Description
Belimo ARB24-3-S Non-Spring Return Damper Actuator Overview
The Belimo ARB24-3-S is a heavy-duty, non-spring return rotary damper actuator engineered for reliable on/off and floating point control in commercial HVAC systems. Delivering 180 in-lb of torque, this actuator is well-suited for large damper applications where consistent, precise positioning is essential. Dual-voltage compatibility with 24Vac and 24Vdc power supplies provides installation flexibility across a wide range of building automation and control systems.
Key Features
- Non-spring return design for reliable damper positioning
- 180 in-lb torque output for large or high-resistance dampers
- On/Off and floating point control modes
- Compatible with 24Vac and 24Vdc power supplies
- Integrated auxiliary switch for end-position feedback or interlocking
- Rotary actuator design for direct damper shaft mounting
- Manual override for commissioning and emergency operation
- Compact, rugged housing suitable for commercial HVAC environments
Auxiliary Switch
The built-in auxiliary switch provides end-position signaling, enabling integration with building automation systems, fan interlock circuits, or status indication panels. This feature simplifies commissioning and enhances system reliability by confirming damper position.
Applications
- Commercial HVAC air handling units (AHUs)
- Large volume damper control in VAV and constant volume systems
- Outside air, return air, and exhaust dampers
- Building automation and energy management systems
- Fan interlock and economizer control applications
Product Specifications
- SKU: ARB24-3-S
- Brand: Belimo
- Actuator Type: Non-Spring Return, Rotary
- Torque: 180 in-lb
- Control Type: On/Off / Floating Point
- Supply Voltage: 24Vac / 24Vdc
- Auxiliary Switch: Included
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