SAFETY DEVICE FOR ELECTRICAL APPARATUS CONTAINING A DIELECTRIC GAS, IN PARTICULAR CIRCUIT BREAKERS OR VOLTAGE-DROPPERS FOR MEASUREMENT PURPOSES

摘要

A safety device for an electrical apparatus comprising an enclosure filled with gas under pressure, the safety device comprising first means for detecting the appearance of an arc inside the enclosure, and second means controlled by the first means to establish a path for the gas through the enclosure when the first means has detected an arc for a given length of time.