Vacuum switching tube for protective circuit breaker of generator outlet
A technology of vacuum switch tube and circuit protection, which is applied in electric switches, high-voltage air circuit breakers, high-voltage/high-current switches, etc. There are few problems such as good flow capacity and anti-welding performance, high coaxial and vacuum level, and the effect of improving breaking current capacity and making current capacity.
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[0016] As shown in the figure, the vacuum switch tube for the generator outlet protection circuit breaker includes a guide sleeve 1, a ceramic insulating shell 3, a composite shielding cylinder 5, a moving end die 4, a static end die 6 and a protective cap 7, and a moving end die The moving conductive rod of 4 passes through the inner hole of the guide sleeve 1, the ceramic insulating shell 3 is respectively connected to the moving end tube core 4 and the static end tube core 6 through the Kovar 2, and the composite shielding cylinder 5 in the arc area of the shielding contact is connected to the The ceramic insulating shell 3 is connected, the protective cap 7 is connected with the static conductive rod of the static end die 6 , and the movable end die 4 corresponds to the contact combination 401 , 601 of the static end die 6 . The contact assemblies 401 and 601 are electrode structures with uniform arc distribution, and are placed on the support plate 11 by the cup holder 1...
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