Failsafe device for use with electrical surge suppressor

Details Failsafe device for use with electrical surge suppressor Failsafe device for use with electrical surge suppressor

1995-12-18

1996-10-01

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361111, 361119, 337 29, 337 32, H02H 320

Patent

active

055615821

ABSTRACT:
A failsafe device is shown in which a solid state surge suppressor (12) is mounted thermally coupled to a heat transfer element (42). A shorting bar (60) is attached to element (42) by a thin layer of solder chosen to melt at a selected maximum temperature. A spring (70) places a preload on the shorting bar and, upon melting the solder, rapidly moves the shorting bar into engagement with leads (T, G, R) attached to the surge suppressor to short the T and R leads to ground (G).

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