Electrical contact breaker-connector and earthing system e.g. for HV gas-insulated switchgear

摘要

A high voltage switch system has a shaft unit 2 has contact bush section 3 that fits onto the contact spigot 9 of a mating unit. The contact spigot is held captive by a flange 11 in a recess within a main housing block 8 The contact regions between the spigot and the housing and between the bush and the spigot is provided by a number of spring contact rings 6,17 that are of high conductivity material and are compressed to give good contact.