Power technologyTransformers
Oil-immersed and cast-resin equipment,
matched to capacity, voltage and operating conditions.
Reliable equipment
for grids and industry.
From transformers and high-voltage equipment
to distribution, control and critical components.
Equipment brand concept visual · not a factory photograph
Every project.
A complete equipment scope.
Six areas of expertise, covering transmission, distribution and industry.
Equipment and systems defined around the technical requirements.
Substations & high voltage
From prefabricated and mobile substations to high-voltage switching systems.
Distribution & automation
Around the load, process and control logic,
define a coordinated electrical configuration.
Charging & critical power
For charging sites and critical loads,
coordinate power, distribution and autonomy.
Enclosures & structures
Start with the drawings.
Coordinate layout, interfaces and protection.
Components & conductors
Coils, cores and conductors,
matched to drawings and technical specifications.
Different grids.
Real operating conditions.
Japan
20 distribution transformers
for Japan
An S11 oil-immersed transformer configuration for a 6.6 kV distribution application.
- Rated power per unit
- 1,000 kVA
- Voltage ratio
- 6.6 / 0.4 kV
Indonesia
Morowali No. 2 main step-down substation
220 kV GIS · 12 GIS bays
Explore the high-voltage project
Manufacturing workshop photographTurn every requirement
into equipment.
Define ratings, equipment interfaces and applicable standards during technical review. Coordinate inspection points, packaging and shipping with the project.
The transformer manufacturing operation brings over 60 years of production know-how, a production-site area of approximately 300,000 m² and export experience in more than 30 countries. Its current legal entity was established in 1999.
Explore manufacturing capabilitiesTesting & certificates
Management-system certificates and model-specific product test records.
Management systems
ISO 9001:2015
Quality management system
21725Q06617R2M
Management systems
ISO 14001:2015
Environmental management system
21725E03636R2M
Management systems
ISO 45001:2018
Occupational health and safety management system
21725S03489R2M
Transformers
220 kV transformer ASTA type-test certificate
ASTA-TYPE-0001534
Transformers
SCB18 dry-type transformer PCCC certificate
22P1007539R0L
Holder details are visibly redacted. The stated models, standards, dates and issuer marks remain unchanged. Each document applies to its stated manufacturing scope or model. Complete technical files are reviewed for the selected project.
Testing & certificatesMa Company Principal
Start with your project.
A specification, a drawing
or a few key parameters are a good place to start.