CA1043840A - Current limiting circuit breaker - Google Patents

Current limiting circuit breaker

Info

Publication number
CA1043840A
CA1043840A CA225,213A CA225213A CA1043840A CA 1043840 A CA1043840 A CA 1043840A CA 225213 A CA225213 A CA 225213A CA 1043840 A CA1043840 A CA 1043840A
Authority
CA
Canada
Prior art keywords
contact
current
contacts
arc
current limiting
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
CA225,213A
Other languages
English (en)
French (fr)
Inventor
Richard T. Dickens
Joseph M. Khalid
James A. Tharp
Clark L. Oster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric USA Inc
Original Assignee
Square D Co
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 claimed from US05/465,012 external-priority patent/US3943473A/en
Priority claimed from US05/465,011 external-priority patent/US3946346A/en
Priority claimed from US05/465,397 external-priority patent/US3956723A/en
Priority claimed from US05/465,010 external-priority patent/US3943472A/en
Priority claimed from US05/465,398 external-priority patent/US3943316A/en
Priority claimed from US05/465,399 external-priority patent/US3944953A/en
Application filed by Square D Co filed Critical Square D Co
Priority to CA77291306A priority Critical patent/CA1048578A/en
Priority to CA291,305A priority patent/CA1051069A/en
Application granted granted Critical
Publication of CA1043840A publication Critical patent/CA1043840A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/42—Impedances connected with contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/446—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
CA225,213A 1974-04-29 1975-04-17 Current limiting circuit breaker Expired CA1043840A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA77291306A CA1048578A (en) 1974-04-29 1977-11-21 Current limiting circuit breaker
CA291,305A CA1051069A (en) 1974-04-29 1977-11-21 Current limiting circuit breaker

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US05/465,012 US3943473A (en) 1974-04-29 1974-04-29 Current limiting circuit breaker
US05/465,011 US3946346A (en) 1974-04-29 1974-04-29 Current limiting circuit breaker
US05/465,397 US3956723A (en) 1974-04-29 1974-04-29 Current limiting circuit breaker
US05/465,010 US3943472A (en) 1974-04-29 1974-04-29 Current limiting circuit breaker
US05/465,398 US3943316A (en) 1974-04-29 1974-04-29 Current limiting circuit breaker
US05/465,399 US3944953A (en) 1974-04-29 1974-04-29 Current limiting circuit breaker

Publications (1)

Publication Number Publication Date
CA1043840A true CA1043840A (en) 1978-12-05

Family

ID=27560024

Family Applications (1)

Application Number Title Priority Date Filing Date
CA225,213A Expired CA1043840A (en) 1974-04-29 1975-04-17 Current limiting circuit breaker

Country Status (8)

Country Link
JP (1) JPS6237499B2 (da)
CA (1) CA1043840A (da)
CH (1) CH613809A5 (da)
DE (1) DE2519092C2 (da)
FR (1) FR2280188B1 (da)
GB (1) GB1511881A (da)
IE (1) IE42983B1 (da)
IT (1) IT1032765B (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2802553B1 (de) * 1978-01-19 1979-01-18 Siemens Ag Niederspannungs-Leistungsschalter mit geteiltem Isolierstoffgehaeuse
US4255732A (en) * 1978-10-16 1981-03-10 Westinghouse Electric Corp. Current limiting circuit breaker
NL176724C (nl) * 1979-06-11 1985-05-17 Hazemeijer Bv Beveiligingsinrichting voor het selektief afschakelen van netgedeelten van een elektrisch energieverdeelnet, alsmede een energieverdeelnet voorzien van meerdere selectieve beveiligingsinrichtingen.
DE3016435A1 (de) * 1980-04-29 1981-11-19 Christian Geyer GmbH & Co, 8500 Nürnberg Elektrisches schaltgeraet
GB9002678D0 (en) * 1990-02-07 1990-04-04 Mk Electric Ltd Improvements in or relating to electric switches
JPH0531491U (ja) * 1991-09-27 1993-04-23 アイワ株式会社 インナーイヤヘツドホン
DE102017129657A1 (de) 2017-07-10 2019-01-10 Dehn + Söhne Gmbh + Co. Kg Anordnung zur nicht-reversiblen Detektion und Anzeige von elektrischen Überströmen oder Stromgrenzwerten mittels eines vorkonfektionierten Leiters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR657067A (fr) * 1928-05-10 1929-05-16 Perfectionnements aux dispositifs de soufflage des arcs électriques dans les disjoncteurs et les interrupteurs
CH136162A (de) * 1928-11-07 1929-10-31 Naether Ernst Maximalstromschalter.
US3068379A (en) * 1957-04-11 1962-12-11 Fed Pacific Electric Co Circuit protective apparatus
US3136921A (en) * 1957-12-10 1964-06-09 Westinghouse Electric Corp Circuit breakers
US3813619A (en) * 1962-05-18 1974-05-28 Gen Electric Current-limiting circuit breaker

Also Published As

Publication number Publication date
FR2280188A1 (fr) 1976-02-20
IE42983L (en) 1975-10-29
DE2519092C2 (de) 1982-02-04
JPS50149980A (da) 1975-12-01
FR2280188B1 (fr) 1986-05-02
JPS6237499B2 (da) 1987-08-12
CH613809A5 (en) 1979-10-15
DE2519092A1 (de) 1975-10-30
GB1511881A (en) 1978-05-24
AU8046275A (en) 1976-10-28
IE42983B1 (en) 1980-12-03
IT1032765B (it) 1979-06-20

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