Description
The Johnson Controls P100AC-1 is an encapsulated, direct-mount pressure control engineered for reliable system protection in commercial and residential HVAC applications. Featuring open construction for easy inspection and service, this control monitors system pressure and automatically resets once safe operating conditions are restored — eliminating the need for manual intervention.
Key Features
- Encapsulated design protects internal components from moisture and contaminants
- Direct-mount configuration for straightforward installation on refrigerant or fluid lines
- SPST (Single-Pole, Single-Throw) switching action — Open Low configuration
- Opens at 5 PSIG to protect equipment from low-pressure conditions
- Closes at 20 PSIG to restore circuit once safe pressure is reached
- Automatic reset — no manual reset required after a pressure event
- Open construction for easy field inspection and serviceability
- Includes conduit clamp for secure wiring management
Electrical Specifications
- Contact Voltage Rating: 120/240 Vac
- Switch Type: SPST
- Switch Action: Open Low (opens on pressure drop)
Pressure Specifications
- Cut-Out (Open) Set Point: 5 PSIG
- Cut-In (Close) Set Point: 20 PSIG
Additional Details
- Reset Type: Automatic
- Mounting Style: Direct Mount
- Includes: Conduit Clamp
- Brand: Johnson Controls
- SKU: P100AC-1
The P100AC-1 is ideal for use as a low-pressure safety cutout in refrigeration and HVAC systems, safeguarding compressors and other critical components from damage caused by loss of refrigerant charge or other low-pressure fault conditions. The included conduit clamp simplifies field wiring and helps maintain a clean, code-compliant installation.
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