Seco-Larm E-941DB-600PQ Enforcer Double Door Electromagnetic Lock with Bond Sensor, 600 Lbs.

Secures a door with 600 pounds (272kgof holding force, Built-in status LEDs and bond sensor with 3A@12VDC dry relay output, Reliable security with MOV surge protection, Easy wiring with detachable faceplate and no residual magnetism once deactivated, All mounting hardware included and powered by 12 or 24 VDC.