The Johnson Controls P100CA-2 is a rugged, encapsulated pressure control designed for direct-mount installation in commercial and industrial HVAC and refrigeration applications. Built with an open construction design, this control provides reliable, repeatable pressure-activated switching to protect equipment and maintain safe system operation.
How It Works
The P100CA-2 operates on a pressure-rise principle — the SPST (Single-Pole, Single-Throw) contact opens when system pressure reaches the set point and automatically resets (closes) once pressure drops back to the close set point. This automatic reset functionality eliminates the need for manual intervention after a pressure event, reducing downtime and service calls.
Key Specifications
- SKU / Model: P100CA-2
- Switch Type: SPST (Single-Pole, Single-Throw)
- Action: Open on Pressure Rise
- Open (Cut-Out) Set Point: 425 PSIG
- Close (Cut-In) Set Point: 325 PSIG
- Contact Voltage Rating: 120/240 Vac
- Mounting Style: Direct Mount
- Construction: Open Construction, Encapsulated
- Reset Type: Automatic Reset
Features & Benefits
- Encapsulated design protects internal components from moisture, dust, and contaminants
- Direct-mount configuration simplifies installation and reduces additional hardware requirements
- Automatic reset minimizes service interruptions and manual reset labor
- Open on pressure rise action provides high-side pressure protection for refrigeration and HVAC systems
- Dual voltage contact rating (120/240 Vac) offers broad compatibility with common system voltages
- Wide differential (100 PSIG) between open and close set points ensures stable, chatter-free switching
- Trusted Johnson Controls engineering for consistent, long-term performance
Typical Applications
- High-pressure cut-out protection in refrigeration systems
- Compressor protection in commercial HVAC equipment
- Pressure safety switching in air conditioning and heat pump systems
- Industrial process pressure monitoring and control
