GB1198468A - Improvements in Current-Limiting Electric Circuit Breakers - Google Patents

Improvements in Current-Limiting Electric Circuit Breakers

Info

Publication number
GB1198468A
GB1198468A GB50252/67A GB5025267A GB1198468A GB 1198468 A GB1198468 A GB 1198468A GB 50252/67 A GB50252/67 A GB 50252/67A GB 5025267 A GB5025267 A GB 5025267A GB 1198468 A GB1198468 A GB 1198468A
Authority
GB
United Kingdom
Prior art keywords
coupled
tube
contact
actuating mechanism
core
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
GB50252/67A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1198468A publication Critical patent/GB1198468A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02Details
    • H01H73/04Contacts
    • H01H73/045Bridging contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/50Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position

Landscapes

  • Breakers (AREA)

Abstract

1,198,468. Automatic circuit-breakers; electromagnetic switches. GENERAL ELECTRIC CO. 6 Nov., 1967 [25 Nov., 1966], No. 50252/67. Heading H1N. In a current limiting circuit-breaker of the kind described in Specification 1,196,797, the movable contacts 24B are coupled to the manual and automatic actuating mechanism (Fig. 3, not shown) through an insulating member so that the mechanisms of the three poles need not be insulated from one another. In Fig. 5 a tube 43 coupled by a lost-motion coupling 47 to contact 24B and a tube 56 coupled to the actuating mechanism are coupled by an insulating member 53 having oppositely threaded portions 54, 55 allowing adjustment of their relative positions. Alternatively, in Fig. 6, tube 60 is insulating and rigidly coupled to the contact 24B while the link 56 is coupled to the tube 60 by a pin-and-slot mechanism. An armature 45 is attached to the contact 24B and the tube 43, 60 passes through a fixed core 50. A coil in series with the contacts surrounds the core 50 and, when a short-circuit current flows, attracts armature 45 to core 50 to cause rapid opening of the contacts independently of the actuating mechanism, as described in Specification 1,196,797.
GB50252/67A 1966-11-25 1967-11-06 Improvements in Current-Limiting Electric Circuit Breakers Expired GB1198468A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US597119A US3412349A (en) 1966-11-25 1966-11-25 Current-limiting electric circuit breaker

Publications (1)

Publication Number Publication Date
GB1198468A true GB1198468A (en) 1970-07-15

Family

ID=24390162

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50252/67A Expired GB1198468A (en) 1966-11-25 1967-11-06 Improvements in Current-Limiting Electric Circuit Breakers

Country Status (6)

Country Link
US (1) US3412349A (en)
JP (1) JPS4526955B1 (en)
DE (1) DE1588260A1 (en)
ES (1) ES346890A1 (en)
FR (1) FR1545295A (en)
GB (1) GB1198468A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146855A (en) * 1977-09-06 1979-03-27 Square D Company Low profile multi-pole circuit breaker having multiple toggle springs
US5479143A (en) * 1993-04-07 1995-12-26 Merlin Gerin Multipole circuit breaker with modular assembly
DE4406670C3 (en) * 1994-03-01 1999-09-09 Kopp Heinrich Ag Miniature circuit breaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2844689A (en) * 1956-06-21 1958-07-22 Wadsworth Electric Mfg Co Circuit breaker
US3012118A (en) * 1958-10-29 1961-12-05 Ite Circuit Breaker Ltd Current limiting circuit breaker
US3043934A (en) * 1959-11-24 1962-07-10 Ite Circuit Breaker Ltd Bolted connection for current limiting fuses

Also Published As

Publication number Publication date
US3412349A (en) 1968-11-19
DE1588260A1 (en) 1970-12-17
FR1545295A (en) 1968-11-08
JPS4526955B1 (en) 1970-09-04
ES346890A1 (en) 1969-01-01

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed