Overload protector for communications systems

Details Overload protector for communications systems Overload protector for communications systems

1985-03-21

1987-06-23

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361129, 361124, 337 29, 337 32, 337 34, H02H 320

Patent

active

046757783

ABSTRACT:
A protector for telephone systems and similar systems is in the form of an elongate housing formed by two hollow box-like members, one fitting within the other. In the bottom member, a line terminal is provided at each end, each terminal connected to a line contact member in the housing. A ground terminal is provided at a mid position in the bottom member, connected to a support and ground member. A protector device assembly is mounted in the support and ground member, providing a breakdown gap connected between each line contact member and the ground. The device assembly can be two-electrode gas tube devices, a three-electrode gas tube device, or other devices. Back-up protector devices are positioned between each line contact member and the support and ground member.

REFERENCES:
patent: 4133019 (1979-01-01), Roach et al.
patent: 4158869 (1979-06-01), Gilberts
patent: 4159500 (1979-06-01), Baumbach et al.
patent: 4161762 (1979-07-01), Scheithauer
patent: 4326231 (1982-04-01), Coren

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