LJ-1, 2, 4, 7 series zero sequence current transformer
Model description
LJ-1, 2, 4, 7
L: Current transformer
J: Earthing/grounding protection
1, 2, 4, 7: Number of passing cable
Technical parameters
Model | Rated current ratio | Rated secondary output | Relay type | Setting/adjustment current(residual current of secondary loop) | Sensitivity (Primary current of relay acting) | Unbalanced voltage of secondary loop | Weight |
A | VA | A | A | mV | Kg | ||
LJ-1 | 20/1 | 10 | DD-11/60 | 0.03 | 1-3 | 40 | 2.3 |
LJ-2 | 25/1 | 19 | |||||
LJ-4 | 30/1 | 28 | |||||
LJ-7 | 35/1 | 30 | 32 |
LJ-7/φ185/φ200/φ240/φ300
