Description
The Johnson Controls P170AA-400 is a high pressure cutout control engineered for reliable refrigeration and HVAC system protection. Featuring a single-pole, single-throw (SPST) open-on-rise-of-pressure switching action, this control automatically interrupts the circuit when system pressure exceeds the set point, safeguarding compressors and refrigeration equipment from damaging high-pressure conditions.
Key Features
- SPST switching action — opens on low (rise of pressure) for high-pressure cutout protection
- Wide pressure sensing range of 100 to 470 PSIG to accommodate a variety of refrigerant applications
- Adjustable differential: minimum 35 PSI, maximum 200 PSI
- 1/4″ male flare nut pressure connection for easy, leak-free installation
- Compatible with 120/208/240 VAC electrical systems
- Designed for use as a high-pressure cutout in refrigeration and air conditioning systems
Specifications
- Model: P170AA-400
- Brand: Johnson Controls
- Switch Type: SPST (Single-Pole, Single-Throw)
- Action: Open on Rise of Pressure (Open – Low)
- Pressure Range: 100–470 PSIG
- Minimum Differential: 35 PSI
- Maximum Differential: 200 PSI
- Pressure Connection: 1/4″ Male Flare Nut
- Electrical Rating: 120/208/240 VAC
- Application: High-Pressure Cutout Control for Refrigeration and HVAC Systems
Application
The P170AA-400 is ideal for use in commercial refrigeration systems, air conditioning equipment, and other HVAC applications requiring dependable high-pressure protection. Its broad pressure range and adjustable differential make it a versatile solution for protecting compressors operating on a wide range of refrigerants. The 1/4″ male flare connection ensures compatibility with standard refrigeration tubing, and the multi-voltage electrical rating simplifies integration into existing control circuits.
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