P1B111209

device: 7SD87 differential protection 1/3-pole 2-end expandable housing type: flush mounting; BI: 83; BO: 57 (41ST + 16F + 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 208, PS201, IO230, IO205, IO20 8, IO205; modules in 19" row 2: ; LEDs/push-buttons: 16 LEDs; operation panel: integrated; key switch: without; display type: small display; front design: standard; auxiliary voltage: 60-250 V DC, 100 V - 230 V AC