Importance

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Abstract

Disclosed is a surge suppression system employed in a system comprising Hot and Neutral power line segments coupled via a filter to protected electronic circuitry. The surge suppression elements include a spark gap comprising a first electrode connected to the Neutral line segment and a second electrode connected to the ground potential; and a voltage clamping device electrically connected to the Hot and Neutral line segments at a point which is electrically closer to the protected electronic circuitry than the spark gap. The invention permits the filter to ring up to high voltages, and provides a mechanism whereby electrical breakdown occurs at a prescribed point. Surge suppression is provided after the filter by the single ungrounded clamping device.

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First Claim