Magnasphere MSS-301C-WG-GREY 1" Recessed with 1 switch, 1 Closed Loop with Extended Reach Magnet (5/8"min gap), Grey

Engineered for dependable door and window monitoring, the Magnasphere MSS-301C-WG-GREY magnetic contact delivers reliable performance where alignment and durability matter. This 1" recessed sensor features a single switch in a closed-loop configuration and an extended-reach magnet capable of bridging a 5/8" minimum gap—reducing false alarms and simplifying installation in uneven frames or retrofit jobs. Ideal for alarm panels, access control, and surveillance systems, the small gray housing maintains a low profile while the armored cable option adds mechanical protection for exposed runs. Multiple contact output options and compatibility with standard security wiring make the MSS-301C a cost-effective choice for integrators and facility managers who need consistent, UL/ULC-listed components. Whether you’re outfitting a commercial building, retail storefront, or multi-tenant facility, this Magnasphere magnetic contact balances discreet aesthetics with industrial-grade reliability. Order the MSS-301C-WG-GREY for dependable monitoring and seamless integration into your next security or access control deployment.

• Minimizes alignment issues with an extended-reach magnet (5/8" min gap) for reliable contact in uneven installations
• Compact 1" recessed design preserves door and frame aesthetics while enabling discreet sensor placement
• Closed-loop configuration with a single switch simplifies wiring for robust alarm and monitoring integration
• Armored cable option increases vandal and tamper resistance for high-traffic or exterior security deployments
• UL and ULC listings provide compliance confidence for commercial security, surveillance, and access control projects