Siemens Building Technology QFM2171 326058-756 Common Questions: What is the

Common Questions: What is the difference between an auto-reset and manual-reset limit switch

20 and UL 372 standards

Precise Monitoring: Built-in 2-10Vdc feedback and two SPDT auxiliary switches provide superior system status oversight

Ensure you verify the mounting hole alignment against your specific model’s serial plate to confirm a 1:1 match before securing the new hardware

Can this module replace the older Kriwan INT69TM protectors

Siemens Building Technology QFM2171 326058-756 Common Questions: What is theThe Siemens Building Technology QFM2171 is a high performance duct relative humidity and temperature sensor designed for integration into commercial HVAC systems. This Q Series duct sensor utilizes a 4 20mA output signal for both RH and temperature, providing stable and precise data transmission even over long wire runs. Engineered for 5% accuracy, the QFM2171 is ideal for BAS (Building Automation Systems) that require reliable monitoring of supply,