IT983970B - ELECTRIC SWITCH FOR PROTECTION AGAINST Leakage Currents - Google Patents
ELECTRIC SWITCH FOR PROTECTION AGAINST Leakage CurrentsInfo
- 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
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
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)
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 |
-
1972
- 1972-04-26 DE DE19722220558 patent/DE2220558C3/en not_active Expired
-
1973
- 1973-04-06 DK DK186173A patent/DK134339C/en active
- 1973-04-06 CH CH497773A patent/CH548682A/en not_active IP Right Cessation
- 1973-04-19 IT IT2315273A patent/IT983970B/en active
- 1973-04-25 ES ES414051A patent/ES414051A1/en not_active Expired
- 1973-04-25 AT AT365873A patent/AT323276B/en active
- 1973-04-25 FR FR7315049A patent/FR2182113B1/fr not_active Expired
- 1973-04-26 JP JP4833673A patent/JPS5335256B2/ja not_active Expired
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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