HD Hyundai Electric has received UL certification for four of its circuit breaker models, a move that paves the way for ...

SEOUL, South Korea, Oct. 15, 2025 /PRNewswire/ -- HD Hyundai Electric has secured UL certification, establishing a foothold to expand its market share in North America's low- and medium-voltage ...

Prasad Kandula and Marcio Magri Kimpara set up testing of ORNL-developed medium-voltage circuit breakers that use affordable semiconductors to protect grid systems that use direct current. Researchers ...

Safe reliable power is the goal of every professional responsible for the design, installation, and maintenance of electrical power systems. As a key part of the overall electrical power system, ...

HD Hyundai Electric said Tuesday its air circuit breaker, molded case circuit breaker, vacuum circuit breaker and magnetic ...

Siemens has launched a refined medium-voltage circuit-breaker. The 3AH4 vacuum circuit-breakers have an operating current of 4000 A for the 36-kV voltage level. It is the first vacuum circuit-breaker ...

In Episode 22of “EC&M Asks,” a video series featuring subject matter experts (SMEs) answering reader-submitted questions regarding popular electrical topics, Ron Widup, vice chairman, board of ...