Product Overview
Belimo AFBUPS Fail-Safe Actuator
The Belimo AFBUPS is a fail-safe actuator. It controls HVAC air dampers with a universal power supply of 24-240V.
This actuator offers on/off damper control with a spring return feature. It provides reliable performance even in power loss situations.
Part Details:
- Power Supply: 24-240 VAC, 24-125 VDC
- Power Consumption: 7 W running, 3.5 W holding
- Transformer Sizing: 7 VA @ 24 VAC, 8.5 VA @ 120 VAC, 18 VA @ 240 VAC
- Shaft Diameter: 1/2” to 1.05” round, centers on 1/2” and 3/4” with insert
- Electrical Connection: (2) 3 ft, 18 GA appliance cables with 1/2” conduit connectors
- Overload Protection: Electronic throughout 0-95° rotation
- Torque: 180 in-lb [20 Nm]
- Angle of Rotation: 95°, adjustable with mechanical end stop (35° to 95°)
- Running Time (Motor): <75 seconds
- Running Time (Fail-Safe): 20 seconds @ -4°F to +122°F, <60 seconds @ -22°F
- Noise Level: ≤50 dB(A) motor, <62 dB(A) fail-safe
- Position Indication: Visual indicator, 0° to 95°
- Manual Override: 5 mm hex crank (3/16” Allen), supplied
- Ambient Temperature Range: -22°F to +122°F
- Storage Temperature Range: -40°F to +176°F
- Humidity: Max 95% RH, non-condensing
- Protection Rating: NEMA 2, IP54, UL Type 2
- Housing Material: Zinc-coated metal and plastic casing
- Weight: 5.1 lbs
- Auxiliary Switches: 2 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC
- Mounting: Directly to a damper shaft up to 1.05” in diameter with a universal clamp
Documentation:
