DH-603US is a American Type mortise mount door holder. Feature of low power consumption makes it more environmental friendly and more durable. With Manual door release button.Build-out release button for testing and build-in MOV reverse current protection.
Col linear Load Test 50kg--110pounds.
The Standard Voltage is 24 VDC when finished.
MOV Provides Reverse Current Protection.
Low Power,Environmental Protection.
Anti-Residual Magnetism Design.
Professional Design, Dual Insulate Housing.
Shunt and Defend the Cigarette Door Automatically During the Fire Alarm.
||DC 12/24V(24V for factory settings）
||Manual door release button
||304 stainless steel,wire draw finishing