GB709930A - Improvements in or relating to closing and tripping mechanisms for electric circuit-breakers - Google Patents

Improvements in or relating to closing and tripping mechanisms for electric circuit-breakers

Info

Publication number
GB709930A
GB709930A GB9291/51A GB929151A GB709930A GB 709930 A GB709930 A GB 709930A GB 9291/51 A GB9291/51 A GB 9291/51A GB 929151 A GB929151 A GB 929151A GB 709930 A GB709930 A GB 709930A
Authority
GB
United Kingdom
Prior art keywords
sleeve
crank
spring
motor
contacts
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
GB9291/51A
Other languages
English (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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin 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 Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of GB709930A publication Critical patent/GB709930A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor

Landscapes

  • Breakers (AREA)
GB9291/51A 1950-05-03 1951-04-20 Improvements in or relating to closing and tripping mechanisms for electric circuit-breakers Expired GB709930A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1018440T 1950-05-03

Publications (1)

Publication Number Publication Date
GB709930A true GB709930A (en) 1954-06-02

Family

ID=9575043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9291/51A Expired GB709930A (en) 1950-05-03 1951-04-20 Improvements in or relating to closing and tripping mechanisms for electric circuit-breakers

Country Status (3)

Country Link
BE (1) BE502726A (xx)
FR (1) FR1018440A (xx)
GB (1) GB709930A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909629A (en) * 1957-07-02 1959-10-20 Ite Circuit Breaker Ltd Motor spring operating mechanism for oil circuit breakers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909629A (en) * 1957-07-02 1959-10-20 Ite Circuit Breaker Ltd Motor spring operating mechanism for oil circuit breakers

Also Published As

Publication number Publication date
FR1018440A (fr) 1953-01-07
BE502726A (xx)

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