Overview
The Johnson Controls P100DA-2C is a compact, economical, direct-mount encapsulated pressure switch designed for precise On/Off pressure control in refrigeration and air conditioning systems. This standard-duty, non-adjustable control features a single-pole, single-throw (SPST) open-high configuration with a high-pressure manual reset lockout mechanism, ensuring system safety by preventing operation until the manual reset button is pressed after a high-pressure trip.
Features
- Compact size and lightweight construction allow for direct mounting to piping, reducing space and installation costs
- Trip-free manual reset mechanism ensures contacts cannot be overridden by continuously holding down the reset button
- Factory-calibrated, tamper-proof setpoints provide highly accurate and repeatable pressure control
- Dust-tight encapsulated switch housing protects internal electrical contacts from harsh ambient conditions
Specifications
- Brand: Johnson Controls
- Switch Type: SPST (Opens on High Pressure)
- Open Pressure: 475 PSIG
- Reset Action: Manual Reset Lockout
- Burst Pressure: 3,500 PSI
- Voltage: 120/240 VAC at 50/60 Hz
- Full Load Amps: 5.8 A @ 120 VAC, 2.9 A @ 240 VAC
- Locked Rotor Amps: 34.8 A @ 120 VAC, 15.0 A @ 240 VAC
- Pilot Duty: 375 VA
Applications
- High-pressure safety cut-out and lockout control in commercial refrigeration systems
- Pressure monitoring for ice machines and food service equipment
- Direct or pilot duty control of motors in air conditioning application loads compatible with all common non-corrosive refrigerants



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