Line protector for a communications circuit

Details Line protector for a communications circuit Line protector for a communications circuit

1979-03-22

1981-04-14

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361119, 337 32, 337 34, H02H 904

Patent

active

042623170

ABSTRACT:
A protector for a communications line comprises a three electrode gas tube surge voltage arrester as a primary protective device and metal oxide varistors as additional protective devices. In series with each side of the line, is an inductor that serves to isolate the gas tube from the varistors at relatively fast rise times of transient overvoltages. The gas tube, the varistors and the inductors are all mounted in a single housing that is divided into adjacent sections by an insulating member. The gas tube is in one section and the inductors and varistors are in the other section, the inductors being side-by-side and each coaxial with a pin that is adapted to be connected to the line.

REFERENCES:
patent: 2404999 (1946-07-01), Wallace
patent: 3824431 (1974-07-01), Schlicke
patent: 3934175 (1976-01-01), Clark
patent: 3975664 (1976-08-01), Baumbach
patent: 3992652 (1976-11-01), Blaisdell et al.
patent: 4015228 (1977-03-01), Eda et al.
patent: 4021759 (1977-05-01), Campi
patent: 4092694 (1978-05-01), Stetson

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