| 摘要 |
An overvoltage protection circuit, in particular for protection against lightning. It comprises, in an ionizable atmosphere, three electrodes in the form of plates secured to an insulating support. One of the said electrodes is a discharge ignition electrode penetrating into a discharge gap between the two other electrodes, which are discharge electrodes. One of the two latter is connected to the ignition electrode through an electrical resistor. The assembly of the electrodes is located inside a case filled by the said atmosphere and inside which the electrodes and resistor are secured to a plate of insulating material which constitutes the said insulating support.
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