CA999901A - Circuit breaker for distribution transformer - Google Patents

Circuit breaker for distribution transformer

Info

Publication number
CA999901A
CA999901A CA206,287A CA206287A CA999901A CA 999901 A CA999901 A CA 999901A CA 206287 A CA206287 A CA 206287A CA 999901 A CA999901 A CA 999901A
Authority
CA
Canada
Prior art keywords
circuit breaker
distribution transformer
transformer
distribution
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
CA206,287A
Other versions
CA206287S (en
Inventor
Merrill G. Leonard
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.)
CBS Corp
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
Application granted granted Critical
Publication of CA999901A publication Critical patent/CA999901A/en
Expired legal-status Critical Current

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
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • 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
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7427—Adjusting only the electrothermal mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
CA206,287A 1973-09-11 1974-08-05 Circuit breaker for distribution transformer Expired CA999901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US396162A US3860898A (en) 1973-09-11 1973-09-11 Circuit breaker for distribution transformer

Publications (1)

Publication Number Publication Date
CA999901A true CA999901A (en) 1976-11-16

Family

ID=23566114

Family Applications (1)

Application Number Title Priority Date Filing Date
CA206,287A Expired CA999901A (en) 1973-09-11 1974-08-05 Circuit breaker for distribution transformer

Country Status (2)

Country Link
US (1) US3860898A (en)
CA (1) CA999901A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979704A (en) * 1975-05-23 1976-09-07 Westinghouse Electric Corporation Circuit breaker having members coated with phosphate-chromate protective layers
US7649433B2 (en) * 2006-12-04 2010-01-19 Abb Technology Ag Circuit breaker with magnetically-coupled trip indicator
US20100038228A1 (en) * 2008-08-12 2010-02-18 H-J International, Inc. Stand-Alone Circuit Breaker Assembly and Associated Method of Use

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442464A (en) * 1944-06-02 1948-06-01 Line Material Co Switch construction
US2686242A (en) * 1952-07-26 1954-08-10 Westinghouse Electric Corp Circuit breaker
US2902560A (en) * 1955-05-18 1959-09-01 Square D Co Circuit breaker
US3171921A (en) * 1960-10-03 1965-03-02 Square D Co Circuit breaker operating mechanism
US3155795A (en) * 1962-08-24 1964-11-03 Gen Electric Circuit breaker trip device with ambient compensation and adjusting means therefor
US3268689A (en) * 1964-10-22 1966-08-23 Gen Electric Electric circuit breaker with novel flexible braid attachment
US3288965A (en) * 1965-08-05 1966-11-29 Gen Electric Multiple circuit breaker assembly with common tripping
US3317867A (en) * 1965-12-13 1967-05-02 Gen Electric Electric circuit breaker with thermalmagnetic tripping allowing for overtravel of the thermal means
US3475711A (en) * 1967-05-17 1969-10-28 Gen Electric Electric circuit breaker operating mechanism and assembly thereof
US3760308A (en) * 1972-07-31 1973-09-18 Westinghouse Electric Corp Circuit breaker system

Also Published As

Publication number Publication date
US3860898A (en) 1975-01-14

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