Electrical gas-blast circuit breaker and method of manufacture

H - Electricity – 01 – H

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H01H 33/74 (2006.01) H01H 33/56 (2006.01)

Patent

CA 1117574

ABSTRACT OF THE DISCLOSURE An electrical gas blast circuit breaker is dis- closed including first and second compartments for a pressurized quenching gas. The first and second compartments are connectable with the connection actuating valve members of each compartment. The actuation of the valve members automatically provides conjunction between the compartments upon connection of the compartments together. Transportation covers may be provided to releasably seal the ends of the compartments after manufacture and before connection of the compartments. The valve members are preferably spring biased with each valve member urged against the spring bias during connection of the compartments.

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