Combined interrupter-disconnect switch blade for high...

Details Combined interrupter-disconnect switch blade for high... Combined interrupter-disconnect switch blade for high...

H - Electricity

01

H

H01H 31/28 (2006.01) H01H 33/12 (2006.01) H01H 31/20 (2006.01)

Patent

CA 2111425

COMBINED INTERRUPTER-DISCONNECT SWITCH BLADE FOR HIGH VOLTAGE SWITCH ABSTRACT OF THE DISCLOSURE A high voltage open-air switch has a movable disconnect switch blade which contains a circuit interrupter therein having interrupter contacts in series with the open air disconnect switch contacts. The circuit interrupter has a lower BIL rating than the switch. An operating mechanism causes the independent operation of the interrupter and disconnect switch such that there is a high speed opening of the interrupter contacts, followed by the low speed opening of the disconnect switch contacts, and a slow speed closing of the disconnect switch contacts following by the high speed closing of the interrupter contacts. The switch can be adapted to numerous switch configurations and permits substantial savings in space by the reduced mounting space requirements for the interrupter assembly.

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