7SR5420-3BA12-0AA0Brand: SiemensMPN: 7SR5420-3BA12-0AA0Transformer prot. 7SR54, 8 curr. trans., 21 BI (standard), 10 BO (incl. 4 HDBO (Heavy Duty)), Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 inteRequest a quote