EP1296340A1 - Klemmenabdeckkappe für die Anschlussklemmen eines mehrphasigen elektrischen Schaltgerätes - Google Patents
Klemmenabdeckkappe für die Anschlussklemmen eines mehrphasigen elektrischen Schaltgerätes Download PDFInfo
- Publication number
- EP1296340A1 EP1296340A1 EP01126643A EP01126643A EP1296340A1 EP 1296340 A1 EP1296340 A1 EP 1296340A1 EP 01126643 A EP01126643 A EP 01126643A EP 01126643 A EP01126643 A EP 01126643A EP 1296340 A1 EP1296340 A1 EP 1296340A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- terminal cover
- insulating material
- cover cap
- material housing
- leading
- 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
Links
Images
Classifications
-
- 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
- H01H9/02—Bases, casings, or covers
- H01H9/0264—Protective covers for terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective 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
- H01H73/02—Details
- H01H73/20—Terminals; Connections
-
- 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
- H01H2071/0242—Assembling parts of a circuit breaker by using snap mounting techniques
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
Definitions
- the present invention relates to a terminal cover for the connection terminals of a multi-phase electrical switching device with in one for all Phases common electrical housing of the switchgear housed electrical Terminals that are used for fastening electrical cables in the connection terminals, which are perpendicular to the cables, accessible from the surface of the insulating material housing via recesses Clamping screws are equipped.
- EP-A1-0051755 describes a cover device for securing connection terminals known from electrical installation devices.
- the covering device is approximately L-shaped in cross-section.
- This cover device is with at least one behind protrusions or recesses on the installation device gripping resilient nose held on the installation device.
- This cover device serves as protection against contact for the connection terminals and increases the Dielectric strength between the terminals of adjacent phases of the Installation device not.
- the object of the present invention is to provide a terminal cover for propose the connection terminals of a multi-phase electrical switching device, which increase the dielectric strength between the terminals neighboring phases of the switching device and thus the requirements of different standards, e.g. the USA standard UL508, in terms of dielectric strength between adjacent terminals of an electrical switching device corresponds and is economically advantageous.
- a terminal cover for propose the connection terminals of a multi-phase electrical switching device, which increase the dielectric strength between the terminals neighboring phases of the switching device and thus the requirements of different standards, e.g. the USA standard UL508, in terms of dielectric strength between adjacent terminals of an electrical switching device corresponds and is economically advantageous.
- the task is solved in that for securing the electrical Strength between the terminals of adjacent phases, the L-shaped trained, with one leg over the clamp screws leading recesses and with the other leg over to the connection terminals leading terminal openings extending terminal cover on their side facing the insulating material housing in the edge area of the with the connection openings on the insulating housing a negligibly small air gap is tight that the terminal cover on their surface facing away from the insulating housing between the the cap openings leading the connection terminals with protruding, the required Ribs securing creepage is provided.
- Different norms require testing of the dielectric strength between the neighboring ones Terminals of an electrical switching device.
- the terminal cover cap can be connected to the finished switching device before connecting the electrical lines can be permanently attached by snap connections.
- Various Standards require that a terminal cover on the insulating housing must be permanently attached. This is provided by the unsolvable snap connections achieved.
- the terminal cover cap advantageously has the insulating material housing on it facing side at least one in the insulating housing behind Holding extension and at least one on a projection of the insulating housing snapping nose. This arrangement enables the permanent attachment of the terminal cover to the insulating housing without Screw connection, which is particularly advantageous for relatively small switching devices is.
- the L-shaped terminal cover cap can be in the area of the connection terminals leading recesses screwed to the insulating housing and with the perpendicular to the leg on the insulating housing with at least one on the insulating housing behind the stop and with at least one attached to a projection of the insulating housing engaging snap nose his.
- the snap nose that engages the insulating material housing secures the non-detachable Fastening the terminal cover cap to the insulating housing.
- the terminal cover cap can be inserted into the cavity of the connection terminals have recesses protruding from adjacent phases leading recesses.
- the recesses in the cavity leading to the connection terminals engaging separation processes serve as an electrical barrier and increase the limit of the minimum test voltage required for the switching device.
- Fig.1 a relatively small electrical switching device is in perspective shown.
- the switchgear with switch contact pieces, contact actuation mechanism and terminals is housed in an insulating housing 1.
- the electrical lines, not shown, can pass through the connection openings 5, 6, 7 to the connection terminals.
- the for Attachment of the electrical cables provided in the connection terminals Clamping screws perpendicular to the cables are from the surface of the insulating housing 1 accessible through the cutouts 2, 3, 4.
- For between the connection terminals on the The surface of the insulating material does not have a creepage distance that is different To maintain the prescribed test voltage. Since it brings in 2, 3 and 4 shown terminal cover 8 remedy.
- FIGS. 2 and 3 show the terminal cover cap 8 from the side facing away from the insulating material housing 1.
- FIGS. 2 and 3 show the terminal cover cap 8 from the side facing away from the insulating material housing 1.
- FIGS. 2 and 3 show the terminal cover cap 8 from the side facing away from the insulating material housing 1.
- FIGS. 2 and 3 show the terminal cover cap 8 from the side facing away from the insulating material housing 1.
- FIGS. 2 and 3 show the terminal cover cap 8 from the side facing away from the insulating material housing 1.
- FIGS. 2 and 3 show the terminal cover cap 8 from the side facing away from the insulating material housing 1.
- FIGS. 2 and 3 show the terminal cover cap 8 from the side facing away from the insulating material housing 1.
- FIGS. 2 and 3 show the terminal cover cap 8 from the side facing away from the insulating material housing 1.
- FIGS. 2 and 3 show the terminal cover cap 8 from the side facing away from the insulating material housing 1.
- FIGS. 2 and 3 show the terminal cover cap
- the L-shaped terminal cover cap 8 attached to the switching device extends with one leg over the to the clamping screws leading recesses 2, 3, 4 and with the other leg over to the Terminals leading connection openings 5, 6, 7.
- Fig.4 you can see two holding extensions 19, 20, which when mounting the terminal cover 8 on the switching device into the holding openings 21 made in the insulating material housing 1 be introduced.
- At the end of the insertion movement in the direction of arrow 48 grips the snap nose 22 visible in FIG. 4 lying at the end of a groove Projection 23 of the insulating material housing 1 and ensures a permanent connection between the terminal cover 8 and the insulating housing 1.
- This Inseparable connection is prescribed in various standards.
- the terminal cover 8 lies with the insulating material housing 1 facing Edge areas of the cap openings 9, 10, 11 at the edge areas of the connection openings 5, 6, 7 of the insulating housing 1 closely. This around Connection openings 5, 6, 7 closely fitting parts of the terminal cover 8 increase the electrical strength between the terminals of the electrical Device detectable, so that in the different regulations required electrical strength between the terminals of an electrical Switching device is accessible using the terminal cover 8.
- the Partition extensions 24 can have different shapes and accordingly only on part or all of the circumference of the recesses 5, 6, 7 in this protrude.
- the terminal cover cap 32 shown in FIGS. 6, 7 and 8 is for a larger switching device provided.
- the basic arrangement is similar to has previously been described for a smaller switching device.
- the most essential The difference between the two arrangements is that this one Arrangement not only the terminal cover cap 32 on the insulating housing 25 fastened by a snap connection, but also by a screw connection is.
- the insulating material housing 25 in FIG. 5 also encloses the switch contact pieces, the contact operating mechanism and the terminals.
- the not shown electrical lines are through the connection openings 29, 30, 31 introduced to the connection terminals and there with the through the recesses 26, 27, 28 accessible clamping screws clamped.
- Terminal cover cap 32 With the help of Terminal cover cap 32 is also the electrical strength in this arrangement between the terminals increased.
- terminal cover caps 32 In this arrangement, too, there is between those in FIGS. 6 and 7 shown terminal cover caps 32 only a scale difference.
- Figure 8 shows this terminal cover cap 32 of the insulator housing 25 facing Page ago. This figure 8 shows the feed to the electrical cables to the cap openings serving the connection terminals 50, 51, 52.
- the terminal cover 32 is of the Insulated housing opposite side shown.
- Figures 6, 7 one recognizes the protruding ribs 36, 37, which extend the creepage distance between adjacent terminals and thus to increase the serve electrical strength.
- the side end ribs 38,39 are too clearly visible.
- the L-shaped terminal cover cap attached to the switchgear 32 extends with its one leg over to the connection terminals leading connection openings 29, 30, 31. This leg is during assembly the terminal cover cap 32 with the screws 40 on the insulating housing 25 screwed. This leg carries on its facing the insulating housing 25 Side two holding stops 41, 42, which are installed in the two engage on the molded housing 25 formed gaps 43, 44. During installation the terminal cover cap 32 becomes this after the insertion of the holding stops 41, 42 into the gaps 43, 44 in the direction of arrow 49 on the insulating housing 25 pressed until the on the inside of the other leg of the L-shaped terminal cap 32 molded snap 45 behind the am End of a groove lying projection 46 engages. This snap connection secures the inseparable connection between the terminal cover cap 32 and the insulating housing 25. The screws are used to secure the terminal cover cap 32 40, which hold the terminal cover cap 32 on the insulating housing 25.
- the terminal cover cap 32 also lies with the insulating material housing 25 facing edge areas of the cap openings 50, 51, 52 at the edge areas the connection openings 29, 30, 31 of the insulating housing 25 closely.
- the closely spaced insulating material parts increase between the connection terminals of the electrical switching device in comparison to the electrical strength with electrical strength without terminal cover cap 32.
- the arm 47 of the terminal cap provided with a positioning pin 32 only serves as an assembly aid.
- Terminal cover caps 8 and 32 on both connection sides of a symmetrical trained electrical switching device can be installed.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
- Fig.1
- die perspektivische Darstellung eines verhältnismässig kleinen elektrischen Schaltgerätes ohne Klemmenabdeckkappe,
- Fig.2
- eine dazu passende Klemmenabdeckkappe
- Fig.3
- die in Fig.2 gezeigte Klemmenabdeckkappe in einem anderen Masstab von der dem Schaltgerät abgekehrten Seite her gesehen und
- Fig.4
- von der dem Schaltgerät zugekehrten Seite her gesehen,
- Fig.5
- die perspektivische Darstellung eines verhältnismässig grossen elektrischen Schaltgerätes ohne Klemmenabdeckkappe und
- Fig.6
- eine Klemmenabdeckkappe dazu,
- Fig.7
- die in Fig.6 gezeigte Klemmenabdeckkappe in einem anderen Masstab von der dem Schaltgerät abgekehrten Seite her gesehen und
- Fig.8
- von der dem Schaltgerät zugekehrten Seite her gesehen.
Claims (5)
- Klemmenabdeckkappe (8, 32) für die Anschlussklemmen eines mehrphasigen elektrischesn Schaltgerätes mit in einem für alle Phasen gemeinsamen Isolierstoffgehäuse (1, 25) des Schaltgerätes untergebrachten elektrischen Anschlussklemmen, die mit für die Befestigung von elektrischen Leitungen in den Anschlussklemmen dienenden, senkrecht zu den Leitungen stehenden, von der Oberfläche des Isolierstoffgehäuses (1, 25) über Aussparungen (2, 3, 4, 26, 27, 28) zugänglichen Klemmschrauben ausgerüstet sind, dadurch gekennzeichnet, dass zur Sicherung der elektrischen Festigkeit zwischen den Anschlussklemmen benachbarter Phasen, die L-förmig ausgebildete, mit dem einen Schenkel sich über die zu den Klemmschrauben führenden Aussparungen (2, 3, 4, 26, 27, 28) und mit dem anderen Schenkel über die zu den Anschlussklemmen führenden Anschlussöffnungen (5, 6, 7, 29, 30, 31) erstreckende Klemmenabdeckkappe (8, 32) an ihrer dem Isoliestoffgehäuse (1, 25) zugekehrten Seite im Randbereich der zu den Anschlussklemmen führenden Anschlussöffnungen (5, 6, 7, 29, 30, 31) mit einem vernachlässigbar kleinen Luftspalt eng anliegt, dass die Klemmenabdeckkappe (8, 32) an ihrer dem Isolierstoffgehäuse (1, 25) abgekehrten Oberfläche zwischen den zu den Anschlussklemmen führenden Kappenöffnungen (9, 10, 11, 50, 51, 52) mit vorstehenden, den erforderlichen Kriechweg sicherden Rippen (15, 16, 36, 37) versehen ist.
- Klemmenabdeckkappe nach Anspruch 1, dadurch gekennzeichnet, dass die Klemmenabdeckkappe (8, 32) am fertigen Schaltgerät vor dem Anschluss der elektrischen Leitungen durch Schnappverbindungen unlösbar angebracht ist.
- Klemmenabdeckkappe nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass die Klemmenabdeckkappe (8) an ihrer dem Isolierstoffgehäuse (1) zugekehrten Seite mindestens einen im Isolierstoffgehäuse (1) hintergreifende Haltefortsatz (19, 20) und mindestens eine an einem Vorsprung (23) des Isolierstoffgehäuses (1) hintergreifende Schnappnase (22) aufweist.
- Klemmenabdeckkappe nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass die L-förmige Klemmenabdeckkappe (32) im Bereich der zu den Anschlussklemmen führenden Aussparungen (29, 30, 31) am Isolierstoffgehäuse (25) angeschraubt und mit dem senkrecht dazu stehenden Schenkel am Isolierstoffgehäuse (25) mit mindestens einem am Isolierstoffgehäuse (25) hintergreifenden Halteanschlag (41, 42) und mit mindestens einer an einem Vorsprung (46) des Isolierstoffgehäuses (25) angreifenden Schnappnase (45) befestigt ist.
- Klemmenabdeckkappe nach einem der Ansprüche 1 bis 4, dadurch gekennzechnet, dass die Klemmenabdeckkappe (8) in den Hohlraum der zu den Anschlussklemmen benachbarter Phasen führenden Aussparungen (5, 6, 7) hineinragende Trennfortsätze (24) aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01759/01A CH695404A5 (de) | 2001-09-24 | 2001-09-24 | Klemmenabdeckkappe für die Anschlussklemmen eines mehrphasigen elektrischen Schaltgerätes. |
CH17592001 | 2001-09-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1296340A1 true EP1296340A1 (de) | 2003-03-26 |
EP1296340B1 EP1296340B1 (de) | 2007-03-07 |
Family
ID=4566168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01126643A Expired - Lifetime EP1296340B1 (de) | 2001-09-24 | 2001-11-08 | Klemmenabdeckkappe für die Anschlussklemmen eines mehrphasigen elektrischen Schaltgerätes |
Country Status (6)
Country | Link |
---|---|
US (1) | US6767242B2 (de) |
EP (1) | EP1296340B1 (de) |
JP (1) | JP2003178636A (de) |
AT (1) | ATE356417T1 (de) |
CH (1) | CH695404A5 (de) |
DE (1) | DE50112163D1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2870636A1 (fr) * | 2004-05-19 | 2005-11-25 | Fuji Elec Fa Components & Sys | Coupe-circuit et cache-bornes |
WO2012013442A1 (de) * | 2010-07-28 | 2012-02-02 | Siemens Aktiengesellschaft | Klemmanordnung für einen leistungsschalter in federzugtechnik |
DE102011082191A1 (de) * | 2011-09-06 | 2013-03-07 | Siemens Aktiengesellschaft | Isolationsvorrichtung und Schutzschaltgerät |
WO2017009557A1 (fr) * | 2015-07-16 | 2017-01-19 | Safran Electrical & Power | Dispositif de connexion électrique raccordable à plusieurs câbles avec protection contre les dommages par corps étrangers |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8169283B2 (en) * | 2010-03-03 | 2012-05-01 | Schneider Electric USA, Inc. | Circuit breaker trip unit support |
JP5910243B2 (ja) * | 2012-03-29 | 2016-04-27 | ブラザー工業株式会社 | 工作機械用制御装置 |
CN103745886B (zh) * | 2014-01-14 | 2015-11-25 | 德力西电气有限公司 | 一种增加接触器绝缘性能的防护罩及外壳结构 |
JP6468067B2 (ja) * | 2015-05-13 | 2019-02-13 | 三菱電機株式会社 | 端子カバーおよび開閉装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0051755A1 (de) * | 1980-11-07 | 1982-05-19 | BROWN, BOVERI & CIE Aktiengesellschaft | Abdeckvorrichtung zur Sicherung von Anschlussklemmen von elektrischen Installationsgeräten |
GB2099631A (en) * | 1981-04-15 | 1982-12-08 | Mitsubishi Electric Corp | Electric circuit breaker with a terminal cover |
DE3536213A1 (de) * | 1985-10-10 | 1987-04-16 | Siemens Ag | Sicherungslasttrennschalter |
FR2732158A1 (fr) * | 1995-03-24 | 1996-09-27 | Kloeckner Moeller Gmbh | Appareil de commutation basse tension, muni d'un dispositif de protection contre les contacts accidentels |
US5831498A (en) * | 1997-04-30 | 1998-11-03 | Eaton Corporation | Molded case circuit breaker with adapter for use with ring lug terminations |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3608535C1 (en) * | 1986-03-14 | 1987-05-14 | Wieland Elek Sche Ind Gmbh F | Electrical terminal block having a name-plate support |
WO1994013032A1 (en) * | 1992-12-03 | 1994-06-09 | Communications Technology Corporation | Sealed insulation displacement terminal block |
JP3681576B2 (ja) * | 1999-06-02 | 2005-08-10 | 矢崎総業株式会社 | コネクタ用カバーの装着構造 |
US6325675B1 (en) * | 2000-01-14 | 2001-12-04 | Ilsco Corporation | Electrical-connector insulating cover having a hinged access cover |
US6238234B1 (en) * | 2000-02-26 | 2001-05-29 | Marconi Communications, Inc. | Terminal block with reduced dielectric material |
-
2001
- 2001-09-24 CH CH01759/01A patent/CH695404A5/de not_active IP Right Cessation
- 2001-11-08 DE DE50112163T patent/DE50112163D1/de not_active Expired - Fee Related
- 2001-11-08 EP EP01126643A patent/EP1296340B1/de not_active Expired - Lifetime
- 2001-11-08 AT AT01126643T patent/ATE356417T1/de not_active IP Right Cessation
-
2002
- 2002-09-12 US US10/242,501 patent/US6767242B2/en not_active Expired - Fee Related
- 2002-09-24 JP JP2002278190A patent/JP2003178636A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0051755A1 (de) * | 1980-11-07 | 1982-05-19 | BROWN, BOVERI & CIE Aktiengesellschaft | Abdeckvorrichtung zur Sicherung von Anschlussklemmen von elektrischen Installationsgeräten |
GB2099631A (en) * | 1981-04-15 | 1982-12-08 | Mitsubishi Electric Corp | Electric circuit breaker with a terminal cover |
DE3536213A1 (de) * | 1985-10-10 | 1987-04-16 | Siemens Ag | Sicherungslasttrennschalter |
FR2732158A1 (fr) * | 1995-03-24 | 1996-09-27 | Kloeckner Moeller Gmbh | Appareil de commutation basse tension, muni d'un dispositif de protection contre les contacts accidentels |
US5831498A (en) * | 1997-04-30 | 1998-11-03 | Eaton Corporation | Molded case circuit breaker with adapter for use with ring lug terminations |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2870636A1 (fr) * | 2004-05-19 | 2005-11-25 | Fuji Elec Fa Components & Sys | Coupe-circuit et cache-bornes |
US7170020B2 (en) | 2004-05-19 | 2007-01-30 | Fuji Electric Fa Components & Systems Co., Ltd. | Circuit breaker and terminal cover |
WO2012013442A1 (de) * | 2010-07-28 | 2012-02-02 | Siemens Aktiengesellschaft | Klemmanordnung für einen leistungsschalter in federzugtechnik |
US8987619B2 (en) | 2010-07-28 | 2015-03-24 | Siemens Aktiengesellschaft | Terminal assembly for a power switch in tension spring technology |
DE102011082191A1 (de) * | 2011-09-06 | 2013-03-07 | Siemens Aktiengesellschaft | Isolationsvorrichtung und Schutzschaltgerät |
DE102011082191B4 (de) * | 2011-09-06 | 2021-06-24 | Siemens Aktiengesellschaft | Isolationsvorrichtung, Schutzschaltgerät und Sammelschienen-verbund |
WO2017009557A1 (fr) * | 2015-07-16 | 2017-01-19 | Safran Electrical & Power | Dispositif de connexion électrique raccordable à plusieurs câbles avec protection contre les dommages par corps étrangers |
FR3039008A1 (fr) * | 2015-07-16 | 2017-01-20 | Labinal Power Systems | Dispositif de connexion electrique raccordable a plusieurs cables avec protection contre les dommages par corps etrangers |
CN107851923A (zh) * | 2015-07-16 | 2018-03-27 | 赛峰电气与电源公司 | 能够防御外物损坏的可连接多根缆线的电连接装置 |
US10158184B2 (en) | 2015-07-16 | 2018-12-18 | Safran Electrical & Power | Electrical connection device having a terminal block and a busbar assembly for connecting multiple cables |
CN107851923B (zh) * | 2015-07-16 | 2020-05-19 | 赛峰电气与电源公司 | 能够防御外物损坏的可连接多根缆线的电连接装置 |
Also Published As
Publication number | Publication date |
---|---|
ATE356417T1 (de) | 2007-03-15 |
EP1296340B1 (de) | 2007-03-07 |
US20030068923A1 (en) | 2003-04-10 |
US6767242B2 (en) | 2004-07-27 |
DE50112163D1 (de) | 2007-04-19 |
CH695404A5 (de) | 2006-04-28 |
JP2003178636A (ja) | 2003-06-27 |
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