7SR5711-1AA11-1AA0Brand: SiemensMPN: 7SR5711-1AA11-1AA0Motor protection 7SR57, 4 curr. trans., 4 volt. trans., 9 BI, 8 BO, Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 ports, S6 enclosure incl. confRequest a quote