Features: Made of high quality material for durability and stability. It is suitable for self-priming pumps, jet pumps, garden pumps, water pumps, etc. When the system pipeline pressure reaches the upper limit, the power supply is automatically cut off and the pump stops working. When the system pressure reaches the lower limit, the power supply is automatically switched on and the pump starts to work. Totally automatic control without manual operation. Specifications: Condition: Brand New Color: Black Material: Plastic Rated Voltage: 250V Maximum Current: 10A Pressure Range: 1.0-5.0bar Pressure Setting: 1.4-2.4bar 1.4-2.8bar Interface Thread: ZG1/4" G1/4" Protective Level: IP44 Working Temperature: 0-55 C Package List: 1 * Pump Pressure Switch Package List 1Made of high quality material for durability and stability. 2It is suitable for selfpriming pumps, jet pumps, garden pumps, water pumps, etc. 3When the system pipeline pressure reaches the upper limit, the power supply is automatically cut off and the pump stops working. 4When the system pressure reaches the lower limit, the power supply is automatically switched on and the pump starts to work. 5Totally automatic control without manual operation.