7SR5431-3AF16-1AA0Brand: SiemensMPN: 7SR5431-3AF16-1AA0Transformer prot. 7SR54 12 curr. trans., 4 volt, trans. 8 TSI (Temperature Sensor Input), 25 BI, 12 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x Request a quote