Belimo NFBUP-S Damper Actuator

Belimo NFBUP-S Damper Actuator is an ON/OFF, direct-coupled damper actuator with spring-return operation for HVAC systems. This reliable actuator delivers precise air control with a 95° rotation, high torque, and broad voltage compatibility. It operates on 24–240 VAC or 24–125 VDC at 50/60 Hz, drawing 6 W when running and 2.5 W in hold, for energy-efficient performance in both energized and resting states.

Built for durable HVAC service, the NFBUP-S combines rugged construction with versatile installation requirements. Enjoy dependable operation in challenging environments, supported by robust approvals and a compact footprint designed for tight spaces.

• Voltage: 24–240 VAC or 24–125 VDC; 50/60 Hz
• Running/holding power: 6 W / 2.5 W
• Torque and motion: 90 in-lb, 95° rotation
• Enclosure: NEMA 2, IP54
• Size and shaft: 3.15" W × 3.42" D × 9.69" H; shaft 1/2" to 1.05"
• Supply: 3 ft 18 AWG appliance cable with 1/2" conduit connector
• Includes: 5 mm hex crank, (2) SPDT auxiliary switches
• Operating temperature: -22 to 122 °F
• Approvals: UL (Canada and US), UL 60730, CE, CAN/CSA E60730, ISO 9001