H01H33/04 - CPC Classification Index

ClassID:

202848 ⎘

H01H33/04 - CPC Classification

Classification description:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Details Means for extinguishing or preventing arc between current-carrying parts

Sub-classes:

H01H33/045 » {for arcs formed during closing} 9
H01H33/06 » Insulating body insertable between contacts 31
H01H33/08 » Stationary parts for restricting or subdividing the arc, e.g. barrier plate 93
H01H33/12 » Auxiliary contacts on to which the arc is transferred from the main contacts 53
H01H33/14 » Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc 45
H01H33/16 » Impedances connected with contacts 34
H01H33/18 » using blow-out magnet 31
H01H33/20 » using arcing horns 24
H01H33/22 » Selection of fluids for arc-extinguishing 63

Recent Application in this class:

20260148913

2026-05-28

SWITCHING DEVICE FOR A MEDIUM-VOLTAGE ELECTRIC UNIT

20250157758

2025-05-15

AIR CIRCUIT BREAKER HAVING INSERTION/WITHDRAWAL LINKAGE TYPE ARC COVER

20250149284

2025-05-08

SOLID STATE PARALLEL ARC ISOLATING DEVICE

20250104943

2025-03-27

CONTACTOR

20250069830

2025-02-27

MOLDED CASE CIRCUIT BREAKER

20240186083

2024-06-06

ELECTRIC CIRCUIT BREAKER DEVICE

20230368990

2023-11-16

Hybrid circuit breaker with solid state devices

20220172913

2022-06-02

Double-pole circuit breaker and distribution box

20220108852

2022-04-07

Vacuum circuit breaker

#10

20220005658

2022-01-06

Movable contact mechanism of double-breakpoint circuit breaker

#11

20210375566

2021-12-02

Electrical switch

#12

20210327663

2021-10-21

Switching device

#13

20210288475

2021-09-16

Front connected switchgear assembly having an integrated arc flash venting system

#14

20210257172

2021-08-19

Electric circuit breaker device

#15

20210241987

2021-08-05

DC circuit breaker

#16

20210159034

2021-05-27

Switch

#17

20210066014

2021-03-04

Circuit interrupters with ground fault modules and related methods

#18

20200357586

2020-11-12

Gas circuit breaker

#19

20200328038

2020-10-15

Switching device for conducting and interrupting electrical currents

#20

20200203093

2020-06-25

DIRECT CURRENT ARC EXTINGUISHING APPARATUS

#21

20200153232

2020-05-14

Whip and loop interrupter combination

#22

20200152400

2020-05-14

Arc suppressor, system, and method

#23

20190371547

2019-12-05

Air break electrical switch having a blade toggle mechanism

#24

20190311864

2019-10-10

Methods and apparatus for DC arc detection/suppression

#25

20190206645

2019-07-04

Electric circuit breaker device

#26

20190131966

2019-05-02

Switching device for conducting and interrupting electrical currents

#27

20190097414

2019-03-28

Whip and loop interrupter combination

#28

20180374663

2018-12-27

Electrical contact switch device

#29

20180301296

2018-10-18

Power switch module

#30

20180248343

2018-08-30

Electric arc extinguishing device for a three-phase power distribution system and corresponding power distribution system

#31

20180247776

2018-08-30

Arc suppressor, system, and method

#32

20180122602

2018-05-03

Liner arrangement and a circuit breaker with a liner arrangement and method for protecting an insulator body

#33

20180041021

2018-02-08

Switching system for breaking a current and method of performing a current breaking operation

#34

20180033574

2018-02-01

Arrangement for an Electrical Switch Element With a Seal

#35

20170345592

2017-11-30

Air break electrical switch having a blade toggle mechanism

#36

20170338067

2017-11-23

Electrical tripout device integrating a circuit breaker and an isolator

#37

20170317486

2017-11-02

Whip and loop interrupter combination

#38

20170271110

2017-09-21

Arc eliminator with earth contact

#39

20170229263

2017-08-10

Quick arc-breaking circuit-breaker

#40

20170186562

2017-06-29

Structure of contacts for air circuit breaker

#41

20170178843

2017-06-22

Switchgear system, and electrical switching apparatus assembly and maintaining method therefor

#42

20170062155

2017-03-02

Over-current protection assembly

#43

20170032901

2017-02-02

Magnetic proximity switch

#44

20160358721

2016-12-08

ARC suppressor, system, and method

#45

20160322184

2016-11-03

Switching device with dual contact assembly

#46

20160225557

2016-08-04

Switch

#47

20160071669

2016-03-10

Arrangement for an electrical switch element with a seal configuration

#48

20160005559

2016-01-07

Gas circuit breaker

#49

20150340180

2015-11-26

Apparatus including a circuit breaker adapted to selectively provide arc flash protection in connection with a wind turbine

#50

20150287559

2015-10-08

Circuit interruption device with constrictive arc extinguishing feature

#51

20150243459

2015-08-27

Air break electrical switch having a blade toggle mechanism

#52

20150060408

2015-03-05

Wear-resistant material, method for producing the same, puffer cylinder and puffer-type gas circuit breaker

#53

20150014279

2015-01-15

Device for protection against particles generated by an electric switching arc

#54

20150008214

2015-01-08

High voltage gas circuit breaker

#55

20140347151

2014-11-27

SWITCHING DEVICE SUITABLE FOR DIRECT-CURRENT OPERATION

#56

20140332500

2014-11-13

DC current switching apparatus, electronic device, and method for switching an associated DC circuit

#57

20140299578

2014-10-09

Gas circuit breaker

#58

20140263189

2014-09-18

Circuit interruption device with constrictive arc extinguishing feature

#59

20140209568

2014-07-31

Circuit breaker unit

#60

20140138357

2014-05-22

POWER DISTRIBUTION SWITCHGEAR CIRCUIT BREAKER

#61

20140104019

2014-04-17

Electromagnetic contactor and electromagnetic contactor gas encapsulating method

#62

20140104018

2014-04-17

Electromagnetic contactor and electromagnetic contactor gas encapsulating method

#63

20140101937

2014-04-17

Electromagnetic contactor manufacturing method

#64

20140001157

2014-01-02

Electronic switch

#65

20130153540

2013-06-20

Method of extinguishing an electric arc in a low or high voltage switchgear by pulse discharge