Siemens Building Technology QFM2171 326058-756 Can this switch be used

Can this switch be used in vacuum applications

ensuring a tight fit that prevents bypass air from compromising system efficiency

Industrial Durability: Constructed from high-quality galvanized steel to resist corrosion and withstand high flue gas temperatures

this SPST (Single Pole Single Throw) switch ensures the blower motor is moving sufficient air for combustion before allowing the ignition sequence to proceed

With user-adjustable voltage setpoints and response times (0

Siemens Building Technology QFM2171 326058-756 Can this switch be usedThe 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,