Belimo LR24A-SR - rotary actuator for ball valves
Belimo LR24A-SR is a rotary actuator for ball valves, powered by AC/DC 24 V. It provides a torque of 5 Nm, 2...10 V modulating control and a 2...10 V position feedback signal.
Running time is 90 s / 90°. The actuator has a mechanical position indicator, adjustable rotation angle limiters and manual operation by push-button, which can be locked.
Belimo LR24A-SR rotary actuator
LR24A-SR is a rotary actuator with modulating control, designed for ball valves. The Y control signal determines the actuator position, while the U feedback voltage enables electrical indication of the valve position.
Key features and specifications
- Torque: 5 Nm.
- Rated voltage: AC/DC 24 V; rated voltage frequency: 50/60 Hz.
- Y control range: 2...10 V; U position feedback signal: 2...10 V.
- Running time: 90 s / 90°.
- Power consumption in operation: 1.5 W; at rest: 0.4 W; sizing power: 3 VA.
- Power and control connection: 1 m cable, 4x 0.75 mm².
- Manual operation by push-button, which can be locked; mechanical, plug-in position indicator.
- Rotation angle adjustment using mechanical limiters.
- IEC/EN degree of protection: IP54; IEC/EN protection class: III, Safety Extra-Low Voltage (SELV).
The actuator can be mounted directly on the ball valve using a single central screw. The mounting orientation relative to the valve can be selected in 90° increments.
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Brand
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ReferenceLR24A-SR
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EAN137630498112577
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AC/DC voltageAC/DC 24 V
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Power consumption (running)1.5 W
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Power consumption (holding)0.4 W
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Rated power3 VA
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Power supply control connectionCable 1 m, 4x 0.75 mm²
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Control typeDC 2...10 V
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Protection ratingIP54
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NEMA protection ratingNEMA 2
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Enclosure typeUL Enclosure Type 2
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