The electric switch is used in water systems, the pump will start and stop automatically. Automatically examine the water, stop the pump when there is no water, and protect the pump from damage caused by dry running. Completely replaced conventional pump control consisting of pressure switch, pressure tank and check valve etc. Properties: Automatically start and stop pump on tap open/close. Reduce water hammer effects. Simple controls to keep the pressure constant during operation. Dry running protection to protect the motor, extra pump life. To avoid pump cycling and high/low pressure problems. Product alias: water pump automatic Scope of application: automatic control of the water pump Specifications: Maximum pump power: 1.1KW Max. working rod pressure: 10 bar Inlet and outlet pipe size: 1'' Maximum operating temperature: 60 C. Application: self-priming pump, jet pump, garden pump, sewage water pump, centrifugal pump, etc. Rated voltage: 220V Frequency: 50Hz Maximum current: 10A Interface thread: R1 " Maximum operating temperature: 60 degrees Celsius