celduc-relais [ celduc relais ] - 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. 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. 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.