device: 7SA86 distance protection, 3- pole dual-end fault protection, expandable housing type: flush mounting; BI: 53; BO: 46 (34ST + 12F + 0HS + 0P); I: 8 (protection); U: 8 ( standard); measuring transducer inputs: 0 (20 m A or 10 V, fast), 0 (20 m A, normal); housing width: 1 x 19''; modules in 19" row 1: IO 202, PS201, IO202, IO205, IO20 6, IO207; modules in 19" row 2: ; LEDs/push-buttons: 32 LEDs; operation panel: integrated; key switch: with; display type: large display; front design: standard; auxiliary voltage: 60 V - 250 V DC,