The Barber Colman PC-301 is a differential pressure switch designed for monitoring air or fluid pressure differences in HVAC and control systems. Its precise switching capabilities make it ideal for applications such as filter monitoring, duct pressure sensing, and general pneumatic control. Built to Barber Colman standards and widely used in commercial systems, the PC-301 is a proven, reliable solution for pressure-based actuation.
Technical Specifications
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Model: PC-301
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Type: Differential Pressure Switch
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Pressure Range: Adjustable (specific range dependent on system)
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Contact Type: SPDT (Single Pole Double Throw)
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Maximum Operating Pressure: Typically up to 30 psi
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Housing: Metal construction with pressure ports
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Manufacturer: Barber Colman
Key Features
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Detects pressure differences between two sources
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SPDT switch allows for flexible wiring and control options
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Ideal for use in pneumatic and HVAC systems
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Adjustable pressure setpoint
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Durable construction for long-term reliability
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Suitable for air and compatible gas applications
Compatible Components & Accessories
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Pneumatic control panels
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Air filter monitoring systems
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Tubing kits for pressure input
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Control relays and interface modules
Industry Applications
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HVAC systems
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Clean room and filter monitoring
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Duct pressure control
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Air handling unit performance monitoring
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Commercial and industrial building automation
Installation & Maintenance Notes
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Mount securely with clear access to differential pressure sources
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Connect pressure tubing according to labeled input ports
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Adjust switch setpoint using onboard dial or screw
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Test actuation at set pressure to confirm functionality
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Check for leaks or tubing obstructions during routine maintenance
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.