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The DETEX EAX-500SK2 GRAY is a surface-mount exit alarm designed to monitor door openings and alert personnel to unauthorized or unmonitored egress. Battery powered for installation without hardwired electrical connections, this unit mounts directly to the door or frame surface and activates its audible alarm when the door is opened. It includes two MS-1039S magnetic switches that detect door position and trigger the alarm on separation. This device is suited for commercial and institutional door security applications where a licensed installer or facilities technician handles the work.
This exit alarm is used on single doors in commercial buildings, schools, warehouses, and similar facilities where egress monitoring is required at secondary or emergency exits. The surface-mount design allows installation on standard door frames without cutouts or mortising. The two included MS-1039S magnetic switches provide reliable door-position sensing and support flexible mounting configurations on a range of door and frame assemblies.
Designed as an OEM-style surface-mount exit alarm for commercial and institutional door security applications. No specific compatible model numbers or replacement part numbers were provided in the product data.
Installation is typically performed by a licensed locksmith, door hardware specialist, or qualified facilities technician. Before installation, verify the door and frame surfaces are clean and free of obstructions that could affect switch alignment or alarm housing mounting. Magnetic switch placement is critical to proper operation - follow the manufacturer's alignment guidelines to ensure consistent actuation. Consult applicable local building and fire codes, including IBC egress requirements, before installation on any door in a required exit path.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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