Description
The Johnson Controls P100CP-85 is a direct-mount encapsulated pressure control engineered for reliable high-side pressure protection in commercial and industrial refrigeration and HVAC systems. Featuring open construction with a single-pole, single-throw (SPST) switching action, this control opens on a pressure rise to protect equipment from dangerous over-pressure conditions and automatically resets once pressure returns to the close setpoint.
Key Features
- Encapsulated design for durability and protection in demanding environments
- Direct-mount configuration for straightforward installation on refrigerant lines or vessels
- SPST switching action — opens on pressure rise for high-pressure cutout protection
- Automatic reset — resumes normal operation when pressure drops to close setpoint
- Open construction for easy field inspection and serviceability
- Wide voltage compatibility: 120/240 Vac contact ratings
Electrical & Pressure Specifications
- Contact Configuration: SPST (Single-Pole, Single-Throw)
- Switching Action: Open on Pressure Rise
- Contact Voltage Rating: 120/240 Vac
- Open (Cut-Out) Setpoint: 665 PSIG
- Close (Cut-In) Setpoint: 565 PSIG
- Differential: 100 PSIG
- Reset Type: Automatic
Construction & Mounting
- Encapsulated pressure sensing element for long service life
- Direct-mount design eliminates the need for remote sensing tubes
- Open construction housing for easy access and inspection
Typical Applications
- High-pressure cutout protection in refrigeration systems
- Commercial HVAC compressor protection
- Industrial process pressure control and safety switching
- High-side refrigerant circuit monitoring
The P100CP-85 is a dependable solution from Johnson Controls for applications requiring precise, automatic pressure-based switching. Its robust encapsulated construction and direct-mount design make it a go-to choice for HVAC and refrigeration professionals seeking reliable over-pressure protection.







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