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The Belimo LR24A-MP is a type of Actuator used in HVAC and ventilation systems.
This kind of Actuator rotates the damper in order to control it.
The force applied by the Torque of the LR24A-MP is 5 Nm.
This Rotary Actuator needs to be supported by a power supply of 24Vac/Vdc.
IACS has the best prices on the right Belimo Actuators for your system.
Consult the Belimo custom datasheet above or contact iacs via email for personalised assistance if you have queries about size or installation.
LR24A-MP Rotary actuator 5Nm AC/DC 24 V
Multifunctional rotary actuator for 2 and
3 way control ball valves
• Torque 5 Nm
• Nominal voltage AC/DC 24 V
• Control: Modulating DC 0 ... 10 V
or variable
• Position feedback DC 2 ... 10 V
or variable
• Communication via BELIMO MP-Bus
• Conversion of sensor signals
Features
- Mode of operation
Conventional operation: The actuator is controlled with a standard modulating signal of DC 0 ...
10 V and travels to the position defined by the control signal. Measuring voltage U serves for the
electrical display of the actuator position 0 ... 100% and as slave control signal for other
actuators.
Operation on the MP-Bus: The actuator receives its digital positioning signal from the higher
level controller via the MP-Bus and travels to the position defined. Connection U serves as
communication interface and does not supply an analogue measuring voltage.
- Converter for sensors Connection option for a sensor (passive or active sensor or switching contact). The MP actuator
serves as an analogue/digital converter for the transmission of the sensor signal via MP-Bus to
the higher level system.
- Parameterisable Actuators The factory settings cover the most common applications. Input and output signals and other
parameters can be altered with the MFT-H parameterising device or the BELIMO Service Tool,
MFT-P.
- Simple direct mounting Straightforward direct mounting on the ball valve with only one screw. The mounting position in
relation to the ball valve can be selected in 90° steps.
- Manual override
Manual operation with pushbutton possible - temporary, permanently. The gear is disengaged
and the actuator decoupled for as long as the button is pressed / latched.
- Adjustable angle of rotation Adjustable angle of rotation with mechanical end stops.
- High functional reliability The actuator is overload-proof, requires no limit switches and automatically stops when the end
stop is reached.
Electrical data
Nominal voltage AC 24 V, 50/60 Hz / DC 24 V
Power supply range AC 19.2 ... 28.8 V / DC 21.6 ... 28.8 V
Power consumption In operation 2 W at nominal torque
At rest 1.2 W
For wire sizing 3.5 VA
Connection Cable 1 m, 4 x 0.75 mm2
Functional data Factory settings
Torque (nominal torque) Min. 5 Nm at nominal voltage
Control Control signal Y DC 0 ... 10 V, input impedance 100 kΩ
Position feedback (measuring voltage U) DC 2 ... 10 V, max. 0.5 mA
Uni-rotation ±5% absolutely
Running time 90 s/90°
Angle de rotation limiting MAX (maximum position) = 100%
MIN (minimum position) = 0%
ZS (intermediate position, AC only) = 50%
Sound power level Max. 35 dB (A)
Position indication Mechanical, plug-on
