The Johnson Controls P100AA-2 is a reliable encapsulated pressure control designed for direct-mount installation in HVAC and refrigeration systems. Featuring an open construction design and single-pole single-throw (SPST) switching action, this control provides dependable low-pressure circuit protection with automatic reset capability — eliminating the need for manual intervention after a pressure event.
Key Features
- Encapsulated design protects internal components from moisture and contaminants
- Direct-mount configuration for straightforward, compact installation
- SPST (Single-Pole Single-Throw) switching action — Open Low
- Open construction for easy field inspection and serviceability
- Automatic reset restores normal operation once pressure recovers
- Opens at 35 PSIG to protect against low-pressure conditions
- Closes at 60 PSIG to resume normal circuit operation
- 120/240 Vac contact ratings for broad electrical compatibility
Specifications
- Brand: Johnson Controls
- SKU / Model: P100AA-2
- Control Type: Encapsulated Pressure Control
- Mounting: Direct Mount
- Switch Type: SPST (Single-Pole Single-Throw)
- Action: Open Low
- Construction: Open
- Contact Voltage Rating: 120/240 Vac
- Cut-Out (Open) Pressure: 35 PSIG
- Cut-In (Close) Pressure: 60 PSIG
- Reset Type: Automatic
Applications
- Low-pressure protection in refrigeration and air conditioning systems
- Compressor circuit control and safety shutoff
- Commercial and light industrial HVAC equipment
- Systems requiring automatic restart after pressure recovery
