Belimo LM24A-SX-F Technical Data Sheet

Modulating damper actuator for
adjusting dampers in technical
building installations
• Air damper size up to approx. 1 m²
• Torque motor 5 Nm
• Nominal voltage AC/DC 24 V
• Control modulating
• Adaption
• Mechanical interface Form fit
8x8 mm

Technical data

Functional data
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Technical data sheet
Electrical data Nominal voltage
Nominal voltage frequency
Nominal voltage range
Power consumption in operation
Power consumption in rest position
Power consumption for wire sizing
Connection supply / control
Parallel operation
Torque motor
Operating range Y
Input Impedance
Position feedback U
Position feedback U note
Position accuracy
Direction of motion motor
Direction of motion note
Manual override
Angle of rotation
Angle of rotation note
Running time motor
Adaptation setting range
Sound power level, motor
Mechanical interface
Position indication
Safety Protection class IEC/EN
Protection class UL
Degree of protection IEC/EN
Degree of protection NEMA/UL
Enclosure
EMC
Certification IEC/EN
Certification UL
Certification UL note
Mode of operation
Rated impulse voltage supply / control
Control pollution degree
Ambient temperature
Storage temperature
Ambient humidity
Servicing
Weight Weight
LM24A-SX-F • en-gb • 2019-12-16 • subject to changes
AC/DC 24 V
50/60 Hz
AC 19.2...28.8 V / DC 19.2...28.8 V
1 W
0.4 W
2 VA
Cable 1 m, 4 x 0.75 mm²
Yes (note the performance data)
5 Nm
2...10 V
100 kΩ
2...10 V
Max. 1 mA
±5%
selectable with switch 0/1
Y = 0 V: At switch position 0 (ccw rotation) /
1 (cw rotation)
with push-button, can be locked
Max. 95°
can be limited on both sides with adjustable
mechanical end stops
150 s / 90°
Adaptation after pushing the gear
disengagement button
35 dB(A)
Form fit 8x8 mm
Mechanically, pluggable
III Safety Extra-Low Voltage (SELV)
UL Class 2 Supply
IP54
NEMA 2
UL Enclosure Type 2
CE according to 2014/30/EU
IEC/EN 60730-1 and IEC/EN 60730-2-14
cULus according to UL60730-1A, UL60730-2-
14 and CAN/CSA E60730-1:02
The UL marking on the actuator depends on the
production site, the device is UL-compliant in
any case
Type 1
0.8 kV
3
-30...50°C
-40...80°C
Max. 95% r.H., non-condensing
maintenance-free
0.49 kg
LM24A-SX-F
1