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48MA400453
Fail-Safe Design: Integrated spring return mechanism ensures the valve returns to its original position during power loss
it delivers stable operation with CCW lead end rotation
Key Benefits: Factory-Calibrated Precision: Features an optimized 130 degree opening temperature to prevent thermal damage to the heat exchanger during restricted airflow events
Siemens Building Technology QAC3171 Sensor R-410A 48MA400453The Siemens QAC3171 is a professional grade active outdoor temperature sensor designed for high performance environmental monitoring in commercial HVAC and building automation systems. Engineered with a Pt1000 sensing element, this unit provides high measurement stability and linear signal transmission. It features a versatile 4 20mA output signal, making it compatible with a wide range of controllers for applications like outdoor air reset, chiller
