FDRD
FIRE DOOR RELEASE DEVICE
A UL Listed, time-delay door release device that directs a fire door’s fail-safe closure in an emergency situation. Models available for tension release and non-tension release applications with non-motorized, or motorized, door closure upon activation.
Advantages
Standard Features
Floor level testing, reset and trouble indication.
Intelligent operation feature recognizes when the door is closed, inhabits release to eliminate time-consuming resets and prevents damage to the door release mechanism**.
Available in 120 VAC or 24 VDC for motorized or non-motorized door closure.
Battery back-up provides extra protection in the event of a power loss (FDRDB and FDRDC models).
Diagnostic capabilities via LED status lights confirm the operation of the unit.
10-second time-delay on alarm (up to 60-seconds optional) as allowed by authority having jurisdiction.
Optional alarm on power loss provided additional safety measure (FDRDB and FDRDC models).
Relay contact outputs can be utilized to indicate active alarm and troubles.
Sounder/strobe alarm available (standard on FDRDC model).
UL 864 and NFPA® 72 compliant.
Compatible with UL 325 compliant operators – maintains stop on obstruction option.
Fire Door Release Device Support