AFRB24-SR Belimo Modulating Spring Return Actuator
$454.70
Valve Actuator, Spring return, AC/DC 24 V, 2…10 V, modulating
Overview
The Belimo AFRB24-SR is a spring return modulating actuator designed for fail-safe control of dampers and valves in HVAC systems, providing 180 in-lb of torque.
Features
- Mechanical spring return fail-safe mechanism ensures reliable positioning during power outages
- Proportional/modulating control accepting 2 to 10 VDC signals
- Microprocessor-controlled motor with Digital Rotation Sensing (DRS) stall protection
- Universal shaft clamp for direct mounting to round or square shafts
Specifications
- Torque: 180 in-lb [20 Nm]
- Nominal Voltage: AC/DC 24 V
- Control Signal: 2 to 10 VDC
- Actuator Type: Spring Return
- Degree of Protection: IP54, NEMA 2
Applications
- Fail-safe modulating control of air dampers in commercial HVAC units
- Water valve control in air handling units and central mechanical rooms
| Weight | 5 lbs |
|---|---|
| Dimensions | 13 × 7 × 5 in |
| Actuator Type | Spring Return |
| Control Type | Modulating |
| Torque | 180 in-lb [20 Nm] |
| Voltage | AC/DC 24 V |
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