Operator for a circuit interrupter and disconnect switch combina

Details Operator for a circuit interrupter and disconnect switch combina Operator for a circuit interrupter and disconnect switch combina

1979-03-09

1981-08-11

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200153G, 200153J, H01H 3312, H01H 938

Patent

active

042836107

ABSTRACT:
A manual operator for a series-connected circuit interrupter and disconnect combination mounted within a switch gearing closure, which includes an external operating handle affixed to a common operating shaft for the interrupter and the disconnect, which is rotatable about its axis between a closed position and an open position. A quick make, quick break, interrupter operating mechanism includes a manual operating shaft which is rotatable about its axis between a closed position and an open position. An operating rod has one end pivotally connected to a lever affixed to the common shaft and an opposite end pivotally connected to a lever affixed to the interrupter operator shaft, so that when the common shaft is rotated between its closed and open positions, the interrupter operating shaft is correspondingly rotated between its closed and open positions. The operating rod is held in a toggled position at both its closed and open positions by a spring connected between the rod and the switchgear enclosure. A disconnect operating shaft which is rotatable about its axis between a closed position and an open position, is connected by a "lost motion" linkage to be operated by the interrupter operating shaft, wherein, when the interrupter operating shaft is rotated from its open position, the disconnect shaft is rotated from its open position only after the interrupter has opened, and when the interrupter operating shaft is rotated from its closed position, the disconnect will close before the interrupter closes.

REFERENCES:
patent: 4105878 (1978-08-01), Date et al.
patent: 4220837 (1980-09-01), Bice

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