FSLF120 | Fire & Smoke Actuator | 30 in-lb | Spg Rtn | 120V | On/Off | 1m Cable | Belimo
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Brand: BelimoSKU: FSLF120

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FSLF120 | Fire & Smoke Actuator | 30 in-lb | Spg Rtn | 120V | On/Off | 1m Cable | Belimo

Fire & Smoke Actuator, 30 in-lb [3.5 Nm] from 32...350°F [0...177°C], Spring return, AC 120 V, On/Off

Belimo | FSLF120
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Belimo FSLF120 Documents


Details for FSLF120

Fire & Smoke Actuator | 30 in-lb | Spg Rtn | 120V | On/Off | 1m Cable


The type FSLF 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 and will meet requirements of UBC for 15 second opening and closing. Square footage of damper operated will depend on make and model and the temperature required.


Mounting of the actuator to the damper axle shaft or jackshaft is via a cold-weld clamp. Teeth in the clamp and V-bolt dig into the metal of both solid and hollow shafts maintaining a perfect connection. The specially designed clamp will not crush hollow shafts. The bottom end of the actuator is held by an anti-rotation strap or by a stud provided by the damper manufacturer.

The actuator is mounted in its fail safe position with the damper blade(s) closed. Upon applying power, the actuator drives the damper to the open position. The internal spring is tensioned at the same time. If the power supply is interrupted, the spring moves the damper back to its fail-safe position.


Item Number FSLF120
Brand Belimo


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