Johnson Controls P70CA-3 Pressure Control
$116.00
The Johnson Controls P70CA-3 is a high-pressure control for cut-out, head-pressure, and condenser fan cycling duty on commercial refrigeration and air conditioning systems. Its SPST open-high switch action opens on rising pressure, protecting compressors when discharge pressure climbs beyond safe limits.
3 in stock
Description
- Steel Construction: Provides rugged protection for internal components.
- Open-High Action: Delivers SPST switching on rising pressure.
- Wide Pressure Range: Covers 50 to 500 psig settings.
- Adjustable Differential: Spans 60 to 150 psig.
- Capillary Connection: Features a 36″ line with a flare fitting.
Technical Specifications
| Manufacturer | Johnson Controls |
|---|---|
| Part Number | P70CA-3 |
| Type | Pressure Switch |
| Series | P70 |
| Switch Action | SPST open-high |
| Pressure Range | 50 to 500 psig (345 to 3448 kPa) |
| Differential | Min: 60 psig (414 kPa) Max: 150 psig (1034 kPa) |
| Pressure Connection | 36" capillary, 1/4" flare nut |
| Case/Cover Material | All-steel |
| Enclosure | NEMA 1 |
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Description
The Johnson Controls P70CA-3 is a high-pressure control built for refrigeration and air conditioning systems. It handles high-pressure cut-out, head-pressure control, and condenser fan cycling, protecting compressors and maintaining stable operation across commercial equipment where rising discharge pressure must be monitored and acted on reliably.
It switches through an SPST open-high contact that opens on rising pressure, with an operating range of 50 to 500 psig and an adjustable differential between 60 and 150 psig. An all-steel case and cover shield internal components, while a 36" capillary and 1/4" flare nut simplify field connection.
Frequently Asked Questions
What applications is the P70CA-3 used for?
It serves high pressure cut-out, head-pressure control, and condenser fan cycling on commercial refrigeration and air conditioning systems.
What is the pressure range and differential?
It covers 50 to 500 psig (345 to 3448 kPa), with an adjustable differential ranging from 60 to 150 psig.
How does the P70CA-3 connect to the system?
It uses a 36" capillary line terminated with a 1/4" flare nut for field connection to the pressure source.
