12/24VDC Electric Magnetic Lock/Mini EM Door Holder For Auto Door
Work with all Kind of Single & Double Smokeproof DoorsMagnetic door holders are used in rire protection doors, These holders keep the doors open during dap to dap operations When smoke is detected the fire alarm transmit a signal which cuts off the power feed and the mechanism releases the door. This avoids rire and smoke expansion.
Product Name: Electromagnetic Door Holders
Voltage: 12/24 VDC+/- 10% (Adjustable)
Current Draw: 12V/140mA 24V/70mA
Suitable for: All Kind of Single & Double Smokeproof Doors
Surface Temp: ≤+20℃
Operating Temp: -10~+55℃(14-131F)
Suitable Humidity: 0~90%(relative humidity)
Finishes for Shell: High Temperature Paint and Environmental Protection Zinc
Finishes for Armature: Zinc