Description
Siemens 69WR3 Reverse Acting Pressure Switch Overview
The Siemens 69WR3 is a reverse acting pneumatic pressure switch engineered for precision control in commercial HVAC and building automation systems. Designed to open on pressure rise, this switch is ideal for applications requiring reliable differential pressure monitoring and control across a broad operating range.
Key Features
- Reverse acting (REV ACT) operation — opens on pressure rise for fail-safe pneumatic control
- Set point: 10 lb / 5 lb pressure settings
- Differential range: 6–15 lb, providing flexible and adjustable switching bandwidth
- Designed for pneumatic HVAC control systems and building automation applications
- Durable construction suited for demanding commercial environments
- Siemens quality engineering for long-term reliability and consistent performance
Application
The 69WR3 is commonly used in pneumatic control circuits where a reverse acting pressure switch is required to monitor system pressure and trigger downstream control actions. Its adjustable differential makes it versatile for air handling, boiler, and hydronic system pressure monitoring.
Specifications
- SKU: 69WR3
- Brand: Siemens
- Action Type: Reverse Acting (REV ACT)
- Pressure Set Point: 10 lb / 5 lb
- Differential Range: 6–15 lb
- Application: Pneumatic HVAC & Building Automation Control
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