Company History Who's CITEL ? 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. Our teams all over the world are proud to help bring the market a comprehensive product range of surge protectors with our unique client-focused service & quality. Unique, like each of our clients. Unique, as our strategic vision that places financial independence, international technical collaboration and strong individual commitment, at the forefront. A long history 1937 CITEL founded 1944 Manufacture of the first surge arrester 1985 CITEL America founded in Miami 1988 Citel Electronics Gmbh founded in Düsseldorf 1st AC modular surge protector 1992 Acquisition of CLAUDE, gaz tube line from GTE Sylvania 1996 Establishment of Shanghaï Citel Electronics Co., Ltd 1997 AC surge protector new range 'DS' series New Technology VG for AC surge protectors 2010 CITEL Russia founded in Moscow 2012 CITEL India founded in New Delhi 2012 Implementation of a test laboratory in Reims 2017 CITEL ThaIland founded in Bangkok New test laboratory 240 kA Citel Shanghai 2019 AC and DC surge protectors new range : DAC and DDC series Family company, our philosophy is to offer innovative and reliable surge protectors to the the closest possible to the market demand.