High voltage outdoor vacuum circuit breaker, solid insulated 126kV. Hughes (Sweden)

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First high voltage solid insulated vacuum circuit breaker for 126kV
The Swedish manufacturer Hughes Power System presents the world’s first solid insulated high voltage vacuum circuit breaker (126kV, 3150A), a gas-free and a fully environmentally friendly product. It is built to remain in operation for more than 30 years without major maintenance due to the highest quality materials used in its construction. The product’s applications include railway feeder substations and electrical transmission systems. The combination of extremely high mechanical endurance and outstanding electrical parameters with solid insulation and with high performance vacuum interrupters provides highly reliable maintenance free products with low life cycle costs.