GB1472422A - Earth leakage circuit breakers - Google Patents

Earth leakage circuit breakers

Info

Publication number
GB1472422A
GB1472422A GB2982074A GB2982074A GB1472422A GB 1472422 A GB1472422 A GB 1472422A GB 2982074 A GB2982074 A GB 2982074A GB 2982074 A GB2982074 A GB 2982074A GB 1472422 A GB1472422 A GB 1472422A
Authority
GB
United Kingdom
Prior art keywords
leakage circuit
current transformer
earth
contacts
circuit breaker
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2982074A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Felten & Guilleaume Schaltanl
Original Assignee
Felten & Guilleaume Schaltanl
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 Felten & Guilleaume Schaltanl filed Critical Felten & Guilleaume Schaltanl
Publication of GB1472422A publication Critical patent/GB1472422A/en
Expired legal-status Critical Current

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
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
GB2982074A 1973-11-06 1974-07-05 Earth leakage circuit breakers Expired GB1472422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732355306 DE2355306C2 (de) 1973-11-06 1973-11-06 Fehlerstrom-Schutzschalter

Publications (1)

Publication Number Publication Date
GB1472422A true GB1472422A (en) 1977-05-04

Family

ID=5897283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2982074A Expired GB1472422A (en) 1973-11-06 1974-07-05 Earth leakage circuit breakers

Country Status (9)

Country Link
AT (1) AT329663B (ja)
BE (1) BE816233A (ja)
CH (1) CH567332A5 (ja)
DE (1) DE2355306C2 (ja)
DK (1) DK132480C (ja)
ES (1) ES428010A1 (ja)
FR (1) FR2250194B1 (ja)
GB (1) GB1472422A (ja)
IT (1) IT1015562B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179796B (en) * 1985-08-06 1990-02-21 Ashley Accessories Ltd Circuit breaker for a mains electrical accessory
AU630025B2 (en) * 1990-04-07 1992-10-15 Felten & Guilleaume Ag Modular earth leakage circuit breaker

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915091C2 (de) * 1979-04-12 1981-07-30 Siemens AG, 1000 Berlin und 8000 München Fehlerstromschutzschalter
DE3508110A1 (de) * 1985-03-07 1986-09-11 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Schaltschloss mit schnelleinschaltung
JPH0421046U (ja) * 1990-06-12 1992-02-21
DE4428219C2 (de) * 1994-08-10 2003-11-13 Felten & Guilleaume Ag Abdeckung für Summenstromwandler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179796B (en) * 1985-08-06 1990-02-21 Ashley Accessories Ltd Circuit breaker for a mains electrical accessory
AU630025B2 (en) * 1990-04-07 1992-10-15 Felten & Guilleaume Ag Modular earth leakage circuit breaker

Also Published As

Publication number Publication date
BE816233A (fr) 1974-09-30
AT329663B (de) 1976-05-25
DK132480B (da) 1975-12-08
FR2250194A1 (ja) 1975-05-30
ATA504074A (de) 1975-08-15
CH567332A5 (ja) 1975-09-30
IT1015562B (it) 1977-05-20
ES428010A1 (es) 1976-07-16
FR2250194B1 (ja) 1979-05-04
DE2355306B1 (de) 1974-05-09
DK132480C (da) 1976-05-17
DK576074A (ja) 1975-06-30
DE2355306C2 (de) 1974-12-05

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930705