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Your cart is empty.The OPLC-A-300 is a surface mounting 4.5" (114 mm) Pressure Swichgage, with a range of 0-300 psi (0-2.07 MPa) [0-20 bar]. This instrument is a combination pressure indicating gage with an adjustable low and high limit switch. The limit switch can be wired directly to electric pilot circuits to operate alarms and/or shutdown engines and electric motors. The limit switch is accessible from the front of the gage and the contacts have a self-cleaning motion to enhance electrical continuity. Inside the OPLC-A-300, pointer closure against either of the adjustable contacts completes the pilot-duty circuit. An SPST toggle switch is provided to override the low limit contact for equipment start-up. This model does not latch. Suitable for engines or electric motors with appropriate Murphy magnetic switch or transformer relay assemblies. The OPLC-A-300 has a weatherproof die cast aluminum case, a clear polycarbonate lens, a 1/4 NPT process connection, a grade A phosphor bronze bourdon tube (brass tip/silver brazed) and a brass socket.
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