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TFRB24-SR Belimo Valve Actuator
$284.80
Valve Actuator, Spring return, AC/DC 24 V, 2…10 V, modulating
Overview
The Belimo TFRB24-SR is a compact spring return valve actuator providing modulating 2 to 10 VDC control for hydronic control valves. It ensures fail-safe positioning during power failures in commercial HVAC systems.
Features
- Modulating control (2 to 10 VDC) for precise water flow regulation
- Spring return fail-safe action ensures automatic valve closure or opening on power loss
- Low power consumption for energy-efficient operation
- Maintenance-free design with mechanical end-position stops
Specifications
- Nominal Voltage: AC/DC 24 V
- Control Type: Modulating (2 to 10 VDC)
- Actuator Type: Spring Return
- Torque/Force: 22 in-lb [2.5 Nm]
- Power Consumption: 2.5 W running, 1 W holding
Applications
- Modulating temperature control in fan coils and unit ventilators
- Water flow control in small air handling units and zone heating loops
| Weight | 7 lbs |
|---|---|
| Dimensions | 2 × 2 × 2 in |
| Actuator Type | Spring Return |
| Control Type | Modulating |
| Torque | 18 in-lb [2 Nm] |
| Voltage | AC/DC 24 V |
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