ZA791814B - Small device for differential switches of high and ultra-high sensitivity and operated by triggers which are very sensitive mechanically - Google Patents

Small device for differential switches of high and ultra-high sensitivity and operated by triggers which are very sensitive mechanically

Info

Publication number
ZA791814B
ZA791814B ZA791814A ZA791814A ZA791814B ZA 791814 B ZA791814 B ZA 791814B ZA 791814 A ZA791814 A ZA 791814A ZA 791814 A ZA791814 A ZA 791814A ZA 791814 B ZA791814 B ZA 791814B
Authority
ZA
South Africa
Prior art keywords
triggers
ultra
operated
small device
differential switches
Prior art date
Application number
ZA791814A
Inventor
R Monterosso
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of ZA791814B publication Critical patent/ZA791814B/en

Links

Classifications

    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
    • 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
    • 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
ZA791814A 1978-04-17 1979-04-17 Small device for differential switches of high and ultra-high sensitivity and operated by triggers which are very sensitive mechanically ZA791814B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22387/78A IT1094409B (en) 1978-04-17 1978-04-17 MECHANISM PARTICULARLY SUITABLE FOR MAKING MINIATURIZED DIFFERENTIAL SWITCHES WITH HIGH AND VERY HIGH SENSITIVITY, AND FOR BEING OPERATED BY VERY SENSITIVE AND MECHANICALLY DELICATE RELEASES

Publications (1)

Publication Number Publication Date
ZA791814B true ZA791814B (en) 1980-05-28

Family

ID=11195584

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA791814A ZA791814B (en) 1978-04-17 1979-04-17 Small device for differential switches of high and ultra-high sensitivity and operated by triggers which are very sensitive mechanically

Country Status (3)

Country Link
DE (1) DE2914743C2 (en)
IT (1) IT1094409B (en)
ZA (1) ZA791814B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915091C2 (en) * 1979-04-12 1981-07-30 Siemens AG, 1000 Berlin und 8000 München Residual current circuit breaker
DE3007243C2 (en) * 1980-02-27 1984-10-18 Brown, Boveri & Cie Ag, 6800 Mannheim Residual current circuit breaker
DE3032826C2 (en) * 1980-08-30 1985-11-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Residual current circuit breaker with a test button for switching on a resistor in a test circuit
DE3643511A1 (en) * 1986-12-19 1988-06-30 Felten & Guilleaume Energie MECHANISM FOR A FAULT CIRCUIT BREAKER COMBINED WITH A CIRCUIT BREAKER
US5179364A (en) * 1990-08-02 1993-01-12 Terry Marquardt Overload relay
DE19735413B4 (en) * 1997-08-14 2007-11-29 Siemens Ag Tripping device for a circuit breaker
CN107833804B (en) * 2017-10-26 2019-08-20 上海良信电器股份有限公司 A kind of locking device of breaker operating device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1259447B (en) * 1963-09-19 1968-01-25 Schutzapp Ges Paris & Co M B H Residual current circuit breaker with a double toggle switch lock, a release lever and an electromagnetic release
DE2220558C3 (en) * 1972-04-26 1975-07-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Residual current circuit breaker

Also Published As

Publication number Publication date
IT1094409B (en) 1985-08-02
IT7822387A0 (en) 1978-04-17
DE2914743A1 (en) 1979-10-25
DE2914743C2 (en) 1984-04-26

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