{"id":46887,"date":"2025-04-23T12:44:09","date_gmt":"2025-04-23T12:44:09","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=46887"},"modified":"2025-04-23T12:44:09","modified_gmt":"2025-04-23T12:44:09","slug":"nema-3r-vs-nema-4x","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/","title":{"rendered":"NEMA 4x \u4e0e NEMA 3r \u2013 \u5168\u9762\u5bf9\u6bd4"},"content":{"rendered":"<p>\u5728\u7535\u6c14\u5916\u58f3\u6216\u673a\u68b0\u5916\u58f3\u884c\u4e1a\uff0cNEMA \u5b89\u5168\u6807\u51c6\u4e0d\u5bb9\u5ffd\u89c6\u3002<a href=\"https:\/\/kdmfab.com\/nema-rating-for-electrical-enclosures\/\">NEMA \u6807\u51c6<\/a> \u53ef\u80fd\u4f1a\u5bf9\u60a8\u7684\u673a\u5668\u6216\u7535\u6c14\u7cfb\u7edf\u9020\u6210\u9ad8\u6602\u7684\u635f\u5931\u3002.<\/p>\n<p>\u5728\u4eca\u5929\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u6bd4\u8f83 NEMA 4X \u548c NEMA 3R\u3002\u6211\u4eec\u5c06\u63a2\u8ba8\u5b83\u4eec\u7684\u5b9a\u4e49\u3001\u9632\u62a4\u7b49\u7ea7\u4ee5\u53ca\u7b26\u5408\u8fd9\u4e9b NEMA \u7b49\u7ea7\u7684\u7535\u6c14\u5916\u58f3\u7684\u5177\u4f53\u4f7f\u7528\u573a\u666f\u3002.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u5207\u6362\u76ee\u5f55\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u6362<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#What_is_NEMA_4X\" >\u4ec0\u4e48\u662fNEMA 4X\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#What_is_NEMA_3R\" >\u4ec0\u4e48\u662fNEMA 3R\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#Differences_Between_NEMA_4X_and_NEMA_3R\" >NEMA 4X \u548c NEMA 3R \u7684\u533a\u522b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#%C2%B7_Water_Protection\" >\u00b7 \u6c34\u4fdd\u62a4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#%C2%B7_Dust_Resistance\" >\u00b7 \u9632\u5c18<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#%C2%B7_Ventilation_Design\" >\u00b7 \u901a\u98ce\u8bbe\u8ba1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#%C2%B7_Corrosion_Resistance\" >\u00b7 \u8010\u8150\u8680<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#%C2%B7_Construction_Material\" >\u5efa\u7b51\u6750\u6599<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#%C2%B7_Cost\" >\u00b7 \u6210\u672c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#Similarities_Between_NEMA_4X_and_NEMA_3R\" >NEMA 4X \u548c NEMA 3R \u7684\u76f8\u4f3c\u4e4b\u5904<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#Applications_of_NEMA_4X_vs_NEMA_3R\" >NEMA 4X \u4e0e NEMA 3R \u7684\u5e94\u7528\u5bf9\u6bd4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#FAQs\" >\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#Is_NEMA_4X_Suitable_for_Outdoor_Use\" >NEMA 4X \u662f\u5426\u9002\u5408\u6237\u5916\u4f7f\u7528\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#Is_NEMA_4X_Better_than_NEMA_12\" >NEMA 4X \u6bd4 NEMA 12 \u66f4\u597d\u5417\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#Can_You_use_NEMA_3R_Enclosure_Outdoors\" >NEMA 3R\u9632\u62a4\u7b49\u7ea7\u7684\u9632\u62a4\u7f69\u53ef\u4ee5\u5728\u6237\u5916\u4f7f\u7528\u5417\uff1f<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/zh\/nema-3r-\u4e0e-nema-4x-\u7684\u6bd4\u8f83\/#Conclusion\" >\u7ed3\u8bba<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_NEMA_4X\"><\/span>\u4ec0\u4e48\u662fNEMA 4X\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-46132 aligncenter\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-is-a-NEMA-4X-Enclosure.jpg\" alt=\"\u4ec0\u4e48\u662f NEMA 4X \u5916\u58f3\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-is-a-NEMA-4X-Enclosure.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-is-a-NEMA-4X-Enclosure-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-is-a-NEMA-4X-Enclosure-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-is-a-NEMA-4X-Enclosure-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><a href=\"https:\/\/www.kdmsteel.com\/zh\/nema-4x-\u89c4\u683c\/\">NEMA 4X<\/a> \u662f\u7531\u4ee5\u4e0b\u673a\u6784\u521b\u5efa\u7684\u72ec\u7279\u8bc4\u7ea7\uff1a <a href=\"https:\/\/www.nema.org\/\">\u5168\u56fd\u7535\u6c14\u5236\u9020\u5546\u534f\u4f1a<\/a> \u4e3a\u4e86\u786e\u4fdd\u60a8\u7684\u7535\u6c14\u5916\u58f3\u53ef\u9760\u4e14\u5b89\u5168\uff0c\u8fd9\u4e9b\u5916\u58f3\u91c7\u7528\u5bc6\u5c01\u57ab\u5708\u63a5\u7f1d\u548c\u5bc6\u5c01\u5f00\u53e3\uff0c\u4ee5\u9632\u6b62\u4efb\u4f55\u5f62\u5f0f\u7684\u4fb5\u5165\u3002\u5b83\u4eec\u5c24\u5176\u9002\u7528\u4e8e\u6076\u52a3\u73af\u5883\uff0c\u4f8b\u5982\u6d77\u6d0b\u73af\u5883\u548c\u5316\u5de5\u5382\u7b49\u6237\u5916\u573a\u6240\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_NEMA_3R\"><\/span>\u4ec0\u4e48\u662fNEMA 3R\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-46336 aligncenter\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/03\/What-is-a-NEMA-3R-Enclosure-1.jpg\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/03\/What-is-a-NEMA-3R-Enclosure-1.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/03\/What-is-a-NEMA-3R-Enclosure-1-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/03\/What-is-a-NEMA-3R-Enclosure-1-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/03\/What-is-a-NEMA-3R-Enclosure-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><a href=\"https:\/\/kdmfab.com\/nema-3r-enclosure\/\">NEMA 3R<\/a> \u9002\u7528\u4e8e\u5404\u79cd\u7535\u6c14\u5143\u4ef6\uff0c\u7279\u522b\u662f\u8f7b\u578b\u5e94\u7528\u73af\u5883\u7684\u5916\u58f3\u3002\u8fd9\u4e9b\u5916\u58f3\u8bbe\u6709\u6392\u6c34\u5b54\u548c\u901a\u98ce\u767e\u53f6\u7a97\uff0c\u5206\u522b\u7528\u4e8e\u6392\u51fa\u6c34\u548c\u4fc3\u8fdb\u7a7a\u6c14\u6d41\u901a\u3002\u5b83\u4eec\u5177\u6709\u4f18\u5f02\u7684\u9632\u6f6e\u6027\u80fd\uff0c\u4f46\u9632\u5c18\u6027\u80fd\u7565\u900a\u4e00\u7b79\u3002\u56e0\u6b64\uff0c\u5b83\u4eec\u975e\u5e38\u9002\u5408\u7528\u4e8e\u7167\u660e\u63a7\u5236\u9762\u677f\u548c\u6237\u5916\u7535\u8868\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Differences_Between_NEMA_4X_and_NEMA_3R\"><\/span>NEMA 4X \u548c NEMA 3R \u7684\u533a\u522b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u7535\u6c14\u5143\u4ef6\uff0c\u5c24\u5176\u662f\u5b89\u88c5\u5728\u5ba4\u5916\u7684\u5143\u4ef6\uff0c\u4f8b\u5982\u7535\u8868\uff0c\u9700\u8981\u9632\u6f6e\u3001\u9632\u5c18\u548c\u5176\u4ed6\u6076\u52a3\u5929\u6c14\u56e0\u7d20\u7684\u5f71\u54cd\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u5143\u4ef6\u7684\u9632\u62a4\u7b49\u7ea7\u5404\u4e0d\u76f8\u540c\uff0c\u56e0\u6b64\u6709\u4e86 NEMA 3R \u548c NEMA 4X \u7b49\u9632\u62a4\u7b49\u7ea7\u3002\u8fd9\u4e9b\u7535\u6c14\u5143\u4ef6\u7b49\u7ea7\u4e4b\u95f4\u7684\u533a\u522b\u5982\u4e0b\u6240\u793a\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Water_Protection\"><\/span>\u00b7 \u6c34\u4fdd\u62a4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NEMA 4X \u548c NEMA 3R \u7535\u6c14\u5916\u58f3\u90fd\u80fd\u4fdd\u62a4\u60a8\u7684\u7535\u6c14\u5143\u4ef6\u514d\u53d7\u6c34\u7684\u4fb5\u8680\u3002\u7136\u800c\uff0c\u5b83\u4eec\u7684\u9632\u62a4\u7b49\u7ea7\u7565\u6709\u4e0d\u540c\u3002\u5177\u4f53\u6765\u8bf4\uff0cNEMA 3R \u5916\u58f3\u53ef\u4ee5\u9632\u6b62\u96e8\u6c34\u3001\u96ea\u548c\u51b0\u96f9\u7684\u4fb5\u8680\uff0c\u4f46\u4e0d\u80fd\u9632\u6b62\u6c34\u7ba1\u55b7\u6dcb\u3001\u6c34\u55b7\u6e85\u6216\u52a0\u538b\u6c34\u7684\u4fb5\u8680\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cNEMA 4X \u5916\u58f3\u53ef\u4ee5\u9632\u6b62\u6ef4\u6c34\u4ee5\u53ca\u52a0\u538b\u6c34\u7684\u4fb5\u8680\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Dust_Resistance\"><\/span>\u00b7 \u9632\u5c18<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NEMA 3R \u9632\u62a4\u7b49\u7ea7\u867d\u7136\u53ef\u4ee5\u9632\u6b62\u7070\u5c18\u5e72\u6270\u7535\u6c14\u5143\u4ef6\u7684\u8fd0\u884c\uff0c\u4f46\u65e0\u6cd5\u62b5\u5fa1\u98ce\u5439\u7070\u5c18\u3002\u8fd9\u610f\u5473\u7740 NEMA 3R \u9632\u62a4\u7b49\u7ea7\u7684\u5916\u58f3\u9002\u7528\u4e8e\u5bf9\u9632\u62a4\u8981\u6c42\u76f8\u5bf9\u8f83\u4f4e\u7684\u73af\u5883\u3002\u800c NEMA 4X \u9632\u62a4\u7b49\u7ea7\u5219\u80fd\u5168\u9762\u62b5\u5fa1\u7a7a\u6c14\u4e2d\u7684\u9897\u7c92\u7269\u4ee5\u53ca\u98ce\u5439\u9897\u7c92\u7269\u3002\u56e0\u6b64\uff0cNEMA 4X \u9632\u62a4\u7b49\u7ea7\u7684\u5916\u58f3\u9002\u7528\u4e8e\u73af\u5883\u8981\u6c42\u76f8\u5bf9\u8f83\u9ad8\u7684\u573a\u6240\uff0c\u4f8b\u5982\u6237\u5916\u6d17\u8f66\u573a\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Ventilation_Design\"><\/span>\u00b7 \u901a\u98ce\u8bbe\u8ba1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u7b26\u5408 NEMA 4X \u9632\u62a4\u7b49\u7ea7\u7684\u673a\u7bb1\u901a\u5e38\u91c7\u7528\u5bc6\u5c01\u8bbe\u8ba1\uff0c\u4ee5\u63d0\u9ad8\u5176\u9632\u6c34\u9632\u5c18\u6027\u80fd\u3002\u4e0d\u8fc7\uff0c\u90e8\u5206\u6b64\u7c7b\u673a\u7bb1\u53ef\u80fd\u914d\u5907\u6563\u70ed\u914d\u4ef6\u751a\u81f3\u547c\u5438\u5668\uff0c\u4ee5\u786e\u4fdd\u8db3\u591f\u7684\u7a7a\u6c14\u6d41\u901a\u3002. <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u5b9a\u5236\u7535\u6c14\u5916\u58f3\u5236\u9020\u5546\/\">\u7535\u6c14\u5916\u58f3<\/a> \u76f8\u53cd\uff0cNEMA 3R\u7b49\u7ea7\u7684\u9632\u62a4\u7f69\u5f88\u5c11\u91c7\u7528\u5bc6\u5c01\u8bbe\u8ba1\u3002\u5b83\u4eec\u901a\u5e38\u5e26\u6709\u591a\u4e2a\u767e\u53f6\u7a97\u548c\u6392\u6c34\u5b54\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u7684\u9632\u6c34\u6027\u80fd\u4e0d\u5982NEMA 4X\u9632\u62a4\u7f69\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Corrosion_Resistance\"><\/span>\u00b7 \u8010\u8150\u8680<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u7edd\u5927\u591a\u6570 NEMA 4X \u9632\u62a4\u7b49\u7ea7\u7684\u5916\u58f3\u7531\u73bb\u7483\u7ea4\u7ef4\u548c\u4e0d\u9508\u94a2\u5236\u6210\uff0c\u8fd9\u4e24\u79cd\u6750\u6599\u4ee5\u5176\u4f18\u5f02\u7684\u8010\u8150\u8680\u6027\u800c\u95fb\u540d\u3002\u8fd9\u4e5f\u89e3\u91ca\u4e86\u5b83\u4eec\u5728\u6d77\u6d0b\u73af\u5883\u4e2d\u7684\u5e7f\u6cdb\u5e94\u7528\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cNEMA 3R \u9632\u62a4\u7b49\u7ea7\u7684\u5916\u58f3\u5e76\u4e0d\u4ee5\u8010\u8150\u8680\u6027\u4e3a\u9996\u8981\u8003\u8651\u56e0\u7d20\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528\u6613\u8150\u8680\u7684\u6750\u6599\uff08\u4f8b\u5982\u94dd\uff09\u6765\u5236\u9020\u3002.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Construction_Material\"><\/span>\u5efa\u7b51\u6750\u6599<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NEMA 3R \u5916\u58f3\u65e0\u9700\u5177\u5907\u8010\u8150\u8680\u6027\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528\u8010\u8150\u8680\u6027\u76f8\u5bf9\u8f83\u4f4e\u7684\u6750\u6599\uff08\u4f8b\u5982\u94dd\uff09\u5236\u9020\u3002\u7136\u800c\uff0cNEMA 4X \u5916\u58f3\u4e13\u4e3a\u4e25\u82db\u7684\u6237\u5916\u73af\u5883\uff08\u4f8b\u5982\u8239\u8236\u73af\u5883\uff09\u800c\u8bbe\u8ba1\uff0c\u56e0\u6b64\u5fc5\u987b\u5177\u5907\u5353\u8d8a\u7684\u8010\u8150\u8680\u6027\u3002\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u5fc5\u987b\u4f7f\u7528\u8010\u8150\u8680\u6750\u6599\uff08\u4f8b\u5982\u73bb\u7483\u7ea4\u7ef4\u6216\u4e0d\u9508\u94a2\uff09\u5236\u9020\u3002.<\/p>\n<p>\u60a8\u8fd8\u53ef\u4ee5\u4e86\u89e3\u66f4\u591a <a href=\"https:\/\/kdmfab.com\/electrical-enclosure-materials\/\">\u7535\u6c14\u5916\u58f3\u6750\u6599<\/a>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Cost\"><\/span>\u00b7 \u6210\u672c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NEMA 4X \u9632\u62a4\u7b49\u7ea7\u8f83\u9ad8\u7684\u5916\u58f3\u867d\u7136\u9632\u62a4\u6027\u80fd\u66f4\u5f3a\uff0c\u4f46\u4ef7\u683c\u4e5f\u66f4\u9ad8\u3002\u7136\u800c\uff0c\u5728\u4e25\u82db\u73af\u5883\u4e0b\uff0c\u5176\u91cd\u8981\u6027\u4e0d\u5bb9\u5ffd\u89c6\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cNEMA 3R \u9632\u62a4\u7b49\u7ea7\u7684\u5916\u58f3\u8bbe\u8ba1\u548c\u529f\u80fd\u76f8\u5bf9\u7b80\u5355\uff0c\u56e0\u6b64\u4ef7\u683c\u4e5f\u66f4\u4f4e\u3002.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-46136 aligncenter\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Key-Differences-Between-NEMA-3R-and-NEMA-4X.jpg\" alt=\"NEMA 3R \u548c NEMA 4X \u4e4b\u95f4\u7684\u4e3b\u8981\u533a\u522b\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Key-Differences-Between-NEMA-3R-and-NEMA-4X.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Key-Differences-Between-NEMA-3R-and-NEMA-4X-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Key-Differences-Between-NEMA-3R-and-NEMA-4X-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Key-Differences-Between-NEMA-3R-and-NEMA-4X-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Similarities_Between_NEMA_4X_and_NEMA_3R\"><\/span>NEMA 4X \u548c NEMA 3R \u7684\u76f8\u4f3c\u4e4b\u5904<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5c3d\u7ba1 NEMA 4X \u9632\u62a4\u7b49\u7ea7\u7684\u9632\u62a4\u7b49\u7ea7\u4e0e NEMA 3R \u9632\u62a4\u7b49\u7ea7\u7684\u9632\u62a4\u7b49\u7ea7\u5728\u67d0\u4e9b\u65b9\u9762\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u4e24\u8005\u4e4b\u95f4\u7684\u5171\u540c\u70b9\u53ef\u80fd\u6bd4\u60a8\u60f3\u8c61\u7684\u8981\u591a\u3002\u5b83\u4eec\u6709\u5f88\u591a\u76f8\u4f3c\u4e4b\u5904\uff0c\u5176\u4e2d\u6700\u5173\u952e\u7684\u662f\uff1a<\/p>\n<ul>\n<li><strong>NEMA\u6807\u51c6\u7b26\u5408\u6027\uff1a<\/strong> \u5b83\u4eec\u5747\u6309\u7167\u591a\u9879 NEMA \u6807\u51c6\u5236\u9020\uff0c\u56e0\u6b64\u5b89\u5168\u53ef\u9760\u3002.<\/li>\n<li><strong>\u6237\u5916\u4f7f\u7528\uff1a<\/strong> \u867d\u7136 NEMA 3R \u5916\u58f3\u66f4\u9002\u5408\u8981\u6c42\u4e0d\u9ad8\u7684\u73af\u5883\uff0c\u4f46\u5b83\u4eec\u5728\u6237\u5916\u73af\u5883\u4e2d\u4e5f\u80fd\u8868\u73b0\u51fa\u8272\uff0c\u5c31\u50cf NEMA 4X \u5916\u58f3\u4e00\u6837\u3002.<\/li>\n<li><strong>\u9632\u96e8\u63aa\u65bd\uff1a<\/strong> NEMA 3R \u548c 4X \u90fd\u80fd\u4fdd\u8bc1\u9632\u6c34\u3001\u9632\u6f6e\u548c\u9632\u96ea\uff0c\u4f46\u5b83\u4eec\u7684\u9632\u62a4\u7b49\u7ea7\u6709\u6240\u4e0d\u540c\u3002.<\/li>\n<li><strong>\u9632\u5c18\u4fdd\u62a4\uff1a<\/strong> \u867d\u7136 NEMA 3R \u4e0d\u80fd\u9632\u6b62\u98ce\u5439\u7070\u5c18\uff0c\u4f46\u5b83\u53ef\u4ee5\u50cf NEMA 4X \u4e00\u6837\u9632\u6b62\u7070\u5c18\u3002.<\/li>\n<li><strong>\u51b0\u9632\u62a4\uff1a<\/strong> NEMA 3R \u548c 4X \u5916\u58f3\u5728\u6237\u5916\u7a7a\u95f4\u8868\u73b0\u51fa\u8272\uff0c\u90e8\u5206\u539f\u56e0\u662f\u5b83\u4eec\u80fd\u591f\u627f\u53d7\u51ac\u5b63\u7ed3\u51b0\u3002.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Applications_of_NEMA_4X_vs_NEMA_3R\"><\/span>NEMA 4X \u4e0e NEMA 3R \u7684\u5e94\u7528\u5bf9\u6bd4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u7535\u6c14\u8bbe\u5907\u548c\u5143\u4ef6\u53ef\u80fd\u975e\u5e38\u7cbe\u5bc6\uff0c\u56e0\u6b64\u5176\u5916\u58f3\u5fc5\u987b\u7b26\u5408NEMA\u6807\u51c6\u3002\u8fd9\u4e9b\u5916\u58f3\u9075\u5faa\u4e0d\u540c\u7684\u6807\u51c6\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u5bf9\u4e0d\u540c\u5e94\u7528\u548c\u73af\u5883\u7684\u9002\u7528\u6027\u4e5f\u5404\u4e0d\u76f8\u540c\u3002.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"312\"><strong>NEMA 3R<\/strong><\/td>\n<td width=\"312\"><strong>NEMA 4X<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"312\">\u914d\u7535\u76d8<\/td>\n<td width=\"312\">\u5316\u5de5\u5382<\/td>\n<\/tr>\n<tr>\n<td width=\"312\">\u5de5\u5177\u7bb1<\/td>\n<td width=\"312\">\u5b9e\u9a8c\u5ba4<\/td>\n<\/tr>\n<tr>\n<td width=\"312\">\u519c\u7528\u8bbe\u5907<\/td>\n<td width=\"312\">\u6cbf\u6d77\u73af\u5883<\/td>\n<\/tr>\n<tr>\n<td width=\"312\">\u4f4f\u5b85\u5e03\u7ebf<\/td>\n<td width=\"312\">\u6d17\u8f66<\/td>\n<\/tr>\n<tr>\n<td width=\"312\">\u4ea4\u901a\u7ba1\u5236<\/td>\n<td width=\"312\">\u98df\u54c1\u52a0\u5de5\u8bbe\u65bd<\/td>\n<\/tr>\n<tr>\n<td width=\"312\">\u6746\u5f0f\u63a5\u7ebf\u76d2<\/td>\n<td width=\"312\">\u5de5\u4e1a\u6237\u5916\u5e03\u7ebf<\/td>\n<\/tr>\n<tr>\n<td width=\"312\">\u6696\u901a\u7a7a\u8c03\u8bbe\u5907<\/td>\n<td width=\"312\">\u5546\u4e1a\u53a8\u623f<\/td>\n<\/tr>\n<tr>\n<td width=\"312\">\u7167\u660e\u63a7\u5236\u9762\u677f<\/td>\n<td width=\"312\">\u6237\u5916\u519c\u4e1a\u8bbe\u5907<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4><span class=\"ez-toc-section\" id=\"Is_NEMA_4X_Suitable_for_Outdoor_Use\"><\/span>NEMA 4X \u662f\u5426\u9002\u5408\u6237\u5916\u4f7f\u7528\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u662f\u7684\u3002NEMA 4X \u6807\u51c6\u6db5\u76d6\u7535\u6c14\u5143\u4ef6\uff0c\u7279\u522b\u662f\u7528\u4e8e\u6237\u5916\u73af\u5883\u7684\u5916\u58f3\u3002\u8fd9\u4e9b\u5916\u58f3\u4e0d\u4ec5\u80fd\u627f\u53d7\u9ad8\u538b\u6c34\u6d41\uff0c\u8fd8\u80fd\u62b5\u5fa1\u98ce\u6c99\u548c\u8150\u8680\u3002.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Is_NEMA_4X_Better_than_NEMA_12\"><\/span>NEMA 4X \u6bd4 NEMA 12 \u66f4\u597d\u5417\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>NEMA 4X \u9632\u62a4\u7b49\u7ea7\u7684\u5916\u58f3\u672a\u5fc5\u6bd4 NEMA 12 \u9632\u62a4\u7b49\u7ea7\u7684\u5916\u58f3\u66f4\u597d\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5176\u5353\u8d8a\u7684\u9632\u6f6e\u3001\u9632\u9508\u548c\u9632\u5c18\u6027\u80fd\uff0cNEMA 4X \u9632\u62a4\u7b49\u7ea7\u7684\u5916\u58f3\u5728\u6237\u5916\u73af\u5883\u4e2d\u8868\u73b0\u66f4\u4f73\u3002\u800c NEMA 12 \u9632\u62a4\u7b49\u7ea7\u7684\u5916\u58f3\u5219\u66f4\u9002\u7528\u4e8e\u5ba4\u5185\u73af\u5883\u3002.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Can_You_use_NEMA_3R_Enclosure_Outdoors\"><\/span>NEMA 3R\u9632\u62a4\u7b49\u7ea7\u7684\u9632\u62a4\u7f69\u53ef\u4ee5\u5728\u6237\u5916\u4f7f\u7528\u5417\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u662f\u7684\u3002\u867d\u7136 NEMA 3R \u5916\u58f3\u7684\u9632\u6c34\u9632\u5c18\u6027\u80fd\u4e0d\u5982 NEMA 4X \u5916\u58f3\uff0c\u4f46\u5b83\u4eec\u4ecd\u7136\u80fd\u591f\u63d0\u4f9b\u76f8\u5f53\u4e0d\u9519\u7684\u9632\u5c18\u3001\u9632\u6c34\u548c\u9632\u96ea\u4fdd\u62a4\u3002\u8fd9\u4f7f\u5f97\u5b83\u4eec\u975e\u5e38\u9002\u5408\u6237\u5916\u73af\u5883\uff0c\u4f8b\u5982\u4f4f\u5b85\u6237\u5916\u7535\u8868\u7bb1\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u73af\u5883\u901a\u5e38\u4e0d\u4f1a\u53d7\u5230\u8fc7\u4e8e\u6076\u52a3\u7684\u5929\u6c14\u6761\u4ef6\u5f71\u54cd\u3002\u7136\u800c\uff0c\u5982\u679c\u5c06\u5b83\u4eec\u90e8\u7f72\u5728\u6d77\u6d0b\u73af\u5883\u7b49\u6076\u52a3\u7684\u6237\u5916\u73af\u5883\u4e2d\uff0c\u5176\u9632\u62a4\u6548\u679c\u548c\u53ef\u9760\u6027\u53ef\u80fd\u4f1a\u964d\u4f4e\u3002.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u7ed3\u8bba<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u663e\u7136\uff0c\u4f60\u53ef\u4ee5\u770b\u51fa\u8fd9\u4e24\u4e2a <a href=\"https:\/\/www.kdmsteel.com\/zh\/\u7ebf\u7c92\u4f53\u5916\u58f3\/\">\u7535\u6c14\u5916\u58f3\u7684NEMA\u7b49\u7ea7<\/a>\u5b83\u4eec\u63d0\u4f9b\u4e0d\u540c\u7a0b\u5ea6\u7684\u4fdd\u62a4\u3002\u7ed3\u5408\u4ee5\u4e0a\u4e24\u79cd\u8bc4\u7ea7\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u6e05\u695a\u5730\u9009\u62e9\u6700\u7b26\u5408\u60a8\u7535\u6c14\u5b89\u88c5\u9700\u6c42\u7684\u9009\u9879\u3002.<\/p>\n<p>KDMSTEEL\u516c\u53f8\u8bbe\u8ba1\u548c\u5236\u9020\u5404\u79cd\u7b26\u5408NEMA\u6807\u51c6\u4ee5\u53ca\u5176\u4ed6\u884c\u4e1a\u6807\u51c6\u7684\u7535\u6c14\u5916\u58f3\uff0c\u4f8b\u5982\uff1a <a href=\"https:\/\/www.kdmsteel.com\/zh\/ip-\u5916\u58f3\/\">IP\u9632\u62a4\u7b49\u7ea7<\/a>\uff0c \u548c <a href=\"https:\/\/kdmfab.com\/ul-enclosure\/\">UL\u5916\u58f3\u989d\u5b9a\u503c<\/a>. \u6b32\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c, <a href=\"https:\/\/kdmfab.com\/contact-for-a-quote\/\">\u7acb\u5373\u53d1\u9001\u8be2\u4ef7<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>When it comes to the electrical enclosure or machine enclosure industry, you cannot ignore NEMA safety standards. OverlookingNEMA standards can be costly for your machine or electrical system. In today\u2019s article, we are going to compare NEMA 4X and NEMA 3R. 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