Actuating mechanisms for vacuum interrupters

Details Actuating mechanisms for vacuum interrupters Actuating mechanisms for vacuum interrupters

H - Electricity

01

H

306/327

H01H 3/02 (2006.01) H01H 33/66 (2006.01)

Patent

CA 1061387

ABSTRACT An actuating mechanism for a vacuum interrupter comprises a first structure connectable to the outer end of the contact stem carrying the movable contact of the interrupter, a second structure movable relative to the first structure and engageable with a co-operating surface of the first structure for urging the movable contact away from the other contact of the interrupter, and actuating means operable to displace the second structure towards the interrupter so that it moves the first structure and causes the movable contact to engage the other contact, and causes the second structure subsequently to disengage from the co-operating surface of the first structure. The second structure provides a stored energy pick-up which ensures severance of weld spots on the opening stroke and a rapid acceleration of the movable contact to the open position. -1-

268815

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