PENN Controls Products Catalog

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P45 Series Lube Oil Pressure Cutout Control with Time Delay Description The P45 Control provides dependable, low lube oil pressure protection for refrigeration compressors. The low-adjustable factory-set pressure setting provides operation to the compressor manufacturer's specification. A built- in time delay relay, compensated for ambient temperature, allows for pressure pick-up on start and avoids nuisance shutdowns on short duration pressure losses during the running cycle. Refer to the P45 Series Oil Pressure Cutout Controls with Built-in Time Delay Relay Product Bulletin (LIT-125445) for important product application information. Features • universal mounting • trip-free manual reset • ambient compensated time delay Accessories These controls are supplied without mounting brackets. If brackets are required, order kit number BKT38A-600R, which contains five 271-51 Angle Mounting Brackets with screws. Applications The P45 control is used on semi-hermetic compressors. It measures net oil pressure available to circulate oil through the compressor's lubrication system. (Net oil pressure is the difference between oil pump pressure and the crank case pressure.) 169

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