EXAMPLE :

• DH502 : Wall mounted, w/adjustable armature plate, w/release switch
• DH502S : Wall mounted, w/adjustable armature plate, monitored, w/release switch
• DH502F : Wall mounted, w/fixed armature plate, w/release switch

SPECIFICATION : 

• Holding Force : about 100LBS
• Built-in voltage spike suppressor
• Sensor : Optional
• Voltage : 12V / 24VDC (Selectable)
• Current Draw : 100mA / 12VDC , 50mA / 24 VDC

FEATURES : 

• Suitable for fire escape doors in largescale buildings.
• It releases the armature plate to allow the door closer to close the door when a fire alarm or emergency  is detected, to keep smoke in a limited area.
• With Release Switch : to release the door for other purposes (e.g. function test)
• Adjustable, fixed, extended, or morticed armature plate

• Catalog DH502
• Instructions DH502