Rotary actuator with safety function, 20 Nm, AC/DC 24 V, 2...10 V, 150 s, 2x SPDT, IP54

Modulating fail-safe damper actuator
Current reduction in rest position
Constant, load-independent running time
Mechanical angle of rotation limiter and position indication
Torque motor 20 Nm
Nominal voltage AC/DC 24 V
Nominal voltage frequency 50/60 Hz
Power consumption in operation 5 W
Power consumption in rest position 3 W
Power consumption for wire sizing 7 VA
Control modulating
Auxiliary switch 2x SPDT
Auxiliary switch note 1x 10% / 1x 11...100%
Running time motor 150 s / 90°
Running time fail-safe <20 s
Operating range 2...10 V
Position feedback 2...10 V
Direction of motion motor selectable with switch L/R
Angle of rotation Max. 95°
Manual override by means of hand crank and locking switch
Mechanical interface Universal shaft clamp 10...25.4 mm
Electrical connection Cable 1 m PVC
Degree of protection IEC/EN IP54
Protection class IEC/EN III, Safety Extra-Low Voltage (SELV)


Manufacturer Belimo
Type SF24A-SR-S2