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 ...

Cooper Power Systems has introduced the UltraSIL polymer-housed Evolution distribution-class surge arrester, an arrester that enables electric utilities to upgrade the efficiency of the power grid and ...

TDK Corporation is presenting a new EPCOS gas-filled surge arrester consisting of a stack of five individual arresters. TDK Corporation is presenting a new EPCOS gas-filled surge arrester consisting ...

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, ...

The National Electrical Manufacturers Association (NEMA), on behalf of its Surge Arresters Section, has published six guides and accompanying videos on arresters. These include four guides on ...

Thomas & Betts’ metal-oxide surge arrestors include the following features: IEEE 386 interfaces provide convenient energized connection with other 200A loadbreak or deadbreak components EPDM molded ...

Photovoltaic installations up to 1,000V UCPV can be protected by the prewired combined lightning current and surge arrester developed by Cooper Bussmann, the industry leader in critical circuit ...

The NEC distinguishes between surge arresters and transient voltage surge suppressors (TVSSs), yet both provide surge protection. What's the difference between them? Surge arresters generally apply to ...

Residents of Masindi District are living in fear following the death of five people, who were struck by lightning at Kibibira Market in Kiruli Sub-county on August 8. Residents are now afraid of ...

Lightning is some nasty stuff. Luckily, it doesn’t have a very long lifespan. [BigClive] decided to tear down an 11KV lighting arrestor used in power distribution systems. The fiberglass core has ...

SURGE ARRESTERS—The Surge Arresters and Switching Spark Gaps catalog covers a broad line of gas-filled surge arresters. Information presented in the catalog covers: replacement of glass envelope gas ...