{"product_id":"2-pairs-mc-51-mc-52-mc-56-mc-58-wired-magnetic-door-window-contact-sensor-nc-no-reed-switch-for-metal-gate-security-alarm-system","title":"2 Pairs MC-51 MC-52 MC-56 MC-58 Wired Magnetic Door Window Contact Sensor NC NO Reed Switch for Metal Gate Security Alarm System","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNoEnName_Null\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMC-52\/51\/56\/58\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitching Transducer\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv style=\"max-width:1000px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;color:#202124;line-height:1.6;background:#ffffff;\"\u003e\n\u003cdiv style=\"padding:28px 32px;border-bottom:4px solid #1677ff;\"\u003e\n\u003ch1 style=\"margin:0 0 10px;font-size:34px;color:#111827;\"\u003eWired Magnetic Door \/ Window Contact Sensor\u003c\/h1\u003e\n\n\u003cp style=\"margin:0;font-size:18px;color:#4b5563;\"\u003eMC-51 \/ MC-52 \/ MC-56 \/ MC-58 | NC \/ NO \/ NC+NO Options | 2 Pairs\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg cke-id=\"img42\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S99f887ada45a4ad08c1976cab8dd9255w.jpg?width=1254\u0026amp;height=1254\u0026amp;hash=2508\" style=\"display:block;width:100%;height:auto;\"\u003e\n\u003cdiv style=\"padding:30px 32px;\"\u003e\n\u003ch2 style=\"font-size:26px;margin:0 0 14px;color:#111827;\"\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThis wired magnetic contact sensor is designed for compatible alarm and access-control signal inputs on metal doors, gates, windows, cabinets, and similar opening points. Select the model and contact type that match your controller and installation.\u003c\/p\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:20px 0;font-size:16px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d1d5db;padding:12px;font-weight:bold;background:#f3f4f6;\"\u003eAvailable models\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d1d5db;padding:12px;\"\u003eMC-51, MC-52, MC-56, MC-58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d1d5db;padding:12px;font-weight:bold;background:#f3f4f6;\"\u003eContact options\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d1d5db;padding:12px;\"\u003eNormally Closed (NC), Normally Open (NO), or NC+NO depending on the selected SKU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d1d5db;padding:12px;font-weight:bold;background:#f3f4f6;\"\u003eQuantity\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d1d5db;padding:12px;\"\u003e2 complete sensor pairs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d1d5db;padding:12px;font-weight:bold;background:#f3f4f6;\"\u003eHousing\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d1d5db;padding:12px;\"\u003eSilver metal surface-mount housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d1d5db;padding:12px;font-weight:bold;background:#f3f4f6;\"\u003eOutput\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d1d5db;padding:12px;\"\u003ePassive reed-switch contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cimg cke-id=\"img43\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd3cd3baa6d3d48a29babefe92c8edf9bo.jpg\" style=\"display:block;width:100%;height:auto;\"\u003e\n\u003cdiv style=\"padding:30px 32px;\"\u003e\n\u003ch2 style=\"font-size:26px;margin:0 0 14px;color:#111827;\"\u003eKey Features\u003c\/h2\u003e\n\n\u003cul style=\"padding-left:24px;margin:0;\"\u003e\n\u003cli\u003eMultiple housing sizes and contact configurations for different installation needs.\u003c\/li\u003e\n\u003cli\u003eMetal surface-mount design for doors, gates, windows, and cabinet panels.\u003c\/li\u003e\n\u003cli\u003eSimple wired contact output for compatible low-power signal terminals.\u003c\/li\u003e\n\u003cli\u003eClearly labeled SKU options help reduce model and wiring selection errors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cimg cke-id=\"img44\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Scadb3ba863534c91b5a7744ab17efdc5n.jpg\" style=\"display:block;width:100%;height:auto;\"\u003e\n\u003cdiv style=\"padding:30px 32px;\"\u003e\n\u003ch2 style=\"font-size:26px;margin:0 0 14px;color:#111827;\"\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col style=\"padding-left:24px;margin:0;\"\u003e\n\u003cli\u003eMount the wired sensor body on the fixed frame.\u003c\/li\u003e\n\u003cli\u003eMount the magnet on the moving door or window panel.\u003c\/li\u003e\n\u003cli\u003eAlign both parts and test the operating gap before final fixing.\u003c\/li\u003e\n\u003cli\u003eConnect the wires only to a compatible alarm or access-control signal input.\u003c\/li\u003e\n\u003cli\u003eOpen and close the door to confirm the controller reads the contact correctly.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cimg cke-id=\"img45\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S2825c4ab278f450ba6284945014b57e7J.jpg\" style=\"display:block;width:100%;height:auto;\"\u003e\n\u003cdiv style=\"padding:30px 32px;\"\u003e\n\u003ch2 style=\"font-size:26px;margin:0 0 14px;color:#111827;\"\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e2 complete magnetic contact sensor pairs\u003c\/strong\u003e in the selected model and contact configuration. Mounting accessories are not included unless explicitly shown in the selected SKU.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg cke-id=\"img46\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S09e0af498aac41d8bbd1d2287c6ae2eaJ.jpg\" style=\"display:block;width:100%;height:auto;\"\u003e\n\u003cdiv style=\"padding:30px 32px;\"\u003e\n\u003ch2 style=\"font-size:26px;margin:0 0 14px;color:#111827;\"\u003eContact Logic and Important Notes\u003c\/h2\u003e\n\n\u003cul style=\"padding-left:24px;margin:0;\"\u003e\n\u003cli\u003eVerify whether your controller requires NC, NO, or NC+NO before ordering.\u003c\/li\u003e\n\u003cli\u003eFor 3-wire NC+NO versions, confirm the wire mapping with a continuity tester before connection.\u003c\/li\u003e\n\u003cli\u003eDo not connect the sensor directly to lamps, motors, or other high-current loads.\u003c\/li\u003e\n\u003cli\u003eDimensions and wire configuration vary by model; use the selected SKU specification and product markings.\u003c\/li\u003e\n\u003cli\u003eAllow a small difference from manual measurement.\u003c\/li\u003e\n\u003cli\u003eKeep the product dry unless separate product documentation confirms another protection rating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cimg cke-id=\"img47\" referrerpolicy=\"no-referrer\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd7ce443b5b4549148744bf70f9f3f913E.jpg\" style=\"display:block;width:100%;height:auto;\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"MC-56 NO \/ 2 Pairs","offer_id":55440762732843,"sku":"14:200006154#MC-56 NO;3:201010228#2 Pairs","price":102.83,"currency_code":"USD","in_stock":true},{"title":"MC-56 NC NO \/ 2 Pairs","offer_id":55440762765611,"sku":"14:1254#MC-56 NC NO;3:201010228#2 Pairs","price":102.83,"currency_code":"USD","in_stock":true},{"title":"MC-58 NC NO \/ 2 Pairs","offer_id":55440762798379,"sku":"14:100013777#MC-58 NC NO;3:201010228#2 Pairs","price":97.88,"currency_code":"USD","in_stock":true},{"title":"MC-56 NC \/ 2 Pairs","offer_id":55440762831147,"sku":"14:200005536#MC-56 NC;3:201010228#2 Pairs","price":73.04,"currency_code":"USD","in_stock":true},{"title":"MC-58 NC \/ 2 Pairs","offer_id":55440762863915,"sku":"14:496#MC-58 NC;3:201010228#2 Pairs","price":68.09,"currency_code":"USD","in_stock":true},{"title":"MC-58 NO \/ 2 Pairs","offer_id":55440762896683,"sku":"14:365458#MC-58 NO;3:201010228#2 Pairs","price":97.88,"currency_code":"USD","in_stock":true},{"title":"MC-51 NC NO \/ 2 Pairs","offer_id":55440762929451,"sku":"14:193#MC-51 NC NO;3:201010228#2 Pairs","price":78.03,"currency_code":"USD","in_stock":true},{"title":"MC-52 NC NO \/ 2 Pairs","offer_id":55440762962219,"sku":"14:366#MC-52 NC NO;3:201010228#2 Pairs","price":82.98,"currency_code":"USD","in_stock":true},{"title":"MC-51 NO \/ 2 Pairs","offer_id":55440762994987,"sku":"14:173#MC-51 NO;3:201010228#2 Pairs","price":78.03,"currency_code":"USD","in_stock":true},{"title":"MC-52 NO \/ 2 Pairs","offer_id":55440763027755,"sku":"14:175#MC-52 NO;3:201010228#2 Pairs","price":82.98,"currency_code":"USD","in_stock":true},{"title":"MC-51 NC \/ 2 Pairs","offer_id":55440763060523,"sku":"14:10#MC-51 NC;3:201010228#2 Pairs","price":55.85,"currency_code":"USD","in_stock":true},{"title":"MC-52 NC \/ 2 Pairs","offer_id":55440763093291,"sku":"14:29#MC-52 NC;3:201010228#2 Pairs","price":57.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S302d905b0bfa4f5ba19441a1735e105aF.webp?v=1788746353","url":"https:\/\/yoeruyo.com\/products\/2-pairs-mc-51-mc-52-mc-56-mc-58-wired-magnetic-door-window-contact-sensor-nc-no-reed-switch-for-metal-gate-security-alarm-system","provider":"Yoeruyo","version":"1.0","type":"link"}