The P70, P72, and P170 controls for high pressure
applications are designed primarily for high pressure
cut-out control, head-pressure control, and condenser
fan cycling control on commercial refrigeration and air
conditioning applications. Some models are
UL (Underwriters Laboratories) Listed as
refrigeration pressure limiting controls.
Controls are available in several pressure ranges and
are compatible with most common refrigerants.
They may also be used on other non-corrosive fluid
applications. Ammonia compatible models are also
available.
Several different electrical ratings and switch
configurations are available. The P72 models provide
direct control of 208-240 volt single-phase motors up
to 3 hp, and 208-220 volt 3-phase motors up to 5 hp.
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