Belimo FSNF120 Damper Actuator

Meet the Belimo FSNF120 Damper Actuator, an ON/OFF, direct-coupled solution for fire and smoke dampers in air conditioning and ventilation systems. With spring-return operation and a 120V AC supply, it delivers reliable close/open control for commercial HVAC applications.

This robust actuator is built with zinc-coated steel, steel gears, and a compact footprint that fits standard damper assemblies. It provides 70 in-lbs of torque, 95-degree rotation, and an enclosure rated NEMA 1/IP40, suitable for challenging environments. UL listings and CAN/CSA/ISO 9001 approvals ensure safe, compliant integration in both US and Canada.

• Type: ON/OFF, Direct Coupled, Fire and Smoke
• Operation: Spring Return
• Voltage: 120 VAC; Running Power: 23 VA; Holding Power: 9 VA
• Torque: 70 in-lb
• Rotation: 95 degrees
• Enclosure: NEMA 1, IP40
• Dimensions: 3.86" W x 3.25" D x 10.2" H
• Shaft Diameter: 1/2" to 1.05"
• Connection: 3 ft 18 AWG cable with 1/2" conduit connector
• Materials: Zinc-coated steel body; steel gears
• Operating Temp: 32–122°F
• Applications: Air Conditioning and Ventilation System
• Approvals: UL (Canada and US), UL 873, CAN/CSA C22.2, ISO 9001