Belimo LR24A-SZ - rotary actuator for ball valves
Belimo LR24A-SZ rotary actuator for ball valves, with a torque of 5 Nm and an AC/DC 24 V supply. Modulating control 0.5...10 V and position feedback signal 0.5...10 V.
Running time is 90 s / 90°, and the degree of protection is IP54. The actuator can be manually repositioned using a push button.
Belimo LR24A-SZ – rotary actuator for ball valves
Modulating actuator designed for ball valves. The control signal Y determines the valve position, while the measuring voltage U enables electrical indication of the position from 0...100% and can be used as a control signal for other actuators.
Key features and specifications
- Torque: 5 Nm; nominal voltage: AC/DC 24 V.
- Y operating range: 0.5...10 V; position feedback signal U: 0.5...10 V.
- Running time: 90 s / 90°.
- Power consumption: 1.5 W during operation and 0.4 W at rest; power rating for cable sizing: 3 VA.
- Power and control connection: 1 m cable, 4x 0.75 mm².
- Manual repositioning by push button with the option to lock; adjustable rotation angle with mechanical end stops.
- Direct mounting on the ball valve using one central screw; mounting orientation can be selected in 90° increments.
- IEC/EN degree of protection: IP54; ambient temperature: -30...50°C.
The actuator is protected against overload and stops automatically when an end stop is reached. The device is intended for stationary heating, ventilation and air-conditioning installations.
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Brand
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ReferenceLR24A-SZ
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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 0.5...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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