Stop unauthorized entries into your property with the Seco-Larm Enforcer Double Door Electromagnetic Lock with Bond Sensor, 600 Lbs. Using 600 pounds (272kg) of electromagnetic holding force, this electromagnetic lockis the perfect solution for securing a double door in a standard indoor application. This 600-lb magnetic door lock is housed in anodized aluminum (black finish) and comes with various features to monitor the status of the door including a built-in bond sensor with 3A dry relay output and built-in color status LEDs. It also features MOV surge protection to ensure long-term reliability and includes a detachable faceplate, an adjustable mounting bracket, and all the mounting hardware needed to make installation quick and easy. The Seco-Larm Enforcer Electromagnetic Lock uses 600 pounds of holding force to secure a double door against unauthorized entry. An extremely strong magnetic field is created every time power is applied to the electromagnetic lock, which is attracted to the steel armature plate that's mounted on the secure door. The only way to open the secure door and allow it to function normally is to deactivate the lock. Holding Force: 600-lb (272kg). Operating Voltage: 12/24 VDC (selectable). Current Draw: 500mA@12VDC, 250mA@24VDC. Bond Sensor Relay: Yes. Status LED: Yes. Operating Temperature: 32°~120° F (0°~49° C). Electromagnetic Dimensions: 19-11/16"x1-5/8"x1-1/16" (185x38x12 mm). Armature Dimensions: 7-1/4"x1-1/2"x1/2" (185x38x12 mm). Destructive Attack: Level I. Line Security: Level I. Standby Power: Level I. Endurance: Level IV. Weight: 9-lb 6-oz (2kg). Certifications: UL294 Access Control System Units - USA; UL10C Positive Pressure Fire Test - USA; UL10B Fire Test of Door Assemblies - USA; ULC-S104 Fire Test of Door Assemblies - Canada. Warranty: Limited Lifetime. Color: Black. Manufacturer Part #: E-941DB-600PQ.