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CA970812A - High voltage switch with high current closing contacts - Google Patents

High voltage switch with high current closing contacts

Info

Publication number
CA970812A
CA970812A CA151,507A CA151507A CA970812A CA 970812 A CA970812 A CA 970812A CA 151507 A CA151507 A CA 151507A CA 970812 A CA970812 A CA 970812A
Authority
CA
Canada
Prior art keywords
voltage switch
closing contacts
current closing
high voltage
high current
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
CA151,507A
Other versions
CA151507S (en
Inventor
Leonard V. Chabala
David M. Evans
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.)
S&C Electric Co
Original Assignee
S&C Electric 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
Application filed by S&C Electric Co filed Critical S&C Electric Co
Application granted granted Critical
Publication of CA970812A publication Critical patent/CA970812A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/42—Knife-and-clip contacts
CA151,507A 1972-06-08 1972-09-12 High voltage switch with high current closing contacts Expired CA970812A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26107472A 1972-06-08 1972-06-08

Publications (1)

Publication Number Publication Date
CA970812A true CA970812A (en) 1975-07-08

Family

ID=22991845

Family Applications (1)

Application Number Title Priority Date Filing Date
CA151,507A Expired CA970812A (en) 1972-06-08 1972-09-12 High voltage switch with high current closing contacts

Country Status (3)

Country Link
US (1) US3787651A (en)
AU (1) AU4922572A (en)
CA (1) CA970812A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980851A (en) * 1974-08-01 1976-09-14 Hooker Chemicals & Plastics Corporation High amperage switching apparatus with bi-metallic arcing contacts
US4126773A (en) * 1977-03-09 1978-11-21 S&C Electric Company Polyphase disconnecting switch arrangement
US5635692A (en) * 1995-05-17 1997-06-03 S & C Electric Company Contact arrangement for electrical apparatus
US5941370A (en) * 1996-09-10 1999-08-24 Nichols; Bruce W. Electrical contact wear
EP3457421B1 (en) * 2017-09-15 2021-04-07 ABB Schweiz AG An electrical switch
EP4369371A1 (en) * 2022-11-09 2024-05-15 ABB Schweiz AG Electrical contact and method of designing an electrical contact

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US594656A (en) * 1897-11-30 Electric switch
US617503A (en) * 1899-01-10 Circuit-breaker
US2989603A (en) * 1959-02-05 1961-06-20 S & C Electric Co Interrupter switch operating mechanism
US3697712A (en) * 1971-01-07 1972-10-10 S & C Electric Co High voltage switch with preinsertion resistor connected in the circuit through graphite corona balls

Also Published As

Publication number Publication date
AU4922572A (en) 1974-05-23
US3787651A (en) 1974-01-22

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