CA633993A - Enclosed circuit breaker - Google Patents

Enclosed circuit breaker

Info

Publication number
CA633993A
CA633993A CA633993A CA633993DA CA633993A CA 633993 A CA633993 A CA 633993A CA 633993 A CA633993 A CA 633993A CA 633993D A CA633993D A CA 633993DA CA 633993 A CA633993 A CA 633993A
Authority
CA
Canada
Prior art keywords
circuit breaker
enclosed circuit
enclosed
breaker
circuit
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
CA633993A
Other languages
English (en)
Inventor
N. Groves John
G. Portman Donald
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.)
Publication date
Application granted granted Critical
Publication of CA633993A publication Critical patent/CA633993A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • H01H9/223—Defeatable locking means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H2009/0292—Transparent window or opening, e.g. for allowing visual inspection of contact position or contact condition
CA633993A 1958-06-24 Enclosed circuit breaker Expired CA633993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US744114A US2917593A (en) 1958-06-24 1958-06-24 Enclosed circuit breaker

Publications (1)

Publication Number Publication Date
CA633993A true CA633993A (en) 1962-01-02

Family

ID=24991486

Family Applications (1)

Application Number Title Priority Date Filing Date
CA633993A Expired CA633993A (en) 1958-06-24 Enclosed circuit breaker

Country Status (3)

Country Link
US (1) US2917593A (US06373033-20020416-M00002.png)
JP (1) JPS3532937Y1 (US06373033-20020416-M00002.png)
CA (1) CA633993A (US06373033-20020416-M00002.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042779A (en) * 1959-12-04 1962-07-03 Gen Electric Enclosed electric switch
US3141947A (en) * 1959-12-04 1964-07-21 Gen Electric Front-operated switch with bail type handle
US3188410A (en) * 1960-08-26 1965-06-08 Frank Adam Electric Co Enclosed switch with defeatable door interlock
US4079214A (en) * 1976-12-15 1978-03-14 General Electric Company Defeatable access door interlock for circuit breaker enclosure
ZA955835B (en) * 1994-08-31 1996-02-21 Reutech Engineering Services P Enclosure for a circuit breaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512505A (en) * 1948-09-08 1950-06-20 Trumbull Electric Mfg Co Operating means for enclosed switches
US2695934A (en) * 1951-04-24 1954-11-30 Fed Electric Prod Co Operating mechanism for enclosed circuit breakers or switches
US2813162A (en) * 1956-03-09 1957-11-12 Westinghouse Electric Corp Interlocking device for enclosed electric switch
US2832860A (en) * 1956-08-06 1958-04-29 Allen Bradley Co Disconnect mechanism

Also Published As

Publication number Publication date
JPS3532937Y1 (US06373033-20020416-M00002.png) 1960-12-13
US2917593A (en) 1959-12-15

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