Spring-return actuators are used in ventilation and air conditioning plants to operate air dampers and air throttles. RDAS 18 actuators can be used for damper areas up to 3 m2 and are friction-dependant. RDAS18S actuators can also be used in ventilation sections where the actuator must move to the zero position, i.e. emergency position, during power failure.
RDAS18S Features:
✓ Torque 18 Nm
✓ Spring return
✓ For dampers up to 3 m2
✓ Special versions with auxiliary switches
✓ 24 V and 230 V supply voltage
✓ 2-point (on/off) or 0(2)-10 V control
