• Murphy
EMEA REGION ONLY

76.PS Pressure Switch

A compact and economical pressure switch for extended duty applications. The 76.PS is primarily designed for direct engine mounting, to provide electrical signalling of a low oil pressure fault.

The isolated switch contacts are factory set to close below 15 psi (1 bar), but may be adjusted between 14 and 24 psi (1.0 and 1.6 bar). The polyimide diaphragm is compatible with air, engine oil and other hydrocarbon media. (Contact with waterbased fluids is not recommended.)

Specifications Downloads How to Order
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Specifications Drawer: 
  • Pressure ratings
    • Factory setting: 15 psi / 1 bar
    • Set point adjustment range: 14–24 (±3) psi / 1.0–1.6 (±0.2) bar
    • Max. operating pressure: 150 psi / 10 bar
    • Proof pressure: 500 psi / 34 bar
    • Burst pressure: 750 psi / 51 bar
  • Contacts
    • Type: optional SPNC or SPDT direct action contacts (NC contact closes on low pressure), silver alloy, gold plated
    • Ratings (resistive DC): 15A @ 6V DC, 8A @ 12V DC, 4A @ 24V DC
    • Ratings (inductive AC): 1A @ 120V AC, 0.5A @ 240V AC
  • Physical
    • Base: plated steel
    • Cover: glass reinforced polyester
    • Diaphragm: Kapton® polyimide film Pressure connection: 1/8” - 27 NPT male thread Electrical terminals: #8-32 screws
    • Operating temperature: –40 to +121°C / –40 to 250°F
    • Dimensions: see sales bulletin
    • Weight: approx 65g

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information about California Propsition 65, go to www.P65Warnings.ca.gov or visit our California Proposition 65 page.

Literature Drawer: 

Additional product documentation can be found on our product support website or by clicking the Help Center button above.

Part NumberModelDescription
Contact EMEA Sales76.PS.00151/8” NPT, 15 psi setting, SPNC contacts
Contact EMEA Sales76.PS.00011/8” NPT, 15 psi setting, SPDT contacts
Contact EMEA Sales76.PS.0001-xxxSpecial setting versions of above, where xxx = required set point pressure

Special variations on pressure range and contacts are available for volume orders. Please contact our EMEA sales office for details.