Door Holder Advantages:
Colinear load test 50kg, 110pounds.
Dual voltage 12 or 24 vdc(optional).
The standad voltage is 12vdc when finished.
Mov provides reverse current protection.
Low power, environmental protection.
Anti-residual magnetism design.
Professional design, dual insulative housing.
Automatically close the smokeproof door when fire happens
Have CE certificate
Door Holder Technical parameters:
Holding force: 50kg(110lbs)
Current draw: 12v/140ma 24v/70ma
Optional: Manual door release button
Suitable for: All kinds of single & double smokeproof doors
Surface: Temp≤ +20
Operating temp: -10~+55º C(14-131f)
Suitable humidity: 0~90%(relative humidity)
Finishes for shell: High temperature paint and environmental protection zinc
Finishes for magnetic: Zinc
We offer many types of Electric lock, such as: Electromagnetic lock, magnetic lock, Electric drop bolt, Electric dead bolt, Panic bar, Panic exit device, Exit control lock, Emergency lock, Electric strike lock. Hotel lock, fingerprint lock and so on.