• The Success Story goes on

    90 MVA 132/11 kV

    Read more

  • Rectifier transformer units


    Read more


Technology, Reliability, Safety 

Experience for high performance products since 1959

SEA has become synonymous of technology, reliability, safety and service thanks to our managers, to the creativity and experience of our designers, to technicians’ steady updating, to continuous investment in research and development derived by a strong motivation to constant improvement.
Professional competence and the best technology are at disposal to meet any requirements:
Single-phase & three-phase liquid immersed or dry cast resin and air insulated Nomex® transformers, amorphous & high efficiency transformers, reactors and coils with different powers, cooling and not standard executions.
A range of high quality expertise addressed to any kind of customer: from utilities to OEM's (Original Equipment Manufacturer), from EPC's needs (Engineering Procurement and Construction) to standard distribution purposes.
A trademark which renovates itself with trading seriousness and reliability for a steady evolution within tradition.

News & Events

SDS Modi'in Data Center

Data protection is a major concern for all technicians working on data center modernization.

Rectifier transformer units

SEA SpA has recently supplied three transformer rectifier units 12 pulse, with secondary current (for each arm) of 6351 A.
The functioning of the High Current Rectifier System before the installation onsite has been tested in our testing laboratory.

District heating transformers in Sweden

Delivery of no.2 4000 kVA cast resin transformers 21.5-0.725 kV to Norrenergi, Sundbybergsverket in Sweden.
The transformers feed a newly built pumping system for district heating with only a controlled frequency load.