3/8-Inch Screw-Mount Hardwired Door/Window Contact

This compact 3/8-inch hardwired magnetic contact monitors the open or closed position of a compatible door or window. Its screw-mount housing and screw terminals support serviceable, battery-free connections to intrusion-alarm and access-control inputs.

Key features

• Compact round 3/8-inch contact
• Screw-mount design
• Screw terminals for field wiring
• No sensor battery required
• Suitable for compatible hardwired alarm and access-control loops

Compatibility requirements

Confirm the opening material, magnet placement, operating gap, contact form, panel loop type and required end-of-line resistor before ordering. Final operation depends on correct alignment, wiring, programming and testing as part of the complete system.

Professional installation and support in Texas

Avenger Security provides system design, installation, programming and service throughout Austin, Central Texas and statewide. New clients considering new service can request a no-cost onsite visit and up to one hour of initial consultation. Existing troubleshooting, diagnostics and repair are billable services.