ClassID:

203577

H01H71/501 - 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 Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker

Sub-classes:
Recent Application in this class:
#1
20250157771
2025-05-15

CIRCUIT BREAKER INTERLOCK MECHANISM

#2
20230368999
2023-11-16

Electrical overload protection device and method of use

#3
20220415588
2022-12-29

POWER SWITCH ENCLOSURE

#4
20200303149
2020-09-24

Operating attachment

#5
20200144002
2020-05-07

Power switch enclosure

#6
20190148086
2019-05-16

Low profile circuit breaker with self cleaning contacts

#7
20180301309
2018-10-18

Fusion welding isolation mechanism for operation mechanism of circuit breaker

#8
20180166227
2018-06-14

Removable switching element for an electrical switching device and switching device for switching an electric current comprising such a removable element

#9
20180122610
2018-05-03

Operation mechanism of circuit breaker

#10
20180061592
2018-03-01

Monitoring and responding to an abnormal condition associated with energizing of poles of a circuit breaker

#11
20180040447
2018-02-08

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

#12
20180012709
2018-01-11

Power switch enclosure

#13
20170236671
2017-08-17

Multi-pole molded case circuit breaker

#14
20170186579
2017-06-29

Multi-pole molded case circuit breaker with a safety device

#15
20160217958
2016-07-28

Molded case circuit breaker

#16
20130220787
2013-08-29

Switching apparatus

#17
20100294632
2010-11-25

Safety rotary operator assembly

#18
20100193339
2010-08-05

Switching mechanism for a switching device having a switching lever which remains in an intermediate switch position when a contact element is welded and when an opening operation is carried out

#19
20100163382
2010-07-01

Switching mechanism capable of indicating contacts status and mold cased circuit breaker having the same mechanism

#20
20090230090
2009-09-17

VACUUM SWITCH

#21
20090057118
2009-03-05

Extended drive plate deliberate action rotary handle

#22
20090039988
2009-02-12

Molded case circuit breaker with contact on mechanism

#23
20070215577
2007-09-20

Mold cased circuit breaker

#24
20060278516
2006-12-14

Actuating device for an electrical switch device with rotational locking means

#25
20050051414
2005-03-10

Circuit breaker handle block