Johnson P28 Lube Oil Controls

The P28 and P128 Series Lube Oil Controls provide dependable and economical oil pressure cut-out for pressure-lubricated refrigeration compressors. The P28 and P128 controls operate by measuring the net lube oil pressure and de-energizing the compressor if the pressure falls below the differential setpoint.

Features and benefits:

• Built-in Time Delay Relay with Ambient Compensation
• Minimizes timing fluctuations due to temperature variations
• Trip-free Manual Reset Provides manual reset that cannot be overridden by pressing and holding the reset button
• Replaceable Time Delay
• Relay Assembly
• Allows easy field replacement of the time delay relay and terminal board
• Available with Runlight and
• Alarm Terminals
• Allows the control to be wired for normal oil pressure runlight signals and shutdown alarm
• circuits for remote monitoring of oil pressure status

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All electrical components must be installed by a qualified electrician, and all technical products should be installed by a professional technician.

PCB returns will not be accepted once theseal is broken.

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