DH-604 is a wall mount door holder .the Maximum tension achieves 50kg(110Lbs),with the feature of environmental friendly low power consumption.It will release automatically the fire door in case of fire.It also contains build-out release button for testing and build-in MOV which reverse current protection.
Col linear Load: 50kg, 110pounds.
The Standard Voltage is 24VDC when finished.
MOV Provides Reverse Current Protection.
Low Power Consumption, Environmental Protection.
Anti-Residual Magnetism Design.
Professional Design, Dual Insulate Housing.
Automatically close the smoke proof door when fire happens.
Manual door release button.
|| DC24V+10%（12VDC need order）
|| 12V/180mA 24V/70mA
|| Manual door release button
|| All Kind of Single & Double Smokeproof Doors
|| 0~90%(relative humidity)
|Finishes for Shell
|| High Temperature Paint and Environmental Protection
|Finishes for Armature