ZA716962B - Electrical small volume oil circuit breaker - Google Patents

Electrical small volume oil circuit breaker

Info

Publication number
ZA716962B
ZA716962B ZA716962A ZA716962A ZA716962B ZA 716962 B ZA716962 B ZA 716962B ZA 716962 A ZA716962 A ZA 716962A ZA 716962 A ZA716962 A ZA 716962A ZA 716962 B ZA716962 B ZA 716962B
Authority
ZA
South Africa
Prior art keywords
circuit breaker
oil circuit
small volume
volume oil
electrical small
Prior art date
Application number
ZA716962A
Other languages
English (en)
Inventor
S Ahonen
A Riekkinen
P Laupiainen
Original Assignee
Nokia Oy Ab
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 Nokia Oy Ab filed Critical Nokia Oy Ab
Publication of ZA716962B publication Critical patent/ZA716962B/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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/92—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being liquid, e.g. oil

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Circuit Breakers (AREA)
ZA716962A 1970-10-16 1971-10-18 Electrical small volume oil circuit breaker ZA716962B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI702804A FI50751C (fi) 1970-10-16 1970-10-16 Sähköinen vähäöljykatkaisija.

Publications (1)

Publication Number Publication Date
ZA716962B true ZA716962B (en) 1972-07-26

Family

ID=8507602

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA716962A ZA716962B (en) 1970-10-16 1971-10-18 Electrical small volume oil circuit breaker

Country Status (5)

Country Link
CA (1) CA943170A (OSRAM)
DE (1) DE2151287A1 (OSRAM)
FI (1) FI50751C (OSRAM)
SE (1) SE380386B (OSRAM)
ZA (1) ZA716962B (OSRAM)

Also Published As

Publication number Publication date
SE380386B (sv) 1975-11-03
FI50751C (fi) 1976-06-10
DE2151287A1 (de) 1972-04-20
CA943170A (en) 1974-03-05
FI50751B (OSRAM) 1976-03-01

Similar Documents

Publication Publication Date Title
GB1240035A (en) Electric circuit breaker
JPS477672A (en) Electrical disconnector
ZA715486B (en) Electrical circuits
GB1349197A (en) Electrical switches
IL31947A0 (en) An electrical terminal
YU151871A (en) Electrical switch
GB1345783A (en) Circuit breaker
ZA71764B (en) Improved circuit breaker case structure
ZA714585B (en) Electrical storage circuit
GB1438708A (en) Electrical circuit breaker
GB1272649A (en) Circuit breaker
GB1345893A (en) Electrical circuit component
CA923529A (en) Circuit breaker
GB1349594A (en) Electrical circuit breaker
GB1438590A (en) Electrical circuit breaker
GB1347784A (en) Electrical switch
GB1349593A (en) Electrical circuit breaker
CA946062A (en) Circuit breaker device
ZA716962B (en) Electrical small volume oil circuit breaker
IL36662A0 (en) Overload current suppression circuit
AU456609B2 (en) Low oil volume power circuit breaker
GB1341672A (en) Low-liquid volume power circuit breakers
JPS5218905B1 (en) Electrical switches
GB1346577A (en) Electrical switches
GB1345788A (en) Variable electrical components