ZA705440B - An improvement in or relating to contractor - Google Patents

An improvement in or relating to contractor

Info

Publication number
ZA705440B
ZA705440B ZA705440A ZA705440A ZA705440B ZA 705440 B ZA705440 B ZA 705440B ZA 705440 A ZA705440 A ZA 705440A ZA 705440 A ZA705440 A ZA 705440A ZA 705440 B ZA705440 B ZA 705440B
Authority
ZA
South Africa
Prior art keywords
contractor
relating
improvement
Prior art date
Application number
ZA705440A
Other languages
English (en)
Inventor
K Grunert
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 ZA705440B publication Critical patent/ZA705440B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging 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
    • 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
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
ZA705440A 1969-08-27 1970-08-06 An improvement in or relating to contractor ZA705440B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85327169A 1969-08-27 1969-08-27

Publications (1)

Publication Number Publication Date
ZA705440B true ZA705440B (en) 1971-04-28

Family

ID=25315559

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA705440A ZA705440B (en) 1969-08-27 1970-08-06 An improvement in or relating to contractor

Country Status (6)

Country Link
US (1) US3602850A (de)
CH (1) CH514931A (de)
DE (1) DE2039840A1 (de)
FR (1) FR2059196A5 (de)
GB (1) GB1275002A (de)
ZA (1) ZA705440B (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781728A (en) * 1972-10-06 1973-12-25 Westinghouse Electric Corp Electric contactor
US3815060A (en) * 1973-04-19 1974-06-04 Square D Co Electromagnetic contactor for battery powered vehicles
US3852544A (en) * 1973-09-17 1974-12-03 Westinghouse Electric Corp Fluid operated electrical contactor with contact coolant means
DE2732963C2 (de) * 1977-07-21 1982-10-21 Starkstrom Gummersbach GmbH, 5277 Marienheide Schütz
US4893102A (en) * 1987-02-19 1990-01-09 Westinghouse Electric Corp. Electromagnetic contactor with energy balanced closing system
US4720761A (en) * 1987-02-19 1988-01-19 Westinghouse Electric Corp. Electromagnetic contactor with current regulated electromagnetic coil for holding the contacts closed
US4739293A (en) * 1987-02-19 1988-04-19 Westinghouse Electric Corp. Electromagnetic contactor with reduced noise magnetic armature
US4833565A (en) * 1987-02-19 1989-05-23 Westinghouse Electric Corp. Electromagnetic contactor with algorithm controlled closing system
US4720763A (en) * 1987-02-19 1988-01-19 Westinghouse Electric Corp. Electromagnetic contactor with control circuit for providing acceleration, coast and grab functions
EP1300865A4 (de) * 2000-07-13 2005-03-16 Mitsubishi Electric Corp Schalter
US8314668B1 (en) * 2011-08-19 2012-11-20 General Electric Company Meter disconnect relay having silver refractory materials contacts
EP2729952B1 (de) 2011-12-14 2016-03-30 Siemens Aktiengesellschaft Für effizienten kontaktaustausch angepasster elektrischer schalter
JP6119216B2 (ja) * 2012-12-05 2017-04-26 富士電機機器制御株式会社 電磁接触器
US20140210575A1 (en) * 2013-01-28 2014-07-31 James J. Kinsella Electrically operated branch circuit protector
DE102013209688B4 (de) * 2013-05-24 2019-12-05 Gruner Ag Relais mit Doppelunterbrechung
US20150130566A1 (en) * 2013-11-14 2015-05-14 James K. Kinsella Means for providing improved operation properties for electrically operated circuit breakers, disconnect switches, and contactors
JP7286931B2 (ja) * 2018-09-07 2023-06-06 オムロン株式会社 電磁継電器

Also Published As

Publication number Publication date
CH514931A (de) 1971-10-31
FR2059196A5 (de) 1971-05-28
DE2039840A1 (de) 1971-04-22
GB1275002A (en) 1972-05-24
US3602850A (en) 1971-08-31

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