Description
Johnson Controls P170CA-3 High Pressure Control Overview
The Johnson Controls P170CA-3 is a single-pole, single-throw (SPST) high pressure control designed for use in refrigeration and air conditioning systems that utilize non-corrosive refrigerants. With an Open-on-Rise (Open-High) switching action, this control automatically opens the circuit when system pressure exceeds the set point, providing reliable high-side pressure protection for your equipment.
Key Features
- SPST switching action — Opens on rising pressure (Open-High) for automatic high-pressure cutout protection
- Wide pressure sensing range of 50 PSI to 450 PSI to accommodate a broad variety of system requirements
- 1/4″ external flare connector for straightforward field installation and compatibility with standard refrigerant line fittings
- Suitable for all range controls used with non-corrosive refrigerants
- Electrical ratings of 120/208/240 VAC for versatile compatibility with common single-phase HVAC and refrigeration control circuits
Specifications
- SKU: P170CA-3
- Brand: Johnson Controls
- Switch Type: SPST (Single-Pole, Single-Throw)
- Action: Open on High (Open-Rise)
- Pressure Range: 50 PSI to 450 PSI
- Connection: 1/4″ External Flare
- Refrigerant Compatibility: Non-Corrosive Refrigerants
- Electrical Rating: 120/208/240 VAC
Applications
The P170CA-3 is ideal for commercial and residential refrigeration systems, air conditioning equipment, and other HVAC applications where high-side pressure monitoring and cutout protection is required. Its broad pressure range and standard flare connection make it a versatile solution for service and replacement applications.







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