ZA726641B - Earth leakage circuit breakers - Google Patents

Earth leakage circuit breakers

Info

Publication number
ZA726641B
ZA726641B ZA726641A ZA726641A ZA726641B ZA 726641 B ZA726641 B ZA 726641B ZA 726641 A ZA726641 A ZA 726641A ZA 726641 A ZA726641 A ZA 726641A ZA 726641 B ZA726641 B ZA 726641B
Authority
ZA
South Africa
Prior art keywords
circuit breakers
earth leakage
leakage circuit
earth
breakers
Prior art date
Application number
ZA726641A
Inventor
J Charlton
Original Assignee
Charlton J Ltd
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 Charlton J Ltd filed Critical Charlton J Ltd
Publication of ZA726641B publication Critical patent/ZA726641B/en

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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/162—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 fault current to earth, frame or mass for ac systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
ZA726641A 1971-10-08 1971-09-28 Earth leakage circuit breakers ZA726641B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4708271 1971-10-08

Publications (1)

Publication Number Publication Date
ZA726641B true ZA726641B (en) 1973-06-27

Family

ID=10443650

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA726641A ZA726641B (en) 1971-10-08 1971-09-28 Earth leakage circuit breakers

Country Status (4)

Country Link
DE (1) DE2249147A1 (en)
FR (1) FR2156163A1 (en)
IT (1) IT966603B (en)
ZA (1) ZA726641B (en)

Also Published As

Publication number Publication date
DE2249147A1 (en) 1973-04-12
IT966603B (en) 1974-02-20
FR2156163A1 (en) 1973-05-25

Similar Documents

Publication Publication Date Title
IL40438A (en) An electrical circuit-breaker
AU467907B2 (en) Circuit breaker
GB1343785A (en) Vacuum circuit breakers
AU448069B2 (en) Circuit breaker
CA977400A (en) Circuit breaker case
BE791473A (en) CIRCUIT BREAKER
CA967627A (en) Parallel-pole circuit breaker
GB1345783A (en) Circuit breaker
IL38561A0 (en) Direct current pressure ratio circuit
AU4858572A (en) Circuit interrupter
AU445838B2 (en) Circuit breaker
IL40420A0 (en) An electrical circuit-breaker
ZA715788B (en) Vacuum breaker
ZA726641B (en) Earth leakage circuit breakers
IL40824A0 (en) Electrical mutipole circuit-breaker
GB1544707A (en) Earth leakage circuit breaker
GB1341672A (en) Low-liquid volume power circuit breakers
GB1345693A (en) Vacuum circuit breaker
CH537093A (en) Low-liquid circuit breaker
CH534425A (en) Circuit breaker
CH534421A (en) Low-liquid circuit breaker
GB1343122A (en) Electric circuit breakers
ZA728406B (en) Circuit interrupter
CA998722A (en) Circuit breaker case
CA1016224A (en) Circuit breaker case