Voltage surge arrester device

Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation

Patent

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Details

361120, 315 36, H02H 322

Patent

active

041745302

ABSTRACT:
Voltage surge arrester devices having predetermined shunt gap sparkover voltages are provided by the series combination of high- and low-exponent varistors. In one embodiment the high-exponent varistor comprises zinc oxide and the low-exponent varistor comprises silicon carbide.

REFERENCES:
patent: 3320482 (1967-05-01), Sakshaug et al.
patent: 3515934 (1970-06-01), Kershaw, Jr.
patent: 3518492 (1970-06-01), Kresge et al.
patent: 3733520 (1973-05-01), Schei

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