specifically the PUZ-A12NKA7

and capacitor to ensure perfect alignment during installation

this unit is engineered for 120V AC primary input only

it features brazed connections and internal thermostat motor protection to ensure operational stability under high-demand cycles

including internal side-mount applications

Siemens Building Technology QPA2060D Sensor mario specifically the PUZ-A12NKA7The Siemens QPA2060D is a dual function room air quality sensor engineered for precise demand controlled ventilation (DCV) in commercial HAVC systems. Utilizing infrared absorption technology (NDIR) for CO2 monitoring, this unit delivers a stable 0 10Vdc output signal across a detection range of 0 2000 PPM. The integrated temperature sensing capabilities allow for simultaneous climate monitoring, reducing the need for multiple wall mounted devices.