{"id":852,"date":"2026-04-17T13:42:06","date_gmt":"2026-04-17T05:42:06","guid":{"rendered":"https:\/\/shen-jia.com.tw\/2026\/04\/17\/%e5%b7%a5%e6%a5%ad%e8%87%aa%e5%8b%95%e5%8c%96%e8%a8%ad%e5%82%99%e9%9b%bb%e8%b7%af%e4%bf%9d%e8%ad%b7%e5%af%a6%e6%88%b0%ef%bc%9amov-pptc-%e5%a4%9a%e7%b4%9a%e9%98%b2%e8%ad%b7%e6%96%b9%e6%a1%88%e8%a8%ad\/"},"modified":"2026-04-21T17:31:36","modified_gmt":"2026-04-21T09:31:36","slug":"industrial-circuit-protection","status":"publish","type":"post","link":"https:\/\/shen-jia.com.tw\/en\/industrial-circuit-protection\/","title":{"rendered":"Practical Application of Circuit Protection for Industrial Automation Equipment: Design of Multi-Stage Protection Scheme with MOV + PPTC"},"content":{"rendered":"<h2>\u5de5\u696d\u74b0\u5883\u7684\u96fb\u8def\u4fdd\u8b77\u6311\u6230<\/h2>\n<p>\u5de5\u696d\u81ea\u52d5\u5316\u8a2d\u5099\u904b\u4f5c\u5728\u56b4\u82db\u7684\u96fb\u6c23\u74b0\u5883\u4e2d\uff0c\u9762\u81e8\u591a\u7a2e\u77ac\u614b\u5a01\u8105\uff1a\u5927\u578b\u99ac\u9054\u555f\u505c\u7522\u751f\u7684\u7a81\u6ce2\u3001\u7e7c\u96fb\u5668\u5207\u63db\u7684\u96fb\u5f27\u5e72\u64fe\u3001\u5ee0\u5340\u96f7\u64ca\u611f\u61c9\u7684\u9ad8\u58d3\u8108\u885d\uff0c\u4ee5\u53ca\u96fb\u7db2\u6ce2\u52d5\u9020\u6210\u7684\u904e\u58d3\u554f\u984c\u3002\u9019\u4e9b\u77ac\u614b\u4e8b\u4ef6\u53ef\u80fd\u5c0e\u81f4 PLC \u63a7\u5236\u5668\u7576\u6a5f\u3001\u611f\u6e2c\u5668\u640d\u58de\u3001\u901a\u8a0a\u6a21\u7d44\u5931\u9748\uff0c\u751a\u81f3\u9020\u6210\u7522\u7dda\u505c\u64fa\uff0c\u5e36\u4f86\u9245\u984d\u7684\u505c\u5de5\u640d\u5931\u3002<\/p>\n\n<h2>\u591a\u7d1a\u9632\u8b77\u67b6\u69cb\u8a2d\u8a08<\/h2>\n<p>\u91dd\u5c0d\u5de5\u696d\u74b0\u5883\u7684\u8907\u96dc\u77ac\u614b\u5a01\u8105\uff0c\u55ae\u4e00\u4fdd\u8b77\u5143\u4ef6\u5f80\u5f80\u96e3\u4ee5\u9762\u9762\u4ff1\u5230\u3002\u627f\u5609\u79d1\u6280\u5efa\u8b70\u63a1\u7528\u591a\u7d1a\u9632\u8b77\u67b6\u69cb\uff0c\u5728\u4e0d\u540c\u4f4d\u7f6e\u90e8\u7f72\u4e92\u88dc\u7684\u4fdd\u8b77\u5143\u4ef6\uff0c\u5f62\u6210\u5b8c\u6574\u7684\u4fdd\u8b77\u93c8\u3002<\/p>\n\n<h3>\u7b2c\u4e00\u7d1a\uff1a\u96fb\u6e90\u5165\u53e3\u7aef \u2014 MOV \u5438\u6536\u5927\u80fd\u91cf\u7a81\u6ce2<\/h3>\n<p>\u5728\u8a2d\u5099\u96fb\u6e90\u8f38\u5165\u7aef\u5b89\u88dd MOV \u58d3\u654f\u96fb\u963b\uff0c\u4f5c\u70ba\u7b2c\u4e00\u9053\u9632\u7dda\u3002MOV \u8ca0\u8cac\u5438\u6536\u96f7\u64ca\u611f\u61c9\u548c\u96fb\u7db2\u7a81\u6ce2\u7b49\u9ad8\u80fd\u91cf\u77ac\u614b\u4e8b\u4ef6\u3002\u9078\u578b\u91cd\u9ede\uff1aMCOV \u9700\u9ad8\u65bc\u96fb\u6e90\u96fb\u58d3\u5cf0\u503c\uff08\u4f8b\u5982 AC 220V \u96fb\u8def\u5efa\u8b70\u9078\u7528 MCOV \u2265 275V \u7684 MOV\uff09\uff0c\u7a81\u6ce2\u96fb\u6d41\n\n<p style=\"background:#f0f7ff;padding:12px 16px;border-left:4px solid #0066cc;margin:20px 0;\">\u2192 <a href=\"\/en\/mov-2\/\" style=\"color:#0066cc;font-weight:bold;\">\u67e5\u770b MOV \u7522\u54c1\u7cfb\u5217<\/a>\u3000\u2192 <a href=\"\/en\/pptc-2\/\" style=\"color:#0066cc;font-weight:bold;\">\u67e5\u770b PPTC \u7522\u54c1\u7cfb\u5217<\/a><\/p>\n\n\n\u8010\u91cf\u5efa\u8b70 \u2265 10kA\uff088\/20\u03bcs\uff09\uff0c\u80fd\u91cf\u5438\u6536\u80fd\u529b\u5247\u6839\u64da\u9632\u8b77\u7b49\u7d1a\u9700\u6c42\u9078\u64c7 150J \u81f3 400J \u4ee5\u4e0a\u7684\u898f\u683c\u3002<\/p>\n\n<h3>\u7b2c\u4e8c\u7d1a\uff1a\u76f4\u6d41\u532f\u6d41\u6392 \u2014 TVS \u7cbe\u78ba\u7b9d\u4f4d<\/h3>\n<p>\u5728\u76f4\u6d41\u96fb\u6e90\u532f\u6d41\u6392\u548c\u654f\u611f\u5143\u4ef6\u4f9b\u96fb\u7aef\u914d\u7f6e TVS \u4e8c\u6975\u9ad4\uff0c\u63d0\u4f9b\u7cbe\u78ba\u7684\u96fb\u58d3\u7b9d\u4f4d\u4fdd\u8b77\u3002TVS \u7684\u97ff\u61c9\u901f\u5ea6\u9060\u5feb\u65bc MOV\uff0c\u80fd\u6709\u6548\u8655\u7406 MOV \u6b98\u9918\u7684\u5feb\u901f\u77ac\u614b\u548c\u8fd1\u7aef\u7684\u958b\u95dc\u7a81\u6ce2\u3002\u9078\u578b\u5efa\u8b70\uff1aVWM \u61c9\u5927\u65bc\u532f\u6d41\u6392\u6b63\u5e38\u96fb\u58d3\uff0c\u7b9d\u4f4d\u96fb\u58d3\u9700\u4f4e\u65bc\u4e0b\u6e38\u5143\u4ef6\u7684\u6700\u5927\u8010\u58d3\u3002<\/p>\n\n<h3>\u7b2c\u4e09\u7d1a\uff1a\u4fe1\u865f\u7dda\u8def \u2014 PPTC \u904e\u6d41\u4fdd\u8b77<\/h3>\n<p>\u5728 I\/O \u6a21\u7d44\u3001\u611f\u6e2c\u5668\u4ecb\u9762\u548c\u901a\u8a0a\u7aef\u53e3\u914d\u7f6e PPTC \u53ef\u6062\u5fa9\u4fdd\u96aa\u7d72\uff0c\u9632\u6b62\u904e\u96fb\u6d41\u640d\u58de\u3002PPTC \u5728\u6b63\u5e38\u96fb\u6d41\u4e0b\u5448\u4f4e\u963b\u6297\uff0c\u4e0d\u5f71\u97ff\u4fe1\u865f\u50b3\u8f38\uff1b\u7576\u904e\u96fb\u6d41\u767c\u751f\u6642\uff0cPPTC \u8fc5\u901f\u5347\u6eab\u4e26\u5207\u63db\u81f3\u9ad8\u963b\u614b\uff0c\u9650\u5236\u96fb\u6d41\u81f3\u5b89\u5168\u7bc4\u570d\u3002\u6545\u969c\u6392\u9664\u5f8c\u81ea\u52d5\u6062\u5fa9\uff0c\u7121\u9700\u4eba\u5de5\u66f4\u63db\uff0c\u5927\u5e45\u964d\u4f4e\u7dad\u8b77\u6210\u672c\u3002<\/p>\n\n<h2>\u5be6\u969b\u6848\u4f8b\uff1aCNC \u52a0\u5de5\u4e2d\u5fc3\u7684\u4fdd\u8b77\u8a2d\u8a08<\/h2>\n<p>\u67d0 CNC\n\n<p style=\"background:#fff8e1;padding:12px 16px;border-left:4px solid #f5a623;margin:20px 0;\">\ud83d\udccb \u9700\u8981\u5831\u50f9\uff1f\u63d0\u4ea4\u60a8\u7684\u6599\u865f\u6216\u898f\u683c\u9700\u6c42\uff0c\u6211\u5011\u5728\u4e00\u500b\u5de5\u4f5c\u5929\u5167\u56de\u8986\u3002\u2192 <a href=\"\/en\/\u806f\u7d61\u6211\/\" style=\"color:#0066cc;font-weight:bold;\">Get a Quote<\/a><\/p>\n\n\n \u52a0\u5de5\u4e2d\u5fc3\u5728\u904b\u884c\u4e2d\u983b\u7e41\u51fa\u73fe\u63a7\u5236\u677f\u640d\u58de\u554f\u984c\uff0c\u7d93\u5206\u6790\u767c\u73fe\u4e3b\u8ef8\u99ac\u9054\u555f\u505c\u6642\u7522\u751f\u7684\u53cd\u96fb\u52d5\u52e2\u7a81\u6ce2\u900f\u904e\u5171\u7528\u96fb\u6e90\u532f\u6d41\u6392\u5f71\u97ff\u63a7\u5236\u96fb\u8def\u3002\u5c0e\u5165\u627f\u5609\u79d1\u6280\u7684\u591a\u7d1a\u9632\u8b77\u65b9\u6848\u5f8c\uff1a\u96fb\u6e90\u5165\u53e3\u7aef\u52a0\u88dd 20mm MOV\uff08MCOV 275V, 10kA\uff09\uff0cDC 24V \u532f\u6d41\u6392\u52a0\u88dd 1500W TVS\uff0c\u5404 I\/O \u901a\u9053\u52a0\u88dd PPTC\uff08\u4fdd\u6301\u96fb\u6d41 500mA\uff09\u3002\u6539\u5584\u5f8c\u63a7\u5236\u677f\u6545\u969c\u7387\u964d\u4f4e\u8d85\u904e 90%\uff0c\u8a2d\u5099\u7a3c\u52d5\u7387\u986f\u8457\u63d0\u5347\u3002<\/p>\n\n<h2>\u8a2d\u8a08\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u591a\u7d1a\u9632\u8b77\u8a2d\u8a08\u4e2d\uff0c\u5404\u7d1a\u4e4b\u9593\u61c9\u4fdd\u6301\u9069\u7576\u7684\u96fb\u6c23\u8ddd\u96e2\u6216\u52a0\u5165\u9000\u8026\u96fb\u963b\/\u96fb\u611f\uff0c\u78ba\u4fdd\u5404\u7d1a\u5143\u4ef6\u80fd\u4f9d\u5e8f\u52d5\u4f5c\u3002\u540c\u6642\u8981\u6ce8\u610f MOV \u7684\u52a3\u5316\u554f\u984c\uff0c\u5efa\u8b70\u642d\u914d\u71b1\u65b7\u8def\u5668\u4f7f\u7528\uff0c\u5728 MOV \u8001\u5316\u5931\u6548\u6642\u80fd\u5b89\u5168\u65b7\u958b\u3002\u4f48\u7dda\u65b9\u9762\uff0c\u4fdd\u8b77\u5143\u4ef6\u7684\u63a5\u5730\u8def\u5f91\u61c9\u76e1\u91cf\u77ed\u4e14\u7c97\uff0c\u964d\u4f4e\u5f15\u7dda\u96fb\u611f\u5c0d\u7b9d\u4f4d\u6548\u679c\u7684\u5f71\u97ff\u3002<\/p>\n\n<p>\u5982\u9700\u91dd\u5c0d\u7279\u5b9a\u8a2d\u5099\u9032\u884c\u96fb\u8def\u4fdd\u8b77\u8a2d\u8a08\u8aee\u8a62\uff0c\u6b61\u8fce<a href=\"\/en\/contact\/\">\u806f\u7d61\u627f\u5609\u79d1\u6280<\/a>\u6280\u8853\u5718\u968a\u3002<\/p>\n\n<div style=\"background:#f5f5f5;padding:24px;border-radius:8px;margin:30px 0;\"><p style=\"font-size:18px;font-weight:bold;margin:0 0 8px;\">\u9700\u8981\u5de5\u696d\u8a2d\u5099\u96fb\u8def\u4fdd\u8b77\u65b9\u6848\uff1f<\/p><p style=\"margin:0 0 16px;color:#555;\">\u627f\u5609\u79d1\u6280\u63d0\u4f9b MOV + PPTC \u591a\u7d1a\u9632\u8b77\u65b9\u6848\uff0c\u5354\u52a9\u60a8\u8a2d\u8a08\u7b26\u5408\u5de5\u898f\u7684\u4fdd\u8b77\u96fb\u8def\u3002<\/p><p style=\"margin:0;\"><a href=\"\/en\/\u806f\u7d61\u6211\/\" style=\"display:inline-block;background:#0066cc;color:#fff;padding:10px 20px;border-radius:4px;text-decoration:none;margin-right:8px;font-weight:bold;\">Get a Quote<\/a> <a href=\"\/en\/\u806f\u7d61\u6211\/\" style=\"display:inline-block;background:#fff;color:#0066cc;padding:10px 20px;border-radius:4px;text-decoration:none;border:1px solid #0066cc;margin-right:8px;\">\u7d22\u53d6\u898f\u683c\u66f8<\/a> <a href=\"\/en\/\u806f\u7d61\u6211\/\" style=\"display:inline-block;background:#fff;color:#0066cc;padding:10px 20px;border-radius:4px;text-decoration:none;border:1px solid #0066cc;\">Submit BOM list<\/a><\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>\u5de5\u696d\u74b0\u5883\u7684\u96fb\u8def\u4fdd\u8b77\u6311\u6230 \u5de5\u696d\u81ea\u52d5\u5316\u8a2d\u5099\u904b\u4f5c\u5728\u56b4\u82db\u7684\u96fb\u6c23\u74b0\u5883\u4e2d\uff0c\u9762\u81e8\u591a\u7a2e\u77ac\u614b\u5a01\u8105\uff1a\u5927\u578b\u99ac\u9054\u555f\u505c\u7522\u751f\u7684\u7a81\u6ce2\u3001\u7e7c\u96fb\u5668 [&#8230;]\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[72],"tags":[],"class_list":["post-852","post","type-post","status-publish","format-standard","hentry","category-application-cases"],"yoast_head":"<!-- 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