At the domestic and foreign markets there is a significant number of switchgears with low-oil circuit breaker, 7.2 kV – 36 kV voltage range, that are in service for a long time.
So, upon customers request, for already delivered switchgears there is possibility to replace the installed low-oil circuit breakers by vacuum ones HGV type. This is the way to modernize the crucial part of switchgear without reconstruction of overall panels.
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