7SR5111-4AD16-2AA0Brand: SiemensMPN: 7SR5111-4AD16-2AA0Directional time-overcurrent protection 7SR51, 4 curr. trans., 4 volt. trans., 24 BI, 17 BO (incl. 3HSBO), 3 AFD (Arc Flash Detector), Standard interface: 1 x URequest a quote