ClassID:

202883

H01H33/26 - CPC Classification

Classification description:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Details Means for detecting the presence of an arc or other discharge

Recent Application in this class:
#1
20250112011
2025-04-03

HIGH VOLTAGE DC CONTACTOR ISOLATION VIA ELECTROMECHANICAL ACTUATION

#2
20250046547
2025-02-06

SWITCHING DEVICE

#3
20240305085
2024-09-12

Temperature sensor for arc detection

#4
20230197377
2023-06-22

Enabling equipment to withstand and control the effects of internal arcing faults

#5
20210239368
2021-08-05

Electrocaloric heat transfer system

#6
20210173015
2021-06-10

Multiple arc fault/ground fault signal path

#7
20210118635
2021-04-22

Arc flash detection systems

#8
20210118634
2021-04-22

Coupler for arc flash detection systems

#9
20200083677
2020-03-12

Arc resistant exhaust and intake for drives and switchgear

#10
20190389311
2019-12-26

Electric system

#11
20180254159
2018-09-06

Intelligent integrated medium-voltage AC vacuum switchgear based on flexible switching-closing technology

#12
20180212416
2018-07-26

Device for recognizing an arcing fault, and electrical switchgear

#13
20180003555
2018-01-04

Arc light sensor and arc light detection method

#14
20170373475
2017-12-28

Sensor system for switchgear assemblies

#15
20170256369
2017-09-07

Switching device for an electrical circuit and a method for controlling such switching device

#16
20170250527
2017-08-31

Gas-insulated switching apparatus

#17
20170170644
2017-06-15

Method and circuit for detecting an electric arc in a circuit, and switching device using such a circuit

#18
20150270080
2015-09-24

Vacuum monitoring device

#19
20150177279
2015-06-25

Electromagnetic wave identification method and identification device

#20
20150108091
2015-04-23

Bypass switch assembly

#21
20140210485
2014-07-31

Method and apparatus for detecting an arc in a DC circuit

#22
20140166622
2014-06-19

Tank-type circuit breaker

#23
20140158666
2014-06-12

Arc mitigation assembly and method of assembly to avoid ground strike

#24
20140055886
2014-02-27

Circuit breaker signaling system for control of an arc fault detection system

#25
20140054270
2014-02-27

Arc detection with resistance to nuisance activation through light subtraction

#26
20140028319
2014-01-30

Tank-type switching device

#27
20140012523
2014-01-09

Preventive diagnostic system for GIS based on IEC 61850

#28
20120306656
2012-12-06

Gas density monitoring system

#29
20120036677
2012-02-16

Method for manufacturing a composite bushing, and partial discharge diagnostic system for composite bushing

#30
20110036175
2011-02-17

Apparatus and method for high frequency low pressure arc flash sensor

#31
20100321838
2010-12-23

ARC flash detection system

#32
20100259275
2010-10-14

Device for detecting and locating electric discharges in fluid-insulated electrical equipment

#33
20100142103
2010-06-10

Compact secondary substation comprising a fault protection system, a method for fault protection in a compact secondary substation, and a control unit for performing the method

#34
20080103712
2008-05-01

Diagnosis Apparatus For Switchgear

#35
20080087115
2008-04-17

Sensor attached IC tag application high voltage equipment

#36
20070001677
2007-01-04

Device for detecting contact wear in switching appliances