ZA872310B - Circuit breaker with adjustable magnetic trip unit - Google Patents

Circuit breaker with adjustable magnetic trip unit

Info

Publication number
ZA872310B
ZA872310B ZA872310A ZA872310A ZA872310B ZA 872310 B ZA872310 B ZA 872310B ZA 872310 A ZA872310 A ZA 872310A ZA 872310 A ZA872310 A ZA 872310A ZA 872310 B ZA872310 B ZA 872310B
Authority
ZA
South Africa
Prior art keywords
circuit breaker
trip unit
adjustable magnetic
magnetic trip
adjustable
Prior art date
Application number
ZA872310A
Other languages
English (en)
Inventor
Stephen Albert Mrenna
Albert Mrenna Stephen
Michael Jerome Whipple
Jerome Whipple Michael
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 ZA872310B publication Critical patent/ZA872310B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H79/00—Protective switches in which excess current causes the closing of contacts, e.g. for short-circuiting the apparatus to be protected
    • 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
    • H01H71/7418—Adjusting both electrothermal and electromagnetic 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
    • H01H71/74—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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
    • 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
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H01H71/164—Heating elements
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2472—Electromagnetic mechanisms with rotatable armatures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
ZA872310A 1986-04-30 1987-03-30 Circuit breaker with adjustable magnetic trip unit ZA872310B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/858,137 US4691182A (en) 1986-04-30 1986-04-30 Circuit breaker with adjustable magnetic trip unit

Publications (1)

Publication Number Publication Date
ZA872310B true ZA872310B (en) 1987-11-25

Family

ID=25327579

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA872310A ZA872310B (en) 1986-04-30 1987-03-30 Circuit breaker with adjustable magnetic trip unit

Country Status (11)

Country Link
US (1) US4691182A (ko)
EP (1) EP0244247B1 (ko)
JP (1) JPS62262332A (ko)
KR (1) KR870010590A (ko)
AU (1) AU603089B2 (ko)
BR (1) BR8702032A (ko)
CA (1) CA1263133A (ko)
DE (1) DE3789030T2 (ko)
MX (1) MX165146B (ko)
PH (1) PH24942A (ko)
ZA (1) ZA872310B (ko)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4891621A (en) * 1989-02-21 1990-01-02 Eaton Corporation Ambient compensator for thermal overload relay
US4958136A (en) * 1989-03-08 1990-09-18 Westinghouse Electric Corp. Circuit breaker with individual gap adjustment at high and low settings of magnetic trip
US4973928A (en) * 1989-03-31 1990-11-27 Westinghouse Electric Corp. Extender spring for increased magnetic trip settings
US4983939A (en) * 1989-10-05 1991-01-08 Westinghouse Electric Corp. Circuit breaker with adjustable low magnetic trip
US5142112A (en) * 1990-04-03 1992-08-25 Westinghouse Electric Corp. Circuit breaker positive off interlock
US5193043A (en) * 1990-06-26 1993-03-09 Westinghouse Electric Corp. Phase sensitivity
US5119054A (en) * 1990-08-30 1992-06-02 Westinghouse Electric Corp. "E" frame pancake design
US5027093A (en) * 1990-10-29 1991-06-25 General Electric Company Molded case circuit breaker actuator-accessory unit having component tolerance compensation
US5278373A (en) * 1991-10-18 1994-01-11 Square D Company Current limiting circuit breaker
JPH05342967A (ja) * 1992-06-04 1993-12-24 Mitsubishi Electric Corp 回路遮断器
US5258733A (en) * 1992-08-06 1993-11-02 Eaton Corporation Molded case circuit breaker having improved trip unit
US5258729A (en) * 1992-08-06 1993-11-02 Eaton Corporation Case circuit breaker having improved attachment means for accessory devices and accessory devices therefor
US5278531A (en) * 1992-08-06 1994-01-11 Eaton Corporation Molded case circuit breaker having housing elements
US5266760A (en) * 1992-08-06 1993-11-30 Eaton Corporation Molded case circuit breaker
US5343174A (en) * 1993-06-07 1994-08-30 Eaton Corporation Electrical circuit interrupting device with means to break welded contacts
US5394126A (en) * 1994-04-18 1995-02-28 Eaton Corporatiion Circuit breaker with improved magnetic trip assembly
US5508670A (en) * 1994-11-28 1996-04-16 Eaton Corporation Trip interlock assembly for a circuit breaker
US5548261A (en) * 1995-03-03 1996-08-20 Eaton Corporation Trip device for a circuit breaker
US5576677A (en) * 1995-06-07 1996-11-19 Eaton Corporation Dual action armature
US5872495A (en) * 1997-12-10 1999-02-16 Siemens Energy & Automation, Inc. Variable thermal and magnetic structure for a circuitbreaker trip unit
US6747534B1 (en) * 1999-08-18 2004-06-08 Eaton Corporation Circuit breaker with dial indicator for magnetic trip level adjustment
US6404314B1 (en) * 2000-02-29 2002-06-11 General Electric Company Adjustable trip solenoid
US6545584B2 (en) 2001-01-17 2003-04-08 Eaton Corporation Circuit breaker with inertia device to prevent shockout
US6788174B1 (en) * 2004-02-03 2004-09-07 Eaton Corporation Adjustable magnetic trip unit and a circuit breaker incorporating the same
KR100712205B1 (ko) 2006-03-07 2007-04-27 한국단자공업 주식회사 레버 회전식 전원 회로 차단 장치
ES2311368B2 (es) * 2006-09-06 2010-05-05 Ls Industrial Systems Co, Ltd Mecanismo de disparo instantaneo para disyuntor encajado en molde.
US20090115556A1 (en) * 2007-11-05 2009-05-07 Square D Company Divided adjustable armature for a circuit breaker
AT509280A1 (de) * 2008-03-05 2011-07-15 Moeller Gebaeudeautomation Gmbh Schaltgerät
US8093965B2 (en) * 2008-12-03 2012-01-10 Schneider Electric USA, Inc. Add-on trip module for multi-pole circuit breaker
US8093964B2 (en) * 2008-12-29 2012-01-10 Schneider Electric USA, Inc. Add-on trip module for multi-pole circuit breaker
JP5417581B2 (ja) * 2010-05-13 2014-02-19 寺崎電気産業株式会社 回路遮断器の瞬時引外し用電磁石装置
EP2395535B1 (en) * 2010-06-08 2013-10-30 Eaton Electrical IP GmbH & Co. KG Tripping unit for a circuit breaker
KR101276370B1 (ko) * 2012-01-17 2013-06-18 현대중공업 주식회사 배선용 차단기
KR101708545B1 (ko) * 2015-01-05 2017-02-21 엘에스산전 주식회사 배선용 차단기의 순시트립장치
US9627160B1 (en) * 2016-02-10 2017-04-18 Siemens Aktiengesellschaft Systems and methods for rotary knob friction adjustment control
CN107768203B (zh) * 2016-08-15 2019-10-11 浙江正泰电器股份有限公司 直动式电磁脱扣装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR80339E (fr) * 1960-09-15 1963-04-12 Thomson Houston Comp Francaise Perfectionnements aux disjoncteurs
US3530414A (en) * 1969-02-26 1970-09-22 Westinghouse Electric Corp Circuit breaker with improved trip means
US3593234A (en) * 1970-02-09 1971-07-13 Cutler Hammer Inc Trip adjustment means for instantaneous trip circuit breaker
US3815064A (en) * 1973-03-27 1974-06-04 Westinghouse Electric Corp Circuit interrupter protective device
US3797007A (en) * 1973-03-29 1974-03-12 Westinghouse Electric Corp Circuit interrupter protective device
GB1466259A (en) * 1973-10-04 1977-03-02 Dorman Smith Switchgear Ltd Electric circuit breakers
US3950717A (en) * 1975-02-21 1976-04-13 Westinghouse Electric Corporation Multi-pole circuit breaker with adjustable thermal trip unit
US4074218A (en) * 1976-05-07 1978-02-14 Westinghouse Electric Corporation Circuit breaker
CA1070279A (en) * 1976-07-14 1980-01-22 Westinghouse Electric Corporation Adjustable light diffusing shield for elevator car
US4164001A (en) * 1978-04-04 1979-08-07 Patnaude Edmond J Speed compensating control system
US4313098A (en) * 1980-01-16 1982-01-26 Westinghouse Electric Corp. Circuit interrupter trip unit
JPS57202035A (en) * 1981-06-05 1982-12-10 Fuji Electric Co Ltd Circuit breaker
US4425603A (en) * 1981-07-14 1984-01-10 Westinghouse Electric Corp. Indirect light-distributing ceiling fixtures with alternate reflector array

Also Published As

Publication number Publication date
CA1263133A (en) 1989-11-21
AU7118487A (en) 1987-11-05
EP0244247A3 (en) 1988-10-12
US4691182A (en) 1987-09-01
KR870010590A (ko) 1987-11-30
DE3789030D1 (de) 1994-03-24
EP0244247B1 (en) 1994-02-09
MX165146B (es) 1992-10-29
BR8702032A (pt) 1988-02-09
PH24942A (en) 1990-12-26
DE3789030T2 (de) 1994-06-16
EP0244247A2 (en) 1987-11-04
AU603089B2 (en) 1990-11-08
JPS62262332A (ja) 1987-11-14

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