A leading provider of high-quality, competitive products for all current and voltage transformers and resistive capacitive voltage dividers since 1927.
PFIFFNER Turkey
Established in 2004, this factory manufactures cast resin voltage transformers up to 40.5 kV and oil-filled current & capacitive voltage transformers up to 550 kV.
PFIFFNER Germany
Founded in 2010, this factory designs and produces gas-insulated instrument transformers for high-voltage applications.
PFIFFNER Brazil
Established in 2006, this plant supports the small, up to the biggest energy facilities spread across Brazil and MERCOSUL. In addition, it has been an integral supplier for high voltage instrument transformers.
PFIFFNER India
Established in 2018, this facility is specialised in the manufacturing of oil-immersed instrument transformers, CT, IVT and bushings.
PFIFFNER Systems
Founded in 2016, this company offers a range of engineering services, individual products, product packages, and even complete system solutions.
MOSER GLASER
A pioneer in solid insulation since 1914, this factory is a leading manufacturer of busbar systems and bushings for utility and industrial customers.
ALPHA-ET
Established over 90 years ago, this factory is specialised in disconnectors for medium and high-voltage networks and cable solutions for power transmission to high-speed trains.
HAVECO
An established brand in the Swiss energy services sector since 2012, this company is active in energy and grid services for customers in the electricity industry, electric railroads, and industry.
HAEFELY
Founded by pioneer Emil Haefely in 1904, it is an industry-leading supplier of cutting-edge solutions in high voltage testing, instrumentation and EMC technology.
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