50 years of experience:
celduc® is a specialist in power techniques and electronics.
With many years of experience celduc® is fully focused on serving its market and customers all over the world. The company was founded in 1960 by Michel Guichard, today it is split into two separate companies, celduc® transfo & celduc® relais to channel and focus its expertise into two separate market sectors.

A well-known specialist
celduc® relais is now structured into three strategic business units and has pursued innovations, thanks to its R&D and marketing teams. These teams enable Celduc to be recognised as a well-known specialist in Solid States Relays, magnétic proxymity sensors and Reed relais & switches.

A complete know-how : from research to manufacturing
celduc® relais controls the complete chain : research, development, production, and testing. celduc® relais manufactures one of the most comprehensive range of Solid State Relays but has also developed its own production equipment to ensure the most efficient manufacturing methods.

A strong production capacity
celduc® relais constant product development and commitment to working with customers to develop bespoke solutions increases our production capacity by around 10 to 15 % per year.

High quality products
celduc® relais whole range of solid state relays are manufactured in accordance with many major international standards. Quality is of paramount importance and maintained at all times, aided by our own specially developed in house testing equipment.