EP0561293B1 - Deckel für die Frontseite von elektrischen Schaltgeräten mit Kipphebelbetätigung, insbesondere Niederspannungs-Leistungsschaltern - Google Patents

Deckel für die Frontseite von elektrischen Schaltgeräten mit Kipphebelbetätigung, insbesondere Niederspannungs-Leistungsschaltern Download PDF

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Publication number
EP0561293B1
EP0561293B1 EP93104021A EP93104021A EP0561293B1 EP 0561293 B1 EP0561293 B1 EP 0561293B1 EP 93104021 A EP93104021 A EP 93104021A EP 93104021 A EP93104021 A EP 93104021A EP 0561293 B1 EP0561293 B1 EP 0561293B1
Authority
EP
European Patent Office
Prior art keywords
cover
bearing
switch
rocker arm
casing
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 - Lifetime
Application number
EP93104021A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0561293A1 (de
Inventor
Wolfgang Kutsche
Wolfgang Kremers
Andreas Baldewein
Gerd Hentschel
Gerd Voiss
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.)
Eaton Industries GmbH
Original Assignee
Kloeckner Moeller GmbH
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 Kloeckner Moeller GmbH filed Critical Kloeckner Moeller GmbH
Publication of EP0561293A1 publication Critical patent/EP0561293A1/de
Application granted granted Critical
Publication of EP0561293B1 publication Critical patent/EP0561293B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H2009/188—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks with indication of rating
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/7472—Means for adjusting the conditions under which the device will function to provide protection with antitamper means for avoiding unauthorised setting
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel
    • 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
    • H01H71/66—Power reset mechanisms
    • H01H71/70—Power reset mechanisms actuated by electric motor

Definitions

  • the invention relates to a cover for the front of electrical switching devices with rocker arm actuation, in particular low-voltage circuit breakers, according to the preamble of claim 1.
  • the front of the switch housing can be covered with a cover, which can have a slot-shaped opening for the rocker arm of the switch lock and on both sides of it fastening devices for a mechanical rotary drive or a motor drive.
  • the cover can also cover spaces for shunt releases and / or auxiliary switches and the like arranged on both sides of the rocker arm on the switch housing.
  • Such covers are usually screwed to the switch housing, which requires a comparatively large assembly effort.
  • To open the cover for example to replace the shunt release and / or auxiliary switch located next to the rocker arm on the switch housing, the screw connections must be loosened completely. The cover is then put down with the screws wherever there is space. If the assembly work is interrupted, the cover and the screws can be lost. Also, with simultaneous assembly work on several side-by-side switchgear, the cover of the device can be easily confused, which must be avoided in particular if the switchgear is designed differently and certain labels and symbols, different from switchgear to switchgear, are attached to the cover.
  • a comparatively large amount of assembly work is also necessary with such screwed covers if, for example, a mechanical rotary drive for the rocker arm attached to the cover is to be replaced by a motor drive.
  • the rotary drive can also be partially screwed directly to the switch housing and partially to a mounting plate or control cabinet door.
  • a cover which is non-releasably attached to the inside of the switch housing by means of laterally projecting bearing legs with bearing openings. After loosening a screw connection, the cover can be pivoted against the prestressing force of an elastic and sealing means for viewing the contact spaces by an acute angle and swings back into its closed position when released. There is therefore no use of this cover for installing or mounting shunt releases and / or auxiliary switches.
  • a rotary drive or a motor drive would have to be fastened outside the cover, since the cover neither has suitable fastening options for it nor does it encompass the rocker arm or is adjacent to it.
  • the invention has for its object to provide a cover according to the preamble of claim 1, in particular with a mounting option for rotary actuators, that on the one hand the assembly work when fastening and opening the cover are simplified and on the other hand the risk of confusing covers of different types of switching devices as well the risk of losing the cover is largely avoided in the simplest possible and assembly-friendly manner.
  • the invention has the advantage that the cover is held by the rotary bearing on the switch housing with fewer screws essentially captive, without hindering the installation and assembly of suitable shunt releases and / or auxiliary switches in the spaces provided next to the rocker arm of the switching device when the cover is open .
  • the bearing legs of the cover are designed as resilient bearing clips that can be snapped into the interlocking pivot pins and pivot openings on the side walls of the switch housing, the cover can be easily mounted on the switch housing at any time and also removed again. This is particularly advantageous if, for example, a mechanical rotary drive for the rocker arm of the key switch is attached to the cover and is to be replaced by a motor drive.
  • the cover has a step-like protruding planar approach in the area of the fastening of the rotary drive as a base for the housing of the rotary drive, so that the assembly unit of the cover and the mechanical rotary drive can be replaced by a corresponding other structural unit of the cover and motor drive by simply clipping onto the switch housing.
  • the internal dimensions of the housing of the rotary drive match the external dimensions of the step-shaped approach correspond so that the housing overlaps the approach edge.
  • the lid can have several openings or openings for screws for fastening the rotary drive on the inside of the step-shaped extension on both sides of the recess for the rocker arm of the switching lock for the switch lock, which are closed towards the front of the cover by thin, film-like wall parts suitable for puncturing.
  • the cover below the cover of the switch lock and the spaces for shunt releases and / or auxiliary switches has a cover panel with window-like openings for reading the setting values on a trigger block arranged below the switch lock.
  • the cover surfaces on both sides of the rocker arm can be used to hold identification and rating plates, while the cover block below can be used to protect the release block underneath against unauthorized manipulation in a simple manner.
  • the cover can also have an opening on one of its two longitudinal edges for the passage of a sealing wire, which makes it possible to detect an unauthorized opening of the cover.
  • the cover is made of a resilient, dimensionally stable plastic, such as polycarbonate or polyester thermoplastic, which gives the angled legs with the pivot bearings sufficient strength for clipping onto the switch housing.
  • the bearing legs of the cover can also have end edges that are angled with respect to the front of the cover and come into contact with vertical counter-stop edges on the side walls of the switch housing when the cover is open horizontally, which is set back against the front of the switch housing next to the interlocking pivot pins and pivot bearing openings for the bearing legs are.
  • the opened lid is securely held in the horizontal position and can be used as a storage for small parts, auxiliary switches and the like during assembly work to serve.
  • these stops can be omitted if the rotary drive is too heavy or if the cover is subjected to a greater load, so that the cover can be freely folded down to the fully open position on the switch housing.
  • FIG. 1 to 3 show an electrical switching device 1 with rocker arm actuation, namely a low-voltage circuit breaker, with a cover 2 on the front of the switch housing 3, which is formed with a slot-shaped opening 4 for the rocker arm 5 of the switch lock and also has fastening devices for a mechanical rotary drive 31 or a motor drive.
  • the cover 2 is also dimensioned such that it also covers spaces 6, 7 arranged on both sides of the rocker arm 5 on the switch housing 3 for shunt releases and / or auxiliary switches and the like.
  • the cover 2 is formed with two parallel bearing legs 8, 9, which are angled by 90 ° with respect to the cover plane and the switch housing 3 laterally in a lower region reach over that the cover 2 can be folded down from the front 13 of the switch housing 3 by a pivot bearing 10 with coaxially interlocking pivot pins and pivot bearing openings on the two bearing legs 8, 9 and on the two housing side walls 11, 12.
  • the two parallel bearing legs 8, 9 of the cover 2 are designed as resilient bearing clips, which can be snapped into place with the interlocking pivot pins and pivot bearing openings on the side walls 11, 12 of the switch housing 3.
  • pivot bearing 10 can either pivot from the side walls 11, 12 of the switch housing 3 pivot pins protrude outwards, which engage in corresponding pivot bearing openings on the two bearing legs 8, 9.
  • coaxial rotary pivot pins 14, 15 each protrude inward from the bearing legs 8, 9 and engage in corresponding pivot bearing openings on the side walls 11, 12 of the switch housing 3.
  • the cover 2 has a step-like protruding planar extension 32, which serves as the bottom for the housing 33 of the rotary drive 31.
  • the inside dimensions of the housing 33 of the rotary drive 31 correspond to the outer dimensions of the step-shaped extension 32 such that the housing 33 overlaps the extension 32 on the edge.
  • the cover 2 is advantageously made of a resilient, particularly dimensionally stable plastic, such as polycarbonate or polyester thermoplastic, and has on its inside on both sides of the opening 4 for the rocker arm 5 of the key switch several openings 30 or openings for screws for fastening the rotary drive 31 for the Switch lock on, which are closed towards the lid front by thin, film-like wall parts suitable for puncturing.
  • the cover 2 has a cover panel 20 with window-like openings 21, 22 for reading the setting values on a release block 23 (FIGS. 1 to 3) which is below the Switch lock is arranged and has, for example, two knobs 24, 25 with setting marks and rotary slot 26 for screwdrivers such that the setting marks on the knobs 24, 25 can be read through the openings 21, 22 on the cover panel 20 with the cover 2 closed.
  • lugs 27, 28 protrude into these openings 21, 22 from below in a known manner, which, when the cover 2 is closed, cover the rotary slots 26 on the rotary buttons 24, 25.
  • the cover 2 also has an opening 29 on one of its two vertical longitudinal edges for the passage of a sealing wire, with which the cover 2 can be secured against uncontrolled opening.
  • the bearing legs 8, 9 can be angled at the end, preferably at an angle of 90 ° with respect to the front of the cover Stop edges 16, 17, which come to rest when the cover 2 is opened horizontally on corresponding vertical counter stop edges 18, 19 (FIGS. 1 and 2) on the side walls 11, 12 of the switch housing 3, the counter stop edges 18, 19 facing the front 13 of the switch housing 3 next to the interlocking pivot pin and pivot bearing openings for the bearing legs 8, 9 are set back accordingly.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP93104021A 1992-03-17 1993-03-12 Deckel für die Frontseite von elektrischen Schaltgeräten mit Kipphebelbetätigung, insbesondere Niederspannungs-Leistungsschaltern Expired - Lifetime EP0561293B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9203533U DE9203533U1 (de) 1992-03-17 1992-03-17 Deckel für die Frontseite von elektrischen Schaltgeräten mit Kipphebelbetätigung, insbesondere Niederspannungs-Leistungsschaltern
DE9203533U 1992-03-17

Publications (2)

Publication Number Publication Date
EP0561293A1 EP0561293A1 (de) 1993-09-22
EP0561293B1 true EP0561293B1 (de) 1996-09-18

Family

ID=6877327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93104021A Expired - Lifetime EP0561293B1 (de) 1992-03-17 1993-03-12 Deckel für die Frontseite von elektrischen Schaltgeräten mit Kipphebelbetätigung, insbesondere Niederspannungs-Leistungsschaltern

Country Status (4)

Country Link
US (1) US5362933A (da)
EP (1) EP0561293B1 (da)
AT (1) ATE143173T1 (da)
DE (2) DE9203533U1 (da)

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IT1264163B1 (it) * 1993-04-21 1996-09-17 Sace Spa Interruttore scatolato,munito di gruppi ausiliari
DE4408234C1 (de) * 1994-03-11 1995-06-14 Kloeckner Moeller Gmbh Gehäuseaufbau mit Zusatzeinrichtungen für Leistungsschalter
DE29615689U1 (de) * 1996-09-09 1996-10-31 Siemens AG, 80333 München Elektrisches Schaltgerät
US6518866B1 (en) * 1997-07-30 2003-02-11 General Electric Company Circuit breaker compartment door
US5857563A (en) * 1997-12-19 1999-01-12 Cooper Industries, Inc. Actuator for remotely operated circuit breakers
US6265680B1 (en) * 1999-02-02 2001-07-24 The Whitaker Corporation Electrical circuit breaker having an insulation displacement connector assembly
US6111486A (en) * 1999-04-08 2000-08-29 Eaton Corporation Trip unit settings lock out assembly
FR2793948B1 (fr) * 1999-05-20 2001-06-29 Schneider Electric Sa Relais de protection et ensemble de commande protege a cablage frontal
US6229418B1 (en) * 1999-08-18 2001-05-08 Eaton Corporation Circuit breaker with lockable trip unit
US6072132A (en) * 1999-09-28 2000-06-06 Eaton Corporation Apparatus for mounting a motor operator on a circuit
US6435631B1 (en) * 1999-12-29 2002-08-20 General Electric Company Decorative trim for unit doors used on new motor control center
US6528744B2 (en) 2000-06-16 2003-03-04 Deere & Company Cover for vehicle control switch
US6560106B2 (en) * 2001-08-31 2003-05-06 Hewlett Packard Development Company, L.P. Control panel assembly
US6797903B1 (en) 2004-02-11 2004-09-28 Siemens Energy & Automation, Inc. Extended rotary handle operator
USD587658S1 (en) 2005-05-10 2009-03-03 Abb S.P.A. Circuit breaker
CZ300119B6 (cs) * 2006-01-25 2009-02-11 Oez, S. R. O. Soustava elektrických prístroju, zvlášte výkonového jistice a doplnkových modulu
US7598834B2 (en) * 2007-03-28 2009-10-06 Eaton Corporation Electrical switching apparatus and accessory tray therefor
DE102007032841A1 (de) * 2007-07-12 2009-01-15 Abb Ag Installationsschaltgerät mit Isolierstoffgehäuse
FR2925215B1 (fr) * 2007-12-17 2009-12-25 Hager Electro Sas Couvercle secondaire pour appareil electrique a boitier moule
EP2109129B1 (en) * 2008-04-11 2016-03-30 ABB Technology AG Medium voltage circuit breaker with integrated electronic protection unit
US7907389B2 (en) * 2008-08-06 2011-03-15 Egs Electrical Group Llc Sealed circuit breaker
ITMI20090010A1 (it) * 2009-01-08 2010-07-09 Abb Spa Dispositivo di interruzione per impianti di bassa tensione
USD633446S1 (en) 2009-02-06 2011-03-01 Abb S.P.A. Circuit breaker
US8508917B2 (en) * 2010-03-26 2013-08-13 Egs Electrical Group, Llc Sealed circuit breaker
JP5589604B2 (ja) * 2010-06-25 2014-09-17 富士ゼロックス株式会社 機器
CN103403833B (zh) 2010-08-18 2016-09-14 艾普顿集团有限责任公司 密封的电路断路器
DE102011088743A1 (de) * 2011-12-15 2013-06-20 Siemens Ag Gehäuse für ein elektrisches Schaltgerät
DE102012203030A1 (de) * 2012-02-28 2013-08-29 Siemens Aktiengesellschaft Schaltvorrichtung
US8916789B2 (en) * 2012-09-14 2014-12-23 Intermec Ip Corp. Access door with integrated switch actuator
USD752524S1 (en) 2012-11-09 2016-03-29 Abb S.P.A. Circuit breaker
CN104517762B (zh) * 2014-12-22 2016-08-24 一二三电气有限公司 具有报警装置的双电源自动转换开关
US9673013B2 (en) * 2015-02-20 2017-06-06 Eaton Corporation Electrical switching apparatus, and interface assembly and display apparatus therefor
USD803790S1 (en) 2015-03-06 2017-11-28 General Electric Company Circuit breaker
US10170264B2 (en) * 2015-03-06 2019-01-01 Abb Schweiz Ag Information display system for switching device, switching device, and method
US9870878B2 (en) * 2015-03-06 2018-01-16 General Electric Company Information display system for switching device, switching device, and method

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Also Published As

Publication number Publication date
US5362933A (en) 1994-11-08
EP0561293A1 (de) 1993-09-22
ATE143173T1 (de) 1996-10-15
DE59303797D1 (de) 1996-10-24
DE9203533U1 (de) 1993-07-15

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