Overview
The Belimo LRB24-3 is a non-fail-safe rotary valve actuator designed for floating or on/off control in HVAC hydronic systems. Powered by 24V AC/DC, it delivers 45 in-lb (5 Nm) torque with smooth 90° rotation.
Features
- Non fail-safe operation with 5 Nm torque output
- Floating or 3-point control signal compatibility
- IP54 / NEMA 2 rated protective enclosure
- Low power consumption with quiet motor operation
- Manual override button for manual valve adjustment
Specifications
- Nominal Voltage: AC/DC 24 V
- Control Type: Floating/3-point, On/Off
- Torque: 45 in-lb [5 Nm]
- Running Time: 90 seconds
- Protection Category: IP54, NEMA 2
Applications
- Control of hot and chilled water valves in HVAC systems
- Air handling units and fan coil zone control
- Floating control loops in commercial buildings



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