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Penn Pressure Switch P28AA-42C

Product code: 2705661


Provides dependable protection against major breakdowns on pressure lubricated refrigeration compressors by guarding against low lube oil pressure. A built-in time delay switch, compensated for ambient temperature, allows for pressure pick up on start and avoids nuisance shut downs on pressure drops of short duration during the running cycle. The time delay assembly (timer and terminal board) may be easily removed and replaced in the field. Time delay switch is a trip-free expansion rod device actuated by a resistance heater.