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.
CE Certificate.

DH-504 is a floor mount door holder .The feature of low power consumption, that makes it more environment friendly and more durable. It contains build-out release button for testing and build-in MOV which .