🚃Mitsubishi Electric news release “Mitsubishi JH type DC high-speed circuit breaker” for railway starts full-scale operation
Mitsubishi Electric Corporation announces that full operation of “Mitsubishi JH type DC high speed circuit breaker” delivered to three domestic railway operators * 1 was started at each company.
In case of abnormality, the world’s fastest * 2 detects and shuts down the short circuit current and quickly isolates the accident occurrence point from the power supply system, thereby protecting other connected equipment from the short circuit current and contributing to the stable operation of the railway.
http://www.mitsubishielectric.co.jp/news/2018/0207.html?cid=rss