EP0829896A3 - Magnetic trip device, in particular for a fault current circuit breaker - Google Patents

Magnetic trip device, in particular for a fault current circuit breaker Download PDF

Info

Publication number
EP0829896A3
EP0829896A3 EP97810591A EP97810591A EP0829896A3 EP 0829896 A3 EP0829896 A3 EP 0829896A3 EP 97810591 A EP97810591 A EP 97810591A EP 97810591 A EP97810591 A EP 97810591A EP 0829896 A3 EP0829896 A3 EP 0829896A3
Authority
EP
European Patent Office
Prior art keywords
armature
circuit breaker
current circuit
fault current
trip device
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
EP97810591A
Other languages
German (de)
French (fr)
Other versions
EP0829896A2 (en
EP0829896B1 (en
Inventor
Dominique Girardin
Siegfried Mayer
Siegfried Münzer
Gerhard Schneider
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 Schweiz 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 EP0829896A2 publication Critical patent/EP0829896A2/en
Publication of EP0829896A3 publication Critical patent/EP0829896A3/en
Application granted granted Critical
Publication of EP0829896B1 publication Critical patent/EP0829896B1/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
    • H01H71/10—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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Electromagnets (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

A magnetic release or trip includes a magnetic circuit fed by a permanent magnet (11) and containing a U-shaped yoke (9) and an armature (5) bridging the ends of the 'U' of the yoke in the closed state of the magnetic circuit; also included is a pre-tensioned spring element for biasing the armature against the force of the permanent magnet. At least one coil-spring (19,20) of the spring element (18) has a winding axis aligned in the extension of the tilting edge (23) for hinge-mounting of the armature and including two limbs (24,25), the first (24) being held stationary and the second (25) being mounted in a retainer of the armature (5).
EP97810591A 1996-09-12 1997-08-21 Magnetic trip device, in particular for a fault current circuit breaker Expired - Lifetime EP0829896B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19637076A DE19637076A1 (en) 1996-09-12 1996-09-12 Magnetic release, especially for a residual current circuit breaker
DE19637076 1996-09-12

Publications (3)

Publication Number Publication Date
EP0829896A2 EP0829896A2 (en) 1998-03-18
EP0829896A3 true EP0829896A3 (en) 2000-10-25
EP0829896B1 EP0829896B1 (en) 2005-10-19

Family

ID=7805368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810591A Expired - Lifetime EP0829896B1 (en) 1996-09-12 1997-08-21 Magnetic trip device, in particular for a fault current circuit breaker

Country Status (4)

Country Link
EP (1) EP0829896B1 (en)
AT (1) ATE307384T1 (en)
DE (2) DE19637076A1 (en)
ES (1) ES2251733T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19837059A1 (en) * 1998-08-17 2000-02-24 Maier & Cie C Tripping device for a circuit breaker, in particular a residual current circuit breaker
DE102004044977B4 (en) * 2004-09-16 2007-03-29 Siemens Ag Trip relay for a residual current device
EP4266340A1 (en) 2022-04-22 2023-10-25 ABB Schweiz AG Improvements in magnetic relays

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2133645A1 (en) * 1970-07-21 1972-02-17 Maier & Cie C Magnet trigger
DE2649522A1 (en) * 1975-11-13 1977-05-18 Saparel ELECTROMAGNETIC RELAY
GB2045001A (en) * 1979-03-01 1980-10-22 Ave Belli Andrea High sensitivity polarised release device
DE3528470A1 (en) * 1985-08-08 1987-02-19 Bbc Brown Boveri & Cie Residual current device
DE3643510A1 (en) * 1986-12-19 1988-06-30 Felten & Guilleaume Energie MAGNETIC SYSTEM FOR QUICK SHUTDOWN
DE3838444A1 (en) * 1988-11-12 1990-05-17 Felten & Guilleaume Energie MAGNETIC SYSTEM FOR QUICK SHUTDOWN
DE4111092A1 (en) * 1991-04-07 1992-10-08 Schiele Gmbh & Co Kg Fault current relay

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2133645A1 (en) * 1970-07-21 1972-02-17 Maier & Cie C Magnet trigger
DE2649522A1 (en) * 1975-11-13 1977-05-18 Saparel ELECTROMAGNETIC RELAY
GB2045001A (en) * 1979-03-01 1980-10-22 Ave Belli Andrea High sensitivity polarised release device
DE3528470A1 (en) * 1985-08-08 1987-02-19 Bbc Brown Boveri & Cie Residual current device
DE3643510A1 (en) * 1986-12-19 1988-06-30 Felten & Guilleaume Energie MAGNETIC SYSTEM FOR QUICK SHUTDOWN
DE3838444A1 (en) * 1988-11-12 1990-05-17 Felten & Guilleaume Energie MAGNETIC SYSTEM FOR QUICK SHUTDOWN
DE4111092A1 (en) * 1991-04-07 1992-10-08 Schiele Gmbh & Co Kg Fault current relay

Also Published As

Publication number Publication date
EP0829896A2 (en) 1998-03-18
DE59712447D1 (en) 2005-11-24
ES2251733T3 (en) 2006-05-01
EP0829896B1 (en) 2005-10-19
ATE307384T1 (en) 2005-11-15
DE19637076A1 (en) 1998-03-19

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