Since 1937, CITEL has been protecting installations around the world from transient overvoltages that result from switching events and lightning strikes. With a thorough understanding of local standards and regulations, along with continuous investment in R&D, CITEL designs, manufactures and sells millions of SPD’s each year.

CITEL develops many critical protection components internally. The CITEL Company proposes a complete range of surge protectors adapted to all the different types of networks and all configurations of installations