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About us

With nearly 200 full-time employees in 4 countries on 3 continents, the Groupe celduc® and its subsidiaries celduc® transfo and celduc® relais are a leading player in the global market for industrial automation, magnetic proximity sensors and power transformers. Founded in 1964 we promote French industrial expertise.

Our History

celduc relais

celduc® relais is the expert of solid state relays and magnetic sensors, worldwide. Its products are "100% made in France".

celduc transfo

celduc® transfo is a specialist in the manufacture of power transformers and for special applications.

celduc worldwide