Current-limiting fuses

Details Current-limiting fuses Current-limiting fuses

1986-08-08

1987-08-25

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337162, H01H 8504

Patent

active

046895965

ABSTRACT:
A low fault current interrupting fuse assembly for a full range current limiting fuse of the type having a high fault current interrupting fuse element connected in series with the low fault current interrupting fuse assembly, said assembly including a first fuse element having a high melt temperature characteristic and a second fuse element having a low melt temperature characteristic, the first and second fuse elements being connected in parallel and having different diameters to provide current interruption at different time-current characteristics under low fault current conditions.

REFERENCES:
patent: 3840836 (1974-10-01), Link
patent: 4146862 (1979-03-01), Mikulecky

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