Variable speed control - separate ON-OFF switch
ITR-9 series are AC fan speed controllers. They control single-phase voltage controllable motors with a maximum current of 10 A. They regulate fan speed by varying the motor voltage via phase angle control - Triac technology. Thanks to the precise digital control, the motor runs extremely quietly, even at low speeds. The minimum speed is adjustable via an internal trimmer. There are two start-up modes - kick start and soft start. The motor can be activated or deactivated via the integrated ON-OFF switch.