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PENN Controls Products Catalog

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P70A and P170A models Are available with SPST Open Low switch action, and typically are used for condenser fan cycling control. P70 and P170 models With single-pole, double-throw (SPDT), or four-wire, two-circuit switch action allow users to install alarm devices or other control circuits. P72 models Have a double-pole, single-throw (DPST) switch with load-carrying contacts that can provide direct control of 208-240 V single-phase motors up to 3 horsepower, and 208-220 V3-phase motors up to 5 horsepower. See the DPST Electrical Ratings (P72A, B, C, and D Models) that follow. Selection chart Table 164: P70, P72, and P170 Series Controls for high pressure applications selection chart Product code number Switch action Range psi (kPa) Differential psi (kPa) Pressure connection Max. working pressure Condenser fan cycling controls (for non-corrosive refrigerants) P70AA-118C SPST open low P72AA-27C DPST open low 36 in. capillary with 1/4 in. flare nut P170AA-118C SPST open low 100 to 400 (690 to 2,758) Minimum 35 (241) Maximum 200 (1,379) 1/4 in. external flare connector 475 psig (3,275 kPa) All range controls (for non-corrosive refrigerants) P70CA-2C 1 1/4 in. external flare connector P70CA-3C 1 Minimum 60 (414) Maximum 150 (1,034) P70DA-1C 1 SPST open high P70KA-1C Four-wire, two-circuit Line-M1 close high Line-M2 open high Manual reset lockout P72CA-2C 1 Minimum 60 (414) Maximum 150 (1,034) P72DA-1C 1 DPST open-high Manual reset lockout 36 in. capillary with 1/4 in. flare nut P170CA-3C 1 Minimum 60 (414) Maximum 150 (1,034) P170DA-1C SPST open high P170KA-1C Four-wire, two-circuit Line-M1 close high Line-M2 open high 50 to 500 (345 to 3,448) Manual reset lockout 1/4 in. external flare connector 525 psig (3,620 kPa) Models for high pressure non-corrosive refrigerants 2 142 Refrigeration Products Catalog

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