Performance & Advantages Automatic auto-coupling pressure-relief start for the induction motor. Accelerating or stopping the electromotor Protection of short circuit, phase failure and overload for the electric motor. Additional, over temperature protection Water leakage protection for the oil chamber of the water pump. Range of Application Auto-control of water supply and drainage for daily and industrial purposes, fire control, sprinkling, booster pumps, circulating pumps of cold and hot water in air-conditioning system, as well as control and start of other AC motors. Technology Parameters Power of Control Motor: 15-110kW Control Voltage: 380V Number of Control Pumps: 1-5