GRI 412PWG-W 4" Commercial and Industrial Surface Mount Switch Set, Wide Gap, up to 1/2", Open/Closed Loop Type, SPDT, 5W, White

Protect high-traffic doors and critical entry points with the George Risk Industries 412PWG-W surface-mount magnetic contact—designed for dependable security monitoring in commercial and industrial environments. This 4-inch switch set gives installers a wide-gap option (up to 1/2-inch) to accommodate uneven or heavy steel frames and reduces nuisance trips that can interrupt surveillance and access control systems. The SPDT (Form C) contact offers compatibility with alarm panels and access controllers, while screw-terminal or optional pre-wired configurations speed installation and maintenance. Built for durability, the 412PWG-W supports wired connectivity for continuous monitoring and can be ordered with end-of-line resistor or diode options to match your alarm architecture. With tamper-resistant mounting choices, UL 10C fire rating and a lifetime warranty, this magnetic contact helps lower lifecycle costs and strengthen building security. Ideal for security, surveillance and access control projects—order the GRI 412PWG-W to streamline installation and keep your perimeter protected.

• Ensure reliable door and perimeter monitoring with a 4-inch surface-mount design that fits commercial and industrial applications
• Wide-gap tolerance (up to 1/2-inch) reduces false alarms on warped or heavy-duty steel doors, improving security system uptime
• SPDT (Form C) contact provides flexible integration with alarm panels, access control and monitoring systems for easy installation
• Tamper-resistant options and concealed-terminal models protect against sabotage; optional pre-wired 36-inch cable speeds deployment
• UL 10C fire rating and lifetime warranty deliver long-term confidence and lower total cost of ownership for facility security programs