FIELD: electricity.
SUBSTANCE: invention is related to a system of switching device with a contact gap (6), which is surrounded by an insulating nozzle (7) at least partially. The insulating nozzle (7) has a nozzle passage (8) included into the gas heating volume (10). Inside of the gas heating element (10) there is a deflector element (14a, 14b), which has support inside the defector channel (15a, 15b).
EFFECT: design of switching device system which at varied shape of the deflector element ensures a low failure probability due to the targeted mixing of elegas and cold insulating gas in the gas heating volume.
17 cl, 2 dwg
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