GB8710992D0 - Magnetic vacuum circuit breaker - Google Patents

Magnetic vacuum circuit breaker

Info

Publication number
GB8710992D0
GB8710992D0 GB878710992A GB8710992A GB8710992D0 GB 8710992 D0 GB8710992 D0 GB 8710992D0 GB 878710992 A GB878710992 A GB 878710992A GB 8710992 A GB8710992 A GB 8710992A GB 8710992 D0 GB8710992 D0 GB 8710992D0
Authority
GB
United Kingdom
Prior art keywords
circuit breaker
vacuum circuit
magnetic vacuum
magnetic
breaker
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.)
Granted
Application number
GB878710992A
Other versions
GB2198586A (en
GB2198586B (en
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.)
Lee W F
Original Assignee
Lee W F
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 Lee W F filed Critical Lee W F
Publication of GB8710992D0 publication Critical patent/GB8710992D0/en
Priority to US07/070,401 priority Critical patent/US4739291A/en
Priority to EP87308084A priority patent/EP0271181B1/en
Priority to DE8787308084T priority patent/DE3785916T2/en
Publication of GB2198586A publication Critical patent/GB2198586A/en
Application granted granted Critical
Publication of GB2198586B publication Critical patent/GB2198586B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
GB8710992A 1986-12-08 1987-05-08 Magnetic sealed-casing circuit breaker Expired - Lifetime GB2198586B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US07/070,401 US4739291A (en) 1986-12-08 1987-07-07 Magnetic vacuum circuit breaker
EP87308084A EP0271181B1 (en) 1986-12-08 1987-09-14 Magnetic vacuum circuit breaker
DE8787308084T DE3785916T2 (en) 1986-12-08 1987-09-14 MAGNETIC VACUUM SWITCH.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08629288A GB2198585A (en) 1986-12-08 1986-12-08 Magnetic circuit breaker

Publications (3)

Publication Number Publication Date
GB8710992D0 true GB8710992D0 (en) 1987-06-10
GB2198586A GB2198586A (en) 1988-06-15
GB2198586B GB2198586B (en) 1990-07-25

Family

ID=10608635

Family Applications (2)

Application Number Title Priority Date Filing Date
GB08629288A Withdrawn GB2198585A (en) 1986-12-08 1986-12-08 Magnetic circuit breaker
GB8710992A Expired - Lifetime GB2198586B (en) 1986-12-08 1987-05-08 Magnetic sealed-casing circuit breaker

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB08629288A Withdrawn GB2198585A (en) 1986-12-08 1986-12-08 Magnetic circuit breaker

Country Status (1)

Country Link
GB (2) GB2198585A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2288487B (en) * 1994-04-13 1998-09-23 Gen Electric Apparatus for use with circuit breaker

Also Published As

Publication number Publication date
GB8629288D0 (en) 1987-01-14
GB2198585A (en) 1988-06-15
GB2198586A (en) 1988-06-15
GB2198586B (en) 1990-07-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020508