ClassID:

203629

H01H73/18 - CPC Classification

Classification description:

Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism; Details Means for extinguishing or suppressing arc

Recent Application in this class:
#1
20260155644
2026-06-04

ARC FLASH MITIGATION DEVICE

#2
20260054574
2026-02-26

MOTOR CONTROLLER, DISTRIBUTED POWERTRAIN, AND VEHICLE

#3
20260004985
2026-01-01

CIRCUIT BREAKER AND METHOD FOR ASSEMBLING ARC EXTINGUISHING CHAMBER UNIT IN CIRCUIT BREAKER

#4
20250259804
2025-08-14

ARC CHUTE FOR AN ELECTRICAL SWITCH

#5
20250253114
2025-08-07

ARC-EXTINGUISHING MECHANISM

#6
20250149283
2025-05-08

ARC GAS DISCHARGE DEVICE OF AIR CIRCUIT BREAKER

#7
20250104952
2025-03-27

ARC EXTINGUISHING UNIT OF MOLDED CASE CIRCUIT BREAKER

#8
20250079095
2025-03-06

EROSION RESISTANT COMPOSITE METAL COATING FOR PLATES OF AN ARC CHUTE ASSEMBLY FOR A CIRCUIT BREAKER

#9
20250029795
2025-01-23

SOLID-STATE CIRCUIT BREAKER

#10
20240249903
2024-07-25

DEFLECTION MEMBER, BREAKING MODULE, AND CONTACTOR

#11
20240222050
2024-07-04

ARC EXTINGUISHING UNIT AND AIR CIRCUIT BREAKER COMPRISING SAME

#12
20240203680
2024-06-20

AIR-BLOWING TRIPPING MECHANISM AND MOLDED CASE CIRCUIT BREAKER

#13
20240153728
2024-05-09

ARC EXTINGUISHING UNIT, INTERRUPTION UNIT, AND AIR CIRCUIT BREAKER COMPRISING SAME

#14
20240145199
2024-05-02

CIRCUIT BREAKER

#15
20240087830
2024-03-14

ELECTROMAGNETIC CONTACTOR CAPABLE OF EFFECTIVELY EXTINGUISHING ARC

#16
20240047163
2024-02-08

INTERRUPTER AND AIR CIRCUIT BREAKER COMPRISING SAME

#17
20240013996
2024-01-11

CIRCUIT BREAKER AND POWER SUPPLY SYSTEM

#18
20230317383
2023-10-05

Arc extinguishing assembly and circuit breaker comprising same

#19
20230245846
2023-08-03

High voltage circuit-breaker

#20
20230215674
2023-07-06

Movable contact bracket assembly and contactor

#21
20230187919
2023-06-15

Arc flash accessory module

#22
20230115892
2023-04-13

Air circuit breaker

#23
20230098632
2023-03-30

Direct current contactor with moving and fixed contact components located within an arc-extinguishing cavity

#24
20230066646
2023-03-02

Electric circuit breaker device

#25
20230030575
2023-02-02

Breaker and contactor

#26
20230015939
2023-01-19

ARC FLASH MITIGATION DEVICE

#27
20220415590
2022-12-29

Extinguishing chamber of magnetic blow-out type for an electrical breaking device and electrical breaking device equipped with such a chamber

#28
20220351919
2022-11-03

Circuit breaker with double break contacts and non-polarity sensitive design

#29
20220189724
2022-06-16

Arc extinction apparatus of air circuit breaker

#30
20220139643
2022-05-05

Switching device with effective cooling of outflowing gases

#31
20220115857
2022-04-14

Arc flash mitigation device

#32
20220044900
2022-02-10

Shield apparatus and circuit interrupter

#33
20210241981
2021-08-05

Arc chamber for a low-voltage switching device

#34
20210233729
2021-07-29

Electrical circuit breaker

#35
20210233728
2021-07-29

Electrical circuit breaker

#36
20210125797
2021-04-29

Breaker for high D.C. current or voltage applications, for instance industrial and/or railways applications

#37
20210110987
2021-04-15

Arc extinguishing chamber base of molded case circuit breaker

#38
20210020397
2021-01-21

Arc extinguishing unit of molded case circuit breaker

#39
20200395183
2020-12-17

Arc chamber of circuit breaker

#40
20200312599
2020-10-01

Arc extinguishing unit of molded case circuit breaker

#41
20200135414
2020-04-30

Arc suppression device, mobile body, and power supply system

#42
20200111624
2020-04-09

Switch device with improved permanent magnetic arc extinction

#43
20190326072
2019-10-24

Low-voltage circuit breaker

#44
20190013668
2019-01-10

Method of and apparatus for protecting a switch, such as a MEMS switch, and to a MEMS switch including such a protection apparatus

#45
20180358188
2018-12-13

Opposite arc isolation device of high voltage direct current relay

#46
20180323028
2018-11-08

Arc extinguishing structure for direct current circuit breaker

#47
20180301292
2018-10-18

Arc extinguishing gas filtering device for electrical current switchgear and electrical current switchgear comprising this filtering device

#48
20180294110
2018-10-11

Arc gas venting structure of air circuit breaker

#49
20180151321
2018-05-31

Contactor with coil polarity reversing control circuit

#50
20180122611
2018-05-03

Extinguishing unit of molded case circuit breaker

#51
20180062373
2018-03-01

Arc detection in electric meter systems

#52
20170346275
2017-11-30

Selective protection circuit and method, and power supply system

#53
20170345593
2017-11-30

Gas circuit breaker

#54
20170309426
2017-10-26

Electric arc-control device

#55
20170186562
2017-06-29

Structure of contacts for air circuit breaker

#56
20170178831
2017-06-22

Electric switching apparatus comprising an improved arc-quenching device

#57
20170169972
2017-06-15

Multipolar air-break circuit breaker including an improved device for filtering quenching gas

#58
20170098521
2017-04-06

Breaker facilitating rapid movement and elongation of arc

#59
20160343530
2016-11-24

SWITCHING SYSTEM AND CIRCUIT BREAKER

#60
20160297030
2016-10-13

Method for treating the surface of a wall in an electrical protection apparatus and apparatus comprising at least one wall treated according to said method

#61
20160240337
2016-08-18

Filter assembly for a circuit breaker arc chamber

#62
20160181034
2016-06-23

Arc extinguishing chamber for electrical circuit breaker and circuit breaker comprising such a chamber

#63
20160104591
2016-04-14

Single-pole breaking unit comprising a rotary contact bridge, and a switchgear device, and circuit breaker comprising such a unit

#64
20150380188
2015-12-31

Gas Circuit Breaker

#65
20150255228
2015-09-10

Minitype breaker with high stability

#66
20150243460
2015-08-27

Particulate and pressure redirection shield for an electric circuit breaker

#67
20150136740
2015-05-21

ARC baffling device

#68
20150129553
2015-05-14

Molded case circuit breaker

#69
20150129551
2015-05-14

Molded case circuit breaker

#70
20140339196
2014-11-20

ARC extinguishing unit for molded case circuit breaker

#71
20140321005
2014-10-30

Plug-on neutral breakers and related methods

#72
20140305906
2014-10-16

Molded-case circuit breaker

#73
20140202990
2014-07-24

Arc runners suitable for DC molded case circuit breakers and related methods

#74
20140131317
2014-05-15

Arc runner assembly and circuit interrupter

#75
20140069892
2014-03-13

Moving seal with arc creepage surface for an air circuit breaker

#76
20140021170
2014-01-23

Circuit breaker

#77
20130168359
2013-07-04

Electrical switching device, in particular compact circuit breaker

#78
20130153381
2013-06-20

Shield Apparatus for Use in Circuit Interrupter

#79
20130001201
2013-01-03

Configuration of an arc runner for a miniature circuit breaker

#80
20120326814
2012-12-27

Electric protection apparatus comprising at least one breaking module controlled by a control device with electromagnetic coil

#81
20120067849
2012-03-22

Electromechanical circuit breaker

#82
20110309052
2011-12-22

MOVING SEAL WITH ARC CREEPAGE SURFACE FOR AN AIR CIRCUIT BREAKER

#83
20110297649
2011-12-08

Mold cased circuit breaker

#84
20110290761
2011-12-01

Arc chute, circuit breaker for a medium voltage circuit, and use of a polymer plate

#85
20110174781
2011-07-21

Arc chamber employing a number of gassing inserts to form a number of gas flow circulation paths and electrical switching apparatus including the same

#86
20110079583
2011-04-07

Circuit breaker having dual arc chamber

#87
20100258531
2010-10-14

ARC CHAMBER FOR A SWITCHING DEVICE, AND SWITCHING DEVICE COMPRISING SAID ARC CHAMBER

#88
20090321393
2009-12-31

CURRENT-LIMITING ARC-QUENCHING DEVICE

#89
20090255904
2009-10-15

ARC SPLITTER ARRANGEMENT FOR AN ELECTRICAL SWITCH

#90
20090160586
2009-06-25

Protection switch

#91
20090146766
2009-06-11

Protection switch

#92
20090145882
2009-06-11

Protection switch

#93
20080277382
2008-11-13

Devices, Systems, and Methods for Dissipating Energy From an Arc

#94
20070268100
2007-11-22

Electrical switching apparatus, and movable contact assembly and shield therefor

#95
20070253130
2007-11-01

Devices, systems, and methods for shunting a circuit breaker

#96
20070210885
2007-09-13

Circuit breaker

#97
20070084831
2007-04-19

Circuit breaker including line conductor having bend portion to increase contact gap

#98
20070084830
2007-04-19

Electrical switching apparatus including operating mechanism having insulating portion

#99
20070075045
2007-04-05

Electrical switch

#100
20060191873
2006-08-31

Circuit breaker

#101
20060096954
2006-05-11

Arc chute and circuit interrupter employing the same

#102
20060017531
2006-01-26

Interrupter assembly for a circuit breaker

#103
20050150870
2005-07-14

Arc-quenching device for circuit breakers having double-break contacts

#104
20050068131
2005-03-31

Electric pole for a low-voltage power circuit breaker, and associated circuit breaker

#105
16216121
2019-11-19

Switch disconnector systems suitable for molded case circuit breakers and related methods

#106
16055823
2019-12-10

Circuit breaker with snap action contacts