Stepless phase cutting controller for 1~230V/50Hz motors. It have an potentiometer to set the speed and
controllamps for operation and alarm. Internal potentiometer to set a min. speed. On/Off Switch with
controllamp. Connection for on/off switch, alarm and thermal contacts. White plastic casing IP54. Several
motors can be connected in parallel as long as the total current does not exceed the current range. Fans to
be used with this controller must be designed for thyristor speed control.