Description
The Johnson Controls P100DA-35 is a rugged, encapsulated pressure control engineered for reliable high-side refrigerant circuit protection in commercial HVAC and refrigeration systems. Featuring a direct-mount design, this SPST (Single-Pole, Single-Throw) control opens on a pressure rise, serving as a critical safety device that protects compressors and system components from dangerous over-pressure conditions.
Key Features
- Encapsulated construction for enhanced durability and resistance to environmental contaminants
- Direct-mount design for simplified, compact installation directly on the refrigerant circuit
- SPST switching action — opens on pressure rise for reliable high-pressure cutout protection
- Open construction allows for easy field inspection and serviceability
- Lockout manual reset on close — requires manual intervention after a trip event, preventing automatic restart and ensuring technician review before system resumption
Electrical & Pressure Specifications
- Contact Configuration: SPST (Single-Pole, Single-Throw)
- Contact Action: Open on pressure rise
- Contact Voltage Rating: 120/240 Vac
- Cutout Set Point: Opens at 350 PSIG
- Reset Type: Lockout manual reset on close
Applications
- High-pressure cutout protection for commercial refrigeration compressors
- Safety control for air conditioning and heat pump systems
- Over-pressure protection in refrigerant circuits requiring manual reset lockout
- Compatible with systems operating at 120 Vac or 240 Vac control circuits
Why Choose the Johnson Controls P100DA-35?
The P100DA-35 delivers the dependable over-pressure protection that HVAC and refrigeration professionals demand. The lockout manual reset feature ensures that after a high-pressure trip event, the system cannot automatically restart — a critical safety measure that requires a qualified technician to diagnose the root cause before returning the system to operation. The encapsulated housing protects internal components from moisture, dust, and vibration, extending service life in demanding commercial environments.
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