Description
The Belimo AFRBUP-S is a heavy-duty spring return damper actuator engineered for reliable On/Off control in commercial and industrial HVAC applications. Delivering 180 in-lb of torque, this actuator provides the muscle needed to drive large dampers in air handling units, rooftop equipment, and building automation systems. The wide-ranging 24 to 240Vac power supply compatibility makes installation straightforward across virtually any control panel configuration.
Key Features
- Spring return fail-safe operation — damper returns to a defined safe position upon power loss
- 180 in-lb nominal torque for driving large dampers and damper arrays
- On/Off control signal for simple open/close operation
- Wide voltage range: 24 to 240Vac — compatible with most commercial control systems
- Integrated auxiliary switch for end-position feedback or interlocking with other system components
- Compact, direct-coupled design — no crank arm or linkage required
- Belimo’s proven actuator platform for long service life and low maintenance
Specifications
- Brand: Belimo
- Model / SKU: AFRBUP-S
- Actuator Type: Spring Return
- Torque: 180 in-lb
- Control Type: On/Off
- Supply Voltage: 24 to 240Vac
- Auxiliary Switch: Included
Applications
- Commercial air handling units (AHUs)
- Rooftop unit (RTU) damper control
- Building automation and DDC systems
- Outdoor air, return air, and exhaust dampers
- Fire/smoke damper interlock applications requiring end-position feedback
Why Choose Belimo?
Belimo is the global leader in damper actuator technology, trusted by mechanical contractors and building automation professionals worldwide. The AFRBUP-S combines fail-safe spring return reliability with a broad voltage acceptance range and built-in auxiliary switch, reducing the need for additional field-installed components and simplifying commissioning.
