{"id":21520,"date":"2026-02-04T23:51:27","date_gmt":"2026-02-04T15:51:27","guid":{"rendered":"https:\/\/viox.com\/?p=21520"},"modified":"2026-02-04T23:51:29","modified_gmt":"2026-02-04T15:51:29","slug":"thermal-overload-relay-vs-mpcb-difference","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/thermal-overload-relay-vs-mpcb-difference\/","title":{"rendered":"\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u3068MPCB\uff1a\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>\u76f4\u63a5\u56de\u7b54<\/h2>\n<p>\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306f\u3001\u30e2\u30fc\u30bf\u30fc\u306e\u904e\u8ca0\u8377\u4fdd\u8b77\u306e\u307f\u3092\u63d0\u4f9b\u3057\u3001\u77ed\u7d61\u4fdd\u8b77\u306e\u305f\u3081\u306b\u5225\u9014\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\uff08MPCB\uff09\u306f\u3001\u904e\u8ca0\u8377\u4fdd\u8b77\u3001\u77ed\u7d61\u4fdd\u8b77\u3001\u304a\u3088\u3073\u591a\u304f\u306e\u5834\u5408\u3001\u4f4d\u76f8\u6b20\u640d\u691c\u51fa\u30921\u3064\u306e\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30e6\u30cb\u30c3\u30c8\u306b\u7d71\u5408\u3057\u305f\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002\u4e3b\u306a\u9055\u3044\u306f\u6a5f\u80fd\u306b\u3042\u308a\u307e\u3059\u3002\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306f\u3001\u71b1\u7d20\u5b50\u3092\u4ecb\u3057\u3066\u9577\u671f\u306e\u904e\u96fb\u6d41\u72b6\u614b\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u304c\u3001MPCB\u306f\u3001\u77ed\u7d61\u306b\u5bfe\u3059\u308b\u77ac\u6642\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u3001\u8abf\u6574\u53ef\u80fd\u306a\u71b1\u52d5\u904e\u8ca0\u8377\u8a2d\u5b9a\u3001\u304a\u3088\u3073\u624b\u52d5\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u6a5f\u80fd\u3092\u542b\u3080\u5305\u62ec\u7684\u306a\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001MPCB\u306f\u3088\u308a\u6c4e\u7528\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u901a\u5e38\u3001\u5f93\u6765\u306e\u30b3\u30f3\u30bf\u30af\u30bf\u3068\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306e\u7d44\u307f\u5408\u308f\u305b\u3088\u308a\u3082\u9ad8\u4fa1\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<hr>\n<h2>\u8981\u70b9<\/h2>\n<ul>\n<li><strong>\u30b5\u30fc\u30de\u30eb\u904e\u8ca0\u8377\u30ea\u30ec\u30fc<\/strong> \u5b8c\u5168\u306a\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u306e\u305f\u3081\u306b\u3001\u5225\u9014\u4e0a\u6d41\u306e\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u5fc5\u8981\u3067\u3059\u3002 <strong>MPCB\u306f\u8907\u6570\u306e\u4fdd\u8b77\u6a5f\u80fd\u3092\u7d71\u5408\u3057\u307e\u3059\u3002<\/strong> 1\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u306b<\/li>\n<li><strong>MPCB\u306f\u3001\u30df\u30ea\u79d2\u5358\u4f4d\u3067\u77ed\u7d61\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/strong> \u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u6a5f\u69cb\u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306f\u9577\u671f\u306e\u904e\u8ca0\u8377\u72b6\u614b\u306e\u307f\u306b\u5bfe\u51e6\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b3\u30b9\u30c8\u8003\u616e<\/strong>\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306f\u500b\u5225\u306b\u5b89\u4fa1\u3067\u3059\u304c\u3001\u8ffd\u52a0\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002MPCB\u306f\u521d\u671f\u8cbb\u7528\u304c\u9ad8\u3044\u3067\u3059\u304c\u3001\u8a2d\u7f6e\u6642\u9593\u3068\u30d1\u30cd\u30eb\u30b9\u30da\u30fc\u30b9\u3092\u6700\u592740\uff05\u524a\u6e1b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u4f4d\u76f8\u6545\u969c\u4fdd\u8b77<\/strong> \u307b\u3068\u3093\u3069\u306eMPCB\u3067\u6a19\u6e96\u3067\u3059\u304c\u3001\u57fa\u672c\u7684\u306a\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306b\u306f\u306a\u3044\u305f\u3081\u3001MPCB\u306f\u4e09\u76f8\u30e2\u30fc\u30bf\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u8abf\u6574\u6a5f\u80fd<\/strong>MPCB\u306f\u901a\u5e38\u3001\u6b63\u78ba\u306a\u96fb\u6d41\u8abf\u6574\u7bc4\u56f2\uff08\u591a\u304f\u306e\u5834\u5408\u3001\u5b9a\u683c\u5024\u306e\u00b120\uff05\uff09\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306e\u8abf\u6574\u6a5f\u80fd\u306f\u9650\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304c\u91cd\u8981\u3067\u3059\u3002<\/strong>\u30ea\u30e2\u30fc\u30c8\u5236\u5fa1\u307e\u305f\u306f\u8907\u6570\u306e\u30e2\u30fc\u30bf\u30fc\u306e\u9023\u643a\u304c\u5fc5\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u3001\u30b3\u30f3\u30bf\u30af\u30bf\u4ed8\u304d\u306e\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30b9\u30da\u30fc\u30b9\u306b\u5236\u7d04\u304c\u3042\u308b\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u306e\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u306b\u306f\u3001MPCB\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<hr>\n<h2>\u30b5\u30fc\u30de\u30eb\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306e\u7406\u89e3<\/h2>\n<p>\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306f\u3001\u6570\u5341\u5e74\u306b\u308f\u305f\u308a\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3067\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u96fb\u6c17\u6a5f\u68b0\u5f0f\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u904e\u5270\u306a\u96fb\u6d41\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u305f\u71b1\u306b\u5fdc\u7b54\u3059\u308b\u30d0\u30a4\u30e1\u30bf\u30eb\u30b9\u30c8\u30ea\u30c3\u30d7\u307e\u305f\u306f\u5171\u6676\u5408\u91d1\u7d20\u5b50\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30e2\u30fc\u30bf\u30fc\u304c\u5b9a\u683c\u5bb9\u91cf\u3092\u8d85\u3048\u308b\u96fb\u6d41\u3092\u9577\u6642\u9593\u5f15\u304d\u8fbc\u3080\u3068\u3001\u52a0\u71b1\u52b9\u679c\u306b\u3088\u308a\u30d0\u30a4\u30e1\u30bf\u30eb\u7d20\u5b50\u304c\u66f2\u304c\u3063\u305f\u308a\u3001\u5171\u6676\u5408\u91d1\u304c\u6eb6\u3051\u305f\u308a\u3057\u3066\u3001\u88dc\u52a9\u63a5\u70b9\u3092\u958b\u304f\u6a5f\u68b0\u7684\u306a\u30ea\u30ea\u30fc\u30b9\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u63a5\u70b9\u306f\u3001 <a href=\"https:\/\/test.viox.com\/ja\/contactor-vs-motor-starter\/\">\u63a5\u89e6\u5668<\/a> \u30b3\u30a4\u30eb\u306b\u901a\u96fb\u3057\u3001\u30e2\u30fc\u30bf\u30fc\u3092\u96fb\u6e90\u304b\u3089\u5207\u308a\u96e2\u3057\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Thermal-overload-relay-installation-in-industrial-control-panel-with-contactor-and-circuit-breaker.webp\" alt=\"Thermal overload relay installation in industrial control panel with contactor and circuit breaker - VIOX Electric motor protection\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\u30b3\u30f3\u30bf\u30af\u30bf\u3068\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u5099\u3048\u305f\u7523\u696d\u7528\u5236\u5fa1\u76e4\u3078\u306e\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306e\u8a2d\u7f6e<\/figcaption><\/figure>\n<p>\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306e\u57fa\u672c\u7684\u306a\u539f\u7406\u306f\u3001\u96fb\u6c17\u30e2\u30fc\u30bf\u30fc\u81ea\u4f53\u306e\u71b1\u7279\u6027\u3092\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u3002\u30e2\u30fc\u30bf\u30fc\u306f\u8d77\u52d5\u6642\u306b\u77ed\u6642\u9593\u306e\u904e\u8ca0\u8377\u306b\u8010\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u6570\u79d2\u9593\u3001\u5168\u8ca0\u8377\u96fb\u6d41\u306e600\u301c800\uff05\u3092\u5f15\u304d\u8fbc\u307f\u307e\u3059\u304c\u3001\u6301\u7d9a\u7684\u306a\u904e\u96fb\u6d41\u72b6\u614b\u306f\u5dfb\u7dda\u7d76\u7e01\u306e\u52a3\u5316\u3068\u6700\u7d42\u7684\u306a\u6545\u969c\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306f\u3001\u3053\u308c\u3089\u306e\u904e\u6e21\u7684\u306a\u30b5\u30fc\u30b8\u3092\u8a31\u53ef\u3057\u306a\u304c\u3089\u3001\u6709\u5bb3\u306a\u6301\u7d9a\u7684\u306a\u904e\u8ca0\u8377\u304b\u3089\u4fdd\u8b77\u3059\u308b\u9006\u6642\u9593-\u96fb\u6d41\u7279\u6027\u3067\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h3>\u30b5\u30fc\u30de\u30eb\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306e\u4ed5\u7d44\u307f<\/h3>\n<p>\u52d5\u4f5c\u306f\u3001\u5dee\u52d5\u71b1\u81a8\u5f35\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u30d0\u30a4\u30e1\u30bf\u30eb\u30b9\u30c8\u30ea\u30c3\u30d7\u8a2d\u8a08\u3067\u306f\u3001\u71b1\u81a8\u5f35\u4fc2\u6570\u306e\u7570\u306a\u308b2\u3064\u306e\u91d1\u5c5e\u304c\u7d50\u5408\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30e2\u30fc\u30bf\u30fc\u56de\u8def\u306b\u96fb\u6d41\u304c\u6d41\u308c\u308b\u3068\u3001\u767a\u71b1\u91cf\u306fI\u00b2R\u640d\u5931\u306b\u6bd4\u4f8b\u3057\u3066\u5897\u52a0\u3057\u307e\u3059\u3002\u3053\u306e\u71b1\u306f\u30d0\u30a4\u30e1\u30bf\u30eb\u7d20\u5b50\u306b\u4f1d\u9054\u3055\u308c\u3001\u81a8\u5f35\u4fc2\u6570\u306e\u4f4e\u3044\u91d1\u5c5e\u306b\u5411\u304b\u3063\u3066\u66f2\u304c\u308a\u307e\u3059\u3002\u305f\u308f\u307f\u304c\u6240\u5b9a\u306e\u3057\u304d\u3044\u5024\u306b\u9054\u3059\u308b\u3068\u3001\u5236\u5fa1\u56de\u8def\u306e\u5e38\u9589\u63a5\u70b9\u3092\u958b\u304f\u30c8\u30ea\u30c3\u30d7\u6a5f\u69cb\u3092\u6a5f\u68b0\u7684\u306b\u89e3\u653e\u3057\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Thermal-overload-relay-wiring-diagram-showing-circuit-breaker-contactor-and-control-circuit-schematic.webp\" alt=\"Thermal overload relay wiring diagram showing circuit breaker, contactor, and control circuit schematic - VIOX Electric\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u3001\u30b3\u30f3\u30bf\u30af\u30bf\u3001\u304a\u3088\u3073\u5236\u5fa1\u56de\u8def\u306e\u6982\u7565\u56f3\u3092\u793a\u3059\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306e\u914d\u7dda\u56f3<\/figcaption><\/figure>\n<p>\u5171\u6676\u5408\u91d1\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306f\u3001\u7570\u306a\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u52a0\u71b1\u7d20\u5b50\u306f\u3001\u30e9\u30c1\u30a7\u30c3\u30c8\u30db\u30a4\u30fc\u30eb\u3092\u6240\u5b9a\u306e\u4f4d\u7f6e\u306b\u4fdd\u6301\u3059\u308b\u5171\u6676\u5408\u91d1\u306f\u3093\u3060\u3092\u56f2\u3093\u3067\u3044\u307e\u3059\u3002\u904e\u8ca0\u8377\u72b6\u614b\u3067\u306f\u3001\u306f\u3093\u3060\u304c\u6b63\u78ba\u306a\u5171\u6676\u6e29\u5ea6\u3067\u6eb6\u3051\u3001\u30e9\u30c1\u30a7\u30c3\u30c8\u3092\u89e3\u653e\u3057\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u304c\u30c8\u30ea\u30c3\u30d7\u6a5f\u69cb\u3092\u56de\u8ee2\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u8a2d\u8a08\u306f\u3001\u7279\u306b\u5b89\u5b9a\u3057\u305f\u5468\u56f2\u6e29\u5ea6\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3001\u512a\u308c\u305f\u518d\u73fe\u6027\u3068\u7cbe\u5ea6\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306e\u5236\u9650<\/h3>\n<p>\u4fe1\u983c\u6027\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306b\u306f\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u56fa\u6709\u306e\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u3089\u306f\u63d0\u4f9b\u3057\u307e\u3059 <strong>\u77ed\u7d61\u4fdd\u8b77\u306a\u3057<\/strong>\u2014\u76f8\u9593\u307e\u305f\u306f\u5bfe\u5730\u6545\u969c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u7d50\u679c\u3068\u3057\u3066\u751f\u3058\u308b\u96fb\u6d41\u306f\u30e2\u30fc\u30bf\u30fc\u306e\u5168\u8ca0\u8377\u5b9a\u683c\u306e10\u301c50\u500d\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30ea\u30ec\u30fc\u306e\u906e\u65ad\u5bb9\u91cf\u3092\u306f\u308b\u304b\u306b\u8d85\u3048\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u4e0a\u6d41\u306e <a href=\"https:\/\/test.viox.com\/ja\/types-of-circuit-breakers\/\">\u6f0f\u96fb\u30d6\u30ec\u30fc\u30ab\u30fc<\/a> \u307e\u305f\u306f\u5229\u7528\u53ef\u80fd\u306a\u6545\u969c\u96fb\u6d41\u306b\u5bfe\u3057\u3066\u5b9a\u683c\u3055\u308c\u305f\u30d2\u30e5\u30fc\u30ba\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<p>\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306f\u3001\u57fa\u672c\u7684\u306a\u30e2\u30c7\u30eb\u3067\u306f\u4f4d\u76f8\u6b20\u640d\u691c\u51fa\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u5358\u76f8\u904b\u8ee2\u2014\u4e09\u76f8\u96fb\u6e90\u306e1\u3064\u306e\u76f8\u304c\u6545\u969c\u3057\u305f\u5834\u5408\u2014\u30e2\u30fc\u30bf\u30fc\u306f\u6b8b\u308a\u306e\u76f8\u3067\u904e\u5270\u306a\u96fb\u6d41\u3092\u5f15\u304d\u8fbc\u307f\u3001\u30c8\u30eb\u30af\u3092\u4f4e\u4e0b\u3055\u305b\u307e\u3059\u3002\u5c02\u7528\u306e\u4f4d\u76f8\u6545\u969c\u4fdd\u8b77\u304c\u306a\u3044\u3068\u3001\u30e2\u30fc\u30bf\u30fc\u306f\u904e\u71b1\u3057\u3001\u71b1\u52d5\u904e\u8ca0\u8377\u304c\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u524d\u306b\u6545\u969c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u306f\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u305f\u3081\u306b\u30e2\u30fc\u30bf\u30fc\u3092\u624b\u52d5\u3067\u5207\u65ad\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u5236\u5fa1\u56de\u8def\u3092\u906e\u65ad\u3059\u308b\u3060\u3051\u3067\u3001\u30b3\u30f3\u30bf\u30af\u30bf\u304c\u5b9f\u969b\u306e\u8ca0\u8377\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<hr>\n<h2>\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\uff08MPCB\uff09\u306e\u7406\u89e3<\/h2>\n<p>\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u6280\u8853\u306e\u9032\u5316\u3092\u8868\u3057\u3066\u304a\u308a\u3001\u8907\u6570\u306e\u4fdd\u8b77\u6a5f\u80fd\u30921\u3064\u306e\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30c7\u30d0\u30a4\u30b9\u306b\u7d71\u5408\u3057\u3066\u3044\u307e\u3059\u3002MPCB\u306f\u3001\u30ea\u30ec\u30fc\u306e\u71b1\u52d5\u904e\u8ca0\u8377\u4fdd\u8b77\u3068\u3001 <a href=\"https:\/\/test.viox.com\/ja\/what-is-a-molded-case-circuit-breaker-mccb\/\">\u6f0f\u96fb\u30d6\u30ec\u30fc\u30ab\u30fc<\/a>, \u306e\u77ac\u6642\u77ed\u7d61\u4fdd\u8b77\u3001\u3055\u3089\u306b\u624b\u52d5\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u6a5f\u80fd\u3001\u304a\u3088\u3073\u591a\u304f\u306e\u5834\u5408\u3001\u4f4d\u76f8\u6545\u969c\u691c\u51fa\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u7d71\u5408\u306b\u3088\u308a\u3001\u5f93\u6765\u306e\u4fdd\u8b77\u65b9\u5f0f\u306e\u5236\u9650\u306b\u5bfe\u51e6\u3057\u306a\u304c\u3089\u3001\u30d1\u30cd\u30eb\u306e\u8907\u96d1\u3055\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/VIOX-MP-1-MPCB.webp\" alt=\"VIOX motor protection circuit breaker MPCB with adjustable current settings and trip indicator\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\u8abf\u6574\u53ef\u80fd\u306a\u96fb\u6d41\u8a2d\u5b9a\u3092\u5099\u3048\u305fVIOX\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\uff08MPCB\uff09<\/figcaption><\/figure>\n<h3>\u4e8c\u91cd\u4fdd\u8b77\u6a5f\u69cb<\/h3>\n<p>MPCB\u306f\u3001 <strong>\u71b1\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u6a5f\u69cb<\/strong> \u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u30012\u3064\u306e\u7570\u306a\u308b\u4fdd\u8b77\u5c64\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u71b1\u7d20\u5b50\u2014\u901a\u5e38\u306f\u8abf\u6574\u53ef\u80fd\u306a\u30d0\u30a4\u30e1\u30bf\u30eb\u30b9\u30c8\u30ea\u30c3\u30d7\u2014\u306f\u96fb\u6d41\u306e\u6d41\u308c\u3092\u76e3\u8996\u3057\u3001\u6301\u7d9a\u7684\u306a\u904e\u8ca0\u8377\u72b6\u614b\u304c\u30d7\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u305f\u3057\u304d\u3044\u5024\u3092\u8d85\u3048\u308b\u3068\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3059\u3002\u3053\u306e\u71b1\u30c8\u30ea\u30c3\u30d7\u306f\u3001\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u3068\u540c\u69d8\u306e\u9006\u6642\u9593-\u96fb\u6d41\u66f2\u7dda\u3067\u52d5\u4f5c\u3057\u3001\u30e2\u30fc\u30bf\u30fc\u306e\u59cb\u52d5\u96fb\u6d41\u3092\u8a31\u53ef\u3057\u306a\u304c\u3089\u3001\u9577\u671f\u306e\u904e\u8ca0\u8377\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/MPCB-internal-construction-cutaway-showing-thermal-and-magnetic-trip-mechanisms.webp\" alt=\"MPCB internal construction cutaway showing thermal and magnetic trip mechanisms - VIOX Electric technical diagram\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\u71b1\u304a\u3088\u3073\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u6a5f\u69cb\u3092\u793a\u3059MPCB\u306e\u5185\u90e8\u69cb\u9020<\/figcaption><\/figure>\n<p>\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u7d20\u5b50\u306f\u3001\u77ed\u7d61\u306b\u5bfe\u3059\u308b\u77ac\u6642\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6545\u969c\u96fb\u6d41\u304c\u5b9a\u683c\u96fb\u6d41\u306e\u6240\u5b9a\u306e\u500d\u6570\uff08\u901a\u5e38\u306f10\u301c14\u500d\uff09\u3092\u8d85\u3048\u308b\u3068\u3001\u96fb\u6d41\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u305f\u78c1\u5834\u304c\u30df\u30ea\u79d2\u4ee5\u5185\u306b\u30c8\u30ea\u30c3\u30d7\u6a5f\u69cb\u3092\u4f5c\u52d5\u3055\u305b\u307e\u3059\u3002\u3053\u306e\u8fc5\u901f\u306a\u5fdc\u7b54\u306b\u3088\u308a\u3001\u30e2\u30fc\u30bf\u30fc\u5dfb\u7dda\u3001\u30b1\u30fc\u30d6\u30eb\u3001\u304a\u3088\u3073\u4e0b\u6d41\u306e\u6a5f\u5668\u3078\u306e\u640d\u50b7\u3092\u9632\u304e\u307e\u3059\u3002\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u306f\u6e29\u5ea6\u3068\u306f\u7121\u95a2\u4fc2\u306b\u52d5\u4f5c\u3057\u3001\u6975\u7aef\u306a\u5468\u56f2\u6761\u4ef6\u4e0b\u3067\u3082\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u4fdd\u8b77\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u6700\u65b0\u306eMPCB\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd<\/h3>\n<p>\u73fe\u4ee3\u306eMPCB\u306f\u3001\u57fa\u672c\u7684\u306a\u4fdd\u8b77\u3092\u8d85\u3048\u308b\u6a5f\u80fd\u3092\u7d44\u307f\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002. <strong>\u4f4d\u76f8\u6545\u969c\u611f\u5ea6<\/strong> \u306f\u3001\u96fb\u5727\u306e\u4e0d\u5747\u8861\u307e\u305f\u306f\u5b8c\u5168\u306a\u4f4d\u76f8\u6b20\u640d\u3092\u691c\u51fa\u3057\u3001\u5358\u76f8\u904b\u8ee2\u304c\u30e2\u30fc\u30bf\u30fc\u3092\u640d\u50b7\u3059\u308b\u524d\u306b\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u30c8\u30ea\u30c3\u30d7\u3057\u307e\u3059\u3002. <strong>\u8abf\u6574\u53ef\u80fd\u306a\u30c8\u30ea\u30c3\u30d7\u8a2d\u5b9a<\/strong> \u306b\u3088\u308a\u3001\u30e2\u30fc\u30bf\u30fc\u306e\u7279\u6027\u306b\u6b63\u78ba\u306b\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u2014\u307b\u3068\u3093\u3069\u306eMPCB\u306f\u3001\u516c\u79f0\u5b9a\u683c\u306e\u00b120\u301c25\uff05\u306e\u96fb\u6d41\u8abf\u6574\u7bc4\u56f2\u3092\u63d0\u4f9b\u3057\u30011\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u308f\u305a\u304b\u306b\u7570\u306a\u308b\u5168\u8ca0\u8377\u96fb\u6d41\u3092\u6301\u3064\u30e2\u30fc\u30bf\u30fc\u3092\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p>\u591a\u304f\u306eMPCB\u306b\u306f\u3001 <strong>\u30c8\u30ea\u30c3\u30d7\u8868\u793a\u6a5f\u69cb<\/strong> \u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u71b1\u52d5\u904e\u8ca0\u8377\u30c8\u30ea\u30c3\u30d7\u3068\u78c1\u6c17\u77ed\u7d61\u30c8\u30ea\u30c3\u30d7\u3092\u533a\u5225\u3057\u307e\u3059\u3002\u3053\u306e\u8a3a\u65ad\u6a5f\u80fd\u306b\u3088\u308a\u3001\u969c\u5bb3\u306e\u7a2e\u985e\u3092\u5373\u5ea7\u306b\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u8fc5\u901f\u5316\u3055\u308c\u307e\u3059\u3002\u4e00\u90e8\u306e\u9ad8\u5ea6\u306a\u30e2\u30c7\u30eb\u306b\u306f\u3001 <strong>\u88dc\u52a9\u63a5\u70b9<\/strong> \uff08\u30ea\u30e2\u30fc\u30c8\u4fe1\u53f7\u7528\uff09\u3001, <strong>\u30b7\u30e3\u30f3\u30c8\u30c8\u30ea\u30c3\u30d7\u30b3\u30a4\u30eb<\/strong> \uff08\u7dca\u6025\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u7d71\u5408\u7528\uff09\u3001\u304a\u3088\u3073 <strong>\u4e0d\u8db3\u96fb\u5727\u30ea\u30ea\u30fc\u30b9<\/strong> \uff08\u96fb\u6e90\u5fa9\u65e7\u5f8c\u306e\u81ea\u52d5\u518d\u8d77\u52d5\u3092\u9632\u3050\u305f\u3081\uff09\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<hr>\n<h2>\u5305\u62ec\u7684\u306a\u6bd4\u8f03\uff1a\u71b1\u52d5\u904e\u8ca0\u8377\u7d99\u96fb\u5668\u3068MPCB<\/h2>\n<table border=\"1\" cellpadding=\"10\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%; margin: 20px 0; border: 1px solid #ddd;\">\n<thead style=\"background-color: #f9f9f9;\">\n<tr>\n<th style=\"text-align: left;\">\u7279\u5fb4<\/th>\n<th style=\"text-align: left;\">\u71b1\u904e\u8ca0\u8377\u306b\u30ea\u30ec\u30fc<\/th>\n<th style=\"text-align: left;\">Motor Protection Circuit Breaker (MPCB) (\u30e2\u30fc\u30bf\u4fdd\u8b77\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\uff08MPCB\uff09)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u904e\u8ca0\u8377\u4fdd\u8b77<\/strong><\/td>\n<td>\u306f\u3044\uff08\u71b1\u7d20\u5b50\uff09<\/td>\n<td>\u306f\u3044\uff08\u8abf\u6574\u53ef\u80fd\u306a\u71b1\u7d20\u5b50\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u77ed\u7d61\u4fdd\u8b77<\/strong><\/td>\n<td>\u3044\u3044\u3048\uff08\u5225\u9014\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u5fc5\u8981\uff09<\/td>\n<td>\u306f\u3044\uff08\u7d71\u5408\u3055\u308c\u305f\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4f4d\u76f8\u6545\u969c\u691c\u51fa<\/strong><\/td>\n<td>\u3044\u3044\u3048\uff08\u7279\u6b8a\u30e2\u30c7\u30eb\u3092\u9664\u304f\uff09<\/td>\n<td>\u306f\u3044\uff08\u307b\u3068\u3093\u3069\u306e\u30e2\u30c7\u30eb\u3067\u6a19\u6e96\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u624b\u52d5\u5207\u308a\u66ff\u3048<\/strong><\/td>\n<td>\u3044\u3044\u3048\uff08\u5236\u5fa1\u56de\u8def\u306e\u307f\u3092\u30c8\u30ea\u30c3\u30d7\uff09<\/td>\n<td>\u306f\u3044\uff08\u624b\u52d5ON\/OFF\u64cd\u4f5c\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30c8\u30ea\u30c3\u30d7\u5fdc\u7b54\u6642\u9593\uff08\u904e\u8ca0\u8377\uff09<\/strong><\/td>\n<td>150\uff05FLC\u30675\u301c30\u79d2<\/td>\n<td>150\uff05FLC\u30675\u301c30\u79d2<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30c8\u30ea\u30c3\u30d7\u5fdc\u7b54\u6642\u9593\uff08\u77ed\u7d61\uff09<\/strong><\/td>\n<td>\u8a72\u5f53\u306a\u3057<\/td>\n<td>10\u30df\u30ea\u79d2\u672a\u6e80<\/td>\n<\/tr>\n<tr>\n<td><strong>\u96fb\u6d41\u8abf\u6574\u7bc4\u56f2<\/strong><\/td>\n<td>\u9650\u5b9a\u7684\uff08\u591a\u304f\u306e\u5834\u5408\u3001\u56fa\u5b9a\u30af\u30e9\u30b9\uff09<\/td>\n<td>\u5e83\u3044\uff08\u901a\u5e38\u00b120\u301c25\uff05\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8a2d\u7f6e\u30b9\u30da\u30fc\u30b9<\/strong><\/td>\n<td>\u30b3\u30f3\u30bf\u30af\u30bf + \u30ea\u30ec\u30fc + \u30d6\u30ec\u30fc\u30ab\u304c\u5fc5\u8981<\/td>\n<td>\u5358\u4e00\u306e\u7d71\u5408\u30c7\u30d0\u30a4\u30b9<\/td>\n<\/tr>\n<tr>\n<td><strong>\u914d\u7dda\u306e\u8907\u96d1\u3055<\/strong><\/td>\n<td>\u3088\u308a\u9ad8\u3044\uff08\u8907\u6570\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff09<\/td>\n<td>\u3088\u308a\u4f4e\u3044\uff08\u63a5\u7d9a\u304c\u5c11\u306a\u3044\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30c8\u30ea\u30c3\u30d7\u8868\u793a<\/strong><\/td>\n<td>\u57fa\u672c\uff08\u624b\u52d5\u30ea\u30bb\u30c3\u30c8\u30dc\u30bf\u30f3\uff09<\/td>\n<td>\u9ad8\u5ea6\uff08\u71b1\/\u78c1\u6c17\u7279\u6027\u306e\u533a\u5225\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6a19\u6e96\u7684\u306a\u30b3\u30b9\u30c8\uff08\u30e2\u30fc\u30bf\u30fc1\u53f0\u3042\u305f\u308a\uff09<\/strong><\/td>\n<td>$15-50\uff08\u30ea\u30ec\u30fc\u306e\u307f\u3001\u30d6\u30ec\u30fc\u30ab\u306f\u9664\u304f\uff09<\/td>\n<td>$60-200\uff08\u5b8c\u5168\u306a\u4fdd\u8b77\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30ea\u30bb\u30c3\u30c8\u65b9\u6cd5<\/strong><\/td>\n<td>\u624b\u52d5\u307e\u305f\u306f\u81ea\u52d5<\/td>\n<td>\u30de\u30cb\u30e5\u30a2\u30eb\u306e\u307f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u88dc\u52a9\u63a5\u70b9<\/strong><\/td>\n<td>\u306f\u3044\uff08\u6a19\u6e96\uff09<\/td>\n<td>\u30aa\u30d7\u30b7\u30e7\u30f3\uff08\u30e2\u30c7\u30eb\u306b\u3088\u308b\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30d9\u30b9\u30c8\u30fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong><\/td>\n<td>\u30de\u30eb\u30c1\u30e2\u30fc\u30bf\u30fc\u5236\u5fa1\u3001VFD\u51fa\u529b<\/td>\n<td>\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u3001\u7701\u30b9\u30da\u30fc\u30b9\u30d1\u30cd\u30eb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Time-current-characteristic-curves-comparing-thermal-overload-relay-and-MPCB-protection-zones.webp\" alt=\"Time-current characteristic curves comparing thermal overload relay and MPCB protection zones - VIOX Electric\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; color: #555; margin-top: 8px;\">\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u3068MPCB\u306e\u4fdd\u8b77\u30be\u30fc\u30f3\u3092\u6bd4\u8f03\u3059\u308b\u6642\u9593\u96fb\u6d41\u7279\u6027\u66f2\u7dda<\/figcaption><\/figure>\n<hr>\n<h2>\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408<\/h2>\n<p>\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306f\u3001\u305d\u306e\u7279\u6027\u304c\u30b7\u30b9\u30c6\u30e0\u8981\u4ef6\u3068\u4e00\u81f4\u3059\u308b\u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u3001\u4f9d\u7136\u3068\u3057\u3066\u6700\u9069\u306a\u9078\u629e\u80a2\u3067\u3059\u3002. <strong>\u53ef\u5909\u5468\u6ce2\u6570\u30c9\u30e9\u30a4\u30d6\uff08VFD\uff09\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> \u306f\u3001\u51fa\u529b\u5074\u306e\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u304b\u3089\u6069\u6075\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002VFD\u306f\u56fa\u6709\u306e\u77ed\u7d61\u4fdd\u8b77\u3068\u96fb\u6d41\u5236\u9650\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u3001MPCB\u306e\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u6a5f\u80fd\u306f\u5197\u9577\u306b\u306a\u308a\u307e\u3059\u3002 <a href=\"https:\/\/test.viox.com\/ja\/contactor-vs-motor-starter\/\">\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u4ed8\u304d\u30b3\u30f3\u30bf\u30af\u30bf<\/a> \u3092VFD\u51fa\u529b\u306b\u4f7f\u7528\u3059\u308b\u3068\u3001\u30e2\u30fc\u30bf\u30fc\u56fa\u6709\u306e\u904e\u8ca0\u8377\u4fdd\u8b77\u304c\u63d0\u4f9b\u3055\u308c\u3001VFD\u304c\u969c\u5bb3\u72b6\u614b\u3092\u7ba1\u7406\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p><strong>\u8907\u6570\u306e\u30e2\u30fc\u30bf\u30fc\u306e\u9023\u643a<\/strong> \u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u304c\u6709\u5229\u3067\u3059\u3002\u8907\u6570\u306e\u30e2\u30fc\u30bf\u30fc\u304c\u5171\u901a\u306e\u96fb\u6e90\u304b\u3089\u500b\u5225\u306e\u5236\u5fa1\u8981\u4ef6\u3067\u52d5\u4f5c\u3059\u308b\u5834\u5408\u3001\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u4ed8\u304d\u306e\u30b3\u30f3\u30bf\u30af\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5404\u30e2\u30fc\u30bf\u30fc\u306b\u72ec\u7acb\u3057\u305f\u904e\u8ca0\u8377\u4fdd\u8b77\u304c\u63d0\u4f9b\u3055\u308c\u3001\u4e0a\u6d41\u306e\u77ed\u7d61\u4fdd\u8b77\u304c\u5171\u6709\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3088\u308a\u3001\u5404\u30e2\u30fc\u30bf\u30fc\u306b\u500b\u5225\u306eMPCB\u3092\u4f7f\u7528\u3059\u308b\u3088\u308a\u3082\u30b3\u30b9\u30c8\u304c\u524a\u6e1b\u3055\u308c\u307e\u3059\u3002\u30ea\u30ec\u30fc\u306e\u88dc\u52a9\u63a5\u70b9\u306fPLC\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u3068\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u7d71\u5408\u3055\u308c\u3001\u9ad8\u5ea6\u306a\u30a4\u30f3\u30bf\u30fc\u30ed\u30c3\u30af\u304a\u3088\u3073\u30b7\u30fc\u30b1\u30f3\u30b9\u30ed\u30b8\u30c3\u30af\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u7279\u5b9a\u306e\u30c8\u30ea\u30c3\u30d7\u30af\u30e9\u30b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> \u3067\u306f\u3001\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002. <a href=\"https:\/\/test.viox.com\/ja\/what-is-trip-class-motor-protection-guide\/\">\u30c8\u30ea\u30c3\u30d7\u30af\u30e9\u30b9\u5b9a\u683c<\/a> \uff08\u30af\u30e9\u30b910\u300120\u300130\uff09\u306f\u3001\u904e\u8ca0\u8377\u30c7\u30d0\u30a4\u30b9\u304c\u5168\u8ca0\u8377\u96fb\u6d41\u306e600%\u3067\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u307e\u3067\u306b\u8a31\u5bb9\u3055\u308c\u308b\u6700\u5927\u6642\u9593\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u9060\u5fc3\u30d5\u30a1\u30f3\u3084\u5927\u578b\u30d5\u30e9\u30a4\u30db\u30a4\u30fc\u30eb\u306a\u3069\u306e\u9ad8\u6163\u6027\u8ca0\u8377\u3067\u306f\u3001\u52a0\u901f\u6642\u9593\u3092\u8003\u616e\u3057\u3066\u30af\u30e9\u30b920\u307e\u305f\u306f30\u306e\u4fdd\u8b77\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e00\u90e8\u306eMPCB\u306f\u8abf\u6574\u53ef\u80fd\u306a\u30c8\u30ea\u30c3\u30d7\u30af\u30e9\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306f\u3001\u3088\u308a\u5e45\u5e83\u3044\u7279\u6b8a\u306a\u30c8\u30ea\u30c3\u30d7\u7279\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<hr>\n<h2>\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408<\/h2>\n<p>MPCB\u306f\u3001\u7d71\u5408\u3055\u308c\u305f\u6a5f\u80fd\u304c\u5177\u4f53\u7684\u306a\u30e1\u30ea\u30c3\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3059\u3002. <strong>\u30b9\u30da\u30fc\u30b9\u306b\u5236\u7d04\u306e\u3042\u308b\u5236\u5fa1\u76e4<\/strong> \u306f\u3001MPCB\u306e\u8a2d\u7f6e\u304b\u3089\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u3092\u5f97\u3089\u308c\u307e\u3059\u3002\u500b\u5225\u306e\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u3092\u6392\u9664\u3057\u3001\u30b3\u30f3\u30bf\u30af\u30bf\u3068\u30ea\u30ec\u30fc\u306e\u30d5\u30c3\u30c8\u30d7\u30ea\u30f3\u30c8\u3092\u524a\u6e1b\u3059\u308b\u3053\u3068\u3067\u3001MPCB\u306f\u30d1\u30cd\u30eb\u30b9\u30da\u30fc\u30b9\u306e\u8981\u4ef6\u309230\u301c40%\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30b9\u30da\u30fc\u30b9\u52b9\u7387\u306f\u3001\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u5c0f\u578b\u5316\u3001\u6750\u6599\u30b3\u30b9\u30c8\u306e\u524a\u6e1b\u3001\u304a\u3088\u3073\u30d1\u30cd\u30eb\u5185\u306e\u653e\u71b1\u6027\u306e\u5411\u4e0a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u8907\u96d1\u306a\u5236\u5fa1\u8981\u4ef6\u306e\u306a\u3044\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u30e2\u30fc\u30bf\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> 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<strong>\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306e\u8a2d\u7f6e<\/strong> \u306b\u306f\u3001\u77ed\u7d61\u4fdd\u8b77\u7528\u306e\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u3001 <a href=\"https:\/\/test.viox.com\/ja\/what-is-a-contactor\/\">\u8ca0\u8377\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7528\u306e\u30b3\u30f3\u30bf\u30af\u30bf<\/a>, 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<strong>\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u30b7\u30b9\u30c6\u30e0<\/strong> \u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30b3\u30b9\u30c8\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u9ad8\u54c1\u8cea\u306e\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306e\u30b3\u30b9\u30c8\u306f$15-50\u3067\u3001\u30b3\u30f3\u30bf\u30af\u30bf\uff08$30-150\uff09\u3068\u56de\u8def\u30d6\u30ec\u30fc\u30ab\uff08$20-80\uff09\u306b\u52a0\u3048\u3066\u3001\u30e2\u30fc\u30bf\u30fc\u306e\u30b5\u30a4\u30ba\u3068\u4ed5\u69d8\u306b\u5fdc\u3058\u3066\u5408\u8a08$65-280\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u8a2d\u7f6e\u4f5c\u696d\u306b\u306f\u901a\u5e38\u3001\u30e2\u30fc\u30bf\u30fc\u30dd\u30a4\u30f3\u30c8\u3042\u305f\u308a$100-200\u304c\u8ffd\u52a0\u3055\u308c\u3001\u30d1\u30cd\u30eb\u30b9\u30da\u30fc\u30b9\u304c\u5927\u304d\u304f\u306a\u308b\u3068\u3001\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u30b3\u30b9\u30c8\u304c\u30e2\u30fc\u30bf\u30fc\u3042\u305f\u308a$50-100\u5897\u52a0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>MPCB\u30b7\u30b9\u30c6\u30e0<\/strong> \u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u3001\u6700\u592715 kW\u306e\u30e2\u30fc\u30bf\u30fc\u3067$60-200\u306e\u7bc4\u56f2\u3067\u3059\u304c\u3001\u914d\u7dda\u304c\u7c21\u7d20\u5316\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u8a2d\u7f6e\u4f5c\u696d\u306f\u901a\u5e3830\u301c40%\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u30d1\u30cd\u30eb\u30b9\u30da\u30fc\u30b9\u306e\u7bc0\u7d04\u306b\u3088\u308a\u3001\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3067\u304d\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u6570\u304c\u524a\u6e1b\u3055\u308c\u308b\u305f\u3081\u3001\u5728\u5eab\u306e\u8907\u96d1\u3055\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002\u8abf\u6574\u53ef\u80fd\u306a\u8a2d\u5b9a\u3092\u5099\u3048\u305f1\u3064\u306eMPCB\u30e2\u30c7\u30eb\u3067\u3001\u8907\u6570\u306e\u56fa\u5b9a\u5b9a\u683c\u306e\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u3092\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u300210\u5e74\u9593\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u5168\u4f53\u3067\u3001MPCB\u306f\u521d\u671f\u4fa1\u683c\u304c\u9ad8\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u7dcf\u6240\u6709\u30b3\u30b9\u30c8\u304c\u4f4e\u3044\u3053\u3068\u3092\u793a\u3059\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u30b7\u30ca\u30ea\u30aa\u3067MPCB\u306b\u6709\u5229\u3067\u3059\u3002\u7d71\u5408\u3055\u308c\u305f\u8a2d\u8a08\u306b\u3088\u308a\u3001\u7570\u306a\u308b\u30e1\u30fc\u30ab\u30fc\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u6f5c\u5728\u7684\u306a\u4e92\u63db\u6027\u306e\u554f\u984c\u304c\u89e3\u6d88\u3055\u308c\u307e\u3059\u3002\u7d71\u5408\u3055\u308c\u305f\u30c8\u30ea\u30c3\u30d7\u8868\u793a\u306b\u3088\u308a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u8fc5\u901f\u5316\u3055\u308c\u3001\uff08\u4e00\u90e8\u306e\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u3067\u5229\u7528\u53ef\u80fd\u306a\u81ea\u52d5\u30ea\u30bb\u30c3\u30c8\u3067\u306f\u306a\u304f\uff09\u624b\u52d5\u30ea\u30bb\u30c3\u30c8\u8981\u4ef6\u306b\u3088\u308a\u3001\u30e2\u30fc\u30bf\u30fc\u3092\u640d\u50b7\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u7e70\u308a\u8fd4\u3057\u306e\u518d\u8d77\u52d5\u8a66\u884c\u304c\u9632\u6b62\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001MPCB\u306e\u6545\u969c\u306b\u306f\u30c7\u30d0\u30a4\u30b9\u5168\u4f53\u306e\u4ea4\u63db\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u500b\u3005\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4ea4\u63db\u304c\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n<hr>\n<h2>\u898f\u683c\u3068\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/h2>\n<p>\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u3068MPCB\u306e\u4e21\u65b9\u304c\u56fd\u969b\u898f\u683c\u306b\u6e96\u62e0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u9069\u7528\u3055\u308c\u308b\u898f\u683c\u306f\u7570\u306a\u308a\u307e\u3059\u3002. <strong>\u30b5\u30fc\u30de\u30eb\u904e\u8ca0\u8377\u30ea\u30ec\u30fc<\/strong> \u306f\u3001\u56fd\u969b\u5e02\u5834\u3067\u306fIEC 60947-4-1\uff08\u30b3\u30f3\u30bf\u30af\u30bf\u304a\u3088\u3073\u30e2\u30fc\u30bf\u30fc\u30b9\u30bf\u30fc\u30bf\u30fc\uff09\u306b\u3001\u5317\u7c73\u3067\u306fUL 508\uff08\u7523\u696d\u7528\u5236\u5fa1\u6a5f\u5668\uff09\u306b\u8a72\u5f53\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u898f\u683c\u306f\u3001\u71b1\u7279\u6027\u3001\u30c8\u30ea\u30c3\u30d7\u30af\u30e9\u30b9\u5b9a\u683c\u3001\u5468\u56f2\u6e29\u5ea6\u88dc\u511f\u3001\u304a\u3088\u3073\u30b3\u30f3\u30bf\u30af\u30bf\u3068\u306e\u9023\u643a\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002. <a href=\"https:\/\/test.viox.com\/ja\/iec-61095-vs-iec-60947-4-1-household-industrial-contactors\/\">\u3053\u308c\u3089\u306e\u898f\u683c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068<\/a> \u306f\u3001\u9069\u5207\u306a\u30c7\u30d0\u30a4\u30b9\u306e\u9078\u629e\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u9023\u643a\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n<p><strong>MPCB<\/strong> \u306f\u3001\u56fd\u969b\u7684\u306b\u306fIEC 60947-2\uff08\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\uff09\u3001\u5317\u7c73\u3067\u306fUL 508\u30bf\u30a4\u30d7E\u30e2\u30fc\u30bf\u30fc\u56de\u8def\u30d7\u30ed\u30c6\u30af\u30bf\u30fc\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u898f\u683c\u306f\u3001\u906e\u65ad\u5bb9\u91cf\u3001\u6295\u5165\u5bb9\u91cf\u3001\u4e0b\u6d41\u30c7\u30d0\u30a4\u30b9\u3068\u306e\u9023\u643a\u3001\u304a\u3088\u3073\u4fdd\u8b77\u7279\u6027\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u306e\u533a\u5225\u306f\u91cd\u8981\u3067\u3059\u3002IEC 60947-2\u306e\u8a8d\u8a3c\u3092\u53d7\u3051\u305fMPCB\u306f\u3001\u691c\u8a3c\u6e08\u307f\u306e\u77ed\u7d61\u906e\u65ad\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001IEC 60947-4-1\u306e\u307f\u306e\u8a8d\u8a3c\u3092\u53d7\u3051\u305f\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306f\u63d0\u4f9b\u3057\u307e\u305b\u3093\u3002.<\/p>\n<p><strong>\u5354\u8abf\u7814\u7a76<\/strong> \u306f\u3001\u3053\u308c\u3089\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u9069\u5207\u306a\u9023\u643a\u306b\u3088\u308a\u3001\u969c\u5bb3\u306b\u6700\u3082\u8fd1\u3044\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u304c\u6700\u521d\u306b\u52d5\u4f5c\u3057\u3001\u4ed6\u306e\u56de\u8def\u3078\u306e\u6df7\u4e71\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002. <a href=\"https:\/\/test.viox.com\/ja\/what-is-breaker-selectivity-coordination-guide\/\">\u56de\u8def\u4fdd\u8b77\u306e\u9023\u643a<\/a> 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<strong>\u5236\u5fa1\u306e\u8907\u96d1\u3055<\/strong>. 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\/>\n    A\uff1a\u5fc5\u305a\u3057\u3082\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u73fe\u5728\u306e\u8a2d\u5b9a\u3067\u30ea\u30e2\u30fc\u30c8\u5236\u5fa1\u307e\u305f\u306f\u30e2\u30fc\u30bf\u30fc\u306e\u53cd\u8ee2\u306b\u63a5\u89e6\u5668\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u63a5\u89e6\u5668\u3092\u4fdd\u6301\u3057\u3001MPCB\u3092\u4fdd\u8b77\u306e\u307f\u306b\u4f7f\u7528\u3059\u308b\u304b\u3001\u30ea\u30e2\u30fc\u30c8\u64cd\u4f5c\u6a5f\u80fd\u3092\u5099\u3048\u305fMPCB\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002MPCB\u306e\u906e\u65ad\u5bb9\u91cf\u304c\u3001\u8a2d\u7f6e\u5834\u6240\u3067\u4f7f\u7528\u53ef\u80fd\u306a\u6545\u969c\u96fb\u6d41\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u3001\u8d85\u3048\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>Q\uff1a\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306b\u7570\u306a\u308b\u30c8\u30ea\u30c3\u30d7\u30af\u30e9\u30b9\u304c\u3042\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/strong><br \/>\n    A\uff1a\u30c8\u30ea\u30c3\u30d7\u30af\u30e9\u30b9\uff0810\u300120\u300130\uff09\u306f\u3001\u30ea\u30ec\u30fc\u304c\u5b9a\u683c\u96fb\u6d41\u306e600%\u3067\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6700\u5927\u6642\u9593\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u30af\u30e9\u30b910\u306f10\u79d2\u4ee5\u5185\u306b\u30c8\u30ea\u30c3\u30d7\u3057\u3001\u6a19\u6e96\u30e2\u30fc\u30bf\u30fc\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30b920\uff0820\u79d2\uff09\u304a\u3088\u3073\u30af\u30e9\u30b930\uff0830\u79d2\uff09\u306f\u3001\u52a0\u901f\u6642\u9593\u304c\u9577\u3044\u9ad8\u6163\u6027\u8ca0\u8377\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u9593\u9055\u3063\u305f\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8aa4\u30c8\u30ea\u30c3\u30d7\u307e\u305f\u306f\u4e0d\u9069\u5207\u306a\u4fdd\u8b77\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>Q\uff1aMPCB\u306f\u53ef\u5909\u5468\u6ce2\u6570\u30c9\u30e9\u30a4\u30d6\u3067\u52d5\u4f5c\u3057\u307e\u3059\u304b\uff1f<\/strong><br \/>\n    A\uff1aMPCB\u306f\u5165\u529b\u4fdd\u8b77\u306e\u305f\u3081\u306bVFD\u306e\u4e0a\u6d41\u306b\u8a2d\u7f6e\u3067\u304d\u307e\u3059\u304c\u3001\u4e00\u822c\u7684\u306bVFD\u51fa\u529b\u3067\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u3002VFD\u306ePWM\u51fa\u529b\u6ce2\u5f62\u306f\u3001\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u8981\u7d20\u3067\u8aa4\u30c8\u30ea\u30c3\u30d7\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u51fa\u529b\u5074\u306e\u4fdd\u8b77\u306b\u306f\u3001\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u307e\u305f\u306fVFD\u306e\u7d44\u307f\u8fbc\u307f\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>Q\uff1a\u30e2\u30fc\u30bf\u30fc\u306eMPCB\u306e\u30b5\u30a4\u30ba\u306f\u3069\u306e\u3088\u3046\u306b\u6c7a\u5b9a\u3057\u307e\u3059\u304b\uff1f<\/strong><br \/>\n    A\uff1a\u9298\u677f\u306e\u30e2\u30fc\u30bf\u30fc\u306e\u5168\u8ca0\u8377\u96fb\u6d41\uff08FLC\uff09\u3092\u542b\u3080\u8abf\u6574\u53ef\u80fd\u306a\u96fb\u6d41\u7bc4\u56f2\u3092\u5099\u3048\u305fMPCB\u3092\u9078\u629e\u3057\u307e\u3059\u3002MPCB\u306e\u71b1\u8abf\u6574\u3092FLC\u306b\u4e00\u81f4\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u59cb\u52d5\u96fb\u6d41\u304c\u9ad8\u3044\u30e2\u30fc\u30bf\u30fc\u306e\u5834\u5408\u306f\u3001MPCB\u306e\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u3057\u304d\u3044\u5024\uff08\u901a\u5e38\u306f\u5b9a\u683c\u96fb\u6d41\u306e10\u301c14\u500d\uff09\u304c\u59cb\u52d5\u4e2d\u306b\u8aa4\u30c8\u30ea\u30c3\u30d7\u3092\u5f15\u304d\u8d77\u3053\u3055\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>Q\uff1a\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306f\u76f8\u6b20\u76f8\u3092\u691c\u51fa\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><br \/>\n    A\uff1a\u57fa\u672c\u7684\u306a\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306f\u3001\u76f8\u6b20\u76f8\u3092\u78ba\u5b9f\u306b\u691c\u51fa\u3067\u304d\u307e\u305b\u3093\u3002\u4e00\u90e8\u306e\u9ad8\u5ea6\u306a\u30e2\u30c7\u30eb\u306b\u306f\u76f8\u6b20\u76f8\u691c\u51fa\u6a5f\u80fd\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u306e\u6a5f\u80fd\u306f\u307b\u3068\u3093\u3069\u306eMPCB\u3067\u6a19\u6e96\u3067\u3059\u3002\u5358\u76f8\u904b\u8ee2\u306b\u3088\u308a\u3001\u30e2\u30fc\u30bf\u30fc\u306f\u6b8b\u308a\u306e\u76f8\u3067\u904e\u5270\u306a\u96fb\u6d41\u3092\u6d88\u8cbb\u3057\u3001\u6700\u7d42\u7684\u306b\u306f\u71b1\u904e\u8ca0\u8377\u304c\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30e2\u30fc\u30bf\u30fc\u306e\u640d\u50b7\u304c\u767a\u751f\u3059\u308b\u524d\u306b\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<p><strong>Q\uff1aMPCB\u3068\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306e\u4e00\u822c\u7684\u306a\u5bff\u547d\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b\uff1f<\/strong><br \/>\n    A\uff1a\u4e21\u65b9\u306e\u30c7\u30d0\u30a4\u30b9\u306e\u6a5f\u68b0\u7684\u5bff\u547d\u306f\u3001\u8ca0\u8377\u6761\u4ef6\u306b\u5fdc\u3058\u306610,000\u301c100,000\u56de\u306e\u52d5\u4f5c\u3067\u3059\u3002MPCB\u306f\u3001\u30a2\u30fc\u30af\u906e\u65ad\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u6469\u8017\u3059\u308b\u305f\u3081\u3001\u9ad8\u3044\u6545\u969c\u96fb\u6d41\u3092\u7e70\u308a\u8fd4\u3057\u906e\u65ad\u3059\u308b\u3068\u3001\u901a\u5e38\u3001\u96fb\u6c17\u7684\u5bff\u547d\u304c\u77ed\u304f\u306a\u308a\u307e\u3059\u3002\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306f\u3001\u6700\u5c0f\u9650\u306e\u96fb\u6d41\u3067\u5236\u5fa1\u56de\u8def\u306e\u307f\u3092\u906e\u65ad\u3057\u3001\u96fb\u6c17\u7684\u5bff\u547d\u3092\u5ef6\u3070\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u5b9a\u683c\u7bc4\u56f2\u5185\u3067\u306e\u52d5\u4f5c\u306b\u3088\u308a\u3001\u4e21\u65b9\u3068\u308215\u301c20\u5e74\u306e\u4f7f\u7528\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002.<\/p>\n<hr>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u3068\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u56de\u8def\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u3069\u3061\u3089\u3092\u9078\u629e\u3059\u308b\u304b\u306f\u3001\u6700\u7d42\u7684\u306b\u306f\u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8981\u4ef6\u3001\u4e88\u7b97\u306e\u5236\u7d04\u3001\u304a\u3088\u3073\u9577\u671f\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6226\u7565\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u306f\u3001\u30ea\u30e2\u30fc\u30c8\u64cd\u4f5c\u3001\u8907\u6570\u306e\u30e2\u30fc\u30bf\u30fc\u306e\u9023\u643a\u3001\u307e\u305f\u306f\u7279\u6b8a\u306a\u30c8\u30ea\u30c3\u30d7\u7279\u6027\u3092\u5fc5\u8981\u3068\u3059\u308b\u8907\u96d1\u306a\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u3067\u512a\u308c\u3066\u304a\u308a\u3001\u7279\u306b <a href=\"https:\/\/test.viox.com\/ja\/industrial-contactor-maintenance-inspection-checklist\/\">\u63a5\u89e6\u5668<\/a> \u3068\u9069\u5207\u306a\u4e0a\u6d41\u4fdd\u8b77\u3068\u7d44\u307f\u5408\u308f\u305b\u305f\u5834\u5408\u3002\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30b3\u30b9\u30c8\u304c\u4f4e\u304f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30ec\u30d9\u30eb\u306e\u4fdd\u5b88\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b9\u30bf\u30c3\u30d5\u304c\u3044\u308b\u5927\u898f\u6a21\u306a\u8a2d\u5099\u306b\u9b45\u529b\u7684\u3067\u3059\u3002.<\/p>\n<p>MPCB\u306f\u3001\u8a2d\u7f6e\u3092\u7c21\u7d20\u5316\u3057\u3001\u30d1\u30cd\u30eb\u30b9\u30da\u30fc\u30b9\u3092\u524a\u6e1b\u3057\u3001\u76f8\u6b20\u76f8\u3084\u77ed\u7d61\u306b\u5bfe\u3059\u308b\u512a\u308c\u305f\u4fdd\u8b77\u3092\u63d0\u4f9b\u3059\u308b\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u3067\u7d71\u5408\u3055\u308c\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u5305\u62ec\u7684\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u521d\u671f\u30b3\u30b9\u30c8\u304c\u9ad8\u3044\u5834\u5408\u3067\u3082\u3001\u8a2d\u7f6e\u4f5c\u696d\u306e\u524a\u6e1b\u3001\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u5c0f\u578b\u5316\u3001\u304a\u3088\u3073\u8fc5\u901f\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3088\u3063\u3066\u6b63\u5f53\u5316\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u30e2\u30fc\u30bf\u30fc\u3001\u30b9\u30da\u30fc\u30b9\u304c\u9650\u3089\u308c\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u307e\u305f\u306f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u5c02\u9580\u77e5\u8b58\u304c\u9650\u3089\u308c\u3066\u3044\u308b\u8a2d\u5099\u306e\u5834\u5408\u3001MPCB\u306f\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u306e\u6700\u65b0\u306e\u6a19\u6e96\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u6280\u8853\u304c\u96fb\u5b50\u304a\u3088\u3073\u30b9\u30de\u30fc\u30c8\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u5411\u3051\u3066\u9032\u6b69\u3057\u7d9a\u3051\u308b\u306b\u3064\u308c\u3066\u3001\u5f93\u6765\u306e\u71b1\u904e\u8ca0\u8377\u30ea\u30ec\u30fc\u3068\u5f93\u6765\u306eMPCB\u306e\u4e21\u65b9\u304c\u3001\u30c7\u30b8\u30bf\u30eb\u6a5f\u80fd\u3001\u901a\u4fe1\u6a5f\u80fd\u3001\u304a\u3088\u3073\u4e88\u77e5\u4fdd\u5168\u6a5f\u80fd\u3092\u5f90\u3005\u306b\u7d44\u307f\u8fbc\u3080\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4fdd\u8b77\u54f2\u5b66\u306e\u6839\u672c\u7684\u306a\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u4eca\u65e5\u306e\u60c5\u5831\u306b\u57fa\u3065\u3044\u305f\u610f\u601d\u6c7a\u5b9a\u3092\u884c\u3046\u3068\u540c\u6642\u306b\u3001\u5c06\u6765\u306e\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30fc\u30bf\u99c6\u52d5\u578b\u306e\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u306b\u5099\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p>\u306b\u95a2\u3059\u308b\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c0\u30f3\u30b9\u306b\u3064\u3044\u3066\u306f <a href=\"https:\/\/test.viox.com\/ja\/types-of-motor-starters-selection-guide\/\">\u30e2\u30fc\u30bf\u30fc\u4fdd\u8b77\u6226\u7565<\/a> \u305d\u3057\u3066 <a href=\"https:\/\/test.viox.com\/ja\/industrial-control-panel-components-guide\/\">\u7523\u696d\u7528\u5236\u5fa1\u76e4\u306e\u8a2d\u8a08<\/a>, VIOX Electric\u306f\u3001\u30e2\u30fc\u30bf\u30fc\u304c\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001\u5b8c\u5168\u306a\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3001\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u3001\u304a\u3088\u3073\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u5c02\u9580\u77e5\u8b58\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Direct Answer A thermal overload relay provides only overload protection for motors and must be paired with a separate circuit breaker for short-circuit protection, while a Motor Protection Circuit Breaker (MPCB) is an integrated device that combines overload protection, short-circuit protection, and often phase failure detection in a single compact unit. The key difference lies in functionality: thermal overload relays protect against prolonged overcurrent conditions through thermal elements, whereas MPCBs offer comprehensive motor protection including instantaneous magnetic trip for short circuits, adjustable thermal overload settings, and manual switching capabilities\u2014making MPCBs more versatile but typically more expensive than the traditional contactor-plus-overload relay combination. Key Takeaways Thermal overload relays require a separate [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21521,"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-21520","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\/21520","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=21520"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/21520\/revisions"}],"predecessor-version":[{"id":21522,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/21520\/revisions\/21522"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media\/21521"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media?parent=21520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/categories?post=21520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/tags?post=21520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}