Transformatory niskiego napięcia 16 - 250 kVA, IP54 typu 3LT-54
Program standardowy i wymiary
| Moc | Typ | a | b | c | Waga (kg) | a1 | b1 | c1 | c2 | d | e | f |
| d FkVA | d H kVA |
| 16 | 18 | 3LT 25.0 | 600 | 550 | 630 | 196 | 570 | 456 | 580 | 30 | 356 | 500 | 15.0 |
| 20 | 22 | 3LT 30.0 | 600 | 550 | 630 | 245 | 570 | 456 | 580 | 30 | 356 | 500 | 15.0 |
| 30 | 33 | 3LT 40.0 | 630 | 520 | 827 | 245 | 600 | 476 | 770 | 50 | 340 | 470 | 14.0 |
| 40 | 45 | 3LT 50.0 | 630 | 520 | 827 | 285 | 600 | 476 | 770 | 50 | 340 | 470 | 14.0 |
| 50 | 56 | 3LT 63.0 | 660 | 520 | 877 | 320 | 630 | 476 | 820 | 50 | 360 | 470 | 14.0 |
| 63 | 70 | 3LT 80.0 | 660 | 520 | 877 | 380 | 630 | 476 | 820 | 50 | 360 | 470 | 14.0 |
| 80 | 89 | 3LT 100 | 870 | 630 | 1057 | 473 | 840 | 586 | 1000 | 100 | 590 | 580 | 18.0 |
| 100 | 110 | 3LT 125 | 870 | 630 | 1057 | 550 | 840 | 586 | 1000 | 100 | 590 | 580 | 18.0 |
| 125 | 138 | 3LT 160 | 990 | 700 | 1137 | 695 | 960 | 656 | 1080 | 100 | 590 | 650 | 18.0 |
| 160 | 175 | 3LT 200 | 990 | 700 | 1137 | 800 | 960 | 656 | 1080 | 100 | 590 | 650 | 18.0 |
| 200 | 220 | 3LT 250 | 1130 | 800 | 1517 | 1012 | 1100 | 756 | 1450 | 100 | 600 | 750 | 18.0 |
| 250 | 275 | 3LT 315 | 1130 | 800 | 1517 | 1150 | 1100 | 756 | 1450 | 100 | 600 | 750 | 18.0 |