Encitech 6355-0004-33 is a Variable Frequency Drive (VFD) manufactured by Encitech. It is a digital control unit for the precise control of electric motors. It is typically used to control the speed of a motor, allowing precise motor speed control and increased accuracy in motor speed. It can also be used to provide constant torque, variable speed and overload capability. The main applications of this product are in industrial equipment, heating/ventilation/air conditioning (HVAC) systems, pumps, compressors and automated machinery. The 6355-0004-33 is a single-phase, 240V Variable Frequency Drive with a rated output current capacity of 15 Amps. It features a comprehensive list of features and options, including automatic starting and stopping, ramping, soft start and stop, energy efficient V/F control, multiple communication protocols and programming parameters.