ES476739A1 - Magnetic trip device for fault current protection switch. - Google Patents

Magnetic trip device for fault current protection switch.

Info

Publication number
ES476739A1
ES476739A1 ES476739A ES476739A ES476739A1 ES 476739 A1 ES476739 A1 ES 476739A1 ES 476739 A ES476739 A ES 476739A ES 476739 A ES476739 A ES 476739A ES 476739 A1 ES476739 A1 ES 476739A1
Authority
ES
Spain
Prior art keywords
fault current
current protection
trip device
magnetic trip
protection 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
ES476739A
Other languages
Spanish (es)
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.)
ABB CMC Carl Meier AG
Original Assignee
CMC Carl Maier and Cie AG
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 CMC Carl Maier and Cie AG filed Critical CMC Carl Maier and Cie AG
Publication of ES476739A1 publication Critical patent/ES476739A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/24—Parts rotatable or rockable outside coil
    • H01H50/28—Parts movable due to bending of a blade spring or reed
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)

Abstract

The invention relates to a magnetic trip device for fault current protection switches having a trip coil, two pole pieces (3, 4), a moving armature (1), having a spring (2) acting thereon and a permanent magnet, the armature (1) being guided and held with respect to the pole pieces (3, 4), according to the invention, for precise guidance of the armature (1) with respect to the pole pieces (3, 4), by means of the spring (2) configured as a leaf spring.
ES476739A 1977-12-23 1978-12-23 Magnetic trip device for fault current protection switch. Expired ES476739A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1593377 1977-12-23

Publications (1)

Publication Number Publication Date
ES476739A1 true ES476739A1 (en) 1979-06-01

Family

ID=4413138

Family Applications (1)

Application Number Title Priority Date Filing Date
ES476739A Expired ES476739A1 (en) 1977-12-23 1978-12-23 Magnetic trip device for fault current protection switch.

Country Status (3)

Country Link
EP (1) EP0002748A1 (en)
ES (1) ES476739A1 (en)
IT (1) IT1100852B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3838444A1 (en) * 1988-11-12 1990-05-17 Felten & Guilleaume Energie MAGNETIC SYSTEM FOR QUICK SHUTDOWN

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748899C (en) * 1942-07-21 1944-11-13 Circuit breaker, especially for protection against fault current
US2391692A (en) * 1942-07-25 1945-12-25 Gen Electric Electromagnetic relay
DE903233C (en) * 1944-09-24 1954-02-04 Siemens Ag Movable power supply from bands or the like.
DE835624C (en) * 1949-09-30 1952-04-03 Berker Geb Electric circuit breaker, especially as protection against contact
BE542436A (en) * 1954-11-02
GB1025969A (en) * 1963-10-19 1966-04-14 Morphy Richards Cray Ltd Improvements relating to electro-mechanical relays
DE1937504B2 (en) * 1969-07-23 1972-06-22 Siemens AG, 1000 Berlin u 8000 München ARMATURE RETURN SPRING
BE759996A (en) * 1970-01-02 1971-05-17 Felten & Guilleaume Schaltanl TRIGGER FOR FAULT CURRENT PROTECTION CIRCUIT BREAKER
CH519242A (en) * 1970-07-21 1972-02-15 Carl Maier & Cie Elek Sche Sch Magnetic trigger

Also Published As

Publication number Publication date
IT1100852B (en) 1985-09-28
IT7830999A0 (en) 1978-12-19
EP0002748A1 (en) 1979-07-11

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