Description
The Siemens Building Technology 141-0574 is a precision air flow switch engineered for dependable airflow detection and proof-of-flow verification in commercial and industrial HVAC air handling systems. With an adjustable differential pressure sensing range of 0.05 to 1.0 in. w.c. (inches water column), this switch provides the flexibility needed to accommodate a wide variety of duct sizes, fan systems, and airflow conditions.
Designed for straightforward duct installation, the 141-0574 monitors air movement and triggers a switching action when airflow rises above or falls below the set point — making it ideal for fan proving, filter monitoring, damper verification, and system protection applications. Its robust construction and reliable switching action make it a trusted choice for building automation and HVAC control professionals.
Key Features
- Adjustable sensing range: 0.05 to 1.0 in. w.c. (inches water column)
- Designed for proof-of-flow and fan proving applications
- Suitable for commercial and industrial air handling systems
- Compact, duct-mount design for easy field installation
- Reliable switching action for building automation integration
- Compatible with a wide range of HVAC control systems
Typical Applications
- Fan proving and air handler verification
- Filter status and differential pressure monitoring
- Damper position confirmation
- Building automation and energy management systems
- Commercial HVAC duct systems
Product Specifications
- Brand: Siemens Building Technology
- Model / SKU: 141-0574
- Sensing Range: 0.05 – 1.0 in. w.c.
- Switch Type: Air Flow / Differential Pressure Switch
- Mounting: Duct-mount
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