Kleinn Tank mount pressure switch 1/4In M NPT - 90 PSI on/ 120 PSI off

The use of a relay is recommended; Note: 5% tolerance standard; 20 amp max load; Off: 120 PSI; On: 90 PSI

Pressure Switch - 90 PSI on, 120 PSI off.

90/120 PSI Pressure Switch. Heavy duty tank-mount pressure switch with 12 gauge lead wires that determines the on and off pressure of your air compressor. The pressure switch is wired by relay to the compressor and turns the air compressor on and off automatically.