Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1974-05-14
1976-03-02
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200148G, 200148D, H01H 3388
Patent
active
039419630
ABSTRACT:
In a circuit breaker having puffer type circuit breaking units housed within a tank of metal material, an inspection opening is formed in the tank side wall at a position opposite to a contact assembly in each of the circuit breaking units and is tightly closed by a detachable cover.
REFERENCES:
patent: 3214550 (1965-10-01), Easley
Nakano Seizo
Sasaki Kouji
Tsubaki Tohru
Hitachi , Ltd.
Macon Robert S.
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