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D48AT6 — Three-phase autotransformer 800 → 400 for solar inverters
Three-phase autotransformer 800 → 400 for solar inverters. This family is designed for voltage adaptation in pv and bess plants in a three-phase configuration.
Electrical configuration: input 800 V, output 400 V, range 20 a 630 kVA. Final selection should consider actual installation and protection conditions.
Technical data
Input voltage
800 V
800 V
Output voltage
400 V
400 V
Frequency
50/60 Hz
50/60 Hz
Thermal class
<63 kVA: F (140ºC) / Ta=40ºC - ≥63 kVA: H (165ºC) / Ta=40ºC
<63 kVA: F (140ºC) / Ta=40ºC - ≥63 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
Not applicable
Not applicable
Application
Voltage adaptation in PV and BESS plants
Three-phase autotransformer 800 → 400 for solar inverters. This family is designed for voltage adaptation in pv and bess plants in a three-phase configuration.
Electrical configuration: input 800 V, output 400 V, range 20 a 630 kVA. Final selection should consider actual installation and protection conditions.
References and dimensions
| Reference | Power | Input voltage | Output voltage | A × B × C | Weight |
|---|---|---|---|---|---|
| 420D48AT6 | 20 kVA | 800 V | 400 V | 660 × 490 × 734 mm | 110 kg |
| 425D48AT6 | 25 kVA | 800 V | 400 V | 660 × 490 × 734 mm | 133 kg |
| 431D48AT6 | 31 kVA | 800 V | 400 V | 660 × 490 × 734 mm | 150 kg |
| 440D48AT6 | 40 kVA | 800 V | 400 V | 660 × 490 × 734 mm | 180 kg |
| 450D48AT6 | 50 kVA | 800 V | 400 V | 660 × 490 × 734 mm | 202 kg |
| 463D48AT6 | 63 kVA | 800 V | 400 V | 980 × 800 × 1034 mm | 293 kg |
| 480D48AT6 | 80 kVA | 800 V | 400 V | 980 × 800 × 1034 mm | 317 kg |
| 510D48AT6 | 100 kVA | 800 V | 400 V | 980 × 800 × 1034 mm | 378 kg |
| 513D48AT6 | 130 kVA | 800 V | 400 V | 1380 × 980 × 1444 mm | 558 kg |
| 516D48AT6 | 160 kVA | 800 V | 400 V | 1380 × 980 × 1444 mm | 558 kg |
| 520D48AT6 | 200 kVA | 800 V | 400 V | 1380 × 980 × 1444 mm | 618 kg |
| 525D48AT6 | 250 kVA | 800 V | 400 V | 1380 × 980 × 1444 mm | 713 kg |
| 531D48AT6 | 315 kVA | 800 V | 400 V | 1380 × 980 × 1444 mm | 813 kg |
| 540D48AT6 | 400 kVA | 800 V | 400 V | 1380 × 980 × 1644 mm | 1090 kg |
| 550D48AT6 | 500 kVA | 800 V | 400 V | 1380 × 980 × 1644 mm | 1090 kg |
| 563D48AT6 | 630 kVA | 800 V | 400 V | 1380 × 980 × 1644 mm | 1555 kg |
Dimension reference
Dimensions A, B, C, d and e in the table correspond to those shown in this image.
