Description
The Schneider Electric (Barber Colman) PC-301 is a reliable two-position differential pressure switch engineered for precise pressure monitoring and control in commercial HVAC and building automation applications. With a wide adjustable setpoint range and durable NEMA 1 enclosure, this switch delivers dependable performance across a broad range of system configurations.
Key Features
- Two-position switching action for straightforward ON/OFF pressure control
- Adjustable differential pressure setpoint range of 0.07″ to 1″ W.C. (water column)
- Wide operating temperature range of 35°F to 140°F for versatile installation environments
- NEMA 1 enclosure rating suitable for general-purpose indoor applications
- Vertical mounting orientation for flexible installation
- Designed as a direct replacement for legacy Barber Colman PC-301 units
Specifications
- Brand: Schneider Electric (Barber Colman)
- Model / SKU: PC-301
- Switch Type: Two Position (Differential Pressure)
- Setpoint Range: 0.07″ to 1″ W.C.
- Operating Temperature: 35°F to 140°F
- Enclosure Rating: NEMA 1
- Mounting: Vertical
Application
The PC-301 is ideal for monitoring air pressure differentials across filters, fans, dampers, and air handling units in commercial HVAC systems. Its two-position output makes it well-suited for use in building automation and control systems where a simple open/close signal is required to indicate a pressure condition has been met or exceeded.







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