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interMARINE 1-phase transformers are DNV GL type approved

interMARINE 1-phase transformers from range 50VA to 2400VA are now DNV GL type approved Read more »


StandexMeder Planar transformers and inductors now available!

Energy-efficiency and better performance for devices used in many commercial and industrial applications. Read more »


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Intertrafo Oy 

Intertrafo – solutions to a transforming world

Intertafo was founded in 1978. The company designs, manufactures and commissions transformers, inductors, power supply units and adapters as well as assemblies of these components. In addition to a wide range of standard products, a large part of our production comes from customer-specific products.

Intertrafo is a genuinely Finnish transformer manufacturer with extensive experience and specialised know-how. Our products are known for their innovation, meticulous workmanship as well as neatly finished detailing and appearance. The quality and reliability of our products is recognised in Finland as well as abroad in traditional mechanical industrial and equipment engineering markets and the marine industry. Customer-oriented service, delivery reliability as well as production based on the ISO 9001 quality certification and the ISO 14001 environmental certification are the cornerstones of our operation.

The company's roots lie deep in the traditional transformer know-how of Turku, and its history can indirectly be traced all the way back to the legendary ASA radio. Intertrafo is currently the only company in Finland that manufactures sensitive and precision-demanging audio transformers. Our specialised know-how is also manifested in medical transformers with strict safety standards as well as marine industrial products designed for extreme conditions.

Our customers include industrial, electronics and construction companies. We also operate internationally, and some of our products can be manufactured by our partners in countries with lower manufacturing costs. Because of this we are able to offer a clear competitive advantage to our customers.

ISO 9001:2015 certificate Intertrafo Oy

ISO 14001:2015 certificate Intertrafo Oy

Tekniset tiedot
Intertrafo Oy | Unkarinkatu 16, 20750 Turku | Tel. +3582 2442 111 | Fax (02) 2442 350