GRI 250-36WG Overhead Door Switch Set, Wall Mount, Closed Loop, 3" Gap, Wide Gap

Protect loading docks and industrial overhead doors with the George Risk Industries 250-36WG magnetic contact — a heavy-duty overhead door switch designed for reliable security and monitoring in harsh commercial environments. Built as a wall/freestanding mount, this wide-gap magnetic contact provides a 3.25 in activation range so it maintains accurate status sensing on loose-fitting, worn or damaged doors that don’t return to a precise closed position. The extruded aluminum housing is engineered to withstand extreme force, shielding the reed switch from damage and lowering long-term service costs. A 36 in stainless-steel armored cable and screw-terminal termination speed installation and secure wiring to access control, alarm or surveillance systems. Hermetically sealed plated contacts resist sticking and freezing, reducing nuisance alarms and improving uptime. With closed-loop normally-open contact form, optional EOL resistors and lifetime warranty, the GRI 250-36WG is ideal for warehouses, loading bays and industrial security applications. Order now or contact our sales team to specify this magnetic contact for your door monitoring and access control projects.

• Built for heavy-duty environments: extruded aluminum housing protects the reed switch from crushing loads and reduces maintenance downtime
• Reliable wide-gap detection: 3.25 in activation gap ensures consistent monitoring of loose-fitting or worn overhead doors
• Easy, secure installation: 36 in stainless steel armored cable and screw terminals simplify connection to access control and alarm panels
• Minimizes false alarms: hermetically sealed, plated contacts resist sticking or freezing for dependable security performance
• Integration-ready: closed-loop normally-open contact, optional EOL resistors and supervisory loops for simple integration with security and surveillance systems