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A43AMK — Single-phase autotransformer 230 → 400
Single-phase autotransformer 230 → 400. This family is designed for voltage adaptation without galvanic isolation in a single-phase configuration.
Electrical configuration: input 400 V, output 230 V, range 200 VA a 3.15 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
F (140ºC) / Ta=40ºC
F (140ºC) / Ta=40ºC
Degree of protection
IP-20
IP-20
Cooling
AN
AN
Protection against electric shock
Class I
Class I
Test voltage
4,5 KV
4,5 KV
Vector group
I0
I0
Relevant parameters
Not applicable
Not applicable
Application
Voltage adaptation without galvanic isolation
Single-phase autotransformer 230 → 400. This family is designed for voltage adaptation without galvanic isolation in a single-phase configuration.
Electrical configuration: input 400 V, output 230 V, range 200 VA a 3.15 kVA. Final selection should consider actual installation and protection conditions.
References and dimensions
| Reference | Power | Input voltage | Output voltage | A × B × C | Weight |
|---|---|---|---|---|---|
| 220A43AMK | 200 VA | 400 V | 230 V | 84 × 83 × 80 mm | 1.25 kg |
| 232A43AMK | 320 VA | 400 V | 230 V | 84 × 94 × 80 mm | 2 kg |
| 250A43AMK | 500 VA | 400 V | 230 V | 96 × 96 × 91 mm | 2.5 kg |
| 263A43AMK | 630 VA | 400 V | 230 V | 96 × 101 × 91 mm | 2.75 kg |
| 310A43AMK | 1 kVA | 400 V | 230 V | 108 × 132 × 99 mm | 5.5 kg |
| 315A43AMK | 1.6 kVA | 400 V | 230 V | 120 × 132 × 108 mm | 6.5 kg |
| 320A43AMK | 2 kVA | 400 V | 230 V | 120 × 142 × 108 mm | 7.35 kg |
| 325A43AMK | 2.5 kVA | 400 V | 230 V | 150 × 166 × 134 mm | 11 kg |
| 330A43AMK | 3.15 kVA | 400 V | 230 V | 150 × 186 × 134 mm | 13.5 kg |
Dimension reference
Dimensions A, B, C, d and e in the table correspond to those shown in this image.

