Controls electrically driven water pumps Cut-In Pressure 60 PSI - Cut-Off Pressure 80 PSI - Adjustable Extra large silver contacts for longer service life Horsepower Rating (1-Phase) 2HP-230 volt (can be used on 115 volt) Individually Boxed - OEM Replacement Part CALIFORNIA PROP 65 WARNING: Product may expose you to chemicals known to the State of California to cause cancer and reproductive harm. See P65Warnings.ca.gov for details The MPSHD Heavy Duty Pressure Switch is a rugged, 230-volt, 2 HP water pump pressure switch designed to control jet pumps and submersible well pumps in residential, farm, and light commercial water systems. Built for long life and reliable performance, it features heavy brass terminal lugs, extra-large silver contacts, and a standard 1/4" FNPT connection, making it ideal for well pressure tank systems that see frequent cycling and high electrical loads.