Auto Control Switches: We manufacture a range of automatic products. In this range, automatic water level control switches are available in single-phase up to 1 HP and in three-phase for both ordinary and submersible pumps, available up to 3 HP. This unit will turn ON at the minimum water level in the overhead tank and turn OFF at the maximum water level. Auto cut-off is provided at empty sump, low or high voltage, and dry run. Automatic timer switches, dawn-to-dusk switches, and float water level control switches are also manufactured and/or marketed by us.