CITEL, your Expert in Surge Protection Discover our solutions for protecting installations from transient overvoltages, particularly those caused by lightning.

From our facility in Miramar, CITEL builds SPDs that meet UL 1449, UL 497B, UL 508A, NFPA 79 and NFPA 70 (the National Electric Code). With more than two decades of production in the US, CITEL …

Since 1937, CITEL has been keeping the world's critical networks and equipment protected from transient overvoltages. Whether a large magnitude lightning strike or the relentless barrage of...

Dec 10, 2025 · CITEL, a global expert in surge protection, proudly announces the relocation of its US headquarters to Hillsborough, NC.

We operate in North America and Europe. Citel enables SMBs, large enterprises and service providers to realize the cost and productivity benefits of IP telephony while at the same time leveraging their …

Discover Citel’s commitment to telecom innovation, enabling seamless transitions with state-of-the-art VoIP solutions and unparalleled support.

Founded in 1937, CITEL is an industrial group that engineers, manufactures and sells protection solutions for electrical networks, telephone (digital & analog) and mobile equipment, PV systems,...

Who's CITEL ? Since 1937, CITEL has been protecting installations around the world from transient overvoltages that result from switching events and lightning strikes.

CITEL designs and manufactures Surge Protective Devices (SPDs) that protect critical networks and equipment from transient overvoltages. Our product ranges include AC Power, DC Power, Dataline …

Since 1937, CITEL has been protecting installations around the world from transient overvoltages that result from switching events and lightning strikes.