AC fan speed controller for three-phase 230 V motors. The (combined) maximum motor current is 10 A.
The AC fan speed can be selected via the rotary switch. This 5-step rotary switch also has an OFF position.
The motor speed is regulated in 5 steps by varying the motor voltage. The output voltage is fully sinusoidal and guarantees quiet operation of the motor. T
he housing is IP54 protected to prevent the ingress of dust, dirt and moisture. The unit can be wall-mounted indoors.
The supply voltage is 3x 230 VAC.