GRI 4532L Floor Mount Miniature Overhead Door Switch Set, L-Bracket, 2-1/2" Gap, 10W, 200VDC, 0.50A, Closed Loop, N/O, and 36" Armored Cable, Aluminum

Protect overhead doors and loading dock access with the George Risk Industries 4532L magnetic contact — a miniature, floor-mount overhead door switch built for dependable security and monitoring. This low-profile magnetic contact pairs a cast-aluminum housing with a 36-inch armored cable and hermetically sealed reed switch to resist moisture, impact and tampering in industrial or exterior installations. The 4532L supports a wide 2.5-inch working gap and includes a versatile L-bracket and universal magnet for fast alignment on uneven door tracks and frames, reducing installation time and callbacks.

Designed for access control, alarm panels and surveillance integration, the 4532L is a closed-loop, normally-open contact rated at 10W and 200VDC (max switching current up to 0.5A), delivering consistent performance and plated contacts that resist sticking or freezing. Backed by George Risk Industries' lifetime warranty, this compact magnetic contact is ideal for warehouses, garages, and commercial doors where reliable monitoring matters. Enhance your facility’s perimeter security — order the 4532L today or specify it for your next access-control or alarm project.

• Rugged floor-mount design in cast aluminum protects the switch in industrial and harsh environments, reducing replacement and maintenance costs.
• 36-inch armored cable and hermetically sealed housing shield wiring from moisture, impact and tampering for reliable security monitoring.
• Wide 2.5-inch operating gap and universal magnet with L-bracket allow flexible mounting on overhead doors and uneven frames, simplifying installation.
• Normally-open closed-loop configuration integrates easily with access control, alarm panels and surveillance systems for dependable perimeter protection.
• Plated contacts and a 10W/200VDC rating provide stable switching performance (up to 0.5A), minimizing false alarms and contact sticking in cold or dirty conditions.