ZA713072B - Electric circuit breaker with ground fault protection - Google Patents
Electric circuit breaker with ground fault protectionInfo
- Publication number
- ZA713072B ZA713072B ZA713072A ZA713072A ZA713072B ZA 713072 B ZA713072 B ZA 713072B ZA 713072 A ZA713072 A ZA 713072A ZA 713072 A ZA713072 A ZA 713072A ZA 713072 B ZA713072 B ZA 713072B
- Authority
- ZA
- South Africa
- Prior art keywords
- circuit breaker
- electric circuit
- ground fault
- fault protection
- protection
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3599370A | 1970-05-11 | 1970-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA713072B true ZA713072B (en) | 1972-01-26 |
Family
ID=21885973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA713072A ZA713072B (en) | 1970-05-11 | 1971-05-11 | Electric circuit breaker with ground fault protection |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS466675A (enrdf_load_stackoverflow) |
CA (1) | CA953013A (enrdf_load_stackoverflow) |
FR (1) | FR2088489B1 (enrdf_load_stackoverflow) |
GB (1) | GB1354301A (enrdf_load_stackoverflow) |
ZA (1) | ZA713072B (enrdf_load_stackoverflow) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5092547A (enrdf_load_stackoverflow) * | 1973-12-21 | 1975-07-24 | ||
JPS5759823Y2 (enrdf_load_stackoverflow) * | 1975-08-16 | 1982-12-21 | ||
FR2604294B1 (fr) * | 1986-09-23 | 1994-05-20 | Merlin Et Gerin | Disjoncteur differentiel multipolaire a assemblage modulaire |
US5179491A (en) * | 1990-07-19 | 1993-01-12 | Square D Company | Plug-in circuit breaker |
GB2285886A (en) * | 1994-01-21 | 1995-07-26 | Square D Co | Circuit breaker |
JP2872950B2 (ja) * | 1995-11-01 | 1999-03-24 | 日東工業株式会社 | 漏電ブレーカ |
US7287648B2 (en) | 2005-09-02 | 2007-10-30 | Tools Aviation, Llc | Battery holder and dispenser |
JP2008103083A (ja) * | 2006-10-17 | 2008-05-01 | Fuji Electric Fa Components & Systems Co Ltd | 漏電遮断器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1105970B (de) * | 1959-10-05 | 1961-05-04 | Busch Jaeger Duerener Metall | Fehlerstromschutzschalter fuer Schalt- und Zaehlertafeleinbau |
GB1096613A (en) * | 1964-04-10 | 1967-12-29 | M & C Switchgear Ltd | Improvements in and relating to an earth leakage control circuit for a three phase electrical supply line |
CH415809A (fr) * | 1966-01-13 | 1966-06-30 | Gardy Particip App | Disjoncteur à surintensité et à action différentielle |
FR1494850A (fr) * | 1966-07-25 | 1967-09-15 | Electronique Et Nucleaire Soc | Dispositif de surveillance et de localisation des défauts d'isolement d'une installation électrique à basse tension |
DE1965784U (de) * | 1967-03-14 | 1967-08-10 | Stotz Kontakt Gmbh | Elektrische steckdose mit fehlerstromschutz. |
-
1971
- 1971-05-10 FR FR7116862A patent/FR2088489B1/fr not_active Expired
- 1971-05-10 GB GB1392471*[A patent/GB1354301A/en not_active Expired
- 1971-05-11 CA CA112,744A patent/CA953013A/en not_active Expired
- 1971-05-11 ZA ZA713072A patent/ZA713072B/xx unknown
- 1971-05-12 JP JP3148171A patent/JPS466675A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1354301A (en) | 1974-06-05 |
CA953013A (en) | 1974-08-13 |
FR2088489A1 (enrdf_load_stackoverflow) | 1972-01-07 |
FR2088489B1 (enrdf_load_stackoverflow) | 1976-04-16 |
JPS466675A (enrdf_load_stackoverflow) | 1971-12-13 |
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