2.Technical data  Type Transformation ratio (A) Secondary load (W) Relay type Setting current (Relay winding parallel connection) (A) Primary residual current of relay acting (A) Unbalanced voltage of secondary loop Weight (kg) LJ-1 20/1 2.3 LJ-2 25/1 DD-11/60 40 19 LJ-4 30/1 28 LJ-7 35/1 30 32 3.Overall dimension drawing D d d1 A1 A2 B1 B2 H LJ-1 145 82 9 80 60 130 80 103 LJ-2 230 110 13 150 160 200 200 180 LJ-4 285 140 280 175 195 LJ-7/e 185 310 185 15 220 130 280 175 220 LJ-7/® 200 320 200 300 175 225 LJ-7/® 240 410 240 150 300 240 270