GB1227805A - - Google Patents

Info

Publication number
GB1227805A
GB1227805A GB1227805DA GB1227805A GB 1227805 A GB1227805 A GB 1227805A GB 1227805D A GB1227805D A GB 1227805DA GB 1227805 A GB1227805 A GB 1227805A
Authority
GB
United Kingdom
Prior art keywords
lever
pivoted
handle
trip
contact
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
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 filed Critical
Publication of GB1227805A publication Critical patent/GB1227805A/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
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
    • H01H71/524—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism the contact arm being pivoted on handle and mechanism spring acting between cradle and contact arm
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H01H71/0214—Housing or casing lateral walls containing guiding grooves or special mounting facilities

Landscapes

  • Breakers (AREA)

Abstract

1,227,805. Automatic circuit breakers. GENERAL ELECTRIC CO. 6 Aug., 1968 [21 Sept., 1967], No. 37388/68. Heading H1N. A small width moulded case circuit breaker for panelboard mounting has a pivoted handle 32 having a portion 68 extending below the pivot; a pivoted releasably latched trip lever 50 lying to one side of the portion 68; and a contact lever 26 having an upper portion lying along and pivoted to the other side of the portion 68, a tension spring 46 extending between the trip-lever 50 and a cranked middle portion of contact lever 26. The moulded casing is divided internally by rigs into three compartments housing respectively the contacts 22, 24 and arc chute 140; the handle and trip lever 50; and latching and releasing mechanism 112. Both the lower end of contact lever 26 and the end of trip lever 50 move in slots between the ribs. The contact lever 26 is pivoted to handle 32 by a tapered projection 28 which is biased by the spring 46 to be retained in the handle; a rib 45 guides the lower end of contact lever 26 maintaining correct alignment. The tripping mechanism comprises a magnetic member 112 pivoted in an aperture 98 and an armature latch 90 pivoted to the member 112; a bimetal strip passes through the member 112. When the bimetal drives member 112 to the right releasing the latch through a coupling 118 or when member 112 attracts the latch directly, the trip lever 50 is released and turns clockwise about its pivot 76 moving the spring 46 overcentre to release the contacts. The handle is arrested in an intermediate position by a lug 84 on lever 50 and the breaker is reset by moving the handle to off. In the event of contact welding another lug 86 strikes the contact lever 26 to assist opening. In pivoting the trip lever strikes a common trip lever 158 which can be coupled with other breakers, by a bar inserted in slots 166, to trip them simultaneously. In a modification (Figs. 8, 9, not shown), the ribs 45, 47 are replaced by a separate slotted insulating shield.
GB1227805D 1967-09-21 1968-08-06 Expired GB1227805A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69946667A 1967-09-21 1967-09-21
US66946667A 1967-09-21 1967-09-21

Publications (1)

Publication Number Publication Date
GB1227805A true GB1227805A (en) 1971-04-07

Family

ID=27100118

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1227805D Expired GB1227805A (en) 1967-09-21 1968-08-06

Country Status (2)

Country Link
US (1) US3464040A (en)
GB (1) GB1227805A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2117785B1 (en) * 1970-12-17 1975-07-04 Maier & Cie Charles
US3815070A (en) * 1972-12-22 1974-06-04 Federal Pacific Electric Co Circuit breaker with wide opening contacts
US4011420A (en) * 1975-01-22 1977-03-08 General Electric Company Molded case circuit breaker with improved interrupting capacity
CH618288A5 (en) * 1977-08-05 1980-07-15 Weber Ag Fab Elektro
US4168514A (en) * 1977-12-16 1979-09-18 General Electric Company Combination circuit breaker-lightning arrestor
US4209761A (en) * 1978-09-07 1980-06-24 General Electric Company Circuit breaker auxiliary switch apparatus
US4232282A (en) * 1978-12-18 1980-11-04 Gould Inc. Circuit breaker having means to facilitate assembly thereof
DE8023509U1 (en) * 1980-08-29 1980-11-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Low voltage circuit breaker for locking lever
IT8223118V0 (en) * 1982-10-07 1982-10-07 Sace Spa ELECTRIC SWITCH WITH STOPPING THE CONTROL LEVER STROKE IN CASE OF WELDING THE CONTACTS.
US4513268A (en) * 1983-12-14 1985-04-23 General Electric Company Automated Q-line circuit breaker
ZA885260B (en) * 1987-04-21 1989-04-26 Circuit Breaker Ind An electric circuit breaker
DE69113830T2 (en) * 1990-02-23 1996-05-23 Matsushita Electric Works Ltd Circuit breaker.
US5321574A (en) * 1992-01-17 1994-06-14 Siemens Energy & Automation, Inc. Circuit breaker/surge arrestor package in which the arrestor uses an MOV that is thermally de-coupled from the breaker's thermal trip circuit
JP3230197B2 (en) * 1994-08-30 2001-11-19 三菱電機株式会社 Circuit breaker
US6175288B1 (en) 1999-08-27 2001-01-16 General Electric Company Supplemental trip unit for rotary circuit interrupters
US6486759B2 (en) 2000-11-29 2002-11-26 General Electric Company Circuit breaker calibration screw
US7812272B2 (en) 2006-09-15 2010-10-12 Dennis William Fleege Circuit breaker mechanism to facilitate automated assembly
US8531256B2 (en) * 2011-09-27 2013-09-10 Eaton Corporation Tool and calibration machine for calibrating a thermal trip apparatus of a circuit interrupter, and improved method
JP5665716B2 (en) * 2011-09-30 2015-02-04 三菱電機株式会社 Circuit breaker
US10984974B2 (en) * 2018-12-20 2021-04-20 Schneider Electric USA, Inc. Line side power, double break, switch neutral electronic circuit breaker

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902560A (en) * 1955-05-18 1959-09-01 Square D Co Circuit breaker

Also Published As

Publication number Publication date
US3464040A (en) 1969-08-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee