Reliance Comm/tec Corporation

William L Weber

Richard T Kaczmarek

A line protector for a communications circuit. The protector has a three electrode gas tube, the end electrodes of which are connected to the protector's line input terminals. The middle electrode of the tube is connected to the protector's ground terminal. Decoupling devices such as positive temperature coefficient resistors are connected in series between the line input terminals and the protector's equipment terminals. The protector also includes an additional overvoltage arrestor in the form of two diodes connected between the protector's ground terminal and the equipment terminals. The diodes have a lower voltage rating than the gas tube. A conductive clip which is in firm engagement with the protector's ground terminal is used to removably hold the diodes.

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Buffalo Grove, IL, United States of America

William L Weber