Viair 90111 Pressure Switch with Relay
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Viair 90111 Pressure Switch with Relay
- Pressure Switch with 40 amp Relay.
- For 12 volt systems.
- Pressure range 110 PSI On and 150 PSI Off.
- Pressure sensor connects via 1/8″ NPT M Port.
- Please consult manufacturer’s website for wiring diagram.
Compressors should never be operated over their rated working pressure and should always be used with a relay to extend the life of the pressure switch that allows them to have this functionality. The VIAIR pressure switch with relay is rated to power on a compressor at 110 PSI and shut off power at 150 PSI safely using its built-in relay. Rather than dealing with multiple wires from multiple items, the pressure switch with relay is equipped with only four labeled wires with specific connections.