device: 7UT86 transformer protection three- winding transformer housing type: flush mounting; BI : 7; BO: 7 (3ST + 4F + 0HS + 0 P); I: 8 (protection); U: 0 (standard ); measuring transducer inputs: 0 (20 m A or 10 V, fast), 0 (20 m A, normal); housing width: 1/3 x 19''; modules in 19" row 1: IO 203, PS201; 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 V - 250 V DC, 100 V - 230 V AC; redundant power supply: no