DAMPER ACTUATORS
DA SERIES (DOUBLE WORM GEARING)
These unique designed high efficient models are engineered for operation, either open-close
or modulating of dampers for 90° turn applications.

         

Model

Torque(NW)

Operating Time(sec.)

Motor(W)

Shaft Size(mm)

DA-15

150

23

40

30

DA-30

300

29

60

50

 

Enclosure : Cast aluminum, weather proof IP55

 

Motor : F Class insulation Induction AC motor

 

Electric Source : 110/220VAC/1ph, 220/380/440VAC/3ph, 60/50Hz

 

Gearing : High efficient gear box, double worms gearing.

 

Manual Handwheel : When the power is failed, the direct drive handwheel shall be used for

manual operation after switching by declutch lever.

 

Position Indicator : Continuous visual indicator.

 

Position Limit Switches : Open-close limit switches.

 

Torque Switches : Open-close overload protection torque switches.

 

Adjustable Stoppers : Mechanical open-close adjustable stoppers

 

Space Heater : Anti-condensation.

 

Options :

Potentiometer(1k ohm), Modulating control unit (4-20mA)

Local controls, Auxiliary switches