The Telemecanique Water Pump Switch, model FSG2J20M4CP, is designed for controlling a water pump within a pressure range of 20-40 PSI. As a switch designed for water pump applications, this product ensures efficient operation by automatically controlling the pump based on the pressure levels. With the Telemecanique brand known for its quality and reliability in electrical equipment, this switch is a reliable choice for maintaining the optimal pressure levels in water pump systems.