Electrical circuit breaker with two vacuum cartridges in series

Details Electrical circuit breaker with two vacuum cartridges in series Electrical circuit breaker with two vacuum cartridges in series

H - Electricity

01

H

H01H 33/66 (2006.01) H01H 33/12 (2006.01) H01H 33/666 (2006.01)

Patent

CA 2080517

13 ABSTRACT ELECTRICAL CIRCUIT BREAKER WITH TWO VACUUM CARTRIDGES IN SERIES Inside a sealed enclosure (10) filled with sulphur hexafluoride there are housed main contacts (17,19) and parallel with the latter an auxiliary circuit comprising two vacuum cartridges (20,21) electrically connected in series. The cartridges (20,21) are operated by a single mechanism to open and close simultaneously and serial connection enables the voltage withstand to be increased. The invention can be applied to medium or high voltage gas- insulated installations or substations. Refer to figure 1.

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