The primary defense to protect electrical equipment from over-voltages is surge arresters. These necessary devices hold metal oxide varistors (MOVs) and are rapid response protectors against voltage ...

If you have paid close attention to power lines, you might have noticed metal spring-like structures close to the transmission towers. These spring-like structures are known as lightning arresters, ...

TDK Corporation is presenting a new EPCOS gas-filled surge arrester consisting of a stack of five individual arresters. Developed specifically to protect power supplies in telecommunication equipment, ...

High voltage A.C. surge arresters protect vital utility equipment that is costly to replace and often has long lead times to acquire, such as pole top transformers, breakers, or other devices. Under ...

Whether you’ve converted over to digital or you still have conventional control and communication systems in your high-voltage substation, you depend on surge protectors to minimize the incidence of ...

At one time, the National Electrical Code (NEC) contained two Articles you won’t find as of the 2020 revision: Art. 280 (surge arrestors) and Art. 285 (transient voltage surge suppressors or TVSS).

In just milliseconds, a voltage surge can destroy valuable equipment or even bring an entire facility down; thus, protection against transient voltage spikes is important. Hard-wired transient ...

Dublin, Nov. 17, 2025 (GLOBE NEWSWIRE) -- The "North America Surge Arresters Market Size and Growth Trends and Forecast Report 2025-2033" has been added to ResearchAndMarkets.com's offering. North ...

DURING the last five years an investigation has been made of the discharge currents of a number of 38,000-volt lightning arresters. The transmission system on which these arresters were installed is ...