ClassID:

202472

H01H9/42 - CPC Classification

Classification description:

Details of switching devices, not covered by groups  - ; Means for extinguishing or preventing arc between current-carrying parts Impedances connected with contacts

Recent Application in this class:
#1
20250210284
2025-06-26

Contactor With Multiple Contacts for Conducting and Limiting a Current

#2
20250006438
2025-01-02

ELECTRICAL SWITCH ARRANGEMENT FOR REDUCING ARC ENERGY AND EROSION IN A CONTACT SYSTEM

#3
20230105868
2023-04-06

High-voltage circuit disconnection

#4
20210183598
2021-06-17

High-voltage power switch with closing resistor arrangement

#5
20210159026
2021-05-27

Electronic device with case having sheath-piercing tapered sections

#6
20190157020
2019-05-23

Switch having an arc-quenching device

#7
20180254158
2018-09-06

Switching device, movable body, power supply system and switching method

#8
20160315467
2016-10-27

Apparatus and method for switching a direct current

#9
20160035509
2016-02-04

Circuit breaking arrangement

#10
20160006238
2016-01-07

Circuit breaker system and method

#11
20140374382
2014-12-25

Arc-Jump Circuit Breaker And Method Of Circuit Breaking

#12
20140373801
2014-12-25

Multi-contactor device for controlling electric starter

#13
20140345554
2014-11-27

Electromagnetic switch for the starter of a heat engine, comprising at least two movable contacts

#14
20140301004
2014-10-09

Low-, medium-, or high-voltage switchgear

#15
20140293666
2014-10-02

Circuit arrangement for suppressing an arc occurring over a contact gap of a switching member

#16
20130301171
2013-11-14

User-actuated button ESD protection circuit with spark gap

#17
20130134028
2013-05-30

Electrical switch and circuit breaker

#18
20130037519
2013-02-14

Switch device and connector

#19
20120212210
2012-08-23

Electric circuit connected to thermal switch with three terminals

#20
20110227409
2011-09-22

RELAY AND POWER SUPPLY APPARATUS FOR VEHICLE

#21
20110156495
2011-06-30

Switching method and apparatus

#22
20100254046
2010-10-07

Controlling arc energy in a hybrid high voltage DC contactor

#23
20100232082
2010-09-16

Relay switching method and hybrid relay switch

#24
20090273420
2009-11-05

Electromagnetic switch

#25
20090262477
2009-10-22

Short-circuit current limiter

#26
20090201617
2009-08-13

CIRCUIT BREAKER

#27
20090115255
2009-05-07

Micro-electromechanical system based switching

#28
20080310058
2008-12-18

MEMS MICRO-SWITCH ARRAY BASED CURRENT LIMITING ARC-FLASH ELIMINATOR

#29
20070080764
2007-04-12

Switch

#30
20070064356
2007-03-22

Electric contact switching device and power consumption control circuit

#31
20070057746
2007-03-15

Multiple switch MEMS structure and method of manufacture

#32
20070035909
2007-02-15

Switching device combination for capacitive loads connected to direct voltage

#33
20060186090
2006-08-24

Breaker for providing successive trip mechanism based on PTC current-limiting device

#34
20060128177
2006-06-15

Electric contact device

#35
20060006145
2006-01-12

Arc quenching device for circuit breakers

#36
20050189206
2005-09-01

Direct current cutoff switch

#37
20050174211
2005-08-11

Direct current cutoff switch