7SR5431-5AD16-2AA0Brand: SiemensMPN: 7SR5431-5AD16-2AA0Transformer protection (3 windings) 12 Current tr., 4 Voltage trans., 3 AFD (Arc Flash Detector), 35 BI, 19 BO (incl. 3 HSBO) Standard interface: 1 x USB (frontRequest a quote