Low voltage circuit breaker with subdivided insulating housing

Details Low voltage circuit breaker with subdivided insulating housing Low voltage circuit breaker with subdivided insulating housing

1979-01-17

1981-08-25

Marcus, Stephen

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

200306, 220 4B, H01H 902

Patent

active

042861306

ABSTRACT:
A low voltage circuit breaker has a housing of insulating material divided into an upper part and a lower part along a parting gap. The interior of the housing is subdivided by partitions to accommodate the adjacent pole channels of a multiple pole circuit breaker. The partitions of the upper part and the lower part overlap along their entire length and the outside walls of both housing parts overlap essentially over their entire length having only short interruptions. The overlap of the outer walls and the partitions lengthen the electrical leakage paths within the housing and between adjacent insulating housing and prevent the passage of switching gases into adjacent breaker spaces and between adjacent breakers.

REFERENCES:
patent: 2047739 (1936-07-01), Lingal
patent: 2492726 (1949-12-01), Ayers et al.
patent: 2684417 (1954-07-01), Cole et al.
patent: 2863969 (1958-12-01), Edmunds
patent: 3043939 (1962-07-01), Gryctko et al.
patent: 3415407 (1968-12-01), Alden et al.
patent: 3632939 (1972-01-01), Yorgin et al.

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