425D44AT2 — Three-phase autotransformer 400 → 230 V
Voltage adaptation without galvanic isolation
Technical specifications
Input voltage
400 V
400 V
Output voltage
230 V
230 V
Power
25 kVA
25 kVA
Frequency
50/60 Hz
50/60 Hz
Thermal class
<100 kVA: F (140ºC) / Ta=40ºC - ≥100 kVA: H (165ºC) / Ta=40ºC
<100 kVA: F (140ºC) / Ta=40ºC - ≥100 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
Standards
IEC-UNE-EN 61558, CE UL 5085-1 / UL 5085-2
IEC-UNE-EN 61558, CE UL 5085-1 / UL 5085-2
Dimensions and weight
| A | 477 |
|---|---|
| B | 390 |
| C | 500 |
| d | 280 |
| e | 350 |
| Enclosure | 5 |
| Weight | 77 |
| EAN | 8435012200728 |
Dimension reference
Dimensions A, B, C, d and e in the table correspond to those shown in this image.
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 1 a 400 kVA. Final selection should consider actual installation and protection conditions.