Siemens TPR-300

DescriptionModel TPR-300 from Siemens ? Fire Safety serves as a bi-functional module in Siemens Model TXR-320 fire alarm control panels (FACPs), providing outputs for city-tie box and reverse-polarity applications. When configured as a city-tie module, Model TPR-300 is the interface between the indicating circuits and master box of each Siemens Model TXR-320 FACP. Model TPR-300 interfaces between the reverse-polarity receiver and the Model TXR-320 FACP when functioning as a reverse-polarity module. The City-Tie / Reverse Polarity Module is UL 864 9th Edition Listed.