IT1124343B - Interruttore di circuito di limitazione di corrente con dispositivo di scatto mangetico ad alta velocita' - Google Patents

Interruttore di circuito di limitazione di corrente con dispositivo di scatto mangetico ad alta velocita'

Info

Publication number
IT1124343B
IT1124343B IT41625/79A IT4162579A IT1124343B IT 1124343 B IT1124343 B IT 1124343B IT 41625/79 A IT41625/79 A IT 41625/79A IT 4162579 A IT4162579 A IT 4162579A IT 1124343 B IT1124343 B IT 1124343B
Authority
IT
Italy
Prior art keywords
mangetic
high speed
circuit breaker
current limiting
limiting circuit
Prior art date
Application number
IT41625/79A
Other languages
English (en)
Other versions
IT7941625A0 (it
Inventor
John A Wafer
William E Beatty Jr
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 IT7941625A0 publication Critical patent/IT7941625A0/it
Application granted granted Critical
Publication of IT1124343B publication Critical patent/IT1124343B/it

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC 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
    • H01H71/2454Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01H71/2472Electromagnetic mechanisms with rotatable armatures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT41625/79A 1978-10-16 1979-10-15 Interruttore di circuito di limitazione di corrente con dispositivo di scatto mangetico ad alta velocita' IT1124343B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/952,035 US4220935A (en) 1978-10-16 1978-10-16 Current limiting circuit breaker with high speed magnetic trip device

Publications (2)

Publication Number Publication Date
IT7941625A0 IT7941625A0 (it) 1979-10-15
IT1124343B true IT1124343B (it) 1986-05-07

Family

ID=25492516

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41625/79A IT1124343B (it) 1978-10-16 1979-10-15 Interruttore di circuito di limitazione di corrente con dispositivo di scatto mangetico ad alta velocita'

Country Status (10)

Country Link
US (1) US4220935A (it)
JP (1) JPH0127250Y2 (it)
AU (1) AU531263B2 (it)
CA (1) CA1116211A (it)
DE (1) DE2940706A1 (it)
ES (1) ES485011A0 (it)
FR (1) FR2439471A1 (it)
GB (1) GB2034119B (it)
IT (1) IT1124343B (it)
ZA (1) ZA795248B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276526A (en) * 1980-01-28 1981-06-30 General Electric Company Miniature current limiting circuit breaker
EP0050187B1 (de) * 1980-10-17 1985-02-20 Sprecher & Schuh AG Überstrom-Schutzschalter
US4598186A (en) * 1983-05-09 1986-07-01 Square D Company Vent arrangement for high amperage molded case circuit breaker
US4680562A (en) * 1985-07-29 1987-07-14 Westinghouse Electric Corp. Integral circuit interrupter with separable modules
US4683451A (en) * 1986-03-14 1987-07-28 Westinghouse Electric Corp. Circuit breaker with trip delay magnetic circuit
US4719438A (en) * 1986-09-30 1988-01-12 Westinghouse Electric Corp. Circuit breaker with fast trip unit
US4862131A (en) * 1988-10-11 1989-08-29 Square D Company Trip crossbar translation to prevent bimetal overstressing in a circuit breaker
US5872495A (en) * 1997-12-10 1999-02-16 Siemens Energy & Automation, Inc. Variable thermal and magnetic structure for a circuitbreaker trip unit
US5886599A (en) * 1997-12-15 1999-03-23 Eaton Corporation Molded case circuit breaker having an improved electromagnetic trip
US6747534B1 (en) 1999-08-18 2004-06-08 Eaton Corporation Circuit breaker with dial indicator for magnetic trip level adjustment
US6586693B2 (en) * 2000-03-17 2003-07-01 General Electric Company Self compensating latch arrangement
US9899176B2 (en) 2016-04-07 2018-02-20 General Electric Company Self-resetting biasing devices for current limiting circuit breaker trip systems
US12033823B2 (en) * 2021-12-28 2024-07-09 Schneider Electric USA, Inc. Circuit breakers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2412304A (en) * 1944-08-11 1946-12-10 Staley Marcellus Electromagnet
US3179767A (en) * 1956-06-21 1965-04-20 Wadsworth Electric Mfg Co Circuit breaker with improved electromagnetic tripping device
US3296564A (en) * 1963-08-30 1967-01-03 Westinghouse Electric Corp Circuit breaker with thermal and magnetic trip means
NL142271B (nl) * 1967-01-27 1974-05-15 Terasaki Denki Sangyo Kk Automatische schakelinrichting met beweegbare contactstangen openend onder invloed van elektrodynamische krachten.
US3646488A (en) * 1969-11-05 1972-02-29 Tokyo Shibaura Electric Co Electric circuit breaker
US3646489A (en) * 1970-09-23 1972-02-29 Gen Electric Circuit breaker having thermal and magnetic actuation with improved magnetic trip

Also Published As

Publication number Publication date
GB2034119B (en) 1983-03-23
GB2034119A (en) 1980-05-29
JPH0127250Y2 (it) 1989-08-15
JPS5559437U (it) 1980-04-22
DE2940706C2 (it) 1989-11-02
IT7941625A0 (it) 1979-10-15
US4220935A (en) 1980-09-02
ES8100550A1 (es) 1980-11-01
FR2439471A1 (fr) 1980-05-16
ES485011A0 (es) 1980-11-01
ZA795248B (en) 1980-09-24
AU531263B2 (en) 1983-08-18
FR2439471B1 (it) 1984-11-16
DE2940706A1 (de) 1980-04-24
AU5168079A (en) 1980-04-24
CA1116211A (en) 1982-01-12

Similar Documents

Publication Publication Date Title
IT1194898B (it) Interruttore di circuito di limitazione di corrente
MX145705A (es) Interruptor de circuito mejorado
IT1149339B (it) Circuito di commutazione di transistore ad alta velocita'
BR7708659A (pt) Disjuntor de circuito
IT1137134B (it) Interruttore di circuito con unita' di scatto digitale e un dispositivo di ingresso/uscita di dati ad accoppiamento ottico
AR230347A1 (es) Interruptor de circuito
IT1133777B (it) Interruttore circuitale
IT1124343B (it) Interruttore di circuito di limitazione di corrente con dispositivo di scatto mangetico ad alta velocita'
MX146047A (es) Mejoras en interruptor de circuito electrico
IT1084652B (it) Interruttore di circuito elettrico
MX4241E (es) Mejoras en ruptor de circuito de polos multiples
FR2305010A1 (fr) Disjoncteur limiteur d'intensite
MX145611A (es) Mejoras en interruptor de circuito
BR8004593A (pt) Disjuntor de circuito
IT1104778B (it) Interruttore di circuito regolabile termicamente
BR7903677A (pt) Circuito magnetico circuito magnetico
JPS54113079A (en) Low voltage circuit breaker
IT1132867B (it) Circuito di anticipazione,ad alta velocita'
IT1080831B (it) Interruttore di circuito
FR2417833B1 (fr) Dispositif d'aimantation supraconducteur perfectionne
JPS5516399A (en) Low voltage circuit breaker
JPS54140180A (en) Low voltage circuit breaker
AT357625B (de) Gleichstromsensitiver fehlerstromschutzschalter
IT7841680A0 (it) Impianto di interruzione d'emergenza di circuito elettrico.
AT377384B (de) Hochspannungs-leistungsschalter

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941031