The AM/AF series of electric damper ... actuators used with controls that provide an analog output of 0 to 10Vdc, 2 to 10Vdc or 4-20mA. The internal selector plug can be used to reverse the direction ...

running time less than 30second on/off tpe rotary electric actuator control is special designed for small and medium-sized air damper as well as for terminal control unit of air volume system. It is ...