Product Description
The Belimo AFB24-SR is a spring return actuator designed for modulating control of dampers in HVAC systems. It provides a torque of 180 inch-pounds and is suitable for both 24 VAC and 24 VDC power supplies. The actuator requires a control signal ranging from 2 to 10 VDC, and it is also compatible with a 4 to 20 mA control signal when used with the appropriate resistor.
- Spring return operation allows for a reliable fail-safe response.
- 95 degrees of rotation with a graduated position indicator for easy reading.
- Mounts directly to damper shafts up to 1.05 inches in diameter.
Product Highlights
This actuator is widely used for HVAC applications requiring tight shut-off and constant torque. It can be installed using several mounting options for flexibility in installation.
Product Information
Standard Information
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Manufacturer: Belimo
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Part Number: AFB24-SR
Technical Specifications
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Actuator Type: Spring return
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Torque: 180 inch-pounds
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Voltage: 24 VAC / DC
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Control Type: 2 to 10 VDC
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Angle of Rotation: 95 degrees
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Direction of Rotation (Fail-Safe): Reversible
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Power Consumption: 5.5 W running, 3 W holding
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Running Time: Less than 20 seconds for fail-safe
