H01H71/52 - CPC Classification Index

ClassID:

203585 ⎘

H01H71/52 - CPC Classification

Classification description:

Details of the protective switches or relays covered by groups - ; Operating or release mechanisms; Manual reset mechanisms which may be also used for manual release actuated by lever

Sub-classes:

H01H71/521 » {Details concerning the lever handle} 47
H01H71/522 » {comprising a cradle-mechanism} 24
H01H71/526 » {the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure} 28
H01H71/527 » {making use of a walking beam with one extremity latchable, the other extremity actuating or supporting the movable contact and an intermediate part co-operating with the actuator} 4
H01H71/528 » {comprising a toggle or collapsible link between handle and contact arm, e.g. sear pin mechanism} 15
H01H71/529 » {comprising an electroresponsive element forming part of the transmission chain between handle and contact arm} 1

Recent Application in this class:

20260112563

2026-04-23

Electrical protection device, distribution assembly and associated electrical panel

20260011519

2026-01-08

SOLID-STATE CIRCUIT BREAKER

20250308829

2025-10-02

ANGULAR STEPPED U-CORE AND ARMATURE PLATE SYSTEM GENERATING INCREASED MAGNETIC FORCE FOR TRIP MECHANISM OF CIRCUIT BREAKER

20250285824

2025-09-11

Tripping Mechanism

20240387120

2024-11-21

CIRCUIT BREAKER

20240128040

2024-04-18

CIRCUIT BREAKER INCLUDING A REMOTE ON/OFF BREAKER

20230411098

2023-12-21

OPERATING MECHANISM OF CIRCUIT BREAKER

20230360873

2023-11-09

ADAPTER FOR INSTALLING AN ACCESSORY PART AND ELECTRICAL SWITCH HAVING SUCH AN ADAPTER

20230274902

2023-08-31

Circuit breaker handle indication using opto-mechanical design

#10

20230134021

2023-05-04

DEVICES AND SYSTEMS FOR CONTROLLING CIRCUIT BREAKERS AND METHODS FOR USING SAME

#11

20230010157

2023-01-12

Switching apparatus for electric grids

#12

20220406549

2022-12-22

Two piece trip lever to open and close contacts remotely

#13

20220285117

2022-09-08

Circuit breaker to switch between two energy sources

#14

20220199345

2022-06-23

Circuit breaker handle indication using opto-mechanical design

#15

20220005660

2022-01-06

Quick-release latch, release mechanism and high-speed grounding switch, high-speed switch or short-circuiter

#16

20210225606

2021-07-22

LEAKAGE CURRENT PROTECTION DEVICE EMPLOYING A PIVOTING ACTUATOR IN THE TRIP ASSEMBLY

#17

20210193424

2021-06-24

RESTORING ELEMENT, AND ELECTRICAL SWITCH HAVING SUCH A RESTORING ELEMENT

#18

20210111516

2021-04-15

Attachment housing arrangement and method for unlocking

#19

20210098219

2021-04-01

Circuit breaker

#20

20200273652

2020-08-27

EXTERIOR OPERATION DEVICE OF MOLDED CASE CIRCUIT BREAKER

#21

20200075283

2020-03-05

Molded case circuit breaker

#22

20200027680

2020-01-23

Electromagnetic trip unit

#23

20190267201

2019-08-29

Circuit breaker handle connection structure

#24

20190139731

2019-05-09

Fully integrated manual opening mechanism on medium voltage circuit breaker

#25

20190103733

2019-04-04

Circuit breaker internal manipulator and door lock

#26

20190096619

2019-03-28

In multi-pole electronic circuit breakers preventing breaker armature from latching with cradle if certain criteria are met

#27

20180323600

2018-11-08

Circuit breaker lockout subassemblies, and circuit breakers and methods including same

#28

20180269021

2018-09-20

Magnetic trip device for circuit breaker

#29

20180240635

2018-08-23

Systems, apparatus, and methods for accessory tripping and resetting of electric circuit breakers

#30

20180190463

2018-07-05

Magnetic trip device for circuit breaker

#31

20180151320

2018-05-31

Two-level latch mechanism for operation mechanism of circuit breaker

#32

20180082810

2018-03-22

Switching device comprising a resetting device

#33

20180068819

2018-03-08

Breaker mechanism for an electrical circuit breaker and electrical circuit breaker with such a breaker mechanism

#34

20180040447

2018-02-08

Control system for a breaker pole with forcing, and breaker gear

#35

20180025878

2018-01-25

Electronic switching device including a lockable rotary handle having a position off feature

#36

20170194122

2017-07-06

Electrical switching apparatus, and movable arm assembly and movable arm therefor

#37

20170186579

2017-06-29

Multi-pole molded case circuit breaker with a safety device

#38

20170141549

2017-05-18

Electrical switchgear manual safety system and mechanisms

#39

20170062154

2017-03-02

Electrical switching apparatus, and operating handle assembly and trip cam therefor

#40

20160372280

2016-12-22

Manual operation device for low voltage switching apparatus

#41

20160300683

2016-10-13

Contact for bus plug switches

#42

20160260569

2016-09-08

Information display system for switching device, switching device, and method

#43

20160260560

2016-09-08

Switching device having terminal cover, and method

#44

20160217958

2016-07-28

Molded case circuit breaker

#45

20160211104

2016-07-21

Method for operating a circuit breaker and circuit breaker

#46

20160211103

2016-07-21

METHOD FOR OPERATING A CIRCUIT BREAKER AND CIRCUIT BREAKER

#47

20160141137

2016-05-19

Magnetic trip mechanism for circuit breaker

#48

20160099117

2016-04-07

Actuation system for an electrical switching device

#49

20160079024

2016-03-17

Circuit breaker having equalized poles

#50

20150235794

2015-08-20

Tri-stable flexure mechanism

#51

20150213988

2015-07-30

Trip device of molded case circuit breaker using a stair type hanger

#52

20150130567

2015-05-14

Overcurrent relay and molded case circuit breaker with the same

#53

20150035628

2015-02-05

Circuit breaker trip blocking apparatus, systems, and methods of operation

#54

20140246404

2014-09-04

Fast closing mechanism

#55

20140103013

2014-04-17

Circuit breaker with translating electrical contact, circuit breaker electrical contact assemblies, and operational methods

#56

20130206558

2013-08-15

Switching unit for an electrical switching device

#57

20130134983

2013-05-30

Method for evaluating the mechanical performances of a switchgear apparatus

#58

20120228096

2012-09-13

Interlock device of draw-out type circuit breaker, draw-out type circuit breaker, and power distribution board

#59

20120186963

2012-07-26

Circuit breaker

#60

20120181157

2012-07-19

Circuit breaker

#61

20120056700

2012-03-08

Mechanical override device

#62

20100072049

2010-03-25

ELECTRICAL SWITCH

#63

20090242367

2009-10-01

METHOD OF MONITORING THE POSITION OF A MOVABLE PART OF AN ELECTRICAL SWITCH APPARATUS

#64

20090127085

2009-05-21

Electrical switchgear unit such as a circuit breaker or switch

#65

20090065339

2009-03-12

Extended drive plate rotary handle

#66

20090000933

2009-01-01

Circuit breaker subassembly apparatus

#67

20080053803

2008-03-06

Switching instrument

#68

20070075808

2007-04-05

Multi-pole circuit breaker and apparatus for preventing deformation of driving shaft thereof

#69

20070075047

2007-04-05

Multi-pole circuit breaker

#70

20070046404

2007-03-01

Electrical switchgear

#71

20060267714

2006-11-30

Circuit breaker

#72

20050063107

2005-03-24

Medium voltage vacuum circuit interrupter

#73

19215594

2025-09-09

Handheld control device to mechanically operate molded case circuit breakers from a distance