CELDUC is a specialist in the field of SSR semiconductor relays, reed relays and magnetic proximity sensors.

The CELDUC group consists of two divisions: CELDUC RELAIS and CELDUC TRANSFO. The aim of the division was to achieve a better concentration of knowledge in two separate market sectors. The company specialises in electrical engineering and electronics. It was founded in 1964 by Michel Guichard. In 2019 the group CELDUC had 200 employees and two production plants with a total area of 10 000 m2.

CELDUC controls the entire product development process – from design to development, manufacturing, testing and marketing. It produces the most comprehensive range of semiconductor relays available on the market. CELDUC has also developed its own manufacturing equipment to ensure the most efficient production methods. Thanks to this highly efficient and unique tooling, CELDUC products can be found all over the world, where they are used by the most renowned industrial companies.

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