FSTF120-S US | Belimo | Fire&Smoke Damper ActuatorFSTF120 S US Fire & Smoke Actuator, On Off , 120 VAC , spring return (fail safe), built in auxiliary switch The type FSTF spring return actuator is intended for the operation of smoke and combination fire and smoke dampers in ventilation and air conditioning systems. The actuator will meet requirements of UL555 and UL555S when tested as an assembly with the damper. Square footage of damper operated will depend on make and model per damper manufacturer

Probe length 12" [300 mm]

20 inch WC [20

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