Product Information
MDH series are designed to hold doors open and release the door by remote switch or fire fighting system. It is a fail-safe device which automatically cuts off the power and closes the fire door when the fire fighting system detects a fire. It will release the fire rated doors that are required to provide a barrier for fire and smoke
Specifications
Materials: Stainless Steel
Voltage: Standard DC inputs of 24V (Special order for DC 12V_
Holding Force: Up to 80 pounds
Mount: Flush (recessed) mount, model: MDH-01E
Surface mount, model: MDH-02E
Total Projection: MDH-01E Flush Mount: 5/32″ (4mm)
MDH-02E Surface mount: 4-5/8″ (117mm)
Armature: 1-11/16 (43mm)
Finish: US32D
Armature Extension: 1″ extension bolt (AEXT-01) for Door armature extension
It can be connected for 2″ & 3″ length