IT1053498B - SAFETY SWITCH FOR FAULT CURRENTS WITH INTERRUPTION MECHANISM AND TEST BUTTON - Google Patents

SAFETY SWITCH FOR FAULT CURRENTS WITH INTERRUPTION MECHANISM AND TEST BUTTON

Info

Publication number
IT1053498B
IT1053498B IT48184/76A IT4818476A IT1053498B IT 1053498 B IT1053498 B IT 1053498B IT 48184/76 A IT48184/76 A IT 48184/76A IT 4818476 A IT4818476 A IT 4818476A IT 1053498 B IT1053498 B IT 1053498B
Authority
IT
Italy
Prior art keywords
safety switch
test button
fault currents
interruption mechanism
interruption
Prior art date
Application number
IT48184/76A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1053498B publication Critical patent/IT1053498B/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
    • H01H71/62—Manual reset mechanisms which may be also used for manual release with means for preventing resetting while abnormal condition persists, e.g. loose handle arrangement
    • 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
    • H01H25/00—Switches with compound movement of handle or other operating part
    • H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
    • 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
    • H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
IT48184/76A 1975-02-21 1976-02-19 SAFETY SWITCH FOR FAULT CURRENTS WITH INTERRUPTION MECHANISM AND TEST BUTTON IT1053498B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2507497A DE2507497C3 (en) 1975-02-21 1975-02-21 Residual current circuit breaker with switching mechanism and test button

Publications (1)

Publication Number Publication Date
IT1053498B true IT1053498B (en) 1981-08-31

Family

ID=5939464

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48184/76A IT1053498B (en) 1975-02-21 1976-02-19 SAFETY SWITCH FOR FAULT CURRENTS WITH INTERRUPTION MECHANISM AND TEST BUTTON

Country Status (7)

Country Link
JP (1) JPS51115669A (en)
CH (1) CH591761A5 (en)
DE (1) DE2507497C3 (en)
FR (1) FR2301912A1 (en)
GB (1) GB1494461A (en)
IT (1) IT1053498B (en)
SE (1) SE402670B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516700A1 (en) * 1981-11-13 1983-05-20 Hager Electro IMPROVEMENTS IN KNEE-TYPE FREE TRIGGERING MECHANISMS FOR DIFFERENTIAL CIRCUIT BREAKERS AND THE LIKE AND DIFFERENTIAL CIRCUIT BREAKERS COMPRISING SUCH A MECHANISM
GB2139002A (en) * 1983-04-27 1984-10-31 Hotpoint Ltd Actuators
DE3342468A1 (en) * 1983-11-24 1985-06-05 Brown, Boveri & Cie Ag, 6800 Mannheim ELECTRICAL SWITCHGEAR
CN101681733B (en) * 2007-04-19 2012-08-29 Abb股份有限公司 Locking device for an installation switch device
CN106683922B (en) * 2016-12-14 2018-10-09 国家电网公司 A kind of high-voltage circuitbreaker propulsion closing locking device

Also Published As

Publication number Publication date
FR2301912A1 (en) 1976-09-17
DE2507497A1 (en) 1976-08-26
CH591761A5 (en) 1977-09-30
GB1494461A (en) 1977-12-07
DE2507497B2 (en) 1977-10-13
FR2301912B1 (en) 1980-02-08
DE2507497C3 (en) 1978-05-18
SE402670B (en) 1978-07-10
JPS51115669A (en) 1976-10-12
SE7602041L (en) 1976-08-23

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