Home › Product families › D48AT2
D48AT2 — 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 800 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
<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-23
IP-23
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 800 kVA. Final selection should consider actual installation and protection conditions.
References and dimensions
| Reference | Power | Input voltage | Output voltage | A × B × C | Weight |
|---|---|---|---|---|---|
| 420D48AT2 | 20 kVA | 800 V | 400 V | 477 × 390 × 500 mm | 77 kg |
| 425D48AT2 | 25 kVA | 800 V | 400 V | 477 × 390 × 500 mm | 85 kg |
| 431D48AT2 | 31.5 kVA | 800 V | 400 V | 575 × 460 × 606 mm | 114 kg |
| 440D48AT2 | 40 kVA | 800 V | 400 V | 575 × 460 × 606 mm | 130 kg |
| 450D48AT2 | 50 kVA | 800 V | 400 V | 575 × 460 × 606 mm | 161 kg |
| 463D48AT2 | 63 kVA | 800 V | 400 V | 575 × 460 × 606 mm | 183 kg |
| 480D48AT2 | 80 kVA | 800 V | 400 V | 727 × 600 × 810 mm | 230 kg |
| 510D48AT2 | 100 kVA | 800 V | 400 V | 727 × 600 × 810 mm | 254 kg |
| 513D48AT2 | 130 kVA | 800 V | 400 V | 727 × 600 × 810 mm | 315 kg |
| 516D48AT2 | 160 kVA | 800 V | 400 V | 810 × 780 × 1105 mm | 415 kg |
| 520D48AT2 | 200 kVA | 800 V | 400 V | 810 × 780 × 1105 mm | 475 kg |
| 525D48AT2 | 250 kVA | 800 V | 400 V | 1110 × 980 × 1240 mm | 615 kg |
| 531D48AT2 | 315 kVA | 800 V | 400 V | 1110 × 980 × 1240 mm | 715 kg |
| 540D48AT2 | 400 kVA | 800 V | 400 V | 1110 × 980 × 1240 mm | 800 kg |
| 550D48AT2 | 500 kVA | 800 V | 400 V | 1304 × 980 × 1420 mm | 990 kg |
| 563D48AT2 | 630 kVA | 800 V | 400 V | 1304 × 980 × 1420 mm | 1150 kg |
| 580D48AT2 | 800 kVA | 800 V | 400 V | 1304 × 980 × 1620 mm | 1465 kg |
Dimension reference
Dimensions A, B, C, d and e in the table correspond to those shown in this image.
