Fire Sentinel

The Fire Sentinel® is a UL-listed, time-delay door release device that directs a fire door’s closure in an emergency situation.


- Floor-level testing, reset and trouble indication available for ease of operation.

- Intelligent operation feature recognizes when the door is closed, inhibits release to eliminate time-consuming resets and prevents damage to the door release mechanism.**

** For non-motorized doors, this feature requires a proximity switch.

- Available in 120V AC or 24V DC for motorized or non-motorized doors.

- Battery back-up provides extra protection in the event of a power loss (FSBX and FSCX 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 provides additional safety measure (FSBX and FSCX models).

- Sounder/strobe alarm available (standard on FSCX model).

- UL 864 and NFPA® 72 compliant.

- Compatible with UL 325 complaint operators – maintains stop on obstruction option. †

† Available on FSCX models only.