Line protector for a communications circuit

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

H - Electricity

02

H

317/12.4

H02H 9/04 (2006.01) H01T 4/06 (2006.01)

Patent

CA 1331479

ABSTRACT A line protector for a communications circuit. The line protector has an overvoltage arrestor such as a three electrode gas tube, two of whose electrodes are connected to the line input terminals of the protector by associated conductive elements projecting from the protector base. The third electrode is connected to the ground terminal. The line protector also has two positive temperature coefficient resistors (PTCRs) which protect against marginal overcurrents. Conductive elements connected to the line protector's equipment terminals also project from the base in the same direction as the line input terminal conductive elements project. Each PTCR is in contact with an associated one of the two line input terminal conductive elements and an associated one of the two equipment terminal conductive elements.

609187

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