# Rectifier & Electrolysis Transformers - Special Industrial & Process Transformers

> Verify configuration-specific ratings and compliance in the manufacturer documentation.

> Power/rating scope: 2 MVA - 80 MVA | Voltage scope: See selected product ratings

**Canonical:** https://voltformer.com/category/special-industrial-process-transformers/rectifier-electrolysis-transformers - markdown: https://voltformer.com/category/special-industrial-process-transformers/rectifier-electrolysis-transformers.md

## Parent

[Special Industrial & Process Transformers](https://voltformer.com/category/special-industrial-process-transformers.md): Arc furnace (EAF), green hydrogen electrolyser, rectifier, traction and mining Ex-proof transformers.

## Sample Products

- [VF-TBEA-HYD-25MVA-345 - TBEA 25 MVA 34.5 kV / 600V DC 24-Darbe Green Hydrogen Electrolyser Rectifier Transformer](https://voltformer.com/product/tbea-25-mva-34-5-kv-600v-dc-24-pulse-green-hydrogen-electrolyser-rectifier-transformer.md)
- [VF-WL-DRV-25M-35K - Wolong Electric 25 MVA 35 kV Multi-Winding VFD Speed Control Drive Transformer](https://voltformer.com/product/wolong-electric-25-mva-35-kv-multi-winding-vfd-speed-control-drive-transformer.md)
- [VF-SIE-GEO-RECT-2000-20 - Siemens Energy GEAFOL Neo 2000 kVA 20/0.48 kV Cast-Resin Rectifier Transformer](https://voltformer.com/product/siemens-geafol-neo-2000-kva-20-kv-rectifier-transformer.md)
- [VF-GEV-RECT-4218M-132 - GE Vernova 42.18 MVA 132 kV / 4×0.490 kV 122 kA DC Rectifier Transformer](https://voltformer.com/product/ge-vernova-42-18-mva-132-kv-rectifier-transformer.md)
- [VF-GEV-RECT-50M-132 - GE Vernova 50 MVA 132 kV High-Current Rectifier Transformer](https://voltformer.com/product/ge-vernova-50-mva-132-kv-high-current-rectifier-transformer.md)
- [VF-SIE-GEO-RECT-2500-20 - Siemens Energy GEAFOL Neo Rectifier Transformer 2500 kVA 20/0.69 kV](https://voltformer.com/product/siemens-geafol-neo-rectifier-2500-kva-20-kv.md)
- [VF-HE-H2-RECT-30M-345 - Hitachi Energy 30 MVA 34.5/0.7 kV 24-Pulse Green Hydrogen Rectifier Transformer](https://voltformer.com/product/hitachi-energy-30-mva-34-5-kv-green-hydrogen-rectifier-transformer.md)
- [VF-SIE-H2-REC-35M-33 - Siemens Energy 35 MVA 33/0.69 kV 24-Darbe Green Hydrogen Electrolyser Rectifier Transformer](https://voltformer.com/product/siemens-energy-35-mva-33-kv-green-hydrogen-rectifier-transformer.md)

## Technical specializations

- **Green Hydrogen Electrolyzer & DC Rectifier Power Transformers** - Verify configuration-specific ratings and compliance in the manufacturer documentation.
- **12 / 24 / 48-Pulse Multi-Pulse Aluminum & Chemical Rectifier Transformers** - Verify configuration-specific ratings and compliance in the manufacturer documentation.

## Official sources

- https://webstore.iec.ch/en/publication/599

- **Last reviewed:** 2026-09-13

## RFQ

Use the family-specific tools in [the tool reference](https://voltformer.com/tool-reference.md) and the canonical taxonomy at https://voltformer.com/agent-catalog.json. Sub-category: rectifier-electrolysis-transformers. The transformer query's subCategory parameter applies only to transformer families. Authenticate and obtain explicit confirmation before RFQ submission.