FSD60-3M UL Classified 3 hr. Class I, Airfoil Blade, Modulating
The FSD60-3M Modulating Combination Fire/Smoke Damper is both UL555 and UL555S Classified. It is rated as a 3 hour fire damper and a Leakage Class I smoke damper. It features:
- Rated for 2,000 fpm and 4" w.g.
- 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 interrupts operational power.
- The EFL and PFL heat-actuated release devices permit controlled closure through the actuator and are automatically remote resettable after test, smoke detection or power failure conditions.
- Galvanized steel construction
- The EFL and PFL heat-actuated release devices permit controlled closure through the actuator and are automatically remote resettable after test, smoke detection or power failure conditions.
- Failsafe design, which enables the damper to automatically assume the desired position when fire interrupts operational power.
- Airfoil blades, which have greater strength, less static pressure drop, superior sealing ability, superior fire protection ability and produce less noise.
- UL approval for dual directional airflow.
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