This fan kit is an option for the soft start/soft stop Altistart 22 range. The fan is controlled by the Altistart 22. It can be used with a 110V power supply. This fan kit allows the soft starter to meet the needs of more demanding applications. The fan noise level is less than 60dBA. Its dimensions are 150mm wide, 350mm high, and 40mm deep. It is mounted on the back of the device.