Surge absorber

Details Surge absorber Surge absorber

1992-09-09

1994-01-04

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Space discharge device

337 16, 337 76, 361124, H01H 6100, H01H 7116

Patent

active

052764222

ABSTRACT:
A surge absorber in which a thermal response switch is inserted in an input line at the input side of a surge absorbing element. The switch includes a conductive spring piece and a conductive hook piece. The base end of the conductive spring piece is fixed on either the first lead or the second leads and the tip of the conductive spring piece is provided with a pawl. The base end of the conductive hook piece is fixed on either the first lead or the second leads and the tip of the conductive hook piece is engaged with the pawl. At least one of the conductive spring piece and the conductive hook piece is made of a thermal response piece. Upon stopping of the applied continuous overvoltages or overcurrents, the switch can automatically be restored depending on an extent of the overcurrent by a manual operation.

REFERENCES:
patent: 2615963 (1952-10-01), Millen
patent: 3038047 (1962-06-01), Marquis

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