Description
Johnson Controls P32AC-1 Sensitive Differential Pressure Switch
The Johnson Controls P32AC-1 is a sensitive differential pressure switch engineered for precise pressure monitoring in HVAC and building automation applications. Featuring a single-pole, double-throw (SPDT) switching action, this control responds accurately to small pressure differentials, making it ideal for fan proving, filter monitoring, airflow verification, and duct pressure control.
Key Features
- SPDT (Single-Pole, Double-Throw) switching action for versatile control wiring configurations
- Wide adjustable pressure range: 0.15″ W.C. to 12″ W.C.
- Calibrated scale plate for easy, accurate setpoint adjustment in the field
- Includes L-bracket for convenient panel or duct mounting
- NEMA 1 enclosure rating for indoor installations
- Rated for 1/2 horsepower motor loads
- Compatible with 120/240 VAC power supplies
- Sensitive diaphragm design for reliable detection of low differential pressures
Specifications
- Model: P32AC-1
- Brand: Johnson Controls
- Switch Type: SPDT
- Pressure Range: 0.15″ W.C. to 12″ W.C. (adjustable)
- Voltage: 120/240 VAC
- Horsepower Rating: 1/2 HP
- Enclosure: NEMA 1
- Mounting: L-Bracket included
- Setpoint Indicator: Calibrated scale plate
Applications
- Air handler and AHU fan proving
- Filter status and clog detection
- Duct static pressure monitoring
- Building automation and HVAC control systems
- Exhaust fan and ventilation airflow verification
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