Belimo FSNF120 Actuator R-410A reducing the risk of seat

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

using an oversized motor can lead to electrical imbalances or system failure

allowing for precise airflow adjustment to meet system static pressure requirements

protecting the fan motor and structural housing from stress fractures

Rugged Reliability: The NEMA 1 enclosure and heavy-duty SPDT contacts are designed to withstand demanding industrial environments and provide long-term switching performance

Belimo FSNF120 Actuator R-410A reducing the risk of seatThe 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