ZA741620B - An improvement in or relating to circuit breaker trip and latch mechanism - Google Patents

An improvement in or relating to circuit breaker trip and latch mechanism

Info

Publication number
ZA741620B
ZA741620B ZA00741620A ZA741620A ZA741620B ZA 741620 B ZA741620 B ZA 741620B ZA 00741620 A ZA00741620 A ZA 00741620A ZA 741620 A ZA741620 A ZA 741620A ZA 741620 B ZA741620 B ZA 741620B
Authority
ZA
South Africa
Prior art keywords
relating
improvement
circuit breaker
latch mechanism
breaker trip
Prior art date
Application number
ZA00741620A
Other languages
English (en)
Inventor
A Maier
E Walker
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 ZA741620B publication Critical patent/ZA741620B/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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/505—Latching devices between operating and release 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/505—Latching devices between operating and release mechanism
    • H01H2071/506—Latching devices between operating and release mechanism using balls or rollers in the latching 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/505—Latching devices between operating and release mechanism
    • H01H2071/508—Latching devices between operating and release mechanism with serial latches, e.g. primary latch latched by secondary latch for requiring a smaller trip force
    • 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
    • H01H2071/7481—Means for adjusting the conditions under which the device will function to provide protection with indexing means for magnetic or thermal tripping adjustment knob
    • 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
    • H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
ZA00741620A 1973-03-27 1974-03-12 An improvement in or relating to circuit breaker trip and latch mechanism ZA741620B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00345396A US3810051A (en) 1973-03-27 1973-03-27 Circuit breaker trip and latch mechanism

Publications (1)

Publication Number Publication Date
ZA741620B true ZA741620B (en) 1975-02-26

Family

ID=23354874

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00741620A ZA741620B (en) 1973-03-27 1974-03-12 An improvement in or relating to circuit breaker trip and latch mechanism

Country Status (10)

Country Link
US (1) US3810051A (it)
BE (1) BE812746A (it)
BR (1) BR7402410D0 (it)
CA (1) CA999902A (it)
DE (2) DE2413499A1 (it)
ES (1) ES424701A1 (it)
FR (1) FR2223824A1 (it)
GB (1) GB1461814A (it)
IT (1) IT1012560B (it)
ZA (1) ZA741620B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5142259A (en) * 1991-05-16 1992-08-25 General Electric Company Molded case circuit breaker with low friction latch arrangement
JP3900780B2 (ja) * 2000-03-06 2007-04-04 富士電機機器制御株式会社 回路しゃ断器
EP2472550B1 (en) 2010-12-29 2013-07-17 ABB Technology AG A latching apparatus and an operating mechanism with such a latching apparatus
EP3316275B1 (en) 2016-10-25 2019-04-24 ABB Schweiz AG A latching device and an operating mechanism with such a latching device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2051224A (en) * 1935-08-02 1936-08-18 Rape Alvin Continuous rail
US2794881A (en) * 1954-07-22 1957-06-04 Gen Electric Circuit breaker operating mechanism
US3460075A (en) * 1967-03-07 1969-08-05 Westinghouse Electric Corp Circuit breaker with improved latch and trip structures
US3657672A (en) * 1970-09-24 1972-04-18 Westinghouse Electric Corp Circuit breaker with manual trip structure

Also Published As

Publication number Publication date
US3810051A (en) 1974-05-07
GB1461814A (en) 1977-01-19
BR7402410D0 (pt) 1974-11-19
ES424701A1 (es) 1976-10-16
FR2223824A1 (it) 1974-10-25
AU6685874A (en) 1975-09-25
DE2413499A1 (de) 1974-10-10
IT1012560B (it) 1977-03-10
CA999902A (en) 1976-11-16
BE812746A (fr) 1974-09-23
DE7409789U (de) 1974-07-18

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