{"id":19965,"date":"2025-11-19T01:34:00","date_gmt":"2025-11-18T17:34:00","guid":{"rendered":"https:\/\/viox.com\/?p=19965"},"modified":"2025-11-14T13:35:32","modified_gmt":"2025-11-14T05:35:32","slug":"how-to-really-test-mccb-test-button-lie","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/how-to-really-test-mccb-test-button-lie\/","title":{"rendered":"MCCB\u3092*\u672c\u5f53\u306b*\u30c6\u30b9\u30c8\u3059\u308b\u65b9\u6cd5\uff08\u305d\u3057\u3066\u300c\u30c6\u30b9\u30c8\u300d\u30dc\u30bf\u30f3\u304c\u5618\u3067\u3042\u308b\u7406\u7531\uff09"},"content":{"rendered":"<div class=\"product-intro\">\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-19966\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button.webp\" alt=\"The 'Placebo' Button\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u3042\u306a\u305f\u306f\u73fe\u5834\u306b\u3044\u3066\u3001\u91cd\u8981\u306a\u5de5\u5834\u30e9\u30a4\u30f3\u306e\u300c\u30e1\u30a4\u30f3\u30b2\u30fc\u30c8\u300d\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u5de8\u5927\u306a400A MCCB\uff08\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\uff09\u306e\u524d\u306b\u3044\u307e\u3059\u3002.<\/p>\n<p>\u305d\u308c\u3092\u300c\u30c6\u30b9\u30c8\u300d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u300c\u30d7\u30c3\u30b7\u30e5\u30c4\u30fc\u30c8\u30ea\u30c3\u30d7\u300d\uff08PTT\uff09\u30dc\u30bf\u30f3\u304c\u898b\u3048\u307e\u3059\u3002\u305d\u308c\u3092\u62bc\u3057\u307e\u3059\u3002.<\/p>\n<p><em>\u30ab\u30c1\u30e3\u30f3\u3002.<\/em><\/p>\n<p>\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3059\u3002.<\/p>\n<p>\u3042\u306a\u305f\u306e\u4ed5\u4e8b\u306f\u7d42\u308f\u308a\u307e\u3057\u305f\u306d\uff1f\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u300c\u30c6\u30b9\u30c8\u300d\u3057\u307e\u3057\u305f\u304b\uff1f<\/p>\n<p>\u3044\u3044\u3048\u3002\u3042\u306a\u305f\u306f <em>\u3059\u3079\u3066<\/em> \u30b9\u30d7\u30ea\u30f3\u30b0\u3092\u30c6\u30b9\u30c8\u3057\u305f\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u300c <strong>\u201c\u30d7\u30e9\u30b7\u30fc\u30dc\u30dc\u30bf\u30f3\u300d\u306b\u9a19\u3055\u308c\u305f\u3060\u3051\u3067\u3059\u3002\u2018<\/strong> \u305d\u306e\u300c\u30c6\u30b9\u30c8\u300d\u306e\u771f\u5b9f\u3068\u3001 <em>\u672c\u5f53\u306b<\/em> \u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u300c\u5b88\u8b77\u8005\u300d\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u5358\u306a\u308b\u300c\u7206\u5f3e\u300d\u306a\u306e\u304b\u3092\u77e5\u308b\u65b9\u6cd5\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002\u201c<\/p>\n<hr \/>\n<h2>\u300c\u7159\u63a2\u77e5\u6a5f\u300d\u306e\u305f\u3068\u3048\uff1a\u305d\u306e\u30dc\u30bf\u30f3\u304c <em>\u6700\u5927\u9650<\/em> \u3059\u308b\u3053\u3068<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-19968\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does.webp\" alt=\"The &quot;Smoke Alarm&quot; Analogy: What That Button Actually Does\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u96fb\u6c17\u5b89\u5168\u306b\u304a\u3051\u308b\u6700\u5927\u306e\u300c\u30a2\u30cf\uff01\u300d\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3053\u308c\u3067\u3059\u3002\u300c\u30c6\u30b9\u30c8\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3053\u3068\u306f\u3001 <em>\u307e\u3055\u306b<\/em> \u81ea\u5b85\u306e\u7159\u63a2\u77e5\u6a5f\u306e\u300c\u30c6\u30b9\u30c8\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002.<\/p>\n<p>\u8003\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<ul>\n<li><strong>\u305d\u308c\u304c\u8a3c\u660e\u3059\u308b\u3053\u3068\uff1a<\/strong> \u30db\u30fc\u30f3\u304c <em>\u9cf4\u308a\u307e\u3059\u3002<\/em>. \u30d0\u30c3\u30c6\u30ea\u30fc\u306b\u96fb\u529b\u304c\u3042\u308a\u307e\u3059\u3002\u5185\u90e8\u306e <em>\u30db\u30fc\u30f3\u304c<\/em> \u4f5c\u52d5\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>\u305d\u308c\u304c\u8a3c\u660e\u3057\u306a\u3044\u3053\u3068\uff1a<\/strong> \u305d\u306e <strong>\u201c\u300c\u7159\u30bb\u30f3\u30b5\u30fc\u300d\u201d<\/strong> \uff08 <em>\u5b9f<\/em> \u982d\u8133\uff09\u304c\u5b9f\u969b\u306b <em>\u7159\u3092\u691c\u77e5\u3067\u304d\u308b\u3053\u3068<\/em>.<\/li>\n<\/ul>\n<p>MCCB\u306e\u300c\u30c6\u30b9\u30c8\u300d\u30dc\u30bf\u30f3\u3082\u540c\u3058\u3067\u3059\u3002\u305d\u308c\u306f <strong>\u6a5f\u68b0\u7684\u306a<\/strong> \u30c6\u30b9\u30c8\u3067\u3042\u308a\u3001 <strong>\u96fb\u6c17<\/strong> \u3053\u308c\u3067\u5bb6\u5168\u4f53\u306e\u914d\u7dda\u309210\u5206\u3067\u628a\u63e1\u3067\u304d\u307e\u3057\u305f\u3002\u53eb\u3076\u5fc5\u8981\u3082\u3001\u51b7\u51cd\u5eab\u304c\u505c\u6b62\u3059\u308b\u3053\u3068\u3082\u306a\u3044\u3067\u3057\u3087\u3046\u3002.<\/p>\n<p>PTT\u30dc\u30bf\u30f3\u306f\u3001\u5b9f\u969b\u306e\u300c\u982d\u8133\u300d\u3092 <em>\u30d0\u30a4\u30d1\u30b9\u3057\u3001\u6a5f\u68b0\u7684\u306b\u6700\u7d42\u7684\u306a\u30c8\u30ea\u30c3\u30d7\u30e9\u30c3\u30c1\u3092\u300c\u7a81\u304f\u300d\u5c0f\u3055\u306a\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u88fd\u306e\u30ed\u30c3\u30c9\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u300c\u6483\u91dd\u300d\u304c\u4f5c\u52d5\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3060\u3051\u3067\u3001\u300c\u30c8\u30ea\u30ac\u30fc\u300d\u304c\u30bb\u30f3\u30b5\u30fc\u306b\u3088\u3063\u3066\u5b9f\u969b\u306b\u5f15\u304b\u308c\u308b\u304b\u3069\u3046\u304b\u306f\u78ba\u8a8d\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/em> \u300c\u30d7\u30e9\u30b7\u30fc\u30dc\u300d\u30dc\u30bf\u30f3\u304c\u7121\u8996\u3059\u308b\u300c2\u3064\u306e\u982d\u8133\u300d.<\/p>\n<hr \/>\n<h2>\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u306f\u3001\u3042\u306a\u305f\u306e\u6a5f\u5668\u3068\u3042\u306a\u305f\u306e\u547d\u3092\u6551\u3046\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f2\u3064\u306e<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-19970\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores.webp\" alt=\"The &quot;Two Brains&quot; That &quot;Placebo&quot; Button Ignores\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u300c\u982d\u8133\u300d\uff08\u30c8\u30ea\u30c3\u30d7\u30e6\u30cb\u30c3\u30c8\uff09\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u300c\u30d7\u30e9\u30b7\u30fc\u30dc\u300d\u30dc\u30bf\u30f3\u306f\u3001 <em>\u5b9f<\/em> \u201c\u3069\u3061\u3089\u3082\u30c6\u30b9\u30c8\u3057\u307e\u305b\u3093\u3002 <strong>\u982d\u81331\uff1a\u300c\u30b9\u30ed\u30fc\u30af\u30c3\u30ab\u30fc\u300d\uff08\u71b1\u30c8\u30ea\u30c3\u30d7\uff09<\/strong>.<\/p>\n<h3>\u3092\u691c\u77e5\u3059\u308b\u305f\u3081<\/h3>\n<ul>\n<li><strong>\u306e\u56de\u8def\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\uff08\u300cC\u300d\u306f\u300c\u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u300d\u3067\u3042\u308a\u3001\u5225\u306e\u6a5f\u4f1a\u306b\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\uff09\u3002<\/strong> \uff08\u4f8b\uff1a100A\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u304c120A\u306710\u5206\u9593\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\uff09\u3002 <strong>\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9<\/strong> \u4ed5\u7d44\u307f\uff1a.<\/li>\n<li><strong>\u30d0\u30a4\u30e1\u30bf\u30eb\u30b9\u30c8\u30ea\u30c3\u30d7\uff082\u3064\u306e\u91d1\u5c5e\uff09\u304c<\/strong> \u904e\u5270\u306a\u96fb\u6d41\u3067\u52a0\u71b1\u3055\u308c\u307e\u3059\u3002\u52a0\u71b1\u3055\u308c\u308b\u3068\u66f2\u304c\u308a\u3001\u6700\u7d42\u7684\u306b\u306f\u300c\u30b9\u30ed\u30fc\u30af\u30c3\u30ab\u30fc\u300d\u306e\u30bf\u30a4\u30de\u30fc\u306e\u3088\u3046\u306b\u3001 <em>\u3086\u3063\u304f\u308a\u3068<\/em> \u66f2\u304c\u308a <em>\u5341\u5206\u306b\u300c\u30c8\u30ea\u30c3\u30d7\u300d\u30e9\u30c3\u30c1\u3092\u300c\u7a81\u304f\u300d\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/em> \u305d\u308c\u304c\u91cd\u8981\u306a\u7406\u7531\uff1a.<\/li>\n<li><strong>\u3053\u308c\u306b\u3088\u308a\u3001\u58c1\u306e\u4e2d\u306e\u30b1\u30fc\u30d6\u30eb\u304c\u904e\u71b1\u3057\u3001\u6eb6\u3051\u3066\u706b\u707d\u304c\u767a\u751f\u3059\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002<\/strong> \u982d\u81332\uff1a\u300c\u30cd\u30ba\u30df\u6355\u308a\u300d\uff08\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\uff09.<\/li>\n<\/ul>\n<h3>\uff08\u4f8b\uff1a\u77ed\u7d61\u306b\u3088\u308b1000A\u306e\u6545\u969c\uff09\u3002<\/h3>\n<ul>\n<li><strong>\u306e\u56de\u8def\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\uff08\u300cC\u300d\u306f\u300c\u30c8\u30ea\u30c3\u30d7\u30ab\u30fc\u30d6\u300d\u3067\u3042\u308a\u3001\u5225\u306e\u6a5f\u4f1a\u306b\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\uff09\u3002<\/strong> \uff08\u4f8b\uff1a100A\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u304c120A\u306710\u5206\u9593\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\uff09\u3002 <strong>\u77ed\u7d61<\/strong> \u96fb\u78c1\u77f3\u304c.<\/li>\n<li><strong>\u30d0\u30a4\u30e1\u30bf\u30eb\u30b9\u30c8\u30ea\u30c3\u30d7\uff082\u3064\u306e\u91d1\u5c5e\uff09\u304c<\/strong> \uff08\u30df\u30ea\u79d2\u5358\u4f4d\u3067\uff09\u5927\u91cf\u306e\u96fb\u6d41\u30b5\u30fc\u30b8\u304b\u3089\u5f37\u529b\u306a\u78c1\u5834\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u78c1\u5834\u306f\u3001 <em>\u5373\u5ea7\u306b<\/em> \u30ec\u30d0\u30fc\u3092 <em>\u30b9\u30ca\u30c3\u30d7\u3057\u3001\u300c\u30cd\u30ba\u30df\u6355\u308a\u300d\u306e\u3088\u3046\u306b\u30c8\u30ea\u30c3\u30d7\u30e9\u30c3\u30c1\u3092\u300c\u7a81\u304d\u307e\u3059\u300d\u3002<\/em> \u3053\u308c\u306b\u3088\u308a\u3001.<\/li>\n<li><strong>\u3053\u308c\u306b\u3088\u308a\u3001\u58c1\u306e\u4e2d\u306e\u30b1\u30fc\u30d6\u30eb\u304c\u904e\u71b1\u3057\u3001\u6eb6\u3051\u3066\u706b\u707d\u304c\u767a\u751f\u3059\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002<\/strong> \u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5 <a href=\"https:\/\/test.viox.com\/ja\/what-is-an-arc-in-a-circuit-breaker\/\">\u7206\u767a\u3001\u6a5f\u5668\u3092\u7834\u58ca\u3059\u308b\u6545\u969c\u3001\u305d\u3057\u3066\u975e\u5e38\u306b\u60aa\u3044\u4e00\u65e5\u304b\u3089\u3042\u306a\u305f\u3092\u6551\u3044\u307e\u3059\u3002<\/a> PTT\u30dc\u30bf\u30f3\u306f\u3001\u3053\u308c\u3089\u306e\u547d\u3092\u6551\u3046\u300c\u982d\u8133\u300d\u306e\u4e21\u65b9\u3092\u5b8c\u5168\u306b\u30d0\u30a4\u30d1\u30b9\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p>\u300c800A\u306e\u6545\u969c\u300d\uff1a\u300c\u30d6\u30ec\u30fc\u30ab\u30fc\u300d\u304c\u300c\u30b9\u30a4\u30c3\u30c1\u300d\u306b\u306a\u308b\u6642\u201c<\/p>\n<hr \/>\n<h2>\u300c\u3060\u304b\u3089\u4f55\u3060\uff1f\u300d\u3042\u306a\u305f\u306f\u8a00\u3046\u3002\u300c\u30b9\u30d7\u30ea\u30f3\u30b0\u304c\u4f5c\u52d5\u3059\u308c\u3070\u3001\u982d\u8133\u306f\u304a\u305d\u3089\u304f\u5927\u4e08\u592b\u3060\u308d\u3046\u3002\u300d\u201c<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19971\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22.webp\" alt=\"The &quot;800A Failure&quot;: When a &quot;Breaker&quot; Becomes a &quot;Switch&quot;\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u201c\u3053\u308c\u306f\u307e\u3055\u306b\u5927\u60e8\u4e8b\u306b\u3064\u306a\u304c\u308b\u8003\u3048\u65b9\u3067\u3059\u3002\u3053\u308c\u306f\u201d<\/p>\n<p>\u300c800A\u306e\u6545\u969c\u300d\u3067\u3059\u3002 <strong>\u201c\u30b7\u30cb\u30a2\u96fb\u529b\u30b7\u30b9\u30c6\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u306e\u300c\u6226\u3044\u306e\u7269\u8a9e\u300d\uff1a\u201d<\/strong><\/p>\n<p>\u300c\u79c1\u305f\u3061\u306f\u3001\u5de5\u5834\u3067\u5e74\u6b21PM\uff08\u4e88\u9632\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\uff09\u3092\u884c\u3046\u305f\u3081\u306b\u96c7\u308f\u308c\u307e\u3057\u305f\u3002\u5f7c\u3089\u306f\u30e1\u30a4\u30f3\u30d5\u30a3\u30fc\u30c0\u30fc\u306b400A\u306eMCCB\u3092\u6301\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u308c\u306f20\u5e74\u524d\u306e\u3082\u306e\u3067\u3057\u305f\u3002<\/p>\n<p>\u201c\u79c1\u305f\u3061\u304c\u6700\u521d\u306b\u3057\u305f\u3053\u3068\u306f\u4f55\u3067\u3059\u304b\uff1fPTT\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u307e\u3057\u305f\u3002\u300d.<br \/>\nThe first thing we did? We pressed the PTT button. <em>\u30ab\u30c1\u30e3\u30f3\u3002.<\/em> \u5b8c\u74a7\u306b\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3057\u305f\u3002\u5de5\u5834\u306e\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306f\u5fae\u7b11\u307f\u307e\u3057\u305f\u3002.<\/p>\n<p>\u305d\u308c\u304b\u3089\u3001\u6211\u3005\u306f\u904b\u3073\u8fbc\u3093\u3060 <strong>\u201c\u300c\u91ce\u7363\u300d\u3092\u3002\u201d<\/strong><\/p>\n<p>\u6211\u3005\u306f\u300c\u4e00\u6b21\u96fb\u6d41\u6ce8\u5165\u300d\u8a66\u9a13\u88c5\u7f6e\u3092\u63a5\u7d9a\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u6a5f\u68b0\u306f <em>\u30dc\u30bf\u30f3\u3092<\/em> \u62bc\u3059\u306e\u3067\u306f\u306a\u304f\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u306b\u96fb\u6d41\u3092\u300c\u4f9b\u7d66\u300d\u3057\u307e\u3059\u3002 <em>\u5b9f<\/em> \u96fb\u6d41\u3092\u3002.<br \/>\n\u6211\u3005\u306f\u300c\u4f9b\u7d66\u300d\u3092\u958b\u59cb\u3057\u307e\u3057\u305f\u3002500\u30a2\u30f3\u30da\u30a2\u2026600\u30a2\u30f3\u30da\u30a2\u2026800\u30a2\u30f3\u30da\u30a2\u2026<\/p>\n<p><em>\u4f55\u3082\u8d77\u3053\u308a\u307e\u305b\u3093\u3002.<\/em><\/p>\n<p>\u30d6\u30ec\u30fc\u30ab\u30fc\u306f <em>\u62d2\u5426\u3057\u307e\u3057\u305f\u3002<\/em> \u30c8\u30ea\u30c3\u30d7\u3059\u308b\u3053\u3068\u3092\u3002\u6700\u7d42\u7684\u306b\u3001\u3057\u3076\u3057\u3076\u958b\u304f\u307e\u3067\u30011200A\u307e\u3067\u62bc\u3057\u4e0a\u3052\u307e\u3057\u305f\u3002.<\/p>\n<p>\u305d\u306e400A\u306e <strong>\u201c\u300c\u30d6\u30ec\u30fc\u30ab\u30fc\u300d\u306f\u201d<\/strong> \u4f55\u5e74\u3082\u524d\u306b\u5bff\u547d\u304c\u5c3d\u304d\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u308c\u306f\u305f\u3060\u306e400A\u306e <strong>\u201c\u300c\u30b9\u30a4\u30c3\u30c1\u300d\u3067\u3057\u305f\u3002\u201d<\/strong><\/p>\n<p>20\u5e74\u9593\u3001\u305d\u306e\u5de5\u5834\u30e9\u30a4\u30f3\u5168\u4f53\u304c <em>\u30bc\u30ed<\/em> \u904e\u8ca0\u8377\u4fdd\u8b77\u306a\u3057\u3067\u7a3c\u50cd\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u5185\u90e8\u306e\u30b0\u30ea\u30fc\u30b9\u306f\u4e7e\u71e5\u3057\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u306f\u5f31\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u300c\u982d\u8133\u300d\uff08\u71b1\u52d5\u30e6\u30cb\u30c3\u30c8\uff09\u306f\u6b7b\u3093\u3067\u3044\u307e\u3057\u305f\u3002.<\/p>\n<p>\u305d\u308c\u306f\u300c\u6642\u9650\u7206\u5f3e\u300d\u3067\u3042\u308a\u3001\u6bce\u5e74\u300c\u30d7\u30e9\u30bb\u30dc\u30c6\u30b9\u30c8\u300d\u306b\u5408\u683c\u3057\u3066\u3044\u307e\u3057\u305f\u3002.<\/p>\n<hr \/>\n<h2>\u306b\u3064\u3044\u3066 <em>\u300c\u8a3c\u62e0\u300d\u306f<\/em> \u8a66\u9a13\uff1a\u300c\u91ce\u7363\u3078\u306e\u7d66\u990c\u300d\uff08\u4e00\u6b21\u96fb\u6d41\u6ce8\u5165\uff09<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19973\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection.webp\" alt=\"The Real Test: &quot;Feeding the Beast&quot; (Primary Current Injection)\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306b <em>\u672c\u5f53\u306b<\/em> MCCB\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3059\u304b\uff1f\u5358\u306a\u308b\u300c\u8b66\u5831\u6a5f\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u7159\u30bb\u30f3\u30b5\u30fc\u300d\u3092\u3069\u306e\u3088\u3046\u306b\u30c6\u30b9\u30c8\u3057\u307e\u3059\u304b\uff1f<\/p>\n<p>\u3042\u306a\u305f <strong>\u201c\u300c\u91ce\u7363\u306b\u7d66\u990c\u3059\u308b\u300d\u201d<\/strong><\/p>\n<p>\u3053\u308c\u306f\u6a19\u6e96\u7684\u306a\u96fb\u6c17\u6280\u5e2b\u306e\u4ed5\u4e8b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5c02\u9580\u306eNETA\uff08\u56fd\u969b\u96fb\u6c17\u8a66\u9a13\u5354\u4f1a\uff09\u96fb\u529b\u30b7\u30b9\u30c6\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u4ed5\u4e8b\u3067\u3059\u3002.<\/p>\n<ul>\n<li><strong>\u300c\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u63a2\u77e5\u6a5f\u300d\uff08\u307e\u305f\u306f\u300c\u30c8\u30ec\u30fc\u30b5\u30fc\u300d\uff09\u3002<\/strong> \u7279\u6b8a\u306a\u9ad8\u96fb\u6d41\u300cMCCB\u30c6\u30b9\u30c8\u30bb\u30c3\u30c8\u300d\u3002\u3053\u306e\u6a5f\u68b0\u306f\u3001\u5927\u578b\u30b9\u30fc\u30c4\u30b1\u30fc\u30b9\u307b\u3069\u306e\u5927\u304d\u3055\u3067\u3001\u91cd\u91cf\u306f50kg\u3001\u4fa1\u683c\u306f20,000\u30c9\u30eb\u4ee5\u4e0a\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\uff1a<\/strong> \u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u9694\u96e2\u3057\u3001\u3053\u306e\u300c\u91ce\u7363\u300d\u3092\u63a5\u7d9a\u3057\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u6a5f\u68b0\u306f <em>\u5b9f\u969b\u306b<\/em> 500A\u30011000A\u3001\u307e\u305f\u306f3000A\u306e\u5b9f\u969b\u306e\u3001\u8ffd\u8de1\u53ef\u80fd\u306a\u96fb\u6d41\u3092\u6ce8\u5165\u3057\u307e\u3059 <em>\u30d6\u30ec\u30fc\u30ab\u30fc\u306e<\/em> \u300c\u982d\u8133\u300d\u3092\u901a\u3057\u3066\u3002\u201c<\/li>\n<li><strong>10\u30a2\u30f3\u30da\u30a2<\/strong> \u5f7c\u3089\u306f\u30b9\u30c8\u30c3\u30d7\u30a6\u30a9\u30c3\u30c1\uff08\u307e\u305f\u306f\u7d71\u5408\u3055\u308c\u305f\u30bf\u30a4\u30de\u30fc\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u305d\u306e <em>\u65e2\u77e5\u306e<\/em> \u30c8\u30ea\u30c3\u30d7\u66f2\u7dda\uff08TCC\u3001\u307e\u305f\u306f\u6642\u9593-\u96fb\u6d41\u66f2\u7dda\uff09\u3068\u300c\u7af6\u4e89\u300d\u3055\u305b\u307e\u3059\u3002.\n<ul>\n<li>\u201c\u300c\u6307\u5b9a\u3055\u308c\u305f5\u301c10\u79d2\u3067800A\u3067\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3057\u305f\u304b\uff1f\u300d\uff08\u71b1\u52d5\u982d\u8133\uff1a <strong>\u5408\u683c<\/strong>)<\/li>\n<li>\u201c\u300c0.04\u79d2\u30673000A\u3067\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3057\u305f\u304b\uff1f\u300d\uff08\u96fb\u78c1\u982d\u8133\uff1a <strong>\u5408\u683c<\/strong>)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<blockquote><p><strong>\u3068\u547c\u3076\u3082\u306e\u3067\u3059\u3002<\/strong> \u96fb\u6c17\u6280\u5e2b\u306f <em>\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u8a2d\u7f6e\u3057<\/em> PTT\uff08\u6a5f\u68b0\u7684\uff09\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002NETA\u30c6\u30b9\u30c8\u30a8\u30f3\u30b8\u30cb\u30a2\u306f <em>\u4e00\u6b21\u96fb\u6d41\u6ce8\u5165\uff08\u96fb\u6c17\u7684\uff09\u30c6\u30b9\u30c8\u3067\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u8a8d\u8a3c\u3057\u307e\u3059\u3002<\/em> \u81ea\u5206\u306e\u5f79\u5272\u3092\u7406\u89e3\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300c\u6a5f\u80fd\u5b89\u5168\u30c6\u30b9\u30c8\u300d\u3068\u3057\u3066PTT\u30c6\u30b9\u30c8\u306b\u6c7a\u3057\u3066\u7f72\u540d\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u300c\u77e5\u8b58\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u5e0c\u671b\u300d\u306b\u7f72\u540d\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u201c<\/p><\/blockquote>\n<hr \/>\n<h2>\u7d50\u8ad6\uff1a\u300c\u5b89\u5fc3\u611f\u300d\u5bfe\u300c\u5b9f\u969b\u306e\u5b89\u5168\u6027\u300d\u201c<\/h2>\n<p>\u3042\u306e\u5c0f\u3055\u306a\u300c\u30c6\u30b9\u30c8\u300d\u30dc\u30bf\u30f3\u306f <em>\u30c6\u30b9\u30c8<\/em>. \u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u300c\u6a5f\u68b0\u7684\u306a\u30ea\u30bb\u30c3\u30c8\u300d\u3067\u3059\u3002\u305d\u308c\u306f <strong>\u201c\u30d7\u30e9\u30b7\u30fc\u30dc\u30dc\u30bf\u30f3\u300d\u306b\u9a19\u3055\u308c\u305f\u3060\u3051\u3067\u3059\u3002\u2018<\/strong><\/p>\n<p>\u5efa\u7269\u7ba1\u7406\u8005\u307e\u305f\u306f\u975e\u5c02\u9580\u5bb6\u306b\u300c\u5b89\u5fc3\u611f\u300d\u3092\u4e0e\u3048\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u201c<\/p>\n<p>\u306b\u3064\u3044\u3066 <em>\u5b9f<\/em> \u30c6\u30b9\u30c8\u3001\u300c\u4e00\u6b21\u96fb\u6d41\u6ce8\u5165\u300d\u306f\u3001 <strong>\u201c\u300c\u5b9f\u969b\u306e\u5b89\u5168\u6027\u300d\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u201d<\/strong><\/p>\n<p>\u91cd\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u3068\u304d\u306f\u3001 <em>\u78ba\u5b9f\u6027\u306b\u57fa\u3065\u3044\u3066\u69cb\u7bc9\u3057\u307e\u3059\u3002<\/em>. VIOX MCCB\u306f\u3001\u6700\u9ad8\u306e\u57fa\u6e96\u3067\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u660e\u78ba\u306a\u30c8\u30ea\u30c3\u30d7\u66f2\u7dda\u304c\u3042\u308a\u3001 <em>\u30d7\u30ed\u306e\u30c6\u30b9\u30c8\u30bb\u30c3\u30c8\u306b\u3088\u3063\u3066\u8a8d\u8a3c\u3055\u308c\u308b\u6e96\u5099\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/em> \u5358\u306b <em>\u3042\u306a\u305f\u306e\u300c\u982d\u8133\u300d\u304c\u6a5f\u80fd\u3059\u308b\u3053\u3068\u3092<\/em> \u9858\u3046\u306e\u3067\u306f\u306a\u304f\u3001<em>\u6a5f\u80fd\u3059\u308b\u3053\u3068\u3092<\/em> \u77e5\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>\u5f53\u793e\u306e<a href=\"https:\/\/test.viox.com\/ja\/mccb\/\"> \u30d0\u30a4\u30aa\u30c3\u30af\u30b9MCCB<\/a> \u30e9\u30a4\u30f3\u30ca\u30c3\u30d7\u3092\u53c2\u7167\u3057\u3001\u78ba\u5b9f\u6027\u3092\u6301\u3063\u3066\u69cb\u7bc9\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/strong><\/p>\n<hr \/>\n<h3>\u6280\u8853\u306e\u7cbe\u5ea6\u6ce8<\/h3>\n<pre><code>**\u53c2\u7167\u898f\u683c\u3068\u60c5\u5831\u6e90** <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66277\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60947-2<\/a> and NEMA AB 1.\n- The PTT (Push-to-Trip) button's function is mechanical and does not test the overcurrent-sensing components.\n\n**Timeliness Statement**\nAll technical principles and testing standards referenced are accurate as of November 2025.\n<\/code><\/pre>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>You&#8217;re on-site, in front of a giant 400A MCCB (Moulded Case Circuit Breaker) that acts as the &#8220;main gate&#8221; for a critical factory line. You need to &#8220;test&#8221; it. You see the little &#8220;Push-to-Trip&#8221; (PTT) button. You press it. CLUNK. The breaker trips. Your job is done, right? You&#8217;ve &#8220;tested&#8221; the breaker? No. You&#8217;ve done nothing but test a spring. You&#8217;ve just fallen for &#8220;The &#8216;Placebo&#8217; Button.&#8221; Here&#8217;s the truth about that &#8220;test&#8221; and how to really know if your breaker is a &#8220;guardian&#8221; or just a &#8220;bomb.&#8221; The &#8220;Smoke Alarm&#8221; Analogy: What That Button Actually Does The biggest &#8220;Aha!&#8221; moment in electrical safety is this: Pressing that &#8220;Test&#8221; button [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19975,"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-19965","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\/19965","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=19965"}],"version-history":[{"count":6,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/19965\/revisions"}],"predecessor-version":[{"id":19977,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/19965\/revisions\/19977"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media\/19975"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media?parent=19965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/categories?post=19965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/tags?post=19965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}