device: 7SA87 distance protection, 1-/ 3-pole housing type: flush mounting; BI : 91; BO: 47 (35ST + 12F + 0HS + 0P); I: 7 (protection) + 1 (sensitive ) + 8 (GIS_LPIT); U: 8 ( standard) + 8 (GIS_LPIT); measuring transducer inputs: 0 (20 m A or 10 V, fast), 0 (20 m A, normal); housing width: 1 x 19'' + 1/2 x 19''; modules in 19" row 1: IO 202, PS201, IO202, IO240, IO24 0, IO205; modules in 19" row 2: PS 203, IO205, IO230; LEDs/push-buttons: 32 LEDs; operation panel: integrated; key switch: with; display type: large display;