Murphy 0-100 PSI Surface Mount Mechanical Pressure Swichgage 4.5 in. Bourdon Tube and Tip Material (all joints TIG welded except “A”): Grade A Phosphor Bronze Tube (Brass Tip, Silver Brazed).Range Selection Limits (psi-mpa-bar): Thru 1,000 psi (6.89 MPa).Pointer: High visibility with a pointer calibration hub.
Geared Movement: 302 and 304 stainless steel.Gage Accuracy: ☒% for the first and last quarters of the scale, the middle half is ☑%.This limit switch can be wired directly to electric pilot circuits to operate alarms, shutdown or start/stop of engines and electric motors. (114 mm) white on black, dual scaled psi /kPa The Murphy 0-100 PSI Surface Mount Pressure Swichgage with Low Limit Lockout Switch OPLC-A-100 is a combination pressure indicating gage with adjustable low and high limit switch. Contact Rating: 1 SPDT Center off 2 A, 30 VDC, 1 A, 125 VAC pilot duty.Class I, Division 1, Groups C & D hazardous applications.High and Low Pressure Limit Contacts Are Visible and Adjustable.Combination Indicating Gage and Critical Pressure Limit Switches.Suitable for engines or electric motors with appropriate Murphy magnetic switch or transformer relay assembly. Pointer closure against either of the adjustable contacts completes the pilot-duty circuit.Īn SPST toggle switch is provided to override the low limit contact for equipment startup. Adjustable high and low limit, ungrounded contacts are used to operate alarm, shutdown or start-stop circuits.
The OPLC is a surface mount, indicating, pressure gage and switch. Adjustable limit switch is accessible from the front of the gage and the contacts have a self-cleaning motion to enhance electrical continuity. The Murphy 0-100 PSI Surface Mount Pressure Swichgage with Low Limit Lockout Switch OPLC-A-100 is a combination pressure indicating gage with adjustable low and high limit switch.
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