Belimo Spring Return Fail-Safe, On/Off Damper Control Actuator, Direct Coupled - 24 to 240 VAC

Features: 90 in-lbs (10 Nm) min. torque. 50% more than original NF. New smaller housing for tight spaces, plus reduced shaft-center to edge distance: 1.25" compared to 1.97" with today's NF. Improved motor run-times and spring return time. Manual override is now standard on all models. Provides same benefits as today's AF series; faster installation and easier maintenance of equipment with lock-in-place switch. Don't worry about actuator burn-out. Belimo is overload-proof throughout rotation. Universal power supply (On/Off models only) can accept 24 up to 240 VAC. One actuator for all power supply voltages, ideal for customers with limited storage space (store rooms, service vehicles, etc). Built-in mechanical limit stop, a separate accessory no longer needed. The NFBUP-S is used for For On/Off, fail-safe control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer's specifications. Control is On/Off from an auxiliary contact, or a manual switch. The actuato...