GRI 4532-36 4532 Series Floor Mount Miniature Overhead Door Switch Set, 2-1/2" Gap, 10W, 200VDC, 0.50 Amp, Closed Loop, N/O, with 36" Lead and 2' Stainless-Steel Armored Cable, Aluminum

Protect critical entry points with the George Risk Industries (GRI) 4532-36 Miniature Overhead Door Switch Set — a compact, floor-mount magnetic contact engineered for reliable security monitoring of overhead doors. This GRI magnetic contact delivers proven performance with a hermetically sealed cast-aluminum housing and a 2-1/2" standard gap to minimize nuisance trips. The unit includes a 36-inch lead and a 2-foot stainless-steel armored cable for abrasion-resistant wiring on loose overhead installations. Rated at 200 VDC and 0.50 A in a normally-open (Form A) closed-loop configuration, it integrates easily with access control, alarm, and surveillance systems. Installers benefit from universal magnet mounting and universal-fit holes, making retrofits fast and cost-effective. Built for warehouses, loading docks, parking facilities, and other demanding sites, the 4532-36 balances compact size with industrial durability. Choose GRI’s dependable overhead door switch to improve security, streamline monitoring, and reduce maintenance—order today or contact us to discuss longer lead options and mounting accessories.

• Space-saving floor-mount design protects overhead doors and reduces false alarms with hermetic sealing and a 2-1/2" standard gap
• Cast aluminum housing and 2' stainless-steel armored cable for dependable, long-life performance in harsh industrial environments
• Universal magnet and fitment holes simplify retrofits and cut installation time for security and access-control systems
• Wired N.O. (Form A) closed-loop contact rated for 200 VDC and 0.50 A to integrate with surveillance, monitoring, and alarm panels
• Flexible options (longer leads, optional "L" bracket) plus lifetime warranty lower total cost of ownership and simplify maintenance