ClassID:

216669

H02H3/025 - CPC Classification

Classification description:

Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection; Details Disconnection after limiting, e.g. when limiting is not sufficient or for facilitating disconnection

Recent Application in this class:
#1
20260112883
2026-04-23

A Protection Method for an Electrical Collection System

#2
20260112877
2026-04-23

Power Supplies with Overcurrent Protection and Single-Point Fault Protection

#3
20260106447
2026-04-16

CURRENT RETURN CHANNEL AND METHOD FOR THE USE OF A RESIDUAL CURRENT DEVICE WITH A DIFFERENTIAL CURRENT SENSOR IN AN UNGROUNDED DC POWER SUPPLY SYSTEM

#4
20260045784
2026-02-12

Earth leakage breaker systems with leakage current limiting function

#5
20260039105
2026-02-05

SOLID-STATE CIRCUIT BREAKER CONFIGURED WITH AT LEAST ONE FAIL-OPEN MECHANISM AND PROCESS OF IMPLEMENTING THE SAME

#6
20260027907
2026-01-29

APPARATUS FOR AN INDUCTIVE CHARGING SYSTEM, AND INDUCTIVE CHARGING SYSTEM

#7
20260012007
2026-01-08

CURRENT LIMITING DEVICES

#8
20250364798
2025-11-27

Pulse Width Modulated Fault Managed Power Systems

#9
20250357743
2025-11-20

SWITCHING APPARATUS FOR DC ELECTRIC GRIDS

#10
20250253648
2025-08-07

FAULT CURRENT LIMITING SOLID-STATE SWITCHING DEVICE

#11
20250253647
2025-08-07

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#12
20250141206
2025-05-01

GROUND FAULT CIRCUIT INTERRUPTER DEVICES AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#13
20250141203
2025-05-01

Electronic Circuit Arrangement for Current Limitation

#14
20250087987
2025-03-13

TIMER-BASED FAULT PROTECTION CIRCUIT

#15
20250062609
2025-02-20

Voltage Limiting Device for Constant Current Circuits

#16
20240388080
2024-11-21

SOLID STATE CIRCUIT BREAKER AND CONTROL METHOD THEREFOR

#17
20240313521
2024-09-19

Photovoltaic rapid shutdown and arc sensing system

#18
20240195303
2024-06-13

Buck-boost converter for contactor drive

#19
20240195166
2024-06-13

Circuit Breakers and Circuit Breaker Operational Methods

#20
20240162700
2024-05-16

Photovoltaic rapid shutdown and arc sensing system

#21
20240096526
2024-03-21

MODULAR SURGE PROTECTOR

#22
20230402830
2023-12-14

Photovoltaic rapid shutdown and arc sensing system

#23
20230396053
2023-12-07

Surge protective devices, circuits, modules and systems including same

#24
20230352949
2023-11-02

Systems and methods for overvoltage protection on loads for use in an electric aircraft

#25
20230308089
2023-09-28

High-side semiconductor switch with over-current protection

#26
20230124793
2023-04-20

Fault current limiter circuit breaker

#27
20220360067
2022-11-10

Devices and methods for current interrupting using current diversion path

#28
20220329059
2022-10-13

POWER SUPPLY DELIVERY SYSTEM FOR SPLITTING AND COMBINING POWER

#29
20220190582
2022-06-16

Hybrid switching apparatus for electric grids

#30
20220131368
2022-04-28

Energy reducing maintenance switch system and method for implementing an energy reducing maintenance switch system

#31
20220131360
2022-04-28

Device for communication between a controller and a field device

#32
20220102967
2022-03-31

Pulse circuit for providing a fault current in a DC voltage power supply grid

#33
20220085600
2022-03-17

Intelligent current limiting for solid-state switching

#34
20220085599
2022-03-17

Overcurrent protection by depletion mode MOSFET or JFET and bi-metallic temperature sensing switch in mini circuit breaker

#35
20210408779
2021-12-30

Depletion mode MOSFET for overcurrent protection

#36
20210376590
2021-12-02

Multi-circuit DC breaking system

#37
20210359507
2021-11-18

Ground fault protection circuit and techniques

#38
20210257825
2021-08-19

Method and apparatus for preventing same building solar panel produced voltage spikes on a neighbor's electric utility service

#39
20210175705
2021-06-10

Fault current controller for a direct current power grid

#40
20210135449
2021-05-06

Aircraft comprising a direct current electrical network and a protection system for said network

#41
20210104372
2021-04-08

Three phase surge protection device

#42
20210098982
2021-04-01

SHORT-CIRCUIT PROTECTION SOLUTION FOR POWER DEVICES

#43
20210066943
2021-03-04

System and method for thermal cutoff protection device control from an external component

#44
20200366089
2020-11-19

Circuit arrangement for combined protection of a load from temporary and transient overvoltages

#45
20200335961
2020-10-22

Systems and methods for extending fault timer to prevent overcurrent protection shutdown during powering on of information handling system

#46
20200266624
2020-08-20

Fault current mitigation method and system for solid state circuit breaker

#47
20200235572
2020-07-23

Surge protection device

#48
20200203943
2020-06-25

INTELLIGENT TRI-MODE SOLID STATE CIRCUIT BREAKERS

#49
20200176968
2020-06-04

POWER DISTRIBUTION UNIT WITH AGGREGATE CURRENT CONTROL

#50
20200156571
2020-05-21

Power supply box having a bypass

#51
20200091700
2020-03-19

Solid state power controller

#52
20200086743
2020-03-19

Vehicle and method of delivering electrical current to an outlet on the vehicle

#53
20200083696
2020-03-12

Power supply delivery system for splitting and combining power

#54
20200058454
2020-02-20

Low-voltage circuit breaker device

#55
20200006933
2020-01-02

High-voltage DC cut-off device

#56
20190386480
2019-12-19

Protected idle mode bypassing power stage

#57
20190363532
2019-11-28

Arc flash reduction maintenance system with pyrotechnic circuit protection modules

#58
20190348924
2019-11-14

Motor drive architecture for variable frequency alternating current loads

#59
20190318888
2019-10-17

Extended protection surge arrester device

#60
20190279829
2019-09-12

Low-voltage circuit breaker device

#61
20190229525
2019-07-25

Low-voltage protective switching device

#62
20190199082
2019-06-27

Disconnecting device

#63
20190181629
2019-06-13

System and method for managing power consumption during a fault condition

#64
20190052075
2019-02-14

Overcurrent trip coordination between inverter and circuit breakers

#65
20190044318
2019-02-07

Circuit for breaking alternating current

#66
20190027922
2019-01-24

Circuit for breaking alternating current

#67
20180375505
2018-12-27

System and method for limting currents in a power distribution system

#68
20180366289
2018-12-20

Electrical protection unit including a current limiter device

#69
20180351015
2018-12-06

Protective circuit for a photovoltaic (PV) module, method for operating the protective circuit, and photovoltaic (PV) system having such a protective circuit

#70
20180331532
2018-11-15

ALTERNATING-CURRENT POWER SWITCH AND METHOD FOR SWITCHING AN ALTERNATING CURRENT

#71
20180294646
2018-10-11

Inrush control with multiple switches

#72
20180175611
2018-06-21

Inrush current prevention circuit, inrush current prevention method, and computer readable medium

#73
20180123337
2018-05-03

System and method for managing short-circuits in a meshed electrical energy distribution network of an aircraft

#74
20180076611
2018-03-15

Energy supply

#75
20180062377
2018-03-01

Power supply device, detection circuit and power supply method thereof

#76
20180062374
2018-03-01

Surge protection device

#77
20180061562
2018-03-01

INDUCTOR AND PROTECTION CIRCUIT

#78
20170366179
2017-12-21

Control device for power supply line

#79
20170331281
2017-11-16

DC electrical network

#80
20170285713
2017-10-05

Intrinsically safe power conditioning circuit

#81
20170279268
2017-09-28

Power switch module, smart grid power supply arrangement and method therefor

#82
20170263166
2017-09-14

Route protection circuit and liquid crystal display

#83
20170201088
2017-07-13

Surge voltage protection apparatus

#84
20170187179
2017-06-29

JUNCTION BOX

#85
20170178832
2017-06-22

Breaker device for interrupting current on a transmission line

#86
20170063074
2017-03-02

Overcurrent protective device, electronic apparatus, integrated circuit, and signal transmission circuit

#87
20170054291
2017-02-23

Fault protection in converter-based DC distribution systems

#88
20160379789
2016-12-29

Circuit breaker with current limiting and high speed fault capability

#89
20160359311
2016-12-08

Method for limiting current in a circuit

#90
20160322803
2016-11-03

Cable protection device

#91
20160308351
2016-10-20

Current limiting device

#92
20160254658
2016-09-01

Robust solid-state circuit protection apparatus

#93
20160203932
2016-07-14

Circuit breaker with hybrid switch

#94
20160126718
2016-05-05

Semiconductor device

#95
20160072401
2016-03-10

Power conversion device

#96
20160048149
2016-02-18

Current limiter

#97
20150369217
2015-12-24

Method of operating a wind turbine plant

#98
20150355236
2015-12-10

Protective relaying system and method for gathering data using thereof

#99
20150280425
2015-10-01

Power switch device

#100
20150280416
2015-10-01

Controlled switch-off of a power switch

#101
20150244162
2015-08-27

Surge arrester

#102
20150236502
2015-08-20

Circuit breaker

#103
20150236497
2015-08-20

Fault current limiter arrangement

#104
20150194810
2015-07-09

Smart transformer

#105
20150154486
2015-06-04

Protection of an NFC or RFID radio in the presence of strong electromagnetic fields

#106
20150138683
2015-05-21

Fault current limiter

#107
20150085416
2015-03-26

Integrated circuit with protection function

#108
20150044528
2015-02-12

Overcurrent shut-off device and secondary battery system comprising the same

#109
20150016005
2015-01-15

Inrush control with multiple switches

#110
20140354039
2014-12-04

Electrical protection using a semiconductor switch

#111
20140307358
2014-10-16

Battery circuit fault protection in uninterruptable power sources

#112
20140184185
2014-07-03

Electric system comprising a load driving apparatus by auto-recovery mode, and method of operating the apparatus

#113
20140177120
2014-06-26

System and method for fault protection

#114
20140117776
2014-05-01

Switching device

#115
20140071572
2014-03-13

Surge protection device

#116
20140055898
2014-02-27

Devices and methods for overvoltage protection

#117
20140029149
2014-01-30

Surge protection device

#118
20140028094
2014-01-30

Power management and distribution with auxiliary DC bus

#119
20130278078
2013-10-24

Method, circuit breaker and switching unit for switching off high-voltage DC currents

#120
20130050881
2013-02-28

PLANT FOR TRANSMITTING HIGH VOLTAGE DC ELECTRIC POWER INCLUDING OVERVOLTAGE PROTECTION

#121
20130050880
2013-02-28

Solid state power controller for high voltage direct current systems

#122
20130038975
2013-02-14

High voltage DC breaker apparatus

#123
20130027829
2013-01-31

System and method for protecting an electrical grid against faults

#124
20130021707
2013-01-24

Protection coordination system

#125
20130021706
2013-01-24

Fault current limiter

#126
20130003233
2013-01-03

Arc fault protection circuit and method

#127
20120320478
2012-12-20

Overcurrent limiting for high side solenoid switch controls

#128
20120293892
2012-11-22

POWER PROTECTION CIRCUIT

#129
20120287544
2012-11-15

ISOLATION-TYPE AC FAULT CURRENT LIMITED CIRCUIT

#130
20120249066
2012-10-04

CHARGING APPARATUS

#131
20120162841
2012-06-28

Protection circuit and protection method thereof

#132
20120120538
2012-05-17

Circuit Protection Device

#133
20120089268
2012-04-12

Smart transformer

#134
20120081825
2012-04-05

Protection apparatus for load circuit

#135
20120063048
2012-03-15

Active current surge limiters with voltage detector and relay

#136
20120063047
2012-03-15

Active current surge limiters with disturbance sensor and multistage current limiting

#137
20120044603
2012-02-23

Quench detection system for a superconductor fault current limiter

#138
20120032520
2012-02-09

Reduction of inrush current due to voltage sags with switch and shunt resistance

#139
20110317321
2011-12-29

Short circuit protection device and switchgear assembly having such protection devices

#140
20110304942
2011-12-15

SSPC with dual fault detectors

#141
20110071697
2011-03-24

Smart transformer

#142
20100224452
2010-09-09

Limitation of the loading of a power source

#143
20100214702
2010-08-26

OVER-CURRENT PROTECTION CIRCUIT AND MOTOR CONTROLLER COMPRISING THE SAME

#144
20100208406
2010-08-19

CIRCUIT PROTECTION DEVICE

#145
20090296298
2009-12-03

Active current surge limiters

#146
20090231773
2009-09-17

Transient blocking unit using normally-off device to detect current trip threshold

#147
20090207545
2009-08-20

Protection circuit with variable current level limits

#148
20090167537
2009-07-02

MINIMIZING ELECTRICAL OUTLET SAFETY FAILURES DUE TO OVER TEMPERATURE CONDITION

#149
20090154045
2009-06-18

Power supply system and method

#150
20080062603
2008-03-13

Apparatus and method for overload protection of electronic circuitry

#151
20080043382
2008-02-21

COMPLEX SUPERCONDUCTING FAULT CURRENT LIMITER

#152
20070217105
2007-09-20

Electric power network

#153
20070139832
2007-06-21

Electric power circuit protecting apparatus using superconductor

#154
20070139830
2007-06-21

Micro-electromechanical system based soft switching

#155
20070008664
2007-01-11

Method and electronic power supply device for supplying power to a low-voltage load protected by a protective device

#156
20060285264
2006-12-21

Transient blocking apparatus with reset

#157
20060198074
2006-09-07

Semiconductor integrated-circuit unit with temperature protective circuit

#158
20060181156
2006-08-17

Protective circuit for intrinsically safe electro-magnetic actuators, and protective circuit for intrinsically safe energy supply systems

#159
20060120000
2006-06-08

Electronic circuit breaker

#160
20060114632
2006-06-01

Sensor protection circuit

#161
20050286195
2005-12-29

Overcurrent protection circuit including auto-reset breaker and PTC resistor

#162
20050281065
2005-12-22

Inverter bridge controller implementing short-circuit protection scheme

#163
20050135037
2005-06-23

Electronic fuse

#164
20050127773
2005-06-16

Rotating asynchronous converter and a generator device

#165
20050052797
2005-03-10

Protection device for power source and electronic device

#166
17073624
2021-12-07

Digital device using three states

#167
14058752
2016-08-02

Combined subtransient current suppression and overvoltage transient protection