Belimo LRF230 - rotary actuator for ball valves
Belimo LRF230 rotary actuator for ball valves, with a fail-safe function provided by a return spring. Torque 4 Nm, AC 100...240 V supply and Open/Close control.
When the power supply fails, the valve returns to the closed position (NC). Motor running time is 75 s / 90°, and the degree of protection is IP54.
Belimo LRF230 – actuator for ball valves
During operation, the rotary actuator moves the valve while tensioning the return spring. If the power supply is interrupted, the spring moves the valve to its safety position: closed (NC, A–AB = 0%). For valves with an L-port, the direction of operation is specified as A–AB = 100%.
Key features and technical data
- Motor and return spring torque: 4 Nm.
- Nominal voltage: AC 100...240 V; frequency: 50/60 Hz; nominal voltage range: AC 85...265 V.
- Control: Open/Close.
- Motor running time: 75 s / 90°; spring return time: <20 s @ -20...50°C, <60 s @ -30°C.
- Power consumption during operation: 3.5 W; at rest: 2 W; for wire sizing: 6.5 VA.
- Power and control connection: 1 m cable, 2x 0.75 mm².
- Manual adjustment with a crank, which can be locked in any position; mechanical position indicator.
- Direct mounting on the ball valve with one screw; mounting orientation can be selected in 90° increments.
- Degree of protection IEC/EN: IP54; protection class IEC/EN: II, reinforced insulation.
- Ambient temperature: -30...50°C.
The actuator is protected against overload and stops automatically when it reaches the end stop. Parallel connection with other actuators is possible, taking power consumption data into account.
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Brand
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ReferenceLRF230
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EAN137630498104923
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AC/DC voltageAC 100...240 V
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Power consumption (running)3.5 W
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Power consumption (holding)2 W
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Rated power6.5 VA
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Power supply control connectionCable 1 m, 2x 0.75 mm²
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Control typeClose/Open
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Protection ratingIP54
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