CH384686A - Electrical circuit breaker - Google Patents

Electrical circuit breaker

Info

Publication number
CH384686A
CH384686A CH431861A CH431861A CH384686A CH 384686 A CH384686 A CH 384686A CH 431861 A CH431861 A CH 431861A CH 431861 A CH431861 A CH 431861A CH 384686 A CH384686 A CH 384686A
Authority
CH
Switzerland
Prior art keywords
circuit breaker
electrical circuit
electrical
breaker
Prior art date
Application number
CH431861A
Other languages
German (de)
Inventor
Coleman Edward
Original Assignee
J A Crabtree & Co Limited
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
Priority to GB2056459A priority Critical patent/GB905639A/en
Priority to GB377260 priority
Priority to GB1172760 priority
Priority to GB1172759 priority
Application filed by J A Crabtree & Co Limited filed Critical J A Crabtree & Co Limited
Publication of CH384686A publication Critical patent/CH384686A/en

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/50Manual reset mechanisms which may be also used for manual release
    • H01H71/505Latching devices between operating and release mechanism
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02Details
    • H01H73/18Means for extinguishing or suppressing arc
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30Means for extinguishing or preventing arc between current-carrying parts
    • H01H2009/305Means for extinguishing or preventing arc between current-carrying parts including means for screening for arc gases as protection of mechanism against hot arc gases or for keeping arc gases in the arc chamber
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0207Mounting or assembling the different parts of the circuit breaker
    • H01H71/0214Housing or casing lateral walls containing guiding grooves or special mounting facilities
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/1054Means for avoiding unauthorised release
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/1072Release mechanisms which are reset by opening movement of contacts
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/24Electromagnetic mechanisms
    • H01H71/34Electromagnetic mechanisms having two or more armatures controlled by a common winding
    • H01H71/345Electromagnetic mechanisms having two or more armatures controlled by a common winding having a delayed movable core and a movable armature
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/50Manual reset mechanisms which may be also used for manual release
    • H01H71/52Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/528Manual reset mechanisms which may be also used for manual release actuated by lever comprising a toggle or collapsible link between handle and contact arm, e.g. sear pin mechanism
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7463Adjusting only the electromagnetic mechanism
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342Venting arrangements for arc chutes
CH431861A 1959-06-16 1961-04-12 Electrical circuit breaker CH384686A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB2056459A GB905639A (en) 1959-06-16 1959-06-16 Improvements in electric circuit breakers
GB377260 1960-02-03
GB1172760 1960-04-02
GB1172759 1960-04-02

Publications (1)

Publication Number Publication Date
CH384686A true CH384686A (en) 1964-11-30

Family

ID=27447326

Family Applications (1)

Application Number Title Priority Date Filing Date
CH431861A CH384686A (en) 1959-06-16 1961-04-12 Electrical circuit breaker

Country Status (4)

Country Link
US (1) US3105131A (en)
CH (1) CH384686A (en)
DE (1) DE1141365B (en)
GB (1) GB905639A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3705216A1 (en) * 1987-02-19 1988-09-01 Geyer Gmbh & Co Christian Electrical line protection circuit breaker

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214535A (en) * 1963-02-27 1965-10-26 Cutler Hammer Inc Electric circuit breaker with positive tripping means
US4256937A (en) * 1978-06-16 1981-03-17 Square D Company Electromagnetic contactor arc chute
FR2496976B1 (en) * 1980-12-19 1985-10-18 Etude Realisa Disjoncteurs Activator fast electromagnetic response has delayed for electric switchgear
FR2557354B1 (en) * 1983-12-26 1986-09-05 Merlin Gerin MCB held dielectric IMPROVED
US5705968A (en) * 1996-05-14 1998-01-06 Eaton Corporation Trip bar with adjustable latch load for electrical switching apparatus

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US993946A (en) * 1908-08-17 1911-05-30 Gen Electric Cut-out for electrical circuits.
US1289656A (en) * 1909-10-06 1918-12-31 Allis Chalmers Mfg Co Time-element circuit-breaker.
CH121430A (en) * 1926-06-26 1927-08-01 Gfeller Ag An automatic electrical torque and Zeitausschalter.
US2072932A (en) * 1934-03-28 1937-03-09 Heinemann Electric Co Method of and apparatus for controlling electric circuits
US2305347A (en) * 1936-07-25 1942-12-15 Square D Co Circuit breaker
DE760941C (en) * 1937-08-27 1953-06-29 Siemens Ag Overcurrent switch
FR839053A (en) * 1937-12-02 1939-03-23 Alsthom Cgee Method and devices facilitating changing operating conditions of the electrical circuit breakers and other devices to operate automatically when certain conditions are met
US2429722A (en) * 1940-07-13 1947-10-28 Westinghouse Electric Corp Circuit breaker
FR896579A (en) * 1943-02-23 1945-02-26 small breaker
CH259582A (en) * 1944-02-12 1949-01-31 Huber & Cie Ag J Electrical switching device with overcurrent protection.
CH245200A (en) * 1945-07-27 1946-10-31 Bbc Brown Boveri & Cie Combined thermal and dynamic trigger.
US2627563A (en) * 1950-08-16 1953-02-03 Gen Electric Electric circuit breaker
US2659783A (en) * 1951-07-17 1953-11-17 Gen Electric Electric circuit breaker
US2700711A (en) * 1951-12-14 1955-01-25 Heinemann Electric Co Automatic circuit breaker
US2824191A (en) * 1953-02-05 1958-02-18 Fed Electric Prod Co Circuit breakers
US2732455A (en) * 1953-03-03 1956-01-24 Overload releasing mechanism for automatic circuit breaker
GB756347A (en) * 1953-06-04 1956-09-05 Reyrolle A & Co Ltd Improvements relating to stressed operating mechanisms, for example for operating electric circuit-breakers
CH315719A (en) * 1953-10-02 1956-08-31 Bbc Brown Boveri & Cie Means for periodically moving electrical contact protection devices for protection against disturbances caused by overpressure or back flow, in particular for contact converter
US2821596A (en) * 1954-06-21 1958-01-28 Westinghouse Electric Corp Trip device for circuit breakers
DE1048325B (en) * 1955-09-30
US2890306A (en) * 1957-06-25 1959-06-09 Murray Mfg Corp Electromagnetic circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3705216A1 (en) * 1987-02-19 1988-09-01 Geyer Gmbh & Co Christian Electrical line protection circuit breaker

Also Published As

Publication number Publication date
US3105131A (en) 1963-09-24
GB905639A (en) 1962-09-12
DE1141365B (en) 1962-12-20

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