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48MA400453
Does this regulator require an external vent protector
making it suitable for many outdoor industrial environments
when installed in a compatible VP525C body
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
