The Moscow metro is called the cause of failure on gray branch

© RIA Novosti / Ramil to Setdiscoverable in photobanks in the subway. Archival photoThe Moscow metro is called the cause of failure on gray branch© RIA Novosti / Ramil to Setdiscoverable the image Bank

A fire in a section of the circuit breaker at the substation caused it to fail on the gray branch of the Moscow metro on Thursday, said the trade Union of the Moscow subway on Friday.

On the evening of 28 September, the metro said on Twitter that the intervals in movement of trains on Serpukhovsko-Timiryazevskaya branch increased for technical reasons. Passengers were closed station «Serpukhovskaya» and «sermon». As later reported in the press service of the subway, the failure occurred because of a power surge.

«Yesterday’s train stop on a gray branch caused a fire in the section of the circuit breaker at the substation. Its main task is to disconnect supply voltage contact rail in case of overcurrent», — follows from the message published on the website of the Union.

Contingency, according to the Union, could cause the defective train or overloading the line on the number of structures on the site. It is noted that reasons why the machine was burned, and passes out while being investigated.

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