Johnson Controls P170LB-1C Dual Pressure Control Switch, SPST, HVAC System, Air Compressor, Refrigeration Unit - Ideal for Commercial & Industrial Applications
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Description
The P70, P72, and P170 Controls for Dual Pressure Applications are designed primarily for use as combination high and low pressure controls on commercial refrigeration and air conditioning applications. These controls are available in several pressure ranges and are compatible with most common refrigerants. Ammonia compatible models are also available. These controls respond directly to system pressure changes on both high and low sides, and can provide single-device control of the compressor. Controls are available in several different electrical ratings and switch configurations, including independent high and low pressure switches (on P70S and P170S models). The P72 models provide direct control of 208 to 240 volt, single-phase motors up to three horsepower, and 208 to 220 volt, three-phase motors up to five horsepower.
Features
All-steel case and cover built to provide long lasting, rugged protection for internal components
Sight-set calibrated pressure adjustment displays a visible pressure scale, fully adjustable through the range without removing the cover (on NEMA 1 enclosure models)
MICRO-SET differential option allows for precise control on low pressure applications
Independent high and low pressure switches (P70S and P170S Models) satisfies a variety of dual pressure application wiring requirements with a single versatile control
Convertible high pressure reset–auto reset or manual reset lockout (P70S and P170S Models) reduces inventory—one control can be adapted to several dual pressure applications in the field
