Power breaker apparatus

Details Power breaker apparatus Power breaker apparatus

1978-10-17

1981-06-09

Beha, Jr., William H.

Electricity: electrothermally or thermally actuated switches

With diverse art-type device

174138J, 308244, 338 21, H01H 8700

Patent

active

042727502

ABSTRACT:
A power breaker apparatus comprises a permanent fuse and resistors connected in parallel to the permanent fuse through a connecting conductor and is connected between a power source and a load to break a current supply to the load when a fault current is passed. At least external surfaces of the parallel resistors near the connecting parts of the connecting conductor are coated by an insulating coat.

REFERENCES:
patent: 945993 (1910-01-01), Thomson
patent: 1723872 (1929-08-01), Lougee
patent: 1743888 (1930-01-01), Hamister
patent: 2305577 (1942-12-01), Stoelting
patent: 3207624 (1965-09-01), Burrage et al.
patent: 3742247 (1973-06-01), Sunstein
patent: 3956672 (1976-05-01), Dumas

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