Our Activity

As world leader in transformer explosion and fire prevention, we increase our knowledge in transformer explosion phenomena to bring our know-how to the protection of your activity, assets, employees and customers.

Without power, no activity can run. We make sure when a transformer incident occurs that the activity can be back to service 99% faster, as no critical damages have occurred.


Under the leadership of Electricité de France, SERGI was founded in the years’ 50 to find solution to mitigate risk associated to transformer fires. As a result, the drain and stir system has been developed.

The current SERGI Transformer Protector management has decided to invest in a research program to prevent transformer explosion and its associated fire. In the years 2000, we became the creator of this niche market, answering to the industry’ need of transformer fire prevention.

Since then, SERGI Transformer Protector is the world leader in transformer explosion and fire prevention, with thousands of solutions in operation across more than 80 countries.

More than 50 years taking care of Energy worldwide

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