Product Group: High voltage products
Product DescriptionSummary: Zw7-40.5 series outdoor h. V. Vacuum circuit breaker is used in three-phase electrical system of AC 50Hz, voltage 40.5kv for breaking or closing load current, over-load current and short circuit current. Service condition: A. Adopting vacuum arc, strong breaking ability, long lifetime, mechanical lifetime 10000timesB, simple structure, unnecessary maintain, unfrequent repair. C, good insulating performance. Strong anti-filth ability. D, it can be equipped with spring or electromagnetic operating device and operated frequently without hidden danger of fire or explosion. E, it is equiped with current indictor, 0.2degree measure accuracy to realize three phase mutual protection. F, it is attached comgealed due controller to realize realize work in the certain temperature and humidity condition. If requirements are not mentioned above, users can fix them with the manufacturer.