Vukar Three Phase Digital DOL Fully Automatic Water Level Controller Borewell Submersible Pump Motor Starter Panel Board with Dry Run, Overload, Voltage Protection and Float Switch Sensor (TPA-B) (7.5HP), Three phase digital automatic borewell water level controller motor starter has dry run protection, motor overload protection, undervoltage protection, overvoltage protection, single phase preventer, phase sequence detector and water level controller with float switch sensor. Water level controller automatic starter is designed for a three phase borewell submersible pump to operate as per the level of water in the tank using the float switch.