With the right transformer, the right voltage will be available at any conditions.
Our transformers are the right choice for each application: They work reliably, safely and worldwide under a wide range of different conditions.
The 4BT single-phase power transformers can be configured as matching, auto- or converter transformers according to DIN VDE 0532-6 with selectable input and output voltages.
Our transformers provide optimal protection through high permissible ambient temperatures of up to 55 °C.
| Mfr. Part No. | Description |
| 4BT450 | Rated power Pn, kVA, 18 |
| 4BT470 | Rated power Pn, kVA, 20 |
| 4BT471 | Rated power Pn, kVA, 22.5 |
| 4BT472 | Rated power Pn, kVA, 25 |
| 4BT510 | Rated power Pn, kVA, 28 |
| 4BT520 | Rated power Pn, kVA, 31.5 |
| 4BT530 | Rated power Pn, kVA, 35.5 |
| 4BT540 | Rated power Pn, kVA, 40 |
| 4BT541 | Rated power Pn, kVA, 45 |
| 4BT550 | Rated power Pn, kVA, 50 |
| 4BT560 | Rated power Pn, kVA, 63 |
| 4BT581 | Rated power Pn, kVA, 80 |
| 4BT590 | Rated power Pn, kVA, 100 |
| 4BT601 | Rated power Pn, kVA, 125 |
| 4BT621 | Rated power Pn, kVA, 160 |
| 4BT630 | Rated power Pn, kVA, 200 |
| 4BT650 | Rated power Pn, kVA, 250 |