Murphy 0-600 PSI Pressure Swichgage OPLBP-S-600

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Murphy 0-600 PSI Surface Mount Pressure Swichgage 120 VAC w/ Latching Control Relay OPLBP-S-600

Product Condition: NEW
Murphy Surface Mount Pressure Swichgage 0-600 PSI 120 VAC with 316 Stainless Steel Bourdon Tube OPLBP-S-600
Estimated ship date: for orders by 3pm PT/6pm ET today Available for back order.

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The Murphy 0-600 PSI Surface Mount Pressure Swichgage 120 VAC with Latching Control Relay OPLBP-S-600 is a combination pressure indicating gage with adjustable low and high limit switch. This limit switch can be wired directly to electric pilot circuits to operate alarms, shutdown or start/stop of engines and electric motors. The OPLBP-S-600 features a 4-1/2 in. (114 mm) dial for easy viewing. Adjustable limit switch is accessible from the front of the gage and the contacts have a self-cleaning motion to enhance electrical continuity.

The OPLBP is a specialized version of the OPL series designed for start-stop operation of engines and electric motors. The pilot-duty limit switches are connected to an internal latching control relay for ON/OFF automation.



  • 4-1/2 in. (114 mm) Dial
  • Surface Mount Version
  • Latching Relay for Start-Stop Operations
  • Combination Indicating Gage and Critical Pressure Limit Switches
  • High and Low Pressure Limit Contacts Are Visible and Adjustable
  • Class I, Division 1, Groups C & D hazardous applications



  • Part No.: OPLBP-S-600
  • Range: 0-600 PSI (0-4.14 MPa) [0-40 bar]
  • Case: Die cast aluminum; weatherproof
  • Contact Rating: SPDT dry relay contacts; 10 A, 125 VAC
  • Dial: 4-1/2 in. (114 mm) white on black, dual scaled psi /kPa
  • Gage Accuracy: ±2% for the first and last quarters of the scale, the middle half is ±1%
  • Geared Movement: 302 and 304 stainless steel
  • Lens: Optically clear polycarbonate
  • Pointer: High visibility with a pointer calibration hub
  • Sensing Element: 316 stainless steel bourdon tube
  • Relay Voltage: 120 VAC
  • Process Connection: 1/4 NPT
  • Tube Type: Drawn C-Tube
  • Range Selection Limits (psi-mpa-bar): Thru 1,000 psi (6.89 MPa) [68.9 bar]
  • Bourdon Tube and Tip Material (all joints TIG welded except “A”): 316 Stainless Steel
  • Socket Material: 316 Stainless Steel
  • Shipping Weight: 5 lbs 11 oz (2.6 kg)
  • Shipping Dimensions: 9-1/4 x 8-1/4 x 5-1/2 in. (235 x 210 x 140 mm)

Additional Information

Product Condition NEW
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