The KBMA Series of Adjustable Frequency Drives consists of two inverter models rated for 1 horsepower motors. These drives are housed in NEMA 1/ IP50 aluminium enclosures. The KBMA-24DF contains a built-in CE approved AC Line Class “A” Industrial Standard RFI (EMI Filter). All models include an On/Off line switch and a main speed potentiometer.