Established in 1937, CITEL is the global leader in the development and production of Surge Protective Devices (SPD’s). CITEL is also the oldest manufacturer in the world of Gas Discharge Tubes (GDT’s).

  • Regional locations in USA, Germany, France, China, Russia, and India
  • Distributors in over 70 countries
  • R & D laboratories with high surge impulse testing capabilities (100 kA @10/350μs)

CITEL’s goal is to develop world class surge protection technology in order to provide maximum performance and reliability, protecting your equipment against overvoltages. CITEL’s Surge Protective Devices (SPD’s) product lines include:

  • AC & DC Surge Protectors
  • Hard Wired AC Surge Protectors
  • Surge Protectors for Photovoltaic Systems
  • Telecom Surge Protectors
  • Dataline Surge Protectors
  • Coaxial Surge Protectors
  • Gas Discharge Tubes (GDT’s)

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