Wired Magnetic Reed Door Contact Sensor With Two Wires For Normally Closed NC Applications, Rolling Door Alarm Switch In Rust Resistant Zinc Alloy Housing, Durable Security Sensor For Home And Office

Wired magnetic reed door sensor with NC contacts and zinc
✔️ NC, 0.5A @100V, 350mm lead, 104×15.2×14.8mm

The Rolling Door Contact is a wired reed switch designed for door and window alarm systems. It’s a reliable choice for garages, warehouses, offices, and stores; the rust-resistant zinc alloy housing keeps up in dusty, humid spaces. The magnet and reed switch pair closes the circuit when the door is closed (NC) and opens when separated.

✅ Current: 0.5A; Voltage: 100V; Power Rating: 10W
✅ Action distance: 30 to 50 mm
✅ Cable length: 350mm (13.4in) lead; Total size: 104×15.2×14.8 mm
✅ Material: zinc alloy housing; Normally Closed NC operation
✅ Includes: 1 magnet, 1 sensor, 4 screws

💡 What is a wired door contact sensor used for in security systems? It is a handy device to monitor entry points and trigger alerts.

- Signals the alarm panel on entry or exit - Works with magnet and reed switch for NC setups - Ideal for homes, offices, garages, warehouses - Easy installation with included magnet, sensor, and screws