{"id":1852,"date":"2026-10-29T07:56:29","date_gmt":"2026-10-29T07:56:29","guid":{"rendered":"https:\/\/kaivoy.com\/guides\/m12-connector-selection-guide\/"},"modified":"2026-10-29T07:56:29","modified_gmt":"2026-10-29T07:56:29","slug":"m12-connector-selection-guide","status":"publish","type":"page","link":"https:\/\/kaivoy.com\/zh\/guides\/m12-connector-selection-guide\/","title":{"rendered":"M12 \u8fde\u63a5\u5668\u9009\u578b\u6307\u5357\uff1aA \u578b\u7f16\u7801\u3001IP67 \u4e0e\u63a5\u7ebf"},"content":{"rendered":"<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/kaivoy.com\/zh\/m12-4-pin-waterproof-connector\/\">M12 4-pin waterproof connector<\/a> is the connection standard for sensors, actuators and field wiring where the joint has to survive washdown and weather. Screw coupling, moulded body, IP67 &#8211; it is the fitting at both ends of almost every <a href=\"https:\/\/kaivoy.com\/zh\/inductive-proximity-sensor-m18\/\">proximity sensor<\/a> and photoelectric sensor run on automated lines.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ee3\u7801\u5b57\u6bcd\u5230\u5e95\u89c4\u5b9a\u4e86\u4ec0\u4e48<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u89c4\u683c<\/th><th>\u53c2\u6570\u503c<\/th><th>\u51b3\u5b9a\u4e86\u4ec0\u4e48<\/th><\/tr><\/thead><tbody><tr><td>\u7c7b\u578b<\/td><td>M12 A \u578b\u7f16\u7801\uff0c4 \u9488<\/td><td>A \u578b\u7f16\u7801 = \u4f20\u611f\u5668\u901a\u7528\u7f16\u7801\uff1b4 \u9488\u8986\u76d6\u6807\u51c6\u76f4\u6d41\u4e09\u7ebf\u5236\u4f20\u611f\u5668\u52a0\u4e00\u6839\u5907\u7528<\/td><\/tr><tr><td>\u9632\u62a4\u7b49\u7ea7<\/td><td>IP67<\/td><td>Dust-tight, survives immersion short-term &#8211; the washdown class<\/td><\/tr><tr><td>\u8fde\u63a5\u65b9\u5f0f<\/td><td>\u87ba\u7eb9\u9501\u7d27<\/td><td>\u6297\u632f\u52a8\u8fde\u63a5\uff1b\u4e0d\u4f1a\u88ab\u62c9\u62fd\u8bef\u62d4<\/td><\/tr><tr><td>\u89e6\u70b9<\/td><td>\u9540\u91d1<\/td><td>\u4e3a mA \u7ea7\u4f20\u611f\u5668\u4fe1\u53f7\u63d0\u4f9b\u4f4e\u800c\u7a33\u5b9a\u7684\u63a5\u89e6\u7535\u963b<\/td><\/tr><tr><td>\u6700\u5c0f\u8d77\u8ba2\u91cf<\/td><td>500 pcs<\/td><td>\u516c\u5934\/\u6bcd\u5934\u3001\u76f4\u5934\/\u5f2f\u5934\u53ef\u62c6\u5206\u4e0b\u5355<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9e\u9645\u5de5\u7a0b\u4e2d\u7684\u9009\u578b\u89c4\u5219<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><b>Count the pins the signal needs, then add the spare:<\/b> a standard DC three-wire sensor uses three &#8211; supply, output, ground &#8211; and the fourth pin carries the next function or stays as a factory-set spare.<\/li><li><b>Right-angle heads for tight panels:<\/b> the straight body is the default; the right-angle variant saves the cable&#8217;s minimum bend radius inside cabinets and on moving carriers.<\/li><li><b>Pre-moulded cable or field assembly:<\/b> pre-moulded wins on IP integrity; field-assemblable wins on spare-parts logistics. Most retrofits standardise on pre-moulded for sensors and keep connectors as the repair stock.<\/li><li><b>Most field failures traced to sensors are connector entries:<\/b> an unsealed thread or an over-torqued gland defeats the IP67 rating of both halves &#8211; follow the <a href=\"https:\/\/kaivoy.com\/zh\/guides\/inductive-vs-capacitive-proximity-sensor\/\">sensor selection guide<\/a> guidance and confirm the mating pair before blaming the sensor.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">4 \u9488 A \u578b\u7f16\u7801\u9002\u914d\u6211\u7684\u4f20\u611f\u5668\u5417\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If the sensor is a standard DC three-wire type with an M12 A-coded socket, yes &#8211; that is exactly what this connector is built for. Send the sensor datasheet page when you enquire and we confirm before shipping.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Male or female, straight or right angle &#8211; how do I split the 500 pcs?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u7531\u62c6\u5206\uff1a\u8d77\u8ba2\u91cf\u6309\u8ba2\u5355\u603b\u6570\u7b97\uff0c\u4e0d\u6309\u53d8\u4f53\u7b97\u3002\u591a\u6570\u7528\u6237\u7684\u914d\u7f6e\u662f\u4f20\u611f\u5668\u7aef\u7528\u76f4\u5934\u516c\u7ebf\uff0c\u67dc\u4fa7\u7528\u8f83\u5c0f\u6279\u91cf\u7684\u5f2f\u5934\u6bcd\u5934\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u600e\u4e48\u8ba1\u4ef7\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/kaivoy.com\/zh\/contact\/\">Request a quote<\/a> &#8211; Per piece against quantity and variant split, quoted FOB, CFR or CIF against your destination port.<\/p>","protected":false},"excerpt":{"rendered":"<p>The M12 4-pin waterproof connector is the connection standard for sensors, actuators and field wiring where the joint has to survive washdown and weather. Screw coupling, moulded body, IP67 &#8211; it is the fitting at both ends of almost every proximity sensor and photoelectric sensor run on automated lines. What the code letters actually say [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1701,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"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":"default","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":""}},"_zipai_imported":false,"_zipai_import_id":"","footnotes":""},"class_list":["post-1852","page","type-page","status-publish","hentry"],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"spectra_blocks_featured_image_url":null,"spectra_blocks_author_info":{"display_name":"kaivoy2026@outlook.com","avatar_url":"https:\/\/en.cravatar.com\/avatar\/ded57db17ffa2b73846f62466c76c6092d34fdd2b14f9297ad5eaf18ca1a9333?s=96&d=mm&r=g","author_link":"https:\/\/kaivoy.com\/zh\/author\/kaivoy2026outlook-com\/","description":""},"_links":{"self":[{"href":"https:\/\/kaivoy.com\/zh\/wp-json\/wp\/v2\/pages\/1852","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kaivoy.com\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kaivoy.com\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kaivoy.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kaivoy.com\/zh\/wp-json\/wp\/v2\/comments?post=1852"}],"version-history":[{"count":0,"href":"https:\/\/kaivoy.com\/zh\/wp-json\/wp\/v2\/pages\/1852\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/kaivoy.com\/zh\/wp-json\/wp\/v2\/pages\/1701"}],"wp:attachment":[{"href":"https:\/\/kaivoy.com\/zh\/wp-json\/wp\/v2\/media?parent=1852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}