Belimo FSNF120 Actuator R-410A protecting the fan motor and

protecting the fan motor and structural housing from stress fractures

reducing the risk of seat leakage or "simmering" near the set limit

ensuring positive shut-off during power loss

designed for standard solder connections in 2-ton cooling circuits

focusing purely on high-stability temperature regulation and streamlined HVAC mechanical control in warehouses

Belimo FSNF120 Actuator R-410A protecting the fan motor andThe Belimo FSNF120 is a high torque fire and smoke damper actuator designed for life safety applications in HVAC systems. Operating on a 120 VAC power supply, this spring return actuator delivers 70 in lb of torque, ensuring reliable fail safe operation during power loss or fire alarms. Built with a rugged steel housing, it is engineered to meet UL555 and UL555S standards, capable of strictly managing smoke leakage in commercial ductwork. The unit