RDAS 4 Nm Spring-return actuators are used in ventilation and air conditioning plants to operate air dampers and air throttles. RDAS 4 Nm Damper actuator can be used for damper areas up to 0.6 m2 and are friction-dependant. They can also be used in ventilation sections where the actuator must move to the zero position, i.e. emergency position, during power failure.
RDAS4S Features:
✓ Torque 4 Nm
✓ Spring return
✓ For dampers up to 0,6 m2
✓ Special versions with auxiliary switches
✓ 24 V and 230 V supply voltage
✓ 2-point (on/off) or 0(2)-10 V control