A heat protection device for overvoltage arrester magazines

Details A heat protection device for overvoltage arrester magazines A heat protection device for overvoltage arrester magazines

1984-06-11

1987-02-10

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361119, 361129, H02H 322

Patent

active

046427236

ABSTRACT:
A heat protection device for overvoltage terminal block arrester magazines having with two-way arresters or with button arresters. According to the present invention, an S-shaped clip spring or an L-shaped clip spring is inserted in a button arrester of the 6.times.6-type or the 6.times.8-type. The clip provides one leg of the protection device having a solder preform and a switch contact to complete the circuit. In case of an overvoltage, the arc developed in the arrester causes the solder preform to melt off during an extended application of heat arising from the arrester, activating the switch contact and short-circuiting the leg of the arrester.

REFERENCES:
patent: 4002952 (1977-01-01), Menninger
patent: 4086648 (1978-04-01), Hinet et al.

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