Shunt and Defend the Smokeproof Door Automatically During the Fire Alarm. Suitable for: All Kind of the Single & Double Smokeproof Door. Holding Force: 50kg / 110Lbs. Current Draw: 12V/180mA, 24V/70mA.
Item Tag: YD-603US
50kg 110Lbs Force American Type Wall Mount Emergency Smokeproof Door Holder. Shipped with USPS Priority Mail.