ZA794987B - Current-limiting circuit breaker - Google Patents

Current-limiting circuit breaker

Info

Publication number
ZA794987B
ZA794987B ZA00794987A ZA794987A ZA794987B ZA 794987 B ZA794987 B ZA 794987B ZA 00794987 A ZA00794987 A ZA 00794987A ZA 794987 A ZA794987 A ZA 794987A ZA 794987 B ZA794987 B ZA 794987B
Authority
ZA
South Africa
Prior art keywords
current
circuit breaker
limiting circuit
limiting
breaker
Prior art date
Application number
ZA00794987A
Other languages
English (en)
Inventor
W Lang
W Bratkowski
J Wafer
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ZA794987B publication Critical patent/ZA794987B/xx

Links

Classifications

    • 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
    • H01H71/2418—Electromagnetic mechanisms combined with an electrodynamic current limiting mechanism
    • 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
    • H01H71/2418—Electromagnetic mechanisms combined with an electrodynamic current limiting mechanism
    • H01H2071/2427—Electromagnetic mechanisms combined with an electrodynamic current limiting mechanism with blow-off movement tripping mechanism, e.g. electrodynamic effect on contacts trips the traditional trip device before it can unlatch the spring mechanism by itself
    • 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
    • H01H71/2472—Electromagnetic mechanisms with rotatable armatures
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
ZA00794987A 1978-10-16 1979-09-20 Current-limiting circuit breaker ZA794987B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/951,941 US4255732A (en) 1978-10-16 1978-10-16 Current limiting circuit breaker

Publications (1)

Publication Number Publication Date
ZA794987B true ZA794987B (en) 1980-09-24

Family

ID=25492361

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00794987A ZA794987B (en) 1978-10-16 1979-09-20 Current-limiting circuit breaker

Country Status (17)

Country Link
US (1) US4255732A (es)
JP (1) JPS5553841A (es)
AR (1) AR241430A1 (es)
AU (1) AU532285B2 (es)
BE (1) BE879430A (es)
BR (1) BR7906637A (es)
CA (1) CA1121411A (es)
CH (1) CH647356A5 (es)
DE (1) DE2940766A1 (es)
ES (1) ES485005A1 (es)
FR (1) FR2439473A1 (es)
GB (1) GB2033159B (es)
IT (1) IT1194898B (es)
MX (1) MX151530A (es)
PH (1) PH19510A (es)
PL (1) PL218976A1 (es)
ZA (1) ZA794987B (es)

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US6448521B1 (en) 2000-03-01 2002-09-10 General Electric Company Blocking apparatus for circuit breaker contact structure
US6340925B1 (en) 2000-03-01 2002-01-22 General Electric Company Circuit breaker mechanism tripping cam
US6366438B1 (en) 2000-03-06 2002-04-02 General Electric Company Circuit interrupter rotary contact arm
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US6459349B1 (en) 2000-03-06 2002-10-01 General Electric Company Circuit breaker comprising a current transformer with a partial air gap
US6496347B1 (en) 2000-03-08 2002-12-17 General Electric Company System and method for optimization of a circuit breaker mechanism
US6429659B1 (en) 2000-03-09 2002-08-06 General Electric Company Connection tester for an electronic trip unit
US6369340B1 (en) 2000-03-10 2002-04-09 General Electric Company Circuit breaker mechanism for a contact system
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US6366188B1 (en) 2000-03-15 2002-04-02 General Electric Company Accessory and recess identification system for circuit breakers
US6459059B1 (en) * 2000-03-16 2002-10-01 General Electric Company Return spring for a circuit interrupter operating mechanism
US6421217B1 (en) 2000-03-16 2002-07-16 General Electric Company Circuit breaker accessory reset system
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Also Published As

Publication number Publication date
BR7906637A (pt) 1980-06-24
IT7941624A0 (it) 1979-10-15
ES485005A1 (es) 1980-10-01
GB2033159B (en) 1983-03-30
JPS5553841A (en) 1980-04-19
PL218976A1 (es) 1980-07-28
AU532285B2 (en) 1983-09-22
AU5167279A (en) 1980-04-24
AR241430A1 (es) 1992-07-31
DE2940766A1 (de) 1980-04-24
BE879430A (fr) 1980-04-15
US4255732A (en) 1981-03-10
FR2439473A1 (fr) 1980-05-16
PH19510A (en) 1986-05-14
IT1194898B (it) 1988-09-28
GB2033159A (en) 1980-05-14
FR2439473B1 (es) 1984-03-30
JPH0139177B2 (es) 1989-08-18
MX151530A (es) 1984-12-13
CH647356A5 (de) 1985-01-15
CA1121411A (en) 1982-04-06

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