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LS Cable & System expands product scope with catenary for subways

South Korea's LS Cable & System announced that it is the first Korean company to localize the rigid bar (R-BAR) catenary system that supplies power to an electric railway like a subway.

A press release said that the system is installed in sections where it is difficult to use the conventional catenary system because of narrow space like underground sections and tunnels. To date, only three European companies have offered the product, and the one now offered by LS Cable & System is not only compatible with previously imported foreign rigid bar systems, it can reduce the installation cost by up to 30%, it said.

The rigid bar (R-BAR) is a bar-type structure made of aluminum alloy installed on the ceiling and walls of a tunnel, the release said. "As it has a simple structure without any special accessory for fastening the contact wire, it can be installed in a narrow space. Also, as the rigid bar system fastens the contact wire to the bar unlike the conventional method of suspending the contact wire at both ends of the support fixture, there is no tension. So there is no fear of the contact wire breaking, and emergency recovery is easy in case of an accident, and the catenary is easy to maintain, e.g. replacement of the contact wire."

"LS Cable & System has a variety of product groups related to railroad, such as the cables for railroad cars already compliant with global specifications, and copper alloy catenaries, messenger wires and signal cables for infrastructure used for high-speed railway," said Dr. Dong-Wook Kim of the company's Product Technology Research Center. "The localization of the rigid bar has proven our advanced technical know-how in railroad parts, and we will further accelerate our efforts to penetrate the railroad market at home and abroad."

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