{"id":4950,"date":"2025-11-30T04:33:54","date_gmt":"2025-11-30T04:33:54","guid":{"rendered":"https:\/\/www.kmdpower.com\/?p=4950"},"modified":"2025-11-30T04:33:55","modified_gmt":"2025-11-30T04:33:55","slug":"how-to-calculate-amperage-for-300-watts-at-12-volts","status":"publish","type":"post","link":"https:\/\/www.kmdpower.com\/ja\/news\/how-to-calculate-amperage-for-300-watts-at-12-volts\/","title":{"rendered":"12\u30dc\u30eb\u30c8\u3067300\u30ef\u30c3\u30c8\u306e\u30a2\u30f3\u30da\u30a2\u6570\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\uff1f"},"content":{"rendered":"<p>\u30c8\u30e9\u30c3\u30af\u7528\u306e300W\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u3084RV\u7528\u306e300W\u30d2\u30fc\u30bf\u30fc\u3092\u8cfc\u5165\u3057\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u3068\u7121\u9020\u4f5c\u306b\u5dfb\u304b\u308c\u305f\u30ef\u30a4\u30e4\u30fc\u3092\u898b\u3064\u3081\u306a\u304c\u3089\u3001\"\u3053\u308c\u306f\u4f7f\u3048\u308b\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u706b\u707d\u306e\u539f\u56e0\u306b\u306a\u308b\u306e\u304b\uff1f\"\u3068\u8003\u3048\u3066\u3044\u308b\u3002<\/p><p>\u3088\u304f\u3042\u308b\u30b7\u30ca\u30ea\u30aa\u3067\u3059\u3002\u7523\u696d\u7528\u6539\u4fee\u304b\u3089\u9060\u9694\u306e\u96fb\u6c17\u901a\u4fe1\u73fe\u5834\u307e\u3067\u3001\u30a2\u30f3\u30da\u30a2\u6570\u3092\u63a8\u6e2c\u3059\u308b\u3053\u3068\u306f\u3001\u3057\u3070\u3057\u3070\u7d76\u7e01\u4f53\u306e\u6eb6\u89e3\u3001\u30d2\u30e5\u30fc\u30ba\u306e\u6eb6\u65ad\u3001\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p><p>\u5373\u7b54\u3060\uff1a&nbsp;<strong>12V\u3067300W\u300125A\u3092\u5f15\u304d\u51fa\u3059<\/strong>.\u3057\u304b\u3057\u3001\u5b9f\u969b\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u8a08\u753b\u3092\u7acb\u3066\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002&nbsp;<strong>30\u30a2\u30f3\u30da\u30a2<\/strong>&nbsp;\u52b9\u7387\u640d\u5931\u3092\u30ab\u30d0\u30fc\u3059\u308b\u305f\u3081\u3060\u3002\u3067\u306f\u3001\u305d\u306e\u8a08\u7b97\u65b9\u6cd5\u3068\u5b89\u5168\u30eb\u30fc\u30eb\u3001\u305d\u3057\u3066300W\u306e\u6a5f\u5668\u3092\u30b7\u30ac\u30fc\u30bd\u30b1\u30c3\u30c8\u306b\u63a5\u7d9a\u3059\u3079\u304d\u3067\u306f\u306a\u3044\u7406\u7531\u3092\u8aac\u660e\u3057\u3088\u3046\u3002<\/p><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/1\u4e3b\u56fe1.jpg\" alt=\"\" class=\"wp-image-835\"\/><\/figure><p class=\"has-text-align-center\"><strong><a href=\"https:\/\/www.kmdpower.com\/ja\/12-8v-lithium-ion-battery-50ah-lfp-lithium-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u30ab\u30de\u30c0\u30d1\u30ef\u30fc 12.8V 54Ah Lifepo4 \u30d0\u30c3\u30c6\u30ea\u30fc<\/a><\/strong><\/p><h2 class=\"wp-block-heading\" id=\"the-math-calculating-amps-from-watts\">\u6570\u5b66\u30ef\u30c3\u30c8\u304b\u3089\u30a2\u30f3\u30da\u30a2\u3092\u8a08\u7b97\u3059\u308b<\/h2><p>\u8a08\u7b97\u81ea\u4f53\u306f\u7c21\u5358\u3067\u3001\u30ef\u30c3\u30c8\u306e\u6cd5\u5247\u306b\u57fa\u3065\u304f\u3002\u96fb\u529b\uff08\u30ef\u30c3\u30c8\uff09\u306f\u96fb\u5727\uff08\u30dc\u30eb\u30c8\uff09\u00d7\u96fb\u6d41\uff08\u30a2\u30f3\u30da\u30a2\uff09\u306b\u7b49\u3057\u3044\u3002<\/p><p>\u30a2\u30f3\u30da\u30a2\u3092\u6c42\u3081\u308b\u306b\u306f\u3001\u5f0f\u3092\u4e26\u3079\u66ff\u3048\u308b\uff1a<\/p><p>\u30a2\u30f3\u30da\u30a2 = \u30ef\u30c3\u30c8 \/ \u30dc\u30eb\u30c8<\/p><p>\u3064\u307e\u308a\u3001\u6a19\u6e96\u7684\u306a300W\u306e\u8ca0\u8377\u306e\u5834\u5408\uff1a<\/p><p>300W \/ 12V = 25\u30a2\u30f3\u30da\u30a2<\/p><h3 class=\"wp-block-heading\" id=\"the-efficiency-trap-\">\u52b9\u7387\u306e\u7f60<\/h3><p>25\u30a2\u30f3\u30da\u30a2\u3067\u6b62\u3081\u308b\u3068\u554f\u984c\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u307b\u3068\u3093\u3069\u306e\u6a5f\u5668\u3001\u7279\u306b&nbsp;<strong>DC-AC\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc<\/strong>100%\u306f\u52b9\u7387\u304c\u60aa\u3044\u3002\u96fb\u529b\u5909\u63db\u306e\u904e\u7a0b\u3067\u71b1\u3068\u3057\u3066\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5931\u3044\u307e\u3059\u3002<\/p><p>\u4e00\u822c\u7684\u306a\u9ad8\u54c1\u8cea\u306e\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u306f\u7d04&nbsp;<strong>85% \u52b9\u7387\u7684<\/strong>.\u3064\u307e\u308a\u3001300W\u306eAC\u96fb\u529b\u3092\u53d6\u308a\u51fa\u3059\u306b\u306f\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u304b\u3089300W\u4ee5\u4e0a\u306e\u96fb\u529b\u3092\u5f15\u304d\u51fa\u3059\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p><p>\u3053\u308c\u304c\u6b63\u3057\u3044\u8a08\u7b97\u3060\uff1a<\/p><p>\u5165\u529b\u96fb\u529b = \u51fa\u529b\u96fb\u529b \/ \u52b9\u7387<\/p><p>300W \/ 0.85 = 353\u30ef\u30c3\u30c8\uff08\u5165\u529b\u96fb\u529b\uff09<\/p><p>\u30a2\u30f3\u30da\u30a2\uff1d353W \/ 12V&nbsp;<strong>29.4\u30a2\u30f3\u30da\u30a2<\/strong><\/p><p>\u3054\u89a7\u306e\u901a\u308a\u3001\u5b9f\u969b\u306e\u6d88\u8cbb\u96fb\u6d41\u306f30\u30a2\u30f3\u30da\u30a2\u306b\u8fd1\u3044\u3002\u30d2\u30e5\u30fc\u30ba\u306e\u30b5\u30a4\u30ba\u309225A\u3061\u3087\u3046\u3069\u306b\u3059\u308b\u3068\u3001\u983b\u7e41\u306b\u5207\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3002<\/p><h2 class=\"wp-block-heading\" id=\"critical-safety-wire-gauge-fuse-sizing\">\u91cd\u8981\u306a\u5b89\u5168\u6027\u30ef\u30a4\u30e4\u30fc\u30b2\u30fc\u30b8\u3068\u30d2\u30e5\u30fc\u30ba\u306e\u30b5\u30a4\u30b8\u30f3\u30b0<\/h2><p>\u4eca\u3001\u79c1\u305f\u3061\u304c\u6271\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u304a\u3088\u305d\u6b21\u306e\u3088\u3046\u306a\u96fb\u6d41\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u305f\u3002&nbsp;<strong>30\u30a2\u30f3\u30da\u30a2<\/strong>\u9069\u5207\u306a\u30ef\u30a4\u30e4\u30fc\u3068\u30d2\u30e5\u30fc\u30ba\u3092\u9078\u3076\u5fc5\u8981\u304c\u3042\u308b\u3002\u30ef\u30a4\u30e4\u30fc\u3092\u30db\u30fc\u30b9\u3001\u30a2\u30f3\u30da\u30a2\u3092\u6c34\u5727\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u5c0f\u3055\u306a\u30db\u30fc\u30b9\u306b\u9ad8\u5727\u3092\u7121\u7406\u306b\u304b\u3051\u308b\u3068\u7834\u88c2\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u540c\u69d8\u306b\u3001\u30b5\u30a4\u30ba\u306e\u5c0f\u3055\u3044\u30ef\u30a4\u30e4\u30fc\u306f\u904e\u71b1\u3057\u3066\u6eb6\u3051\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\" id=\"the-fuse-rule-1-25x-safety-factor\">\u30d2\u30e5\u30fc\u30ba\u30fb\u30eb\u30fc\u30eb\uff1a\u5b89\u5168\u4fc2\u65701.25\u500d<\/h3><p>\u30d2\u30e5\u30fc\u30ba\u306e\u30b5\u30a4\u30ba\u3092\u60f3\u5b9a\u8ca0\u8377\u306b\u3074\u3063\u305f\u308a\u5408\u308f\u305b\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u8d77\u52d5\u6642\u306e\u30b5\u30fc\u30b8\uff08\u7a81\u5165\u96fb\u6d41\uff09\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u696d\u754c\u6a19\u6e96\u306f\u3001\u4ee5\u4e0b\u306e\u5b89\u5168\u4fc2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002&nbsp;<strong>1.25x<\/strong>.<\/p><p>29.4\u30a2\u30f3\u30da\u30a2\u00d71.25\uff1d36.75\u30a2\u30f3\u30da\u30a2<\/p><p>36.75A\u306e\u30d2\u30e5\u30fc\u30ba\u306f\u6a19\u6e96\u7684\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u6b21\u306e\u4e00\u822c\u7684\u306a\u30b5\u30a4\u30ba\u306b\u5207\u308a\u4e0a\u3052\u3066\u304f\u3060\u3055\u3044\u3002&nbsp;<strong>\u8a55\u6c7a\uff1a<\/strong>&nbsp;\u3092\u4f7f\u7528\u3059\u308b\u3002&nbsp;<strong>40\u30a2\u30f3\u30da\u30a2\u30d2\u30e5\u30fc\u30ba<\/strong>.<\/p><h3 class=\"wp-block-heading\" id=\"the-wire-rule-don-t-choke-the-current\">\u30ef\u30a4\u30e4\u30fc\u306e\u30eb\u30fc\u30eb\u96fb\u6d41\u3092\u6b62\u3081\u306a\u3044<\/h3><p>\u30ef\u30a4\u30e4\u30fc\u306e\u592a\u3055\u306fAWG\uff08\u30a2\u30e1\u30ea\u30ab\u30f3\u30fb\u30ef\u30a4\u30e4\u30fc\u30fb\u30b2\u30fc\u30b8\uff09\u3067\u6e2c\u5b9a\u3055\u308c\u3001\u6570\u5b57\u304c\u5c0f\u3055\u3044\u307b\u3069\u592a\u3044\u3053\u3068\u3092\u793a\u3059\u3002<\/p><p>\u9023\u7d9a30A\u8ca0\u8377\u306e\u5834\u5408\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>0\uff5e10\u30d5\u30a3\u30fc\u30c8<\/strong>\u00a0\u7528\u9014\u00a0<strong>10 AWG<\/strong>.\u3053\u308c\u306f\u3001\u96fb\u5727\u964d\u4e0b\u30923%\u4ee5\u4e0b\u306b\u6291\u3048\u308b\u305f\u3081\u306e\u6700\u5c0f\u5024\u3067\u3042\u308b\u3002<\/li>\n\n<li><strong>10\uff5e20\u30d5\u30a3\u30fc\u30c8\uff1a<\/strong>\u00a0\u305d\u306e\u65b9\u304c\u5b89\u5168\u3060\u00a0<strong>8 AWG<\/strong>\u00a0\u9577\u8ddd\u96e2\u3067\u306e\u96fb\u5727\u964d\u4e0b\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3002<\/li><\/ul><p>\u7d30\u3059\u304e\u308b\u96fb\u7dda\uff0814AWG\u306a\u3069\uff09\u3092\u4f7f\u7528\u3059\u308b\u3068\u62b5\u6297\u304c\u5927\u304d\u304f\u306a\u308a\u3001\u767a\u71b1\u3057\u3066\u96fb\u5727\u304c\u5927\u5e45\u306b\u4f4e\u4e0b\u3057\u3001\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u306e\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3084\u706b\u707d\u306e\u539f\u56e0\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\" id=\"can-i-use-the-cigarette-lighter-socket-\">\u30b7\u30ac\u30fc\u30bd\u30b1\u30c3\u30c8\u306f\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/h2><p>\u3088\u304f\u3042\u308b\u8cea\u554f\u306f\u3001300W\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u309212V\u88dc\u52a9\u30dd\u30fc\u30c8\u306b\u63a5\u7d9a\u3067\u304d\u308b\u304b\u3068\u3044\u3046\u3082\u306e\u3060\u3002<\/p><p><strong>\u8a55\u6c7a\uff1a\u7d76\u5bfe\u306b\u30c0\u30e1\u3060\u3002<\/strong><\/p><p>\u305d\u306e\u7406\u7531\u306f\u3053\u3046\u3060\uff1a\u307b\u3068\u3093\u3069\u306e\u8eca\u306e\u30b7\u30ac\u30fc\u30e9\u30a4\u30bf\u30fc\u30bd\u30b1\u30c3\u30c8\u306e\u30d2\u30e5\u30fc\u30ba\u306f\u6700\u5927\u3067&nbsp;<strong>10\u307e\u305f\u306f15\u30a2\u30f3\u30da\u30a2<\/strong>.<\/p><ul class=\"wp-block-list\"><li><strong>\u30bd\u30b1\u30c3\u30c8\u30ea\u30df\u30c3\u30c8\uff1a<\/strong>\u00a0~180\u30ef\u30c3\u30c8\uff0815A\u6642\uff09\u3002<\/li>\n\n<li><strong>\u3042\u306a\u305f\u306e\u8ca0\u8377<\/strong>\u00a0350\u30ef\u30c3\u30c8\u4ee5\u4e0a\uff0830\u30a2\u30f3\u30da\u30a2\u8fd1\u304f\uff09\u3002<\/li><\/ul><p>300W\u306e\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u309215A\u306e\u30bd\u30b1\u30c3\u30c8\u306b\u5dee\u3057\u8fbc\u3080\u3068\u3001\u5373\u5ea7\u306b\u8eca\u4e21\u306e\u30d2\u30e5\u30fc\u30ba\u304c\u5207\u308c\u308b\u3002\u6700\u60aa\u306e\u5834\u5408\u3001\u8ab0\u304b\u304c\u30d2\u30e5\u30fc\u30ba\u3092\u3088\u308a\u5b9a\u683c\u306e\u9ad8\u3044\u3082\u306e\u306b\u4e0d\u9069\u5207\u306b\u4ea4\u63db\u3057\u305f\u5834\u5408\u3001\u8eca\u4e21\u306e\u30ef\u30a4\u30e4\u30fc\u30cf\u30fc\u30cd\u30b9\u3092\u6eb6\u304b\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p><p><strong>\u89e3\u6c7a\u7b56<\/strong>&nbsp;\u9069\u5207\u306a\u30b5\u30a4\u30ba\uff0810AWG\u307e\u305f\u306f\u305d\u308c\u4ee5\u4e0a\u306e\u592a\u3055\uff09\u306e\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30d0\u30a4\u30b9\u3092\u30d0\u30c3\u30c6\u30ea\u30fc\u307e\u305f\u306f\u5c02\u7528\u914d\u96fb\u30d6\u30ed\u30c3\u30af\u306b\u76f4\u63a5\u30cf\u30fc\u30c9\u30ef\u30a4\u30e4\u30ea\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\" id=\"battery-solar-sizing-how-long-will-it-run-\">\u30d0\u30c3\u30c6\u30ea\u30fc\u3068\u30bd\u30fc\u30e9\u30fc\u306e\u30b5\u30a4\u30b8\u30f3\u30b0: \u3069\u308c\u304f\u3089\u3044\u306e\u671f\u9593\u7a3c\u50cd\u3059\u308b\u304b\uff1f<\/h2><p>\u30b7\u30b9\u30c6\u30e0\u304c\u7121\u4e8b\u306b\u914d\u7dda\u3055\u308c\u305f\u3089\u3001\u6b21\u306e\u554f\u984c\u306f\u8d70\u884c\u6642\u9593\u3060\u3002\u3053\u308c\u306f\u30d0\u30c3\u30c6\u30ea\u30fc\u306e\u5bb9\u91cf\u3068\u5316\u5b66\u7684\u6027\u8cea\u306b\u4f9d\u5b58\u3059\u308b\u3002\u3053\u3053\u3067\u306f&nbsp;<strong>100Ah\u30d0\u30c3\u30c6\u30ea\u30fc<\/strong>&nbsp;\u9023\u7d9a300W\u306e\u8ca0\u8377\uff08\uff5e30A\u3092\u6d88\u8cbb\uff09\u3067\u3002<\/p><ul class=\"wp-block-list\"><li><strong>\u925b\u9178\uff0fAGM\uff1a<\/strong>\u00a0\u30d0\u30c3\u30c6\u30ea\u30fc\u3092\u50b7\u3081\u308b\u3053\u3068\u306a\u304f\u5b89\u5168\u306b\u4f7f\u7528\u3067\u304d\u308b\u306e\u306f\u3001\u5bb9\u91cf\u306e\u7d0450%\u3060\u3051\u3067\u3059\u3002<ul class=\"wp-block-list\"><li><em>\u4f7f\u7528\u53ef\u80fd\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\uff1a<\/em>\u00a0~50Ah\u3002<\/li>\n\n<li><em>\u30e9\u30f3\u30bf\u30a4\u30e0\uff1a<\/em>\u00a050Ah \/ 30A = \u7d04\u00a0<strong>1.67\u6642\u9593<\/strong><\/li><\/ul><\/li>\n\n<li><strong>LiFePO4\uff08\u30ea\u30f3\u9178\u9244\u30ea\u30c1\u30a6\u30e0\uff09\uff1a<\/strong>\u00a0\u5bb9\u91cf\u306e100%\u307e\u3067\u5b89\u5168\u306b\u4f7f\u7528\u3067\u304d\u308b\u3002<ul class=\"wp-block-list\"><li><em>\u4f7f\u7528\u53ef\u80fd\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\uff1a<\/em>\u00a0~100Ah\u3002<\/li>\n\n<li><em>\u30e9\u30f3\u30bf\u30a4\u30e0\uff1a<\/em>\u00a0100Ah \/ 30A = \u7d04\u00a0<strong>3.33\u6642\u9593<\/strong><\/li><\/ul><\/li><\/ul><p>\u305d\u306e\u305f\u3081\u3001\u591a\u304f\u306e\u7523\u696d\u7528\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u306b\u79fb\u884c\u3057\u3066\u3044\u308b\u3002\u00a0<strong>LiFePO4<\/strong>\u00a0\u3042\u308b\u3044\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u65b0\u3057\u3044\u6280\u8853\u3082\u3042\u308b\u3002\u00a0<strong><a href=\"https:\/\/www.kmdpower.com\/ja\/sodium-ion-battery-manufacturers\/\" target=\"_blank\" rel=\"noreferrer noopener\">12V\u30ca\u30c8\u30ea\u30a6\u30e0\u30a4\u30aa\u30f3\u30d0\u30c3\u30c6\u30ea\u30fc<\/a><\/strong>\u6975\u7aef\u306a\u6e29\u5ea6\u74b0\u5883\u3067\u3082\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u3002<\/p><h3 class=\"wp-block-heading\" id=\"solar-context\">\u30bd\u30fc\u30e9\u30fc\u30fb\u30b3\u30f3\u30c6\u30af\u30b9\u30c8<\/h3><p>300W\u306e\u8ca0\u8377\u3092\u65e5\u4e2d\u9023\u7d9a\u7684\u306b\u52d5\u304b\u3059\u306b\u306f\u3001\u6d88\u8cbb\u96fb\u529b\u3088\u308a\u3082\u767a\u96fb\u96fb\u529b\u304c\u5fc5\u8981\u3060\u3002\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u306e\u975e\u52b9\u7387\uff08\uff5e353W\uff09\u3092\u8003\u616e\u3059\u308b\u3068\u3001\u5c11\u306a\u304f\u3068\u3082\u4ee5\u4e0b\u306e\u96fb\u529b\u304c\u5fc5\u8981\u3068\u306a\u308b\u3002&nbsp;<strong>400W\u304b\u3089500W\u306e\u30bd\u30fc\u30e9\u30fc\u30d1\u30cd\u30eb<\/strong>&nbsp;\u65e5\u7167\u6761\u4ef6\u304c\u826f\u3051\u308c\u3070\u3001\u30c9\u30ed\u30fc\u306b\u8ffd\u3044\u3064\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p><h2 class=\"wp-block-heading\" id=\"conclusion\">\u7d50\u8ad6<\/h2><p>\u30a2\u30f3\u30da\u30a2\u6570\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u306f\u3001\u5358\u306a\u308b\u6570\u5b66\u306e\u7df4\u7fd2\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8a08\u7b97\u5f0f\u3067\u306f\u00a0<strong>25\u30a2\u30f3\u30da\u30a2<\/strong>\u73fe\u5b9f\u306e\u4e16\u754c\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u8a08\u753b\u3092\u7acb\u3066\u308b\u3079\u304d\u3060\u3002\u00a0<strong>30\u30a2\u30f3\u30da\u30a2<\/strong>\u00a0\u30b7\u30ac\u30fc\u30bd\u30b1\u30c3\u30c8\u306b\u983c\u3089\u305a\u3001\u9069\u5207\u306a\u5b9a\u683c\u306e\u30d2\u30e5\u30fc\u30ba\u306810AWG\u306e\u914d\u7dda\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\uff1f\u5f53\u3066\u305a\u3063\u307d\u3046\u3067\u8003\u3048\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u9ad8\u54c1\u8cea\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u713c\u3051\u305f\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u3092\u4ea4\u63db\u3059\u308b\u3088\u308a\u3082\u5b89\u4e0a\u304c\u308a\u3067\u3059\u3002 <strong><a href=\"https:\/\/www.kmdpower.com\/ja\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u938c\u7530\u30d1\u30ef\u30fc\u3078\u306e\u304a\u554f\u3044\u5408\u308f\u305b<\/a><\/strong>\u00a0\u30ab\u30b9\u30bf\u30e0\u30d0\u30c3\u30c6\u30ea\u30fc\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u4eca\u3059\u3050<\/p><h2 class=\"wp-block-heading\" id=\"faq\">\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/h2><h3 class=\"wp-block-heading\" id=\"-q1-how-many-amps-does-a-300w-inverter-draw-at-idle-\"><strong>Q1: 300W\u306e\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u306f\u30a2\u30a4\u30c9\u30ea\u30f3\u30b0\u6642\u306b\u4f55\u30a2\u30f3\u30da\u30a2\u3092\u6d88\u8cbb\u3057\u307e\u3059\u304b\uff1f<\/strong><\/h3><p>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u306f\u3001\u7121\u8ca0\u8377\u72b6\u614b\u3067\u3082\u96fb\u6e90\u304c\u5165\u3063\u3066\u3044\u308b\u3060\u3051\u3067\u96fb\u529b\u3092\u6d88\u8cbb\u3059\u308b\u3002\u3053\u306e \"\u7121\u8ca0\u8377\u96fb\u6d41 \"\u306f\u3001300W\u306e\u30e6\u30cb\u30c3\u30c8\u3067\u306f\u4e00\u822c\u7684\u306b\u5c0f\u3055\u304f\u3001\u6b21\u306e\u7a0b\u5ea6\u3067\u3042\u308b\u3002&nbsp;<strong>0.2\uff5e0.5\u30a2\u30f3\u30da\u30a2<\/strong>.\u305f\u3060\u3057\u3001\u9577\u6642\u9593\u96fb\u6e90\u3092\u5165\u308c\u305f\u307e\u307e\u306b\u3059\u308b\u3068\u30d0\u30c3\u30c6\u30ea\u30fc\u304c\u6d88\u8017\u3057\u307e\u3059\u3002\u4f7f\u7528\u3057\u306a\u3044\u3068\u304d\u306f\u5fc5\u305a\u96fb\u6e90\u3092\u5207\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p><h3 class=\"wp-block-heading\" id=\"-q2-what-happens-if-i-use-a-wire-that-is-too-thin-\"><strong>Q2: \u7d30\u3059\u304e\u308b\u30ef\u30a4\u30e4\u30fc\u3092\u4f7f\u3046\u3068\u3069\u3046\u306a\u308a\u307e\u3059\u304b\uff1f<\/strong><\/h3><p>\u30b5\u30a4\u30ba\u306e\u5c0f\u3055\u3044\u30ef\u30a4\u30e4\u30fc\u3092\u4f7f\u3046\u3068\u3001\u4e3b\u306b2\u3064\u306e\u554f\u984c\u304c\u8d77\u3053\u308b\u3002\u7b2c\u4e00\u306b&nbsp;<strong>\u96fb\u5727\u964d\u4e0b<\/strong>\u96fb\u5727\u304c\u30d0\u30c3\u30c6\u30ea\u30fc\u306e12V\u304b\u3089\u30c7\u30d0\u30a4\u30b9\u306e10.5V\u306b\u4e0b\u304c\u308a\u3001\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u30022\u3064\u76ee\u3001&nbsp;<strong>\u71b1<\/strong>\u30ef\u30a4\u30e4\u30fc\u306e\u62b5\u6297\u306f\u96fb\u6c17\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u71b1\u306b\u5909\u3048\u3001\u7d76\u7e01\u4f53\u3092\u6eb6\u304b\u3057\u3066\u30b7\u30e7\u30fc\u30c8\u3084\u706b\u707d\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p><h3 class=\"wp-block-heading\" id=\"-q3-is-300-watts-at-12-volts-the-same-as-at-120-volts-\"><strong>Q3: 12\u30dc\u30eb\u30c8\u3067300\u30ef\u30c3\u30c8\u306f120\u30dc\u30eb\u30c8\u3068\u540c\u3058\u3067\u3059\u304b\uff1f<\/strong><\/h3><p>\u305d\u306e\u4e00\u65b9\u3067&nbsp;<em>\u30d1\u30ef\u30fc<\/em>&nbsp;\u306f\u540c\u3058\uff08300W\u306f300W\uff09\u3067\u3042\u308b\u3002&nbsp;<em>\u73fe\u5728<\/em>&nbsp;\u306f\u5927\u304d\u304f\u7570\u306a\u308b\u3002<\/p><ul class=\"wp-block-list\"><li>AC120V\u3067300W\u00a0<strong>2.5\u30a2\u30f3\u30da\u30a2<\/strong>.(\u7d30\u3044\u30ef\u30a4\u30e4\u30fc\u304c\u5fc5\u8981\uff09\u3002<\/li>\n\n<li>12V\uff08DC\uff09\u3067300W\u00a0<strong>25\u30a2\u30f3\u30da\u30a2<\/strong>.(\u592a\u3044\u30ef\u30a4\u30e4\u30fc\u304c\u5fc5\u8981\uff09\u3002<\/li><\/ul><p>\u4f4e\u96fb\u5727DC\u30b7\u30b9\u30c6\u30e0\u304c\u3001\u6a19\u6e96\u7684\u306a\u5bb6\u5ead\u7528AC\u914d\u7dda\u3088\u308a\u3082\u9069\u5207\u306a\u30ef\u30a4\u30e4\u30fc\u30b5\u30a4\u30b8\u30f3\u30b0\u306b\u654f\u611f\u306a\u306e\u306f\u3053\u306e\u305f\u3081\u3067\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u601d\u3044\u6d6e\u304b\u3079\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u30c8\u30e9\u30c3\u30af\u7528\u306e\u65b0\u3057\u3044300W\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u3084RV\u7528\u306e300W\u30d2\u30fc\u30bf\u30fc\u3092\u624b\u306b\u5165\u308c\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u3068\u7121\u9020\u4f5c\u306b\u5dfb\u304b\u308c\u305f\u30ef\u30a4\u30e4\u30fc\u3092\u898b\u3064\u3081\u306a\u304c\u3089\u3001\"\u3053\u308c\u306f\u4f7f\u3048\u308b\u306e\u3060\u308d\u3046\u304b\u3001\u305d\u308c\u3068\u3082\u706b\u707d\u306e\u539f\u56e0\u306b\u306a\u308b\u306e\u3060\u308d\u3046\u304b\uff1f\"\u3068\u8003\u3048\u3066\u3044\u308b\u3002\u3088\u304f\u3042\u308b\u30b7\u30ca\u30ea\u30aa\u3060\u3002\u7523\u696d\u7528\u306e\u6539\u9020\u304b\u3089\u9060\u9694\u5730\u306e\u96fb\u6c17\u901a\u4fe1\u73fe\u5834\u307e\u3067\u3001\u30a2\u30f3\u30da\u30a2\u6570\u3092\u63a8\u6e2c\u3059\u308b\u3053\u3068\u306f\u3001\u3057\u3070\u3057\u3070\u7d76\u7e01\u4f53\u306e\u6eb6\u878d\u3084\u96fb\u7dda\u306e\u7834\u88c2\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>","protected":false},"author":1,"featured_media":835,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[19,26],"tags":[],"class_list":["post-4950","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news_catalog","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/posts\/4950","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/comments?post=4950"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/posts\/4950\/revisions"}],"predecessor-version":[{"id":4951,"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/posts\/4950\/revisions\/4951"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/media\/835"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/media?parent=4950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/categories?post=4950"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/ja\/wp-json\/wp\/v2\/tags?post=4950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}