H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/235
H01H 33/16 (2006.01) H01H 33/12 (2006.01) H01H 33/40 (2006.01)
Patent
CA 1164514
ABSTRACT OF THE DISCLOSURE Disclosed is a gas circuit breaker of resistance breaking type, which comprises a main breaking unit and a resistance contact mechanism electrically connected in parallel with the main breaking unit for resistively cutting off current. With the opening action of the main breaking unit, a spring used for opening the resistance contact mechanism is energized and the energized force of the spring is released by a releasing mechanism after the current in the main breaking unit is cut off, thereby to act as a drive force to open the resistance contact means.
387967
Hirasawa Kunio
Ohshita Youichi
Takahashi Takeshi
Tsukushi Masanori
Hitachi Ltd.
Kirby Eades Gale Baker
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