Surge suppresor with insulating meltable wall and leaf...

Details Surge suppresor with insulating meltable wall and leaf... Surge suppresor with insulating meltable wall and leaf...

H - Electricity

01

T

317/15

H01T 1/14 (2006.01) H01H 85/44 (2006.01)

Patent

CA 1330826

ABSTRACT OF THE DISCLOSURE A thermal protection device for overvoltage suppressor which includes spaced contacts mounted in overvoltage suppressor magazines of communication systems. A bow-type spring and a melt element are arranged with the overvoltage suppressor which is mounted in a chamber of a case body or housing. The melt element is pierced by at least one arm of the bow-type spring when an overvoltage occurs for short-circuiting the two contacts of the overvoltage suppressor. A thermal protection device with simple components prevents creepage currents between the bow-type spring and the contacts of the overvoltage suppressor, a chamber for the overvoltage suppressor is adjacent and abutting to a separate chamber formed in the case body for accommodating a bow-type spring. Between the two chambers there is a separating wall comprising a thermoplastic melt element.

578079

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