NL138884C - - Google Patents

Info

Publication number
NL138884C
NL138884C NL138884DA NL138884C NL 138884 C NL138884 C NL 138884C NL 138884D A NL138884D A NL 138884DA NL 138884 C NL138884 C NL 138884C
Authority
NL
Netherlands
Application number
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.)
Publication of NL138884C publication Critical patent/NL138884C/xx

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
    • H01H33/16—Impedances connected with contacts
    • H01H33/167—Impedances connected with contacts the impedance being inserted only while opening the switch
    • 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
    • H01H33/16—Impedances connected with contacts
    • H01H33/164—Impedances connected with contacts the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
NL138884D 1947-09-24 NL138884C (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH644489X 1947-09-24

Publications (1)

Publication Number Publication Date
NL138884C true NL138884C (ja)

Family

ID=4525660

Family Applications (1)

Application Number Title Priority Date Filing Date
NL138884D NL138884C (ja) 1947-09-24

Country Status (4)

Country Link
CH (1) CH258959A (ja)
FR (1) FR963331A (ja)
GB (1) GB644489A (ja)
NL (1) NL138884C (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB755016A (en) * 1953-07-08 1956-08-15 Reyrolle A & Co Ltd Improvements relating to electric switchgear
GB884854A (en) * 1957-07-01 1961-12-20 Ass Elect Ind Improvements in air or gas blast electric circuit-breakers
JPS59105226A (ja) * 1982-12-09 1984-06-18 株式会社日立製作所 しゃ断器
US4788390A (en) * 1988-04-26 1988-11-29 Siemens Energy & Automation, Inc. Shunt capacitor switch with an impedance insertion element

Also Published As

Publication number Publication date
FR963331A (ja) 1950-07-05
GB644489A (en) 1950-10-11
CH258959A (de) 1948-12-31

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