IT983970B - ELECTRIC SWITCH FOR PROTECTION AGAINST Leakage Currents - Google Patents

ELECTRIC SWITCH FOR PROTECTION AGAINST Leakage Currents

Info

Publication number
IT983970B
IT983970B IT2315273A IT2315273A IT983970B IT 983970 B IT983970 B IT 983970B IT 2315273 A IT2315273 A IT 2315273A IT 2315273 A IT2315273 A IT 2315273A IT 983970 B IT983970 B IT 983970B
Authority
IT
Italy
Prior art keywords
protection against
electric switch
leakage currents
against leakage
currents
Prior art date
Application number
IT2315273A
Other languages
Italian (it)
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 IT983970B publication Critical patent/IT983970B/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
    • H01H83/02—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
IT2315273A 1972-04-26 1973-04-19 ELECTRIC SWITCH FOR PROTECTION AGAINST Leakage Currents IT983970B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722220558 DE2220558C3 (en) 1972-04-26 1972-04-26 Residual current circuit breaker

Publications (1)

Publication Number Publication Date
IT983970B true IT983970B (en) 1974-11-11

Family

ID=5843378

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2315273A IT983970B (en) 1972-04-26 1973-04-19 ELECTRIC SWITCH FOR PROTECTION AGAINST Leakage Currents

Country Status (8)

Country Link
JP (1) JPS5335256B2 (en)
AT (1) AT323276B (en)
CH (1) CH548682A (en)
DE (1) DE2220558C3 (en)
DK (1) DK134339C (en)
ES (1) ES414051A1 (en)
FR (1) FR2182113B1 (en)
IT (1) IT983970B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223367U (en) * 1975-08-08 1977-02-18
IT1094409B (en) * 1978-04-17 1985-08-02 Elettrocontutture Spa 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
DE2834327C2 (en) * 1978-08-04 1983-01-13 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Full electrical circuit breaker
DE2915091C2 (en) * 1979-04-12 1981-07-30 Siemens AG, 1000 Berlin und 8000 München Residual current circuit breaker
DE3111201A1 (en) * 1981-03-21 1982-09-30 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Tripping device, which is free of auxiliary energy, in switching installations
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
DE102004005985A1 (en) * 2004-02-06 2005-09-08 Siemens Ag Residual Current Circuit breaker

Also Published As

Publication number Publication date
DE2220558B2 (en) 1974-12-19
CH548682A (en) 1974-04-30
FR2182113A1 (en) 1973-12-07
DK134339B (en) 1976-10-18
AT323276B (en) 1975-07-10
DK134339C (en) 1977-04-12
JPS4954868A (en) 1974-05-28
ES414051A1 (en) 1976-02-01
JPS5335256B2 (en) 1978-09-26
FR2182113B1 (en) 1977-02-04
DE2220558A1 (en) 1973-11-08
DE2220558C3 (en) 1975-07-24

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