GRI 4402-A Industrial Surface Mount Switch Set, 2-1/2" Standard Gap, 5W, 175VDC, 0.25A, SPDT, C, Aluminum

For robust, professional perimeter protection, the George Risk Industries 4402-A industrial surface mount magnetic contact delivers reliable security and monitoring where rugged performance matters. This industrial-grade magnetic contact combines a weather-resistant aluminum housing with a generous 2-1/2" standard gap and SPDT (Form C) switching to accommodate oversized gates, overhead doors and other heavy-duty applications while remaining compatible with most alarm panels and surveillance systems. Rated for up to 175VDC and designed to handle wiring choices like armored or vinyl-jacketed cable (3' standard lead; custom lengths available), the 4402-A simplifies installation and reduces field modifications for integrators. Kits include mounting brackets and hardware, and the unit’s UL/ULC approvals plus lifetime warranty make it an easy specification choice for commercial security, access control and monitoring projects. Ideal for chain-link fences, garage doors, safes and refrigerated doors, the GRI 4402-A is built to withstand harsh environments while keeping your alarm and surveillance systems dependable. Add the 4402-A to your next installation or contact us for custom cable options and mounting accessories.

• Rugged, weather-resistant aluminum housing protects sensors in industrial and outdoor environments for reliable perimeter security
• 2-1/2" standard gap and SPDT (Form C) contact give flexibility for larger gates and compatibility with most alarm panels and monitoring systems
• Surface-mount design with included brackets and hardware speeds installation on chain-link fences, garage doors, safes and walk-in freezers
• Armored or jacketed cable options and custom lead lengths simplify wiring and long-distance routing for commercial installations
• UL/ULC approvals and lifetime warranty provide peace of mind and help meet compliance requirements for professional security projects