Dynamically Balanced Rotor with Shaft and Impellers TEFC, Capacitor Start and Run Motor Built in Thermal Overload Protector (TOP) to protect the motor from burning Double Shield Ball bearing with life long lubrication Sturdy motor design to withstand wide voltage For various field conditions, pumps available in different voltage bandwidth. High Head Low Discharge, Medium Head Medium Discharge and Low Head High Discharge options All Models are available with Three Phase options.