Heavy Duty Wired Alarm Magnetic Contacts Switch Sensor NC With Adjustable Bracket For Garage And Roller Door Ground Surface Mount Zinc Alloy Housing Easy Install Reliable Home Security System Component

Heavy Duty Wired Alarm Magnetic Door Contact with Bracket
✔️ NC normally closed, adjustable bracket, ground mount, 380 mm armored cable

This heavy duty magnetic contact switch is intended for roller shutter and garage doors, providing a reliable signal to a home alarm system when the door or shutter moves away from the magnet.

✅ Suitable for roller shutter doors and garage doors
✅ Metal zinc alloy housing for durability
✅ Surface-mounted on the ground with adjustable bracket
✅ NC (normally closed) contact; switches OFF when magnet moves away
✅ Operation gap of ≥ 50 mm
✅ Wired with 380 mm armored cable
✅ Max switching voltage 28V DC; max current 0.2A; max load 3W
✅ Ideal for home burglar alarm integration

💡 What is a magnetic door contact switch used for in home security? It's handy for detecting door openings and triggering alarms.
- door contact switch for home security systems
- wired alarm panel compatibility and monitoring
- adjustable bracket mounting for garages and shutters
- reliable signal for security alerts