Three-phase autotransformer 230/400 4,4KVA
Three-phase autotransformer 230/400 4,4KVA

Three-phase autotransformer 230/400 4.4KVA

By Julien Mawet · Solar PV Expert at Wattuneed • Updated April 2026
€1,366.83
Tax included
EREATT4400
0768563818462
The 4.4 kVA three-phase autotransformer allows you to adapt your grid voltage (230V ↔ 400V) to safely power your industrial machines.

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High Efficiency Three-Phase Conversion (4.4 kVA)

The 230/400V three-phase autotransformer is the ideal technical solution for resolving voltage incompatibilities between your grid and B2B equipment. Highly recommended for connecting old 3x230V grids to 400V inverters or heat pumps, this unit offers exceptional energy efficiency.

  • Reversible architecture (step-up or step-down).
  • High-quality wound components for extended lifespan.

Dimension your cables precisely using our Voltage Drop Calculator or request a Technical Study.

EREATT4400

Data sheet

Type of electrical equipment
Autotransformateur

Specific References

UPC
768563818462
EAN13
0768563818462
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Three-phase autotransformer 230/400 4.4KVA — Mounting and accessories

Three-phase autotransformer 230/400 4.4KVA is available in our Mounting and accessories catalog.

Technical specifications:
  • type of electrical equipment: Autotransformateur

Product weight: 20.0 kg. Reference: EREATT4400.