Digital SCR Proportional Controller is made using quality grade material to ensure optimum performance for longer period of time. SCR Proportional Controller is a Microcontroller based unit that find application in electrical and electronic industries. SCR Proportional Controller can operate in single phase, two phase and three phase mode of operation in speed range of 25-205 Amps per phase. Digital SCR Proportional Controller requires 0 to 10 VDC to function efficiently.