ClassID:

203306

H01H50/541 - CPC Classification

Classification description:

Details of electromagnetic relays; Contact arrangements Auxiliary contact devices

Sub-classes:
Recent Application in this class:
#1
20260142109
2026-05-21

HIGH-VOLTAGE CONTACTOR WITH ULTRASONIC WAVE INSERTION SURFACE

#2
20260112560
2026-04-23

DIRECT CURRENT RELAY WITH AUXILIARY CONTACT

#3
20260051449
2026-02-19

CONTACT HOLDER, AUXILIARY CONTACT MODULE AND CONTACTOR

#4
20260031284
2026-01-29

SWITCHING DEVICE

#5
20260011516
2026-01-08

SMALL-SIZE HIGH-VOLTAGE DIRECT CURRENT CONTACTOR

#6
20250349480
2025-11-13

CONNECTING STRUCTURE BETWEEN LEAD-OUT PINS OF AUXILIARY STATIONARY CONTACTS AND YOKE PLATE OF DC RELAY

#7
20250316432
2025-10-09

SWITCHING DEVICE

#8
20250140501
2025-05-01

PUSH ROD ASSEMBLY, MANUFACTURING METHOD THEREOF AND RELAY

#9
20250095940
2025-03-20

RELAY

#10
20250095939
2025-03-20

RELAY

#11
20250014851
2025-01-09

SWITCHING DEVICE WITH A STOPPER AND METHOD FOR OPERATING A SWITCHING DEVICE

#12
20240420906
2024-12-19

ELECTROMECHANICAL RELAY AND MONITORING SWITCH FOR AN ELECTROMECHANICAL RELAY

#13
20240234063
2024-07-11

ELECTROMAGNETIC RELAY

#14
20240203678
2024-06-20

Elastic Member and Relay

#15
20240203676
2024-06-20

MULTI-SWITCH CONTACTOR ASSEMBLY

#16
20240136133
2024-04-25

ELECTROMAGNETIC RELAY

#17
20240062979
2024-02-22

ELECTROMAGNETIC RELAY

#18
20240021391
2024-01-18

SYSTEM AND METHOD FOR SETTING ARC GAPS ON A PLURALITY OF AUXILIARY SWITCHES OF AN ELECTRICAL CONTACTOR

#19
20230395347
2023-12-07

HIGH-VOLTAGE DC RELAY WITH AUXILIARY CONTACT

#20
20230197388
2023-06-22

Switching Device

#21
20230178319
2023-06-08

CONNECTING STRUCTURE BETWEEN LEAD-OUT PINS OF AUXILIARY STATIONARY CONTACTS AND YOKE PLATE OF DC RELAY

#22
20230082735
2023-03-16

Switching appliance

#23
20230016517
2023-01-19

AUXILIARY CONTACT UNIT

#24
20230012808
2023-01-19

AUXILIARY CONTACT UNIT

#25
20220148835
2022-05-12

System of four way automatic transfer switches

#26
20210012988
2021-01-14

RELAY CONTROL DEVICE FOR A RELAY MODULE

#27
20200402754
2020-12-24

High voltage latching relay with manual actuator

#28
20200294747
2020-09-17

Relay

#29
20200227223
2020-07-16

Electrical power contactor and vehicle including such a contactor

#30
20200168421
2020-05-28

Four-way automatic transfer switch

#31
20200161067
2020-05-21

Contact device, electromagnetic relay, and electrical device

#32
20200144011
2020-05-07

System and method for preventing chatter on contacts

#33
20190304712
2019-10-03

Electromagnetic switch

#34
20190228938
2019-07-25

DC relay having auxiliary contact

#35
20190228937
2019-07-25

Contactor

#36
20190088432
2019-03-21

CONTACT DEVICE

#37
20190074151
2019-03-07

Relay

#38
20190057828
2019-02-21

Cascading contactor drive system

#39
20190051481
2019-02-14

Permanent magnet contactor

#40
20190013158
2019-01-10

Contact device

#41
20180358186
2018-12-13

Contact piece unit and relay

#42
20180350542
2018-12-06

Electromagnetic relay

#43
20180315574
2018-11-01

Switch with customized circuit board electrical contact pad placement using selectively mounted electrical contactors

#44
20180269017
2018-09-20

CONTACT DEVICE AND ELECTROMAGNETIC CONTACTOR USING SAME

#45
20180218867
2018-08-02

Auxiliary switch

#46
20180218863
2018-08-02

Auxiliary relay of electromagnetic contactor

#47
20180204690
2018-07-19

Integration of electrical contacts in an electrical switching device

#48
20180197708
2018-07-12

Electromagnetic contactor

#49
20180197707
2018-07-12

Electromagnetic contactor

#50
20180158635
2018-06-07

Electromagnetic contactor

#51
20180144894
2018-05-24

CONTACT DEVICE AND ELECTROMAGNETIC CONTACT APPARATUS USING SAME

#52
20180144893
2018-05-24

ELECTROMAGNETIC CONTACTOR

#53
20180005790
2018-01-04

Electromagnetic switch device for starter

#54
20170358413
2017-12-14

Contact device and electromagnetic contactor using same

#55
20170287652
2017-10-05

Switching device with a modular auxiliary switching unit

#56
20170133184
2017-05-11

Electromechanical circuit breaker

#57
20160314921
2016-10-27

Electromagnetic relay

#58
20160314920
2016-10-27

Electromagnetic relay

#59
20160093459
2016-03-31

Auxiliary contact mechanism of electromagnetic contactor

#60
20160079718
2016-03-17

High voltage and high current power outlet

#61
20150325385
2015-11-12

Contact device

#62
20150248983
2015-09-03

Switching device with several regions of connection

#63
20150109713
2015-04-23

Magnetic contactor

#64
20150084724
2015-03-26

Integrated high voltage contactor and service disconnect

#65
20150061797
2015-03-05

Electronic contactor including separable upper bodies

#66
20150042423
2015-02-12

Relay having two switches that can be actuated in opposite directions

#67
20150022292
2015-01-22

Electromagnetic switch and contact position regulating method thereof

#68
20150015350
2015-01-15

Electromagnetic switch

#69
20140167891
2014-06-19

Electric switching apparatus

#70
20140002092
2014-01-02

Electromagnetic opening/closing device

#71
20130335174
2013-12-19

Electromagnetic opening/closing device

#72
20130087438
2013-04-11

Conversion device for converting a mechanical position into an electric state

#73
20120319806
2012-12-20

Thermally managed electromagnetic switching device

#74
20120268224
2012-10-25

Mounting unit for electromagnetic contactor and connection structure of electromagnetic contactor using the same

#75
20120240366
2012-09-27

Attachment/detachment structure for electromagnetic contactor and accessory unit and assembly method for movable hook portion provided in accessory unit

#76
20120178304
2012-07-12

Connecting device adaptable to different contactors

#77
20120133460
2012-05-31

Electromagnetic contact device

#78
20110205003
2011-08-25

Electromagnetic switching device having a plurality of areas graduated relative to one another

#79
20110115586
2011-05-19

Electromagnetic relay

#80
20100224467
2010-09-09

FIELD INTERCHANGEABLE AUXILLIARY SWITCH

#81
20100127805
2010-05-27

Production method for an electromagnetic switching device having partition walls between primary and auxiliary contacts and an electromagnetic switching device produced according to the production method

#82
20100033275
2010-02-11

Worldwide adaptive multi-coil automatic transfer switch

#83
20090302979
2009-12-10

Tool free contact block

#84
20080106362
2008-05-08

Contactor with modular connection of the coil

#85
20070188279
2007-08-16

Auxiliary contact unit for magnetic contactor

#86
20070018766
2007-01-25

Safety switch

#87
20070014055
2007-01-18

Apparatus and method for relay contact arc suppression

#88
20060134955
2006-06-22

Electromagnetic relay

#89
20050219020
2005-10-06

Electromechanical switch

#90
20050162246
2005-07-28

Noise-free low-power consumption wide voltage range DC and AC contactor and remote telephone control system using the same