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meaning it relies on the system's airflow to maintain safe operating temperatures for the internal components
keep total wiring resistance below 3 ohms
making it an essential solution for applications requiring automatic setpoint reset or complex proportional control
Industrial Durability: Robust brass construction resists corrosion and mechanical wear in mechanical rooms
Integrated York blower motor module for precise variable speed and torque control
Siemens Building Technology QAA2235.EWSN Sensor 321894-706 meaning it relies on theThe Siemens QAA2235. EWSN is a precision room temperature sensor engineered for seamless integration into commercial Building Automation Systems (BAS). Utilizing a 100k Ohm thermistor active output, this unit provides highly stable and linear temperature feedback to HVAC controllers, ensuring tight deadband management and optimized energy efficiency. Designed specifically for indoor comfort monitoring, it operates across a standard range of 32F to
US$ 65.00
US$ 2070.00
US$ 45.00