For over 50 years, the Joslyn® brand has been recognized as the leading name in power, signal, and communications protection.

Since gaining recognition as the first global supplier of aircraft lightning arresters, Joslyn has become a global leader in providing innovative technology, design, manufacturing, and distribution of surge protection products. More than 1300 standard product configurations are available through just our extensive AC Surge protector line. Joslyn AC devices include products for facility wide installation, prewired units for equipment-level protection and custom-tailored solutions for OEMs. Joslyn® products are manufactured and supported by Thomas & Betts Power Solutions.