GB2231453B - Electrical circuit breakers - Google Patents

Electrical circuit breakers

Info

Publication number
GB2231453B
GB2231453B GB9005340A GB9005340A GB2231453B GB 2231453 B GB2231453 B GB 2231453B GB 9005340 A GB9005340 A GB 9005340A GB 9005340 A GB9005340 A GB 9005340A GB 2231453 B GB2231453 B GB 2231453B
Authority
GB
United Kingdom
Prior art keywords
electrical circuit
circuit breakers
breakers
electrical
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9005340A
Other versions
GB9005340D0 (en
GB2231453A (en
Inventor
Anthony Dennis Mallindine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Publication of GB9005340D0 publication Critical patent/GB9005340D0/en
Publication of GB2231453A publication Critical patent/GB2231453A/en
Application granted granted Critical
Publication of GB2231453B publication Critical patent/GB2231453B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H01R13/7135—Structural association with built-in electrical component with built-in switch the switch being a safety switch with ground fault protector
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—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
    • H02H3/26—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
GB9005340A 1989-03-18 1990-03-09 Electrical circuit breakers Expired - Fee Related GB2231453B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898906270A GB8906270D0 (en) 1989-03-18 1989-03-18 Electrical circuit breakers

Publications (3)

Publication Number Publication Date
GB9005340D0 GB9005340D0 (en) 1990-05-02
GB2231453A GB2231453A (en) 1990-11-14
GB2231453B true GB2231453B (en) 1993-06-09

Family

ID=10653599

Family Applications (3)

Application Number Title Priority Date Filing Date
GB898906270A Pending GB8906270D0 (en) 1989-03-18 1989-03-18 Electrical circuit breakers
GB9005340A Expired - Fee Related GB2231453B (en) 1989-03-18 1990-03-09 Electrical circuit breakers
GB9005333A Withdrawn GB2231215A (en) 1989-03-18 1990-03-09 Residual current circuit breaker

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898906270A Pending GB8906270D0 (en) 1989-03-18 1989-03-18 Electrical circuit breakers

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9005333A Withdrawn GB2231215A (en) 1989-03-18 1990-03-09 Residual current circuit breaker

Country Status (1)

Country Link
GB (3) GB8906270D0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9308323D0 (en) * 1993-04-22 1993-06-09 Smiths Industries Plc Electrical circuit breakers
US6340926B1 (en) * 1999-12-22 2002-01-22 Defond Manufacturing Limited Power plug with circuit breaker
CN201345458Y (en) * 2008-11-26 2009-11-11 嘉力时(集团)有限公司 Power socket
US20140340804A1 (en) * 2012-03-23 2014-11-20 Tripco Limited Electromagnetic switch for use with electrical equipment
GB2533365B (en) 2014-12-18 2017-02-08 Shakira Ltd Residual Current Devices
GB2591528B (en) * 2020-05-06 2022-02-23 Luceco Plc Electrical power outlet
GB2615893A (en) * 2023-01-18 2023-08-23 Power Logic South Africa Pty Ltd Over-current protection for power outlet

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2158656A (en) * 1984-05-11 1985-11-13 Kun Shan Chen Thermally actuated contact breaker
GB2177544A (en) * 1985-04-13 1987-01-21 Mk Electric Ltd Electrical devices provided with circuit-breakers
GB2186445A (en) * 1986-02-11 1987-08-12 B & R Electrical Prod Ltd Socket having residual current circuit breaker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555359A (en) * 1967-08-07 1971-01-12 Hubbell Inc Harvey Circuit protective device
US3638072A (en) * 1969-03-19 1972-01-25 Matsushita Electric Works Ltd Detecting device for abnormal state in electric circuit
US3614533A (en) * 1970-05-20 1971-10-19 Rucker Co Ground fault detector and circuit interrupter by magnetic flux storage method
US3848159A (en) * 1973-06-18 1974-11-12 Airpax Electronics Ground fault detector circuit with feedback to sensor
US3953767A (en) * 1974-04-15 1976-04-27 Rca Corporation Ground fault detection apparatus
US3891895A (en) * 1974-04-15 1975-06-24 Rca Corp Ground fault detection

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2158656A (en) * 1984-05-11 1985-11-13 Kun Shan Chen Thermally actuated contact breaker
GB2177544A (en) * 1985-04-13 1987-01-21 Mk Electric Ltd Electrical devices provided with circuit-breakers
GB2186445A (en) * 1986-02-11 1987-08-12 B & R Electrical Prod Ltd Socket having residual current circuit breaker

Also Published As

Publication number Publication date
GB9005340D0 (en) 1990-05-02
GB2231215A (en) 1990-11-07
GB2231453A (en) 1990-11-14
GB8906270D0 (en) 1989-05-04
GB9005333D0 (en) 1990-05-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970309