GRI 129A-W Mini Surface Switch with Cover, White

Secure sensitive entry points with a compact, dependable sensor designed for everyday security and surveillance needs. The George Risk Industries GRI 129A-W mini surface magnetic contact delivers reliable closed‑loop detection for doors and windows while staying discreet at just 1/2" x 1/2" x 1-1/2". Built for installers and integrators, this magnetic contact features a standard 0.5" operating gap and screw terminals for fast, error‑resistant wiring into security panels and monitoring systems.

Hermetically sealed and tamper‑proof, the 129A-W resists moisture, sticking and freezing to minimize false alarms and service calls — ideal for residential, retail and light commercial environments. Plated contacts provide consistent conductivity and longevity, supporting dependable alarm performance over time. As a wired, Form A (N.O.) contact, it integrates smoothly with existing intrusion detection, access control and surveillance setups.

Specify the George Risk 129A-W for projects that demand a small footprint, durable construction and simple installation. Add it to your next security installation or retrofit to improve monitoring reliability and reduce maintenance.

• Small, low-profile form factor lets you install discreet door and window sensors without altering aesthetics
• Hermetically sealed, tamper‑proof construction for reliable, maintenance‑free security monitoring in residential and light commercial sites
• Standard 0.5" gap ensures consistent intrusion detection and compatibility with most alarm control panels and monitoring systems
• Screw‑terminal wiring and included cover/mounting hardware speed installation and reduce labor time on site
• Plated contacts resist sticking or freezing for dependable performance in variable environments