{"product_id":"dh-56-metal-door-magnetic-contact-heavy-duty-security-sensor-nc-no","title":"DH-56 Metal Door Magnetic Contact – Heavy Duty Security Sensor NC\/NO","description":"\u003ch2 data-section-id=\"5ptua8\" data-start=\"116\" data-end=\"133\"\u003eKey Features\u003c\/h2\u003e\r\\n\u003cp data-start=\"135\" data-end=\"375\"\u003e• Heavy-Duty Zinc Alloy Metal Housing\u003cbr data-start=\"172\" data-end=\"175\"\u003e• Normally Closed (NC) Magnetic Contact\u003cbr data-start=\"214\" data-end=\"217\"\u003e• Wide Detection Gap (Up to 40mm)\u003cbr data-start=\"250\" data-end=\"253\"\u003e• Designed for Metal \u0026amp; Industrial Doors\u003cbr data-start=\"292\" data-end=\"295\"\u003e• Surface Mount Easy Installation\u003cbr data-start=\"328\" data-end=\"331\"\u003e• Compatible with Alarm \u0026amp; Security Systems\u003c\/p\u003e\n\n\u003cp data-start=\"409\" data-end=\"550\"\u003eThe \u003cstrong data-start=\"413\" data-end=\"450\"\u003eDH-56 Metal Door Magnetic Contact\u003c\/strong\u003e is a heavy-duty magnetic sensor designed for security alarm systems to detect door or gate opening.\u003c\/p\u003e\r\\n\u003cp data-start=\"552\" data-end=\"757\"\u003eThis sensor uses a \u003cstrong data-start=\"571\" data-end=\"595\"\u003emagnetic reed switch\u003c\/strong\u003e, an electrical switch activated by a magnetic field, commonly used in security systems to detect movement or door position.\u003c\/p\u003e\r\\n\u003cp data-start=\"759\" data-end=\"948\"\u003eThe DH-56 model features a \u003cstrong data-start=\"786\" data-end=\"821\"\u003estrong zinc alloy metal housing\u003c\/strong\u003e, making it suitable for metal doors, rolling shutters, industrial gates, and warehouse entrances where durability is required.\u003c\/p\u003e\r\\n\u003cp data-start=\"950\" data-end=\"1114\"\u003eWhen the door is closed, the magnet keeps the circuit closed. When the door opens and the magnet moves away, the circuit changes state and triggers the alarm panel.\u003c\/p\u003e\r\\n\u003cp data-start=\"1116\" data-end=\"1372\"\u003eThe DH-56 sensor supports both \u003cstrong data-start=\"1147\" data-end=\"1182\"\u003eNO and NC output configurations\u003c\/strong\u003e depending on installation requirements and typically provides a \u003cstrong data-start=\"1247\" data-end=\"1285\"\u003ewide operating gap of around 40 mm\u003c\/strong\u003e, making it suitable for large doors or shutters.\u003c\/p\u003e\r\\n\u003cp\u003eYou can buy this metal door magnetic contact from ZZ Marts, with stores in Karachi and Lahore and delivery across Pakistan.\u003c\/p\u003e","brand":"ZZ Marts","offers":[{"title":"NC","offer_id":52827975844152,"sku":"DH-56","price":1199.0,"currency_code":"PKR","in_stock":true},{"title":"NO","offer_id":52827975876920,"sku":"DH-56 NO","price":1499.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/3932\/4984\/files\/Magnetic-door_window-contact-blocks-close-up.png?v=1787211285","url":"https:\/\/zzmarts.com\/products\/dh-56-metal-door-magnetic-contact-heavy-duty-security-sensor-nc-no","provider":"ZZ Marts | Zam Zam Traders","version":"1.0","type":"link"}