Description:The electric switch is used in water systems, start and stop the pump automatically. Examine the water automatically, stop the pump in the case of water shortage, protect the pump from damage caused by dry-running. Completely replaced traditional pump control system composed of pressure switch, pressure tank and check valve etc.Specifications:Power supply: 100-120VFrequency : 50/60HZMax Current: 30AMax pump HP: 1.1KWMax. Working Bar Pressure: 10 BarInlet&Outlet Pipe Size: 1''Max Operation Temperature: 60Application: self-priming pump, jet pump, Garden Pump, clarified water pump, centrifugal pump,et.Features: Automatic start and stop the pump when tap open/close.Reduce water hammer effects.Simple control to maintains constant pressure during operation.Dry running protection to protect motor, extra pump life.In order to avoid the pump on/off & pressure high/low problems.Package Included: 1 X Automatic Pump Controller.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.