Features: Made of high quality material, strong structure, anti-corrosion, durable in use. Designed to automatize the starting and stopping operation of water pump, and maintain the pressure and flow. The maximum working pressure can be up to 80psi. Simple control to maintain constant pressure during operation. In order to avoid the pump on/off & pressure high/low problems. Specification: Operating voltage: 380V Thread size: 3/8 NPT Minimum pressure: 15 psi Maximum pressure: 80 psi Working pressure range: 15-60 psi ON1.4 kg-OFF2.8 kg Environmental temperature: 55 Waterproof grade: IP44 Package List: 1* Pressure Control Switch Package List 1Made of high quality material, strong structure, anti-corrosion, durable in use. 2Designed to automatize the starting and stopping operation of water pump, and maintain the pressure and flow. 3The maximum working pressure can be up to 80psi. 4Simple control to maintain constant pressure during operation. 5In order to avoid the pump on/off & pressure high/low problems.