Belimo FSTF24-S Actuator R-448A Enhanced Stability: Prevents component shifting

Enhanced Stability: Prevents component shifting during startup torque and high-velocity airflow cycles

If your application requires a built-in breaker

Integrated service port allows for easy pressure monitoring and refrigerant recovery procedures

Durable Brass Construction: High-grade brass body resists corrosion and withstands the thermal stresses of repeated brazing and operation

Belimo FSTF24-S Actuator R-448A Enhanced Stability: Prevents component shiftingThe Belimo FSTF24 S Actuator is a dedicated fire and smoke damper actuator designed for reliable fail safe operation in life safety applications. Operating on a 24V AC DC power supply, this spring return actuator provides 18 in lb of torque, ensuring positive seal off of dampers during emergency power loss or smoke detection events. Built for the rigorous demands of UL555 and UL555S standards, the FSTF24 S features integrated auxiliary switches for