The FSD60XP Combination Fire/Smoke Damper is both UL555 and UL555S Classified. It is rated as a 1 1/2 hour fire damper and a Leakage Class I Smoke damper. It features:
- Rated to 2,000 fpm and 4" w.g.
- Explosion Proof enclosure for electric actuator
- UL approval for dual directional airflow
- Airfoil blades, which have greater strength, less static pressure drop, superior sealing ability, superior fire protection ability and produce less noise
- Failsafe design, which enables the damper to automatically assume the desired position when fire or smoke (if smoke detector is present) interrupts operational power
- Galvanized steel construction
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