FR79525E - Electric resistance for power switch - Google Patents

Electric resistance for power switch

Info

Publication number
FR79525E
FR79525E FR858194A FR858194A FR79525E FR 79525 E FR79525 E FR 79525E FR 858194 A FR858194 A FR 858194A FR 858194 A FR858194 A FR 858194A FR 79525 E FR79525 E FR 79525E
Authority
FR
France
Prior art keywords
power switch
electric resistance
resistance
electric
switch
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
FR858194A
Other languages
French (fr)
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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
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 BBC Brown Boveri AG Switzerland, BBC Brown Boveri France SA filed Critical BBC Brown Boveri AG Switzerland
Application granted granted Critical
Publication of FR79525E publication Critical patent/FR79525E/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
    • H01H33/16—Impedances connected with contacts
    • H01H33/161—Variable impedances
FR858194A 1959-06-30 1961-04-10 Electric resistance for power switch Expired FR79525E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7509859A CH369807A (en) 1959-06-30 1959-06-30 Electrical resistance in a circuit breaker

Publications (1)

Publication Number Publication Date
FR79525E true FR79525E (en) 1962-12-14

Family

ID=4533873

Family Applications (2)

Application Number Title Priority Date Filing Date
FR831456A Expired FR1261556A (en) 1959-06-30 1960-06-29 Electric resistance for power switch
FR858194A Expired FR79525E (en) 1959-06-30 1961-04-10 Electric resistance for power switch

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR831456A Expired FR1261556A (en) 1959-06-30 1960-06-29 Electric resistance for power switch

Country Status (7)

Country Link
US (1) US3072766A (en)
BE (1) BE592419A (en)
CH (2) CH369807A (en)
DE (2) DE1076776B (en)
FR (2) FR1261556A (en)
GB (1) GB914467A (en)
NL (1) NL252649A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1189607B (en) * 1961-11-27 1965-03-25 Merlin Gerin Damping resistor for electrical switches
FR1334403A (en) * 1962-06-23 1963-08-09 Merlin Gerin Improvements to damping resistors for circuit breakers
US3249810A (en) * 1962-11-20 1966-05-03 Westinghouse Electric Corp Circuit interrupting apparatus
US3590186A (en) * 1968-12-19 1971-06-29 Allis Chalmers Mfg Co Vacuum interrupter having series connected resistor and shunting means for the latter
US4035637A (en) * 1975-12-23 1977-07-12 Zot Manufacturing Company Fluid actuated light switch
US4673928A (en) * 1984-04-03 1987-06-16 Guim R Fuse cap warning light

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US651013A (en) * 1900-06-05 Charles E Wilson Electric telegraphy.
US470161A (en) * 1892-03-01 Circuit-interrupting device
US1134983A (en) * 1914-07-13 1915-04-06 Richard A Engler System of electrical transmission.
US2043099A (en) * 1933-10-26 1936-06-02 Gen Electric Electrical protective system
BE440693A (en) * 1940-02-27

Also Published As

Publication number Publication date
CH379600A (en) 1964-07-15
DE1076776B (en) 1960-03-03
DE1110720B (en) 1961-07-13
US3072766A (en) 1963-01-08
FR1261556A (en) 1961-05-19
NL252649A (en)
GB914467A (en) 1963-01-02
CH369807A (en) 1963-06-15
BE592419A (en) 1960-10-17

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