Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Tripping means
Patent
1994-05-16
1995-02-14
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Tripping means
335167, H01H 900
Patent
active
053899067
ABSTRACT:
A molded case circuit breaker controlled by an electronic trip unit is cost-competitive with electromagnetic circuit interruption devices. A novel contact arm assembly and shield arrangement in combination with a contact arm spacer and operating cradle interface reduces the assembly time and the number of operating components to effect significant cost savings.
REFERENCES:
patent: 4931602 (1990-06-01), Toda et al.
patent: 4951020 (1990-08-01), Changle et al.
Arnold David
Castonguay Roger N.
Glabau Frederic W.
Morgan Roger J.
Reyes Thomas T. B.
Donovan Lincoln
General Electric
Menelly Richard A.
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