Opening and closing mechanism for a medium or high voltage...

Details Opening and closing mechanism for a medium or high voltage... Opening and closing mechanism for a medium or high voltage...

H - Electricity

01

H

H01H 1/22 (2006.01) H01H 33/12 (2006.01) H01H 33/66 (2006.01)

Patent

CA 2109986

ABSTRACT OPENING AND CLOSING MECHANISM FOR A MEDIUM OR HIGH VOLTAGE ELECTRICAL SWITCH The invention relates to a medium or high voltage electrical switch or circuit breaker comprising : - a main circuit provided with at least one stationary main contact (30a) and at least one movable main contact (30b) pivotally mounted around a spindle (3); - an auxiliary circuit, arranged in parallel to the main circuit and provided with a stationary auxiliary contact (35) and a movable auxiliary contact (25) pivotally mounted on the same spindle; According to the invention, the drive mechanism of the movable contacts includes a variable angular offset mechanism able to vary the relative angular positions of the movable auxiliary contact and movable main contact when operations of the switch take place. (figure 1)

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