Circuit-breaker operating mechanism

Details Circuit-breaker operating mechanism Circuit-breaker operating mechanism

1977-07-19

1978-12-12

Ross, Herbert F.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200DIG42, 335166, H01H 354

Patent

active

041297628

ABSTRACT:
The mechanism enables normal separation of the contacts when the handle is moved, even if the contacts are lightly welded together. This prevents the handle from moving if they are solidly welded together. A toggle joint is included between the drive member for the moving contacts and the automatic trip mechanism. The shaft of the toggle is engaged in an opening in an articulated arm.

REFERENCES:
patent: 3525959 (1970-08-01), Ellsworth et al.
patent: 3603755 (1971-09-01), Ranzanigo
patent: 3605052 (1971-09-01), Diamond et al.
patent: 3621189 (1971-11-01), Link et al.

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