CH543175A - Schutzschalter, insbesondere Fehlerstromschutzschalter - Google Patents
Schutzschalter, insbesondere FehlerstromschutzschalterInfo
- Publication number
- CH543175A CH543175A CH973672A CH973672A CH543175A CH 543175 A CH543175 A CH 543175A CH 973672 A CH973672 A CH 973672A CH 973672 A CH973672 A CH 973672A CH 543175 A CH543175 A CH 543175A
- Authority
- CH
- Switzerland
- Prior art keywords
- circuit breakers
- residual current
- particular residual
- current circuit
- breakers
- Prior art date
Links
Classifications
-
- 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
- H02H3/331—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 responsive to earthing of the neutral conductor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15833771A | 1971-06-30 | 1971-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH543175A true CH543175A (de) | 1973-10-15 |
Family
ID=22567662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH973672A CH543175A (de) | 1971-06-30 | 1972-06-29 | Schutzschalter, insbesondere Fehlerstromschutzschalter |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT311468B (de) |
CA (1) | CA968452A (de) |
CH (1) | CH543175A (de) |
DE (1) | DE2231432C2 (de) |
ZA (1) | ZA723226B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE131319T1 (de) * | 1991-09-24 | 1995-12-15 | Siemens Ag | Schutzeinrichtung für schutzmassnahmen gegen fehlerströme. |
DE19813568C1 (de) * | 1998-03-27 | 1999-12-09 | Bosch Gmbh Robert | Vorrichtung zur Befestigung von Elementen an einem aus Drähten bestehenden Gitter |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3473091A (en) * | 1967-04-14 | 1969-10-14 | Hubbell Inc Harvey | Ground leakage differential protective apparatus |
-
1972
- 1972-04-27 CA CA140,696A patent/CA968452A/en not_active Expired
- 1972-05-12 ZA ZA723226A patent/ZA723226B/xx unknown
- 1972-06-27 DE DE2231432A patent/DE2231432C2/de not_active Expired
- 1972-06-29 CH CH973672A patent/CH543175A/de not_active IP Right Cessation
- 1972-06-30 AT AT566172A patent/AT311468B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA968452A (en) | 1975-05-27 |
AT311468B (de) | 1973-11-26 |
DE2231432A1 (de) | 1973-01-18 |
DE2231432C2 (de) | 1982-09-09 |
ZA723226B (en) | 1973-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |