JST Transformateurs holds a position as one of the leading transformer manufacturing companies in the world, due to a competitive and flexible product offering, unsurpassed reliability, and constant commitment to customers and suppliers.

We are involved with different fields :

• High-power electricity supply;
• Production of electricity and electrical energy;
• Transport and distribution of voltage power, both high and very high;
• Electricity supply for railway networks;
• On-board electricity supply for trains.

Staff : 350 personnel

Certified ISO 9001 (quality) since 1995 and ISO 14001 (environment) since 1997

Production capacity : 14,000 MVA / year

• Lightning strike : 4,000 kV/500 k joules;
• Reactive energy : 130 MVAr;
• Net active energy : 4,000 kW.

Surface area : 75,000 sq.m. including 39,000 sq.m. of covered surface area

In this field, JST Transformateurs has the experience and the industrial means required by major manufacturers.

In order to optimize our industrial processes, and to continue to maintain mastery over them, we are constantly modernizing our production equipment. In recent years, this has been characterized by the complete rebuilding of our winding and isolating manufacturing facilities, as well as the installation of several cutting-edge technology machines.

60% of the production is now being carried out in these new facilities.

Before : Old winding and isolating section of the facilities.	After : New winding and isolating section of the facilities.