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FR2754949B1 - THERMAL PROTECTION DIFFERENTIAL SWITCH - Google Patents

THERMAL PROTECTION DIFFERENTIAL SWITCH

Info

Publication number
FR2754949B1
FR2754949B1 FR9612926A FR9612926A FR2754949B1 FR 2754949 B1 FR2754949 B1 FR 2754949B1 FR 9612926 A FR9612926 A FR 9612926A FR 9612926 A FR9612926 A FR 9612926A FR 2754949 B1 FR2754949 B1 FR 2754949B1
Authority
FR
France
Prior art keywords
thermal protection
differential switch
protection differential
switch
thermal
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
FR9612926A
Other languages
French (fr)
Other versions
FR2754949A1 (en
Inventor
Michel Bonniau
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.)
Schneider Electric SE
Original Assignee
Schneider Electric SE
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 Schneider Electric SE filed Critical Schneider Electric SE
Priority to FR9612926A priority Critical patent/FR2754949B1/en
Publication of FR2754949A1 publication Critical patent/FR2754949A1/en
Application granted granted Critical
Publication of FR2754949B1 publication Critical patent/FR2754949B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/334—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/048—Fuse resistors
    • H01H2085/0483—Fuse resistors with temperature dependent resistor, e.g. thermistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thermally Actuated Switches (AREA)
FR9612926A 1996-10-18 1996-10-18 THERMAL PROTECTION DIFFERENTIAL SWITCH Expired - Fee Related FR2754949B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9612926A FR2754949B1 (en) 1996-10-18 1996-10-18 THERMAL PROTECTION DIFFERENTIAL SWITCH

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9612926A FR2754949B1 (en) 1996-10-18 1996-10-18 THERMAL PROTECTION DIFFERENTIAL SWITCH

Publications (2)

Publication Number Publication Date
FR2754949A1 FR2754949A1 (en) 1998-04-24
FR2754949B1 true FR2754949B1 (en) 2003-04-25

Family

ID=9496948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9612926A Expired - Fee Related FR2754949B1 (en) 1996-10-18 1996-10-18 THERMAL PROTECTION DIFFERENTIAL SWITCH

Country Status (1)

Country Link
FR (1) FR2754949B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2850803B1 (en) * 2003-02-04 2005-04-22 Schneider Electric Ind Sas INTERRUPTION DEVICE HAVING DIFFERENTIAL PROTECTION AND THERMAL PROTECTIION
DE102008017499A1 (en) * 2008-04-04 2009-10-08 Doepke Schaltgeräte GmbH & Co. KG Fault current protective switch device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2087625A5 (en) * 1970-05-26 1971-12-31 Seine Ind Electr
CH495627A (en) * 1970-08-04 1970-08-31 Carl Maier & Cie Elek Sche Sch Residual current circuit breaker
WO1995026586A1 (en) * 1994-03-28 1995-10-05 Felten & Guilleaume Austria Ag Thermal overload protection for switches

Also Published As

Publication number Publication date
FR2754949A1 (en) 1998-04-24

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
CD Change of name or company name
CJ Change in legal form
ST Notification of lapse

Effective date: 20150630