb\u6d41\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u306612\u301c20\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u6210\u9577\u3092\u8a08\u753b\u3057\u3066\u3044\u308b\u5546\u696d\u7528\u8a2d\u7f6e\u306b\u6700\u9069\u3067\u3059\u3002\u71b1\u7ba1\u7406\u6a5f\u80fd\u3092\u5099\u3048\u305fIP67\u5b9a\u683c\u306e\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306f\u3001\u904e\u9177\u306a\u5c4b\u5916\u74b0\u5883\u3067\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3057\u3001\u30e2\u30b8\u30e5\u30e9\u30fc\u30d2\u30e5\u30fc\u30ba\u8a2d\u8a08\u306b\u3088\u308a\u3001\u30a2\u30ec\u30a4\u306e\u62e1\u5f35\u306b\u5408\u308f\u305b\u3066\u6bb5\u968e\u7684\u306a\u4eba\u53e3\u5897\u52a0\u304c\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/professional-expansion-sizing-flowchart-for-viox-solar-combiner-box-showing-methodology-from-current-strings-through-derating-factors-to-final-specification-with-nec-compliance.webp\" alt=\"Professional expansion sizing flowchart for VIOX solar combiner box showing methodology from current strings through derating factors to final specification with NEC compliance\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">\u73fe\u5728\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u304b\u3089\u4f4e\u6e1b\u4fc2\u6570\u3001NEC\u6e96\u62e0\u306e\u6700\u7d42\u4ed5\u69d8\u307e\u3067\u306e\u65b9\u6cd5\u8ad6\u3092\u793a\u3059VIOX\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u5c02\u9580\u7684\u306a\u62e1\u5f35\u30b5\u30a4\u30b8\u30f3\u30b0\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8<\/figcaption><\/figure>\n<h2>\u5b9f\u969b\u306e\u30b5\u30a4\u30b8\u30f3\u30b0\u306e\u4f8b\uff1a12\u30b9\u30c8\u30ea\u30f3\u30b0\u304b\u308920\u30b9\u30c8\u30ea\u30f3\u30b0\u3078<\/h2>\n<p>\u65b9\u6cd5\u8ad6\u3092\u78ba\u56fa\u305f\u308b\u3082\u306e\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u5b8c\u5168\u306a\u5b9f\u969b\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u691c\u8a0e\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002.<\/p>\n<p><strong>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\uff1a<\/strong><\/p>\n<ul>\n<li>\u73fe\u5728\u306e\u8a2d\u7f6e\uff1a12\u30b9\u30c8\u30ea\u30f3\u30b0<\/li>\n<li>\u8a08\u753b\u3055\u308c\u3066\u3044\u308b\u62e1\u5f35\uff1a3\u5e74\u4ee5\u5185\u306b20\u30b9\u30c8\u30ea\u30f3\u30b0<\/li>\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u4ed5\u69d8\uff1aVoc = 50V\u3001Isc = 11A\uff08\u73fe\u5728\uff09\u3001\u5c06\u6765\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306fIsc = 14A\u3092\u60f3\u5b9a<\/li>\n<li>\u30b9\u30c8\u30ea\u30f3\u30b0\u69cb\u6210\uff1a12\u500b\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u76f4\u5217\u63a5\u7d9a<\/li>\n<li>\u5834\u6240\uff1a\u9ad8\u6e29\u6c17\u5019\u3001\u4e88\u60f3\u3055\u308c\u308b\u5468\u56f2\u6e29\u5ea650\u2103<\/li>\n<li>\u30b5\u30a4\u30c8\u96fb\u5727\u88dc\u6b63\u4fc2\u6570\uff08\u4f4e\u6e29\u6642\uff09\uff1aCv = 1.12<\/li>\n<\/ul>\n<p><strong>\u30b9\u30c6\u30c3\u30d71 \u2013 \u96fb\u6d41\u8981\u4ef6\u306e\u8a08\u7b97\uff1a<\/strong><\/p>\n<ul>\n<li>Vmax = 50V \u00d7 12\u30e2\u30b8\u30e5\u30fc\u30eb \u00d7 1.12 = 672 Vdc \u2192 1000 Vdc\u5b9a\u683c\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u3092\u9078\u629e<\/li>\n<li>\u73fe\u5728\u306e\u30b9\u30c8\u30ea\u30f3\u30b0Imax = 11A \u00d7 1.25 = 13.75A<\/li>\n<li>\u73fe\u5728\u306e\u7d50\u5408Imax = 12\u30b9\u30c8\u30ea\u30f3\u30b0 \u00d7 13.75A = 165A<\/li>\n<li>\u96fb\u7dda\u8a31\u5bb9\u96fb\u6d41\uff08\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u524d\uff09= 165A \u00d7 1.25 = 206A<\/li>\n<\/ul>\n<p><strong>\u30b9\u30c6\u30c3\u30d72 \u2013 \u62e1\u5f35\u306e\u4e88\u6e2c\uff1a<\/strong><\/p>\n<ul>\n<li>\u76ee\u6a19\u30b9\u30c8\u30ea\u30f3\u30b0\u6570\uff1a20<\/li>\n<li>\u5c06\u6765\u306e\u30e2\u30b8\u30e5\u30fc\u30ebIsc\uff1a14A\uff08\u4e21\u9762\/\u9ad8\u96fb\u6d41\u6280\u8853\u306e\u63a7\u3048\u3081\u306a\u898b\u7a4d\u3082\u308a\uff09<\/li>\n<\/ul>\n<p><strong>\u30b9\u30c6\u30c3\u30d73 \u2013 \u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u30de\u30fc\u30b8\u30f3\u306e\u9069\u7528\uff1a<\/strong><\/p>\n<ul>\n<li>\u5c06\u6765\u306e\u6700\u5927\u7d50\u5408\u96fb\u6d41 = 20 \u00d7 14A \u00d7 1.25 = 350A<\/li>\n<li>\u96fb\u7dda\u8a31\u5bb9\u96fb\u6d41\u8981\u4ef6 = 350A \u00d7 1.25 = 437.5A<\/li>\n<li>\u6e29\u5ea6\u88dc\u6b63\uff0850\u2103\u3001NEC\u8868310.15\uff09\u2248 \u9285\u306e\u5834\u54080.82<\/li>\n<li>\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u305f\u96fb\u7dda\u8981\u4ef6 = 437.5A \u00f7 0.82 \u2248 533A<\/li>\n<li>\u62e1\u5f35\u30de\u30fc\u30b8\u30f3\u3092\u8ffd\u52a0 = 533A \u00d7 1.20 \u2248 640A<\/li>\n<\/ul>\n<p><strong>\u30b9\u30c6\u30c3\u30d74 \u2013 \u6a5f\u5668\u306e\u4ed5\u69d8\uff1a<\/strong><\/p>\n<ul>\n<li>\u5165\u529b\u30dd\u30b8\u30b7\u30e7\u30f3\uff1a24\uff08\u76ee\u6a19\u306e20\u306b\u30de\u30fc\u30b8\u30f3\u3092\u52a0\u3048\u305f\u6570\u3092\u53ce\u5bb9\uff09<\/li>\n<li>\u30d6\u30e9\u30f3\u30c1\u5b9a\u683c\uff1a\u5404\u30dd\u30b8\u30b7\u30e7\u30f321A\uff0814A \u00d7 1.25 = 17.5A\u3092\u30d8\u30c3\u30c9\u30eb\u30fc\u30e0\u4ed8\u304d\u3067\u30b5\u30dd\u30fc\u30c8\uff09<\/li>\n<li>\u51fa\u529b\u30d0\u30b9\u30d0\u30fc\uff1a\u6700\u5c0f650A\u306e\u9023\u7d9a\u5b9a\u683c<\/li>\n<li>\u96fb\u5727\uff1a1000 Vdc<\/li>\n<li>OCPD\uff1aPV\u5b9a\u683c\u30d2\u30e5\u30fc\u30ba\u3001\u73fe\u5728\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u306b\u306f15A\u3001\u5c06\u6765\u306b\u306f20A\uff08\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u6700\u5927\u76f4\u5217\u30d2\u30e5\u30fc\u30ba\u5236\u9650\u5185\uff09<\/li>\n<\/ul>\n<p><strong>\u7d50\u679c\uff1a<\/strong> VIOX VSC-24-1000\u307e\u305f\u306f\u540c\u7b49\u306e\u88fd\u54c1\u3092\u6307\u5b9a\uff1a24\u30dd\u30b8\u30b7\u30e7\u30f3\u30011000 Vdc\u300121A\u30d6\u30e9\u30f3\u30c1\u3001650A+\u30d0\u30b9\u30d0\u30fc\u3002\u6700\u521d\u306b12\u30dd\u30b8\u30b7\u30e7\u30f3\u306b15A\u30d2\u30e5\u30fc\u30ba\u3068\u4e00\u81f4\u3059\u308b\u30b9\u30c8\u30ea\u30f3\u30b0\u914d\u7dda\u3092\u5b9f\u88c5\u3057\u307e\u3059\u30028\u301c12\u30dd\u30b8\u30b7\u30e7\u30f3\u3092\u62e1\u5f35\u7528\u306b\u4e88\u7d04\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u5f8c\u3001\u51fa\u529b\u5c0e\u4f53\u306f650A\u7528\u306b\u30b5\u30a4\u30ba\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p>\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u6700\u5c0f\u9650\u306e\u30b5\u30a4\u30ba\u306e12\u30dd\u30b8\u30b7\u30e7\u30f3\u30b3\u30f3\u30d0\u30a4\u30ca\u3088\u308a\u3082\u521d\u671f\u8cbb\u7528\u304c\u7d0415\u301c20\uff05\u9ad8\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u30d5\u30a7\u30fc\u30ba2\u4e2d\u306e\u4ea4\u63db\u30b3\u30b9\u30c8\u3001\u8a31\u53ef\u3001\u304a\u3088\u3073\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306e\u5fc5\u8981\u6027\u3092\u6392\u9664\u3057\u3001\u62e1\u5f35\u8a08\u753b\u30674\uff1a1\u306eROI\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/close-up-interior-view-of-viox-solar-combiner-box-showing-pv-rated-fuses-dc-circuit-breakers-copper-busbars-and-spare-positions-available-for-future-string-expansion-in-modular-design.webp\" alt=\"Close-up interior view of VIOX solar combiner box showing PV-rated fuses, DC circuit breakers, copper busbars, and spare positions available for future string expansion in modular design\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">VIOX\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30dc\u30c3\u30af\u30b9\u306e\u30af\u30ed\u30fc\u30ba\u30a2\u30c3\u30d7\u5185\u90e8\u56f3\u3002PV\u5b9a\u683c\u30d2\u30e5\u30fc\u30ba\u3001DC\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3001\u9285\u30d0\u30b9\u30d0\u30fc\u3001\u304a\u3088\u3073\u30e2\u30b8\u30e5\u30fc\u30eb\u5f0f\u8a2d\u8a08\u3067\u306e\u5c06\u6765\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u62e1\u5f35\u306b\u4f7f\u7528\u3067\u304d\u308b\u4e88\u5099\u306e\u30dd\u30b8\u30b7\u30e7\u30f3\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/figcaption><\/figure>\n<h2>\u56de\u907f\u3059\u3079\u304d\u4e00\u822c\u7684\u306a\u30b5\u30a4\u30b8\u30f3\u30b0\u306e\u8aa4\u308a<\/h2>\n<p>\u7d4c\u9a13\u8c4a\u5bcc\u306a\u8a2d\u8a08\u8005\u3067\u3055\u3048\u3001\u62e1\u5f35\u7528\u306b\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30dc\u30c3\u30af\u30b9\u3092\u30b5\u30a4\u30b8\u30f3\u30b0\u3059\u308b\u969b\u306b\u4e88\u6e2c\u53ef\u80fd\u306a\u843d\u3068\u3057\u7a74\u306b\u9665\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8aa4\u308a\u3092\u8a8d\u8b58\u3059\u308b\u3053\u3068\u3067\u3001\u6642\u9593\u3068\u4e88\u7b97\u3092\u7bc0\u7d04\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p><strong>\u5165\u529b\u30dd\u30b8\u30b7\u30e7\u30f3\u306e\u904e\u5c0f\u30d7\u30ed\u30d3\u30b8\u30e7\u30cb\u30f3\u30b0\uff1a<\/strong> \u4eca\u65e5\u5fc5\u8981\u306a\u30dd\u30b8\u30b7\u30e7\u30f3\u306e\u6570\u3092\u6b63\u78ba\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u2014\u300c16\u30b9\u30c8\u30ea\u30f3\u30b0\u3042\u308b\u306e\u3067\u300116\u30dd\u30b8\u30b7\u30e7\u30f3\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u3092\u8cfc\u5165\u3057\u307e\u3059\u300d\u2014\u304c\u6700\u3082\u983b\u7e41\u306a\u30a8\u30e9\u30fc\u3067\u3059\u3002\u62e1\u5f35\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u5834\u5408\u3001\u30e6\u30cb\u30c3\u30c8\u5168\u4f53\u3092\u4ea4\u63db\u3059\u308b\u304b\u3001\u4e0b\u6d41\u306b2\u756a\u76ee\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u3092\u8a2d\u7f6e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u8907\u96d1\u3055\u3068\u30b3\u30b9\u30c8\u304c\u5897\u52a0\u3057\u307e\u3059\u3002\u5e38\u306b\u30de\u30fc\u30b8\u30f3\u4ed8\u304d\u3067\u6b21\u306b\u5229\u7528\u53ef\u80fd\u306a\u30dd\u30b8\u30b7\u30e7\u30f3\u6570\u306b\u5207\u308a\u4e0a\u3052\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>\u71b1\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u7121\u8996\uff1a<\/strong> \u30b3\u30f3\u30d0\u30a4\u30ca\u306e\u9298\u677f\u8a31\u5bb9\u96fb\u6d41\u3092\u3001NEC\u6e29\u5ea6\u88dc\u6b63\u3092\u9069\u7528\u305b\u305a\u306b\u7d76\u5bfe\u5bb9\u91cf\u3068\u3057\u3066\u6271\u3046\u3068\u3001\u904e\u5927\u306a\u30b5\u30a4\u30ba\u306e\u5c0e\u4f53\u304c\u7aef\u5b50\u3092\u6eb6\u304b\u3057\u305f\u308a\u3001\u4e0d\u8981\u306a\u30d6\u30ec\u30fc\u30ab\u30fc\u30c8\u30ea\u30c3\u30d7\u304c\u767a\u751f\u3057\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u76f4\u5c04\u65e5\u5149\u306e\u5f53\u305f\u308b\u5c4b\u5916\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306f\u3001\u5185\u90e8\u306760\u301c70\u2103\u306b\u9054\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002VIOX Electric\u306f\u3001\u71b1\u30d8\u30c3\u30c9\u30eb\u30fc\u30e0\u3092\u7d44\u307f\u8fbc\u3093\u3060\u30b3\u30f3\u30d0\u30a4\u30ca\u3092\u8a2d\u8a08\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5c0e\u4f53\u306e\u30b5\u30a4\u30b8\u30f3\u30b0\u306b\u306f\u3001\u30b3\u30fc\u30c9\u3067\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u8a31\u5bb9\u96fb\u6d41\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u4e92\u63db\u6027\u306e\u306a\u3044OCPD\u5b9a\u683c\u306e\u6df7\u5728\uff1a<\/strong> \u6700\u521d\u306f15A\u30d2\u30e5\u30fc\u30ba\u3092\u53d6\u308a\u4ed8\u3051\u3001\u5f8c\u3067\u9ad8\u96fb\u6d41\u30e2\u30b8\u30e5\u30fc\u30eb\u7528\u306b25A\u30d2\u30e5\u30fc\u30ba\u3092\u8ffd\u52a0\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u5143\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u5c0e\u4f53\u304c\u4fdd\u8b77\u306e\u5f37\u5316\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u5371\u967a\u306a\u9006\u9001\u96fb\u72b6\u614b\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u4e88\u60f3\u3055\u308c\u308b\u6700\u9ad8\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u6d41\u306b\u4e00\u81f4\u3059\u308b\u5358\u4e00\u306eOCPD\u5b9a\u683c\u3067\u6a19\u6e96\u5316\u3059\u308b\u304b\u3001\u3069\u306e\u30dd\u30b8\u30b7\u30e7\u30f3\u304c\u3069\u306e\u5b9a\u683c\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u304b\u3092\u660e\u78ba\u306b\u6587\u66f8\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>\u67d4\u8edf\u6027\u306e\u306a\u3044\u30b3\u30f3\u30d0\u30a4\u30ca\u306e\u914d\u7f6e\uff1a<\/strong> \u30b3\u30f3\u30d0\u30a4\u30ca\u3092\u4eca\u65e5\u306e\u914d\u5217\u306e\u7aef\u306b\u914d\u7f6e\u3059\u308b\u3068\u3001\u5225\u306e\u65b9\u5411\u306b\u62e1\u5f35\u3059\u308b\u3068\u304d\u306b\u3001\u9577\u304f\u3066\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u5c0e\u4f53\u914d\u7dda\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u30b3\u30f3\u30d0\u30a4\u30ca\u306e\u914d\u7f6e\u306f\u3001\u30d5\u30a7\u30fc\u30ba1\u3060\u3051\u3067\u306a\u304f\u3001\u6700\u7d42\u7684\u306a\u914d\u5217\u30d5\u30c3\u30c8\u30d7\u30ea\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u4e2d\u592e\u306b\u306a\u308b\u3088\u3046\u306b\u8a08\u753b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u521d\u671f\u8a2d\u7f6e\u4e2d\u306b\u3001\u5c06\u6765\u306e\u62e1\u5f35\u30be\u30fc\u30f3\u3078\u306e\u30d7\u30eb\u30dc\u30c3\u30af\u30b9\u3068\u30b3\u30f3\u30b8\u30c3\u30c8\u914d\u7dda\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u7701\u7565\uff1a<\/strong> NEC\u8a08\u7b97\u3001\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u524d\u63d0\u3001\u304a\u3088\u3073\u62e1\u5f35\u306e\u6839\u62e0\u3092\u8a18\u9332\u3057\u306a\u3044\u3068\u3001\u6b21\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3042\u306a\u305f\u306e\u610f\u56f3\u3092\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u904e\u5ea6\u306b\u4fdd\u5b88\u7684\u306a\u4ea4\u63db\u307e\u305f\u306f\u5b89\u5168\u3067\u306a\u3044\u4eee\u5b9a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u7ae3\u5de5\u56f3\u304a\u3088\u3073O&amp;M\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u3001\u96fb\u5727\u3001\u96fb\u6d41\u3001\u6e29\u5ea6\u88dc\u6b63\u3001\u304a\u3088\u3073\u30dd\u30b8\u30b7\u30e7\u30f3\u306e\u5272\u308a\u5f53\u3066\u3092\u6587\u66f8\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u5c06\u6765\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u62e1\u5f35\u7528\u306b\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30dc\u30c3\u30af\u30b9\u3092\u30b5\u30a4\u30b8\u30f3\u30b0\u3059\u308b\u3053\u3068\u306f\u3001\u5f53\u3066\u63a8\u91cf\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u4f53\u7cfb\u7684\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3067\u3059\u3002NEC 690\u306b\u5f93\u3063\u3066\u96fb\u6d41\u8981\u4ef6\u3092\u8a08\u7b97\u3057\u3001\u73fe\u5b9f\u7684\u306a\u6210\u9577\u3092\u4e88\u6e2c\u3057\u3001\u9069\u5207\u306a\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u4fc2\u6570\u3092\u9069\u7528\u3057\u3001\u9069\u5207\u306a\u30dd\u30b8\u30b7\u30e7\u30f3\u6570\u3068\u8a31\u5bb9\u96fb\u6d41\u30d8\u30c3\u30c9\u30eb\u30fc\u30e0\u3092\u5099\u3048\u305f\u6a5f\u5668\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u9014\u4e2d\u3067\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u4ea4\u63db\u3092\u305b\u305a\u306b\u52b9\u7387\u7684\u306b\u62e1\u5f35\u3067\u304d\u308bPV\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p>VIOX Electric\u306f\u3001\u62e1\u5f35\u53ef\u80fd\u306a\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u5358\u306a\u308b\u8ffd\u52a0\u306e\u7aef\u5b50\u4ee5\u4e0a\u306e\u3082\u306e\u304c\u5fc5\u8981\u3067\u3042\u308b\u3053\u3068\u3092\u7406\u89e3\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u5f0f\u30bd\u30fc\u30e9\u30fc\u30b3\u30f3\u30d0\u30a4\u30ca\u30dc\u30c3\u30af\u30b9\u88fd\u54c1\u30e9\u30a4\u30f3\u306f\u3001\u71b1\u7ba1\u7406\u3001\u9ad8\u3044\u30d6\u30e9\u30f3\u30c1\u96fb\u6d41\u5bb9\u91cf\uff08\u6700\u592721A\uff09\u3001\u304a\u3088\u3073IP67\u5c4b\u5916\u4fdd\u8b77\u3092\u7d71\u5408\u3057\u3066\u3001\u73fe\u5728\u306e\u8a2d\u7f6e\u3068\u5c06\u6765\u306e\u30d5\u30a7\u30fc\u30ba\u306e\u4e21\u65b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u30021000 Vdc\u304b\u30891500 Vdc\u306e\u96fb\u5727\u5b9a\u683c\u3068\u67d4\u8edf\u306a\u5165\u529b\u69cb\u6210\uff0816\u301c24\u30dd\u30b8\u30b7\u30e7\u30f3\uff09\u3092\u5099\u3048\u305fVIOX\u30b3\u30f3\u30d0\u30a4\u30ca\u306f\u3001\u6210\u9577\u306e\u305f\u3081\u306e\u6280\u8853\u7684\u57fa\u76e4\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<p>\u6b21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u305f\u3081\u306b\u3001\u5c06\u6765\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u30b3\u30f3\u30d0\u30a4\u30ca\u306e\u4ed5\u69d8\u3092\u6c7a\u5b9a\u3059\u308b\u6e96\u5099\u306f\u3067\u304d\u307e\u3057\u305f\u304b\uff1f<a href=\"https:\/\/test.viox.com\/ja\/contact\/\"> VIOX Electric\u3078\u306e\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u2018\u62e1\u5f35\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\u3055\u308c\u305f\u30b5\u30a4\u30b8\u30f3\u30b0\u30b3\u30f3\u30b5\u30eb\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u6280\u8853\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3001\u304a\u3088\u3073\u30ab\u30b9\u30bf\u30e0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u306f\u3001\u5f53\u793e\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002\u3042\u306a\u305f\u306e\u91ce\u5fc3\u3068\u3068\u3082\u306b\u6210\u9577\u3059\u308b\u30bd\u30fc\u30e9\u30fc\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u69cb\u7bc9\u3057\u307e\u3057\u3087\u3046\u3002.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1828.98px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1828.98px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4847.55px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4847.55px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 6422.38px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 6422.38px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4793.05px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4793.05px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction When designing photovoltaic installations, few decisions carry as much long-term impact as properly sizing your solar combiner box. This critical junction point collects multiple PV strings into a single, higher-current output\u2014and undersizing it today can force expensive equipment replacement when you&#8217;re ready to expand tomorrow. According to field data from commercial solar contractors, nearly 40% of expansion projects face delays or cost overruns because the original combiner box lacked adequate capacity for additional strings. The good news: with systematic planning and proper application of NEC Article 690 requirements, you can size a solar combiner box that accommodates both your current installation and future string additions without over-engineering or wasting [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20833,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-20830","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/20830","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/comments?post=20830"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/20830\/revisions"}],"predecessor-version":[{"id":20832,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/20830\/revisions\/20832"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media\/20833"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media?parent=20830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/categories?post=20830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/tags?post=20830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}