7SR5111-4BA16-0AA0Brand: SiemensMPN: 7SR5111-4BA16-0AA0Directional time-overcurrent protection 7SR51, 4 curr. trans., 4 volt. trans., 24 BI (standard), 14 BO (incl. 4 HDBO (Heavy Duty)), Standard interface: 1 x USB Request a quote