Damper actuator.
spring return .
230VAC 50/60Hz(24V/110V).
Nominal angular rotation: 90 degree
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Damper actuator:

Power supply: 220VAC 50/60hz
Standard angle of rotation: 90°
Torque: output torque is higher than 0.5N.M
Mode of operation: motor drives to open and spring returns to close
Running time of full stroke: motor drives the damper to work: 54 seconds at 50hz
45 seconds at 60hz spring return: 11 seconds
Environmental temperature: 5~60°C
Mode of installation: mount with damper shaft directly.
Net weight: 500g