AT288524B - Residual current circuit breaker with temperature monitoring - Google Patents

Residual current circuit breaker with temperature monitoring

Info

Publication number
AT288524B
AT288524B AT247068A AT247068A AT288524B AT 288524 B AT288524 B AT 288524B AT 247068 A AT247068 A AT 247068A AT 247068 A AT247068 A AT 247068A AT 288524 B AT288524 B AT 288524B
Authority
AT
Austria
Prior art keywords
circuit breaker
current circuit
temperature monitoring
residual current
residual
Prior art date
Application number
AT247068A
Other languages
German (de)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT288524B publication Critical patent/AT288524B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/008—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for protective arrangements according to this subclass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • H01H2083/045—Auxiliary switch opening testing circuit in synchronism with the main circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Thermally Actuated Switches (AREA)
AT247068A 1967-06-03 1968-03-13 Residual current circuit breaker with temperature monitoring AT288524B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0110164 1967-06-03

Publications (1)

Publication Number Publication Date
AT288524B true AT288524B (en) 1971-03-10

Family

ID=7530025

Family Applications (1)

Application Number Title Priority Date Filing Date
AT247068A AT288524B (en) 1967-06-03 1968-03-13 Residual current circuit breaker with temperature monitoring

Country Status (3)

Country Link
AT (1) AT288524B (en)
CH (1) CH469383A (en)
FR (1) FR1583880A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412273A1 (en) * 1984-04-02 1985-10-10 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Line protection circuit breaker having a differential-current trip device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5966281A (en) * 1998-05-06 1999-10-12 Square D Company Circuit breaker with thermal sensing unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412273A1 (en) * 1984-04-02 1985-10-10 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Line protection circuit breaker having a differential-current trip device

Also Published As

Publication number Publication date
CH469383A (en) 1969-02-28
FR1583880A (en) 1969-12-05
DE1588723A1 (en) 1970-12-23
DE1588723B2 (en) 1972-10-12

Similar Documents

Publication Publication Date Title
CH468145A (en) Electrical circuit assembly with cooling device
AT278143B (en) Electrical switchgear
AT259054B (en) Residual current circuit breaker with additional overcurrent release
CH482283A (en) Circuit breaker
CH460140A (en) Electrical socket with residual current protection
BR6793852D0 (en) IMPROVEMENTS ON AN ELECTRIC CIRCUIT BREAKER
DK137556B (en) Current limiting circuit breaker.
CH456725A (en) Low-liquid circuit breaker
AT269982B (en) Multipole residual current circuit breaker
AT295631B (en) Electrical switch with mercury-wetted contacts
CH462938A (en) Thermal circuit breaker
CH470074A (en) Residual current circuit breaker with overcurrent release
AT280398B (en) Switch disconnectors
CH456750A (en) Electric fuse
AT288524B (en) Residual current circuit breaker with temperature monitoring
DK143579C (en) VOLTAGE CONTROLLER WITH SELVOSCILLING SWITCH CIRCUIT
CH460139A (en) Residual current device with test circuit
CH475661A (en) Residual current circuit breaker
NL149614B (en) ELECTRICAL COOLING DEVICE.
FR1534527A (en) Electric circuit breakers
AT278145B (en) Circuit breaker
AT280388B (en) Residual current circuit breaker
IL30771A0 (en) Line current sensing circuit
CH481538A (en) Circuit arrangement for loop current monitoring
BR6801786D0 (en) ELECTRIC CIRCUIT

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee