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D44AT6 — Three-phase autotransformer 400 → 230 V
Three-phase autotransformer 400 → 230 V. This family is designed for voltage adaptation without galvanic isolation in a three-phase configuration.
Electrical configuration: input 400 V, output 230 V, range 4 a 315 kVA. Final selection should consider actual installation and protection conditions.
Technical data
Input voltage
400 V
400 V
Output voltage
230 V
230 V
Frequency
50/60 Hz
50/60 Hz
Thermal class
<80 kVA: F (140ºC) / Ta=40ºC - ≥80 kVA: H (165ºC) / Ta=40ºC
<80 kVA: F (140ºC) / Ta=40ºC - ≥80 kVA: H (165ºC) / Ta=40ºC
Degree of protection
IP-65
IP-65
Cooling
AN
AN
Protection against electric shock
Class I
Class I
Test voltage
4,5 KV
4,5 KV
Vector group
YN0
YN0
Relevant parameters
Reversible: 400 / 230 V o 230 / 400 V
Reversible: 400 / 230 V o 230 / 400 V
Application
Voltage adaptation without galvanic isolation
Three-phase autotransformer 400 → 230 V. This family is designed for voltage adaptation without galvanic isolation in a three-phase configuration.
Electrical configuration: input 400 V, output 230 V, range 4 a 315 kVA. Final selection should consider actual installation and protection conditions.
References and dimensions
| Reference | Power | Input voltage | Output voltage | A × B × C | Weight |
|---|---|---|---|---|---|
| 340D44AT6 | 4 kVA | 400 V | 230 V | 370 × 302 × 384 mm | 26 kg |
| 350D44AT6 | 5 kVA | 400 V | 230 V | 370 × 302 × 384 mm | 36 kg |
| 363D44AT6 | 6.3 kVA | 400 V | 230 V | 500 × 372 × 584 mm | 46 kg |
| 380D44AT6 | 8 kVA | 400 V | 230 V | 500 × 372 × 584 mm | 51 kg |
| 410D44AT6 | 10 kVA | 400 V | 230 V | 500 × 372 × 584 mm | 60 kg |
| 413D44AT6 | 13 kVA | 400 V | 230 V | 500 × 372 × 584 mm | 65 kg |
| 416D44AT6 | 16 kVA | 400 V | 230 V | 500 × 372 × 584 mm | 71 kg |
| 420D44AT6 | 20 kVA | 400 V | 230 V | 660 × 490 × 734 mm | 102 kg |
| 425D44AT6 | 25 kVA | 400 V | 230 V | 660 × 490 × 734 mm | 110 kg |
| 431D44AT6 | 31.5 kVA | 400 V | 230 V | 660 × 490 × 734 mm | 133 kg |
| 440D44AT6 | 40 kVA | 400 V | 230 V | 660 × 490 × 734 mm | 150 kg |
| 450D44AT6 | 50 kVA | 400 V | 230 V | 660 × 490 × 734 mm | 180 kg |
| 463D44AT6 | 63 kVA | 400 V | 230 V | 660 × 490 × 734 mm | 202 kg |
| 480D44AT6 | 80 kVA | 400 V | 230 V | 980 × 800 × 1034 mm | 293 kg |
| 510D44AT6 | 100 kVA | 400 V | 230 V | 980 × 800 × 1034 mm | 317 kg |
| 513D44AT6 | 130 kVA | 400 V | 230 V | 980 × 800 × 1034 mm | 378 kg |
| 516D44AT6 | 160 kVA | 400 V | 230 V | 1380 × 980 × 1444 mm | 558 kg |
| 520D44AT6 | 200 kVA | 400 V | 230 V | 1380 × 980 × 1444 mm | 618 kg |
| 525D44AT6 | 250 kVA | 400 V | 230 V | 1380 × 980 × 1444 mm | 713 kg |
| 531D44AT6 | 315 kVA | 400 V | 230 V | 1380 × 980 × 1444 mm | 813 kg |
Dimension reference
Dimensions A, B, C, d and e in the table correspond to those shown in this image.
