2.Technical cov ntaub ntawv
| Hom | Kev hloov pauv hloov pauv (A) | Secondary load (W) | Relay hom | Kev teeb tsa tam sim no (Relay winding parallel txuas) (A) | Thawj qhov seem tam sim no ntawm relay ua yeeb yam (A) | Unbalanced voltage ntawm theem nrab voj | Qhov hnyav (kg) |
| LJ-1 | 20/1 | 2.3 | |||||
| LJ-2 | 25/1 | NPE-11/60 | 40 | 19 | |||
| LJ-4 | 30/1 | 28 | |||||
| LJ-7 | 35/1 | 30 | 32 |
3.Txhua qhov kev kos duab
| D | d | d 1 qib | 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 |
