> Products > Fire Releasing Device
Fire Releasing Device


UL864 listed releasing devices for fire alarm systems

Multi-voltage auto-detecting

Diagnostic indicator LED lights

Alarm test button

2-wire smoke detectors in serial connection, max. 4 detectors

Internal battery backup power


• Alarm dry contact input or 24VDC input

• Close limit dry contact input (N/O)

• Door closing warning output signal 24VDC, 0.5A max.

• Release/Activation signal dry contact

• External power input 24VAC/VDC, 1.3A min.

• 2-wire smoke detector connection points

Alarm Test Button: Easy-to-operate the alarm test button on front panel to simulate fire condition and release the fire door mechanism and hence close the fire door.

Alarm Delay 10 Sec.: The releasing device has a 10 seconds delay upon power failure and fire alarm.

Diagnostic Indicator LED Lights: LED lights to indicate the status of AC power, battery charging, door at close limit, battery power, low battery voltage, latch released and releasing device dis-armed.

Audible Warning: Audible warnings for AC fail, charging fail and battery low conditions.

Internal Battery Backup Power: Up to 7 days (168 hours) battery backup power (when no external devices connected).