The KBPW-240D DC Drive is a Pulse-Width Modulated (PWM) control housed in a NEMA 4X / IP 65 washdown/watertight enclosure for indoor or outdoor use. It is designed to operate Permanent Magnet and Shunt Wound motors from 1/100 to 2 horsepower. PWM provides high motor efficiency, whisper quiet operation along with less motor heating.