Fire & Smoke damper actuator

Application
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.
IMPORTANT 24VDC NOTE: The FSLF24 & -S models will not operate below 24VDC. A filtered and regulated
power supply must be used.

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