GRI 400WG 400 Series Industrial Surface Mount Switch Set, 3-1/4" Wide Gap, 10W, 160VDC, 0.40A, Closed Loop, N/O, and Concealed Screw Terminals, White

Designed for dependable perimeter protection, the George Risk Industries 400WG magnetic contact delivers tamper‑resistant, wide‑gap performance for commercial and industrial security applications. This surface mount magnetic contact features concealed 1/4" terminals recessed into the back to deter tampering and reduce nuisance triggers—ideal for high‑traffic doors and exposed installations. With a wide standard gap of 3.25", closed‑loop N/O contact configuration, and a rated DC capacity suited to most security systems, the 400WG supports seamless integration with alarm panels, access control, and surveillance monitoring. Built from durable steel and supplied with spacers and mounting hardware, the set speeds installation while maintaining reliable alignment across steel frames and reinforced doors. Backed by a lifetime limited warranty, the 400 series minimizes downtime and lifecycle expense for facility managers and integrators. Specify the George Risk Industries 400WG magnetic contact for robust door monitoring and tamper‑resistant protection—contact sales for bulk pricing or add to your next security system deployment.

• Tamper‑resistant concealed terminals reduce vandalism and false alarms for reliable long-term monitoring
• Wide 3.25" gap accommodates steel and reinforced commercial doors, simplifying installation across varied sites
• Closed-loop N/O contact ensures dependable integration with security panels, access control and surveillance systems
• Heavy‑duty steel surface-mount construction withstands industrial environments and lowers maintenance costs
• Includes spacers and mounting hardware for faster installs and consistent alignment
• Lifetime limited warranty provides long-term assurance and lowers total cost of ownership