Square D 40/60 psi Pressure Switch 9013FSG2J24

This switch starts and stops the pump motor automatically at a predetermined pressure. A tube connects the switch to some point in the system on the discharge side of the pump. The pressure in the system then acts directly on a diaphragm in the switch, which then actuates the contacts in the switch. Standard: 40 cut-in, 60 cut-out Maximum: 80 cut-in, 90 cut-out.