Genex Electric Co. Designs Automatic Voltage Regulator with Parallel Operation Facility. Genex Electric Co. Also develops wide range of voltage regulators with different Specifications. Automatic Voltage Regulator with Parallel Operation Facility is provided with on / off Switch. It is available with -20° C to + 60° C ambient operating Temperature. The Overall dimension of this regulator is 190 X170 X 60. It is also provided with external voltage setting facility. It has minimum 6 ohms Field Resistance.