... the first parallel in time, accurate, fast, reliable to grid.2, automatic variable parameter FM, regulating, accurate prediction closing phase Angle ... and PC communication function.Technical indicators1. Power supply: AC85V ~ 250 v DC100V ~ 250 v2. Input PT signal:Generator (stay and side ... output, contact capacity for ac impedance 220 v / 5 a, Ac impedance 380 v / 2 a; Dc 110 v / 0.8 A, dc 220 ...