H01H33/7038 - CPC Classification Index

ClassID:

202964 ⎘

H01H33/7038 - CPC Classification

Classification description:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle

Sub-classes:

H01H33/7046 » {having special gas flow directing elements, e.g. grooves, extensions } 7
H01H33/7053 » {having a bridging element around two hollow tubular contacts} 0

Recent Application in this class:

20240296999

Earthing switch

20210210295

Movable part of circuit breaker for gas-insulated switchgear

20200126742

Gas-insulated load break switch and switchgear comprising a gas-insulated load break switch

20190362917

Electrical switching device

20190244776

Contact piece for a high-voltage circuit breaker and method for producing same

20190206644

Gas-insulated low- or medium-voltage switch with swirling device

20190115174

Gas-insulated low- or medium-voltage load break switch

20150228427

CIRCUIT BREAKER OF GAS-INSULATED SWITCHGEAR WITH FIXED PART OF DECREASED LENGTH

20150069018

Circuit breaker with compactable contact structure