• Z.I. Garennes, 12C rue des longues raies, 78440 Gargenville, France
  • +33(0)

Our Energy for yours !

Since 1983 Transfo. Industry designs and manufactures
transformers and systems to the needs of industry and research.

Our Products


Our control for your quality !

Automation of repetitive tests - Saving data ...

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Our solutions for your requirements !

From components to complete installation,
total satisfaction of our customers is our first motivation.

Discover our solutions

TRANSFO. Industrie brings its expertise in high voltage transformers to the design and the manufacture of electrical equipment.

High voltage test tranformer 420kV

High Voltage Test Equipment

Power Supplies and Transformers

Short-circuit test transformer

Low Voltage – High Current

Test benches and low-voltage components

Custom power supply

Specific Components Power Supplies

Physical, Chemical or Mechanical Process

High voltage divider

High Voltage Dividers

 Measuring high voltage

Oil immersed isolation transformer

High Voltage Isolation Transformer

 Supply low-voltage equipment connected to High Voltage

Electrostatic precipitator HVDC power unit

High Voltage Power Supplies for Electrostatic Filters

Smoke dedusting – Electrofilter

Mobile safety cage HV testing

Safety and Protection

Compliance with European Standard EN 50191

Our fields of activity

Cables, manufacturers of electrical components, transformers, isolators, …

Audit and control agencies

Network managers, train manufacturers, railway companies

Public and private laboratories

Cement works, refineries, sewage treatment plants, water treatment

Areas of expertise

High Voltage

High Current

Electrical engineering


Tests and Measurements


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