EP2614515B1 - Switching device and accessory on the connecting side - Google Patents

Switching device and accessory on the connecting side Download PDF

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Publication number
EP2614515B1
EP2614515B1 EP11761531.0A EP11761531A EP2614515B1 EP 2614515 B1 EP2614515 B1 EP 2614515B1 EP 11761531 A EP11761531 A EP 11761531A EP 2614515 B1 EP2614515 B1 EP 2614515B1
Authority
EP
European Patent Office
Prior art keywords
switching device
connection
guiding
locking
retaining
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.)
Active
Application number
EP11761531.0A
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German (de)
French (fr)
Other versions
EP2614515A1 (en
Inventor
Karsten Gerving
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 Electrical IP GmbH and Co KG
Original Assignee
Eaton Electrical IP GmbH and Co KG
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Application filed by Eaton Electrical IP GmbH and Co KG filed Critical Eaton Electrical IP GmbH and Co KG
Priority to PL11761531T priority Critical patent/PL2614515T3/en
Publication of EP2614515A1 publication Critical patent/EP2614515A1/en
Application granted granted Critical
Publication of EP2614515B1 publication Critical patent/EP2614515B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers
    • H01H9/0264Protective covers for terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/14Terminal arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/58Electric connections to or between contacts; Terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0207Mounting or assembling the different parts of the circuit breaker
    • H01H71/0214Housing or casing lateral walls containing guiding grooves or special mounting facilities
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08Terminals; Connections

Definitions

  • the invention relates to an electrical switching device for use in the low voltage range, in particular an electromagnetic switching device, with a switching device housing made of insulating molding material, with supply and load side cable connections, which are accessible at mutually opposite terminal sides of the switching device housing, and accessories, if necessary on the connection sides at least indirectly connectable to the switching device.
  • a cable terminal block is provided in a mold housing, which is positively connected to the supply or or and the load-side connection side of the switchgear housing.
  • the terminal sides of the switchgear housing each have two perpendicular to the front side of the switching device housing, rear grip trained groove-like guide and Garrungsausrise traditions, which can be brought into engagement and connection with two corresponding guide and Garrungsanformungen on Jardinklemmenblock.
  • a protective cover made of molding material is provided for the protection against contact with live parts.
  • the protective cover consists of two lateral protective walls, a front wall connecting these and the associated, intermediate barrier ribs.
  • the protective cover can optionally be mounted directly on the connection side of the switchgear housing or on the cable terminal block.
  • the protective cover is provided at one end with guide and Garrungsanformungen that correspond to the leadership and Garrungsanformen the cable terminal block in position and shape and can be brought into engagement and connection with the guide and Garrungsausappelgeber the switchgear housing.
  • To attach the Protective cover on the cable clamp block has these two perpendicular to the front side guide and support rails, which are engageable with corresponding guide and Garrungsausappel on the protective cover and connection.
  • By means of a molded onto the protective cover latch hook the protective cover can be locked in a specific position.
  • the protective cover extending transversely to the cable longitudinal direction of predetermined breaking lines.
  • a direct mounting of the protective cover to the switchgear housing is not provided.
  • the invention is based on the object of a simplification in terms of production and handling training a switching device with connection-side accessories.
  • the switchgear may be equipped with a protective cover alone, with a cable terminal block alone, with a cable terminal block together with a protective cover or without these accessories on one connection side or both connection sides. To realize the mentioned different combinations only similar fasteners are provided and no special instructions to observe.
  • the protective cover is advantageous to mount at different distances from the front side, for which purpose in addition to the at least first snap-in hook a corresponding and opposite to this offset arranged second snap-in hook is provided.
  • connection cable For better separation of the connection cable, it is expedient to provide the protective cover with barrier ribs.
  • barrier ribs For suitable adaptation to the connection conditions, e.g. to the length of the cable lugs connected to the connecting cables, it is also expedient to perform the protective cover by at least one predetermined breaking line ablated.
  • Fig. 1 to Fig. 4 show the different and advantageous combinations of a switching device 1, in the example in the form of a three-pole electromagnetic switching device, with its connection-side accessory according to the invention.
  • Fig. 1 shows the surrounded by a switching device housing 10 made of insulating molding material switching device 1 on its supply side terminal side 12 without inventive accessories. The indicated by cable lugs 14 connecting cable are bolted to cable connections 16 of the switching device 1.
  • a protective cover 2 made of insulating molding material were mounted, resulting in a far-reaching protection against live metal parts.
  • Fig. 2 shows the switching device 1 in combination with a mounted in front of the terminal side 13 and cable terminal block 3 with insulating molding material housing 17.
  • FIG. 3 shows similar to Fig. 2 a combination of the switching device 1 with the cable terminal block 3, but this time the access openings 18 are protected by finger protection caps 4 from touching.
  • the finger protection caps 4 are in new condition and can be pierced for the purpose of passing cable ends in a suitable manner on their lattice-like top surface 22.
  • Fig. 4 shows a combination of the switching device 1 with protective cover 2 and cable terminal block 3.
  • the cable terminal block 3 is mounted in front of the terminal side 13 of the switching device 1, and the protective cover 2 is mounted in front of the access openings 18 of the cable terminal block 3. This combination ensures both the connection of connection cables via the cable terminal block 3 as well as a far-reaching protection against live parts.
  • Fig. 5 and Fig. 6 is formed on the connection sides 12 and 13 of the switching device housing 10 each have a pair of first guide and Garrungsausappel traditions 24.
  • the groove-shaped guide and Garrungsausappel traditions 24 extend perpendicular to the front side 26 of the switching device 1, run to the front 26 open and are formed in their remote from the front side 26 area behind grip with L-shaped cross-section.
  • first locking cam 28 are also pairs of first locking cam 28 from which point with first sliding slopes 32 to the front side 26 and with a first locking surface 35 parallel and facing away from the front side 26.
  • the protective cover 2 consists of two lateral outer protective walls 38 and a front-side protective wall 39 connecting them. From the protective wall 39, inner barrier ribs 40 are provided parallel to the lateral protective walls 38, separating the connecting cables in poles.
  • the protective cover 2 on its front side 42 to be connected with the connection side 12 or 13 of the switching device 1 has a pair of strip-shaped first guiding and holding projections 44. Front side of the front-side protective wall 39, a pair of first spring tabs 46 is formed. The first spring tabs 46 are elastically bendable parallel to the protective walls 38 and 39. On each spring tab 46, a first latching hook 48 and a second latching hook 49 are each formed.
  • the latching hooks 48, 49 are of similar construction and point away from the front-side protective wall 39 with second sliding bevels 33 and extend parallel to the front-side protective wall 39 with second latching surfaces 36.
  • the latching hooks 48, 49 are in each case in the direction of the front-side protective wall 39 on each first spring clip 46 arranged one behind the other, wherein the second latching hooks 49 are closer to the front-side protective wall 39.
  • the cable clamp block 3 is provided on its back to the switching device 1 back wall 54 with a pair of strip-shaped second guide and Garrungsanformungen 45 which in mutual arrangement and shape of the first guiding and mounting projections 44 of the protective cover 2 Fig. 7 ) and are partially L-shaped. Furthermore, a pair of second spring tabs 47 is provided on the rear wall 54, each of which carries a third latching hook 50.
  • the third latching hooks 50 correspond in terms of their arrangement and shape, in particular with respect to a third sliding bevel 34 and a third latching surface 37, the second latching hook 49 of the protective cover 2 (FIG. Fig. 8 ).
  • the second guide and Garrungsanformungen 45 engage in the first guide and GarrungsausEnglishept 24 of the switching device housing 10 and thus make a hintergriffige connection.
  • the sliding bevels 32 of the first locking cam 28 slide over the sliding bevels 34 of the third latching hooks 50, which is locked by abutment of the locking surfaces 35 of the first locking cam 28 on the locking surfaces 37 of the third latching hook 50 of the cable terminal block 3.
  • a suitable tool on at the junctions of the rear wall 54 and second spring tabs 47 released second half-openings 53, the locking surfaces 35, 37 disengaged and thus the cable terminal block 3 are released from the switching device housing 10.
  • the cable terminal block 3 is provided on its front wall 56 facing away from the switching device 1 with a pair of groove-shaped second guide and GarrungsausappelInstitut 25 which correspond in arrangement and shape to the first guide and Garrungsausappel traditions 24 of the switching device 1. Furthermore, a pair of second locking cams 29 are provided on the front wall 56, which are arranged in front of the two outer access openings 18. With regard to their arrangement and shape, the second latching cams 29 resemble the first latching cam 28 on the switching device 1 (FIG. Fig. 1 ).
  • the first guide and Garrungsanformungen 44 of the protective cover 2 engage in the second guide and GarrungsausEnglishept 25 and thus make a behind-grip connection.
  • the second locking cam 29 with the first and second latching hooks 48 and 49 of the protective cover 2 together.
  • Fig. 2 and Fig. 3 is on the front wall 56 of the cable terminal block 3 on both sides next to each access opening 18, a pair of L-shaped terminal strips 58 integrally formed. Furthermore, in front of the central access opening 18, a second locking cam 29 equivalent additional locking cam 30 is provided.
  • the finger protection caps 4 are after Fig. 3 and 11 box-shaped with one of the lattice-like top surface 22 opposite open side and formed in Hutartigem profile with elastic side walls.
  • the finger protection caps 4 can be clamped behind the clamping strips 58 by means of the brim-like edge surfaces 60 of the elastic longitudinal sides 62.
  • the finger protection caps 4 are thereby determined via their respective front transverse side 64 by means of the locking cams 29, 30 in their position on the cable terminal block 3.
  • the top surfaces 22 are broken only to the extent that the ends of the cable to be connected can pass through, whereby a far-reaching finger protection is guaranteed against dangerous voltage contacts.
  • the protective cover 2 is after Fig. 7 parallel to its end face 42 provided with a through the side walls 38, 39 through predetermined breaking line 68.
  • the protective cover 2 can be shortened for suitable adaptation to cables to be connected.
  • Fig. 2 shows that the cable terminal block 3 is provided on its facing away from the switching device 1 front wall 56 with Ausbrechö réelleen 70 for underlying auxiliary conductor connections.
  • Ausbrechö réelleen 70 By breaking away the breakout openings 70 access to auxiliary conductor terminals for connecting auxiliary conductors for particular control or reporting signals is free.
  • Polweise each pair of locking cam 29, a pair of Ausbrechö réelleen 70 are provided.
  • auxiliary conductors can be connected as needed above or or and below to the auxiliary conductor connections.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Patch Boards (AREA)

Description

Die Erfindung betrifft ein elektrisches Schaltgerät zur Anwendung im Niederspannungsbereich, insbesondere ein elektromagnetisches Schaltgerät, mit einem Schaltgerätegehäuse aus isolierendem Formstoff, mit versorgungs- sowie lastseitigen Kabelanschlüssen, die an voneinander entgegen liegenden Anschlussseiten des Schaltgerätegehäuses zugänglich sind, und Zubehör, das bei Bedarf an den Anschlussseiten mit dem Schaltgerät wenigstens mittelbar verbindbar ist.The invention relates to an electrical switching device for use in the low voltage range, in particular an electromagnetic switching device, with a switching device housing made of insulating molding material, with supply and load side cable connections, which are accessible at mutually opposite terminal sides of the switching device housing, and accessories, if necessary on the connection sides at least indirectly connectable to the switching device.

Druckschrift DE 90 11 899 U1 als nächstliegender Stand der Technik offenbart ein elektromagnetisches Schaltgerät und anschlussseitiges Zubehör. Als Zubehör ist ein Kabelklemmenblock in einem Formgehäuse vorgesehen, der mit der versorgungs- oder bzw. und der lastseitigen Anschlussseite des Schaltgerätegehäuses formschlüssig verbindbar ist. Hierzu weisen die Anschlussseiten des Schaltgerätegehäuses jeweils zwei senkrecht zur Frontseite des Schaltgerätegehäuses verlaufende, hintergriffig ausgebildete nutenartige Führungs- und Halterungsausnehmungen auf, die mit zwei entsprechenden Führungs- und Halterungsanformungen am Kabelklemmenblock in Eingriff und Verbindung bringbar sind. Als weiteres Zubehör ist eine dem Berührungsschutz vor spannungsführenden Teilen dienende Schutzabdeckung aus Formstoff vorgesehen. Die Schutzabdeckung besteht aus zwei seitlichen Schutzwänden, einer diese verbindenden frontseitigen Schutzwand und mit dieser verbundenen, zwischenliegenden Trennrippen. Die Schutzabdeckung ist wahlweise direkt an der Anschlussseite des Schaltgerätegehäuses oder am Kabelklemmenblock montierbar. Zur Befestigung am Schaltgerätegehäuse ist die Schutzabdeckung an einer Stirnseite mit Führungs- und Halterungsanformungen ausgestattet, die den Führungs- und Halterungsanformungen des Kabelklemmenblocks in Lage und Form entsprechen und mit den Führungs- und Halterungsausnehmungen des Schaltgerätegehäuses in Eingriff und Verbindung bringbar sind. Zur Befestigung der Schutzabdeckung am Kabelklemmenblock weist dieser zwei senkrecht zur Frontseite verlaufende seitliche Führungs- und Halterungsschienen auf, die mit entsprechenden Führungs- und Halterungsausnehmungen an der Schutzabdeckung in Eingriff und Verbindung bringbar sind. Mittels eines an der Schutzabdeckung angeformten Rasthakens ist die Schutzabdeckung in einer bestimmten Position arretierbar. Zur Anpassung der Schutzabdeckung in ihrer Länge an gewünschte Erfordernisse weist die Schutzabdeckung quer zur Kabellängsrichtung verlaufenden Sollbruchlinien auf.pamphlet DE 90 11 899 U1 As the closest prior art discloses an electromagnetic switching device and terminal-side accessories. As an accessory, a cable terminal block is provided in a mold housing, which is positively connected to the supply or or and the load-side connection side of the switchgear housing. For this purpose, the terminal sides of the switchgear housing each have two perpendicular to the front side of the switching device housing, rear grip trained groove-like guide and Halterungsausnehmungen, which can be brought into engagement and connection with two corresponding guide and Halterungsanformungen on Kabelklemmenblock. As a further accessory, a protective cover made of molding material is provided for the protection against contact with live parts. The protective cover consists of two lateral protective walls, a front wall connecting these and the associated, intermediate barrier ribs. The protective cover can optionally be mounted directly on the connection side of the switchgear housing or on the cable terminal block. For attachment to the switchgear housing, the protective cover is provided at one end with guide and Halterungsanformungen that correspond to the leadership and Halterungsanformen the cable terminal block in position and shape and can be brought into engagement and connection with the guide and Halterungsausnehmungen the switchgear housing. To attach the Protective cover on the cable clamp block has these two perpendicular to the front side guide and support rails, which are engageable with corresponding guide and Halterungsausnehmungen on the protective cover and connection. By means of a molded onto the protective cover latch hook the protective cover can be locked in a specific position. To adapt the protective cover in length to desired requirements, the protective cover extending transversely to the cable longitudinal direction of predetermined breaking lines.

Demgegenüber wird bei einem Leistungsschalter nach Druckschrift DE 295 05 046 U1 ein Kabelklemmenblock auf das Schaltgerätegehäuse geschraubt. Bei der Befestigung einer Schutzabdeckung auf dem Kabelklemmenblock wirken an diesem vorgesehene anschlussseitige Leistenpaare, anschlussseitige Nuten sowie seitlich nach außen weisenden L-förmige Vertiefungen mit entsprechend an der Schutzabdeckung ausgebildeten stirnseitigen Schlitzpaaren bzw. stirnseitigen Klemmrippen bzw. seitlich nach innen weisenden Haltestegen zusammen. Eine unmittelbare Montage der Schutzabdeckung an das Schaltgerätegehäuse ist nicht vorgesehen.In contrast, in a circuit breaker according to document DE 295 05 046 U1 a cable terminal block screwed onto the switchgear housing. When attaching a protective cover on the cable terminal block act on this provided connection side strips pairs, connection-side grooves and laterally outwardly facing L-shaped recesses with correspondingly formed on the protective cover frontal pairs of slots or frontal clamping ribs or laterally inwardly facing retaining webs together. A direct mounting of the protective cover to the switchgear housing is not provided.

Der Erfindung liegt als Aufgabe eine hinsichtlich Herstellung und Handhabung vereinfachte Ausbildung eines Schaltgerätes mit anschlussseitigem Zubehör zugrunde.The invention is based on the object of a simplification in terms of production and handling training a switching device with connection-side accessories.

Ausgehend von einem Schaltgerät und anschlussseitigem Zubehör der eingangs genannten Art wird die Aufgabe erfindungsgemäß durch die Merkmale des unabhängigen Anspruches gelöst, während den abhängigen Ansprüchen vorteilhafte Weiterbildungen der Erfindung zu entnehmen sind.Starting from a switching device and connection-side accessories of the type mentioned, the object is achieved by the features of the independent claim, while the dependent claims advantageous developments of the invention can be found.

Durch am Schaltgerätegehäuse ausgebildete erste Führungs- und Halterungsausnehmungen sowie Rastnocken, durch an einer Schutzabdeckung ausgebildete erste Führungs- und Halterungsanformungen sowie Rasthaken, durch an einem Kabelklemmenblock ausgebildete, den ersten Führungs- und Halterungsanformungen gleichende zweite Führungs- und Halterungsanformungen sowie den ersten Rasthaken gleichenden dritten Rasthaken einerseits und den ersten Führungs- und Halterungsausnehmungen gleichende zweite Führungs- und Halterungsausnehmungen sowie den ersten Rastnocken gleichende zweite Rastnocken anderseits gelingt es auf einfache und den jeweiligen Erfordernissen angepasste Weise das Schaltgerät mit dem anschlussseitigen Zubehör zu kombinieren. Das Schaltgerät kann auf einer Anschlussseite oder beiden Anschlussseiten mit einer Schutzabdeckung allein, mit einem Kabelklemmenblock allein, mit einem Kabelklemmenblock zusammen mit einer Schutzabdeckung oder ohne dieses Zubehör ausgestattet sein. Zur Realisierung der genannten unterschiedlichen Kombinationen sind ausschließlich gleichartige Verbindungselemente vorgesehen und keine besonderen Hinweise zu beachten.By formed on the switchgear housing first guide and Halterungsausnehmungen and locking cams, formed by a protective cover first leadership and Halterungsanungsanungen and latching hooks, formed by a Kabelklemmenblock, the first management and Halterungsanformungen same second management and Halterungsanungsanungen and the first latching hook similar third latching hook on the one hand and the first Guiding and Halterungsausnehmungen same second guide and Halterungsausnehmungen and the first locking cam same second locking cams on the other hand, it is possible in a simple and adapted to the respective requirements to combine the switching device with the connection-side accessories. The switchgear may be equipped with a protective cover alone, with a cable terminal block alone, with a cable terminal block together with a protective cover or without these accessories on one connection side or both connection sides. To realize the mentioned different combinations only similar fasteners are provided and no special instructions to observe.

Zur Anpassung an unterschiedliche Kabeldurchmesser ist es vorteilhaft, die Schutzabdeckung in unterschiedlichem Abstand zur Frontseite zu montieren, wozu zusätzlich zu dem wenigstens ersten Rasthaken ein entsprechender und gegenüber diesem versetzt angeordneter zweiter Rasthaken vorgesehen ist.To adapt to different cable diameters, it is advantageous to mount the protective cover at different distances from the front side, for which purpose in addition to the at least first snap-in hook a corresponding and opposite to this offset arranged second snap-in hook is provided.

Zweckmäßig sind jeweils paarig ausgebildete Führungs- und Halterungsausnehmungen sowie Führungs- und Halterungsanformungen bzw. Rastnocken sowie Rasthaken.Appropriately, each paired leadership and Halterungsausnehmungen and leadership and Halterungsanformungen or locking cams and latching hooks.

Es ist vorteilhaft, den wenigstens einen Rasthaken an einer von der vorderen Schutzwand elastisch abstehenden Federlasche anzuordnen.It is advantageous to arrange the at least one latching hook on a resiliently projecting from the front bulkhead spring tab.

Für eine leichte und sichere Montage des anschlussseitigen Zubehörs ist es vorteilhaft bzw. zweckmäßig, wenn zur Frontseite hin die Führungs- und Halterungsausnehmungen offen auslaufen und wenn die Führungs- und Halterungsausnehmungen sowie die Führungs- und Halterungsanformungen wenigstens zum Teil mit L-förmigem Querschnitt ausgebildet sind.For easy and safe installation of the connection-side accessories, it is advantageous or expedient if the guide and Halterungsausnehmungen open towards the front and when the guide and Halterungsausnehmungen and the guide and Halterungsanformungen are at least partially formed with L-shaped cross-section ,

Ein weiterer Vorteil hinsichtlich der Anpassung an die jeweiligen Gegebenheiten ergibt sich mit hutartig ausgebildeten Fingerschutzkappen, die in neben den Zutrittsöffnungen für die Kabelanschlüsse am Kabelklemmenblockes vorgesehenen Klemmleisten einsetzbar und durch die zweiten sowie erforderlichenfalls zusätzlichen Rastnocken arretierbar sind. Von zusätzlichem Vorteil ist hier die nach Bedarf durchstoßbare gitterartige Deckfläche der Fingerschutzkappen.Another advantage in terms of adaptation to the particular circumstances arises with hat-shaped finger protection caps, which provided in addition to the access openings for the cable connections on the cable terminal block Terminal strips can be used and locked by the second and, if necessary, additional locking cams. Of additional advantage here is the pierceable as needed lattice-like top surface of the finger protection caps.

Zur besseren Trennung der Anschlusskabel ist es zweckmäßig, die Schutzabdeckung mit Trennrippen zu versehen. Zur geeigneten Anpassung an die Anschlussbedingungen, z.B. an die Länge der mit den Anschlusskabeln verbundenen Kabelschuhe, ist es weiterhin zweckmäßig, die Schutzabdeckung durch wenigstens eine Sollbruchlinie abzulängbar auszuführen.For better separation of the connection cable, it is expedient to provide the protective cover with barrier ribs. For suitable adaptation to the connection conditions, e.g. to the length of the cable lugs connected to the connecting cables, it is also expedient to perform the protective cover by at least one predetermined breaking line ablated.

Eine vorteilhafte Weiterbildung besteht in der Ausstattung des Kabelklemmenblocks mit Ausbrechöffnungen, welche im Bedarfsfall den Zugang zu Hilfsleiteranschlüssen zum Anschließen von Hilfsleitern für insbesondere Steuer- oder Meldesignale gestatten.An advantageous development consists in the equipment of the cable terminal block with Ausbrechöffnungen, which allow access to auxiliary conductor connections for connecting auxiliary conductors for particular control or signaling signals, if necessary.

Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus dem folgenden, anhand von Figuren erläuterten Ausführungsbeispiel. Es zeigen

Fig. 1:
ein Schaltgerät auf einer Anschlussseite ohne und auf der entgegengesetzten Anschlussseite mit anschlussseitigem Zubehör;
Fig. 2:
das Schaltgerät mit Kabelklemmenblock;
Fig. 3:
das Schaltgerät mit Kabelklemmenblock und Fingerschutzkappen;
Fig. 4:
das Schaltgerät mit Kabelklemmenblock und Schutzabdeckung;
Fig. 5:
das Schaltgerät mit Schutzabdeckung in teilweise gebrochener Darstellung;
Fig. 6:
eine Einzelheit aus Fig. 5;
Fig. 7:
die Schutzabdeckung aus teilweise geräteseitiger Perspektive;
Fig. 8:
eine Einzelheit aus Fig. 7;
Fig. 9;
den Kabelklemmenblock aus teilweise geräteseitiger Perspektive;
Fig. 10:
eine Einzelheit aus Fig. 9 und
Fig. 11:
eine Fingerschutzkappe aus geräteseitiger Perspektive.
Further details and advantages of the invention will become apparent from the following, explained with reference to figures embodiment. Show it
Fig. 1:
one switching device on one connection side without and on the opposite connection side with connection-side accessories;
Fig. 2:
the switching device with cable terminal block;
3:
the switching device with cable terminal block and finger protection caps;
4:
the switching device with cable terminal block and protective cover;
Fig. 5:
the switching device with protective cover in a partially broken representation;
Fig. 6:
a detail Fig. 5 ;
Fig. 7:
the protective cover from a partly device-side perspective;
Fig. 8:
a detail Fig. 7 ;
Fig. 9;
the cable terminal block from a partially device-side perspective;
Fig. 10:
a detail Fig. 9 and
Fig. 11:
a finger protection cap from the device side perspective.

Fig. 1 bis Fig. 4 zeigen die unterschiedlichen und vorteilhaften Kombinationen eines Schaltgerätes 1, im Beispiel in Form eines dreipoligen elektromagnetischen Schaltgerätes, mit seinem anschlussseitigen Zubehör nach der Erfindung. Fig. 1 zeigt das von einem Schaltgerätegehäuse 10 aus isolierendem Formstoff umgebene Schaltgerät 1 auf seiner versorgerseitigen Anschlussseite 12 ohne erfindungsgemäßes Zubehör. Die durch Kabelschuhe 14 angedeuteten Anschlusskabel sind mit Kabelanschlüssen 16 des Schaltgerätes 1 verschraubt. Vor die lastseitige Anschlussseite 13 des Schaltgerätes 1 wurden eine Schutzabdeckung 2 aus isolierendem Formstoff montiert, woraus ein weitgehender Berührungsschutz vor spannungsführenden Metallteilen besteht. Fig. 2 zeigt das Schaltgerät 1 in Kombination mit einem vor die Anschlussseite 13 montierten und Kabelklemmenblock 3 mit isolierendem Formstoffgehäuse 17. Hier ist das Anschließen von Anschlusskabeln an die über Zutrittsöffnungen 18 des Formstoffgehäuses 17 zugänglichen Kabelanschlüsse 16 möglich. Fig. 3 zeigt ähnlich wie Fig. 2 eine Kombination des Schaltgerätes 1 mit dem Kabelklemmenblock 3, jedoch sind diesmal die Zutrittsöffnungen 18 durch Fingerschutzkappen 4 vor Berührungen geschützt. Die Fingerschutzkappen 4 sind im Neuzustand darstellt und können zwecks Durchführen von Kabelenden in geeigneter Weise auf ihrer gitterartigen Deckfläche 22 durchstoßen werden. Fig. 4 zeigt eine Kombination des Schaltgerätes 1 mit Schutzabdeckung 2 und Kabelklemmenblock 3. Der Kabelklemmenblock 3 ist vor die Anschlussseite 13 des Schaltgerätes 1 montiert, und die Schutzabdeckung 2 ist vor die Zutrittsöffnungen 18 des Kabelklemmenblocks 3 montiert. Mit dieser Kombination ist sowohl das Anschließen von Anschlusskabeln über den Kabelklemmenblock 3 als auch ein weitgehender Berührungsschutz vor spannungsführenden Teilen gewährleistet. Fig. 1 to Fig. 4 show the different and advantageous combinations of a switching device 1, in the example in the form of a three-pole electromagnetic switching device, with its connection-side accessory according to the invention. Fig. 1 shows the surrounded by a switching device housing 10 made of insulating molding material switching device 1 on its supply side terminal side 12 without inventive accessories. The indicated by cable lugs 14 connecting cable are bolted to cable connections 16 of the switching device 1. Before the load-side terminal side 13 of the switching device 1, a protective cover 2 made of insulating molding material were mounted, resulting in a far-reaching protection against live metal parts. Fig. 2 shows the switching device 1 in combination with a mounted in front of the terminal side 13 and cable terminal block 3 with insulating molding material housing 17. Here, the connection of connection cables to the accessible via access openings 18 of the molding material housing 17 cable connections 16 is possible. Fig. 3 shows similar to Fig. 2 a combination of the switching device 1 with the cable terminal block 3, but this time the access openings 18 are protected by finger protection caps 4 from touching. The finger protection caps 4 are in new condition and can be pierced for the purpose of passing cable ends in a suitable manner on their lattice-like top surface 22. Fig. 4 shows a combination of the switching device 1 with protective cover 2 and cable terminal block 3. The cable terminal block 3 is mounted in front of the terminal side 13 of the switching device 1, and the protective cover 2 is mounted in front of the access openings 18 of the cable terminal block 3. This combination ensures both the connection of connection cables via the cable terminal block 3 as well as a far-reaching protection against live parts.

Gemäß Fig. 1, Fig. 5 und Fig. 6 ist an den Anschlussseiten 12 und 13 des Schaltgerätegehäuses 10 jeweils ein Paar von ersten Führungs- und Halterungsausnehmungen 24 ausgebildet. Die nutenförmigen Führungs- und Halterungsausnehmungen 24 verlaufen senkrecht zur Frontseite 26 des Schaltgerätes 1, laufen zur Frontseite 26 offen aus und sind in ihrem von der Frontseite 26 entfernten Bereich hintergriffig mit L-förmigem Querschnitt ausgebildet. Von den Anschlussseiten 12, 13 stehen außerdem Paare von ersten Rastnocken 28 ab, die mit ersten Gleitschrägen 32 zur Frontseite 26 hin weisen und mit einer ersten Rastfläche 35 parallel und abgewandt von der Frontseite 26 verlaufen.According to Fig. 1 . Fig. 5 and Fig. 6 is formed on the connection sides 12 and 13 of the switching device housing 10 each have a pair of first guide and Halterungsausnehmungen 24. The groove-shaped guide and Halterungsausnehmungen 24 extend perpendicular to the front side 26 of the switching device 1, run to the front 26 open and are formed in their remote from the front side 26 area behind grip with L-shaped cross-section. Of the Connection sides 12, 13 are also pairs of first locking cam 28 from which point with first sliding slopes 32 to the front side 26 and with a first locking surface 35 parallel and facing away from the front side 26.

Gemäß Fig. 7 besteht die Schutzabdeckung 2 aus zwei seitlichen äußeren Schutzwänden 38 und einer diese verbindenden frontseitigen Schutzwand 39. Von der Schutzwand 39 stehen parallel zu den seitlichen Schutzwänden 38 innere Trennrippen 40 ab, welche die Anschlusskabel polweise trennen. Nach Fig. 7 und Fig. 8 weist die Schutzabdeckung 2 an ihrer mit de Anschlussseite 12 bzw. 13 des Schaltgerätes 1 zu verbindenden Stirnseite 42 ein Paar von leistenförmigen ersten Führungs- und Halterungsanformungen 44 auf. Stirnseitig ist von der frontseitigen Schutzwand 39 ein Paar von ersten Federlaschen 46 ausgebildet. Die ersten Federlaschen 46 sind parallel zu den Schutzwänden 38 und 39 elastisch biegbar. Auf jeder Federlasche 46 sind jeweils ein erster Rasthaken 48 und ein zweiter Rasthaken 49 ausgebildet. Die Rasthaken 48, 49 sind gleichartig ausgebildet und weisen mit zweiten Gleitschrägen 33 von der frontseitigen Schutzwand 39 weg und verlaufen mit zweiten Rastflächen 36 parallel zur frontseitigen Schutzwand 39. Die Rasthaken 48, 49 sind auf jeder ersten Federlasche 46 jeweils in Richtung zur frontseitigen Schutzwand 39 hintereinander angeordnet, wobei sich die zweiten Rasthaken 49 näher zur frontseitigen Schutzwand 39 befinden.According to Fig. 7 the protective cover 2 consists of two lateral outer protective walls 38 and a front-side protective wall 39 connecting them. From the protective wall 39, inner barrier ribs 40 are provided parallel to the lateral protective walls 38, separating the connecting cables in poles. To FIGS. 7 and 8 the protective cover 2 on its front side 42 to be connected with the connection side 12 or 13 of the switching device 1 has a pair of strip-shaped first guiding and holding projections 44. Front side of the front-side protective wall 39, a pair of first spring tabs 46 is formed. The first spring tabs 46 are elastically bendable parallel to the protective walls 38 and 39. On each spring tab 46, a first latching hook 48 and a second latching hook 49 are each formed. The latching hooks 48, 49 are of similar construction and point away from the front-side protective wall 39 with second sliding bevels 33 and extend parallel to the front-side protective wall 39 with second latching surfaces 36. The latching hooks 48, 49 are in each case in the direction of the front-side protective wall 39 on each first spring clip 46 arranged one behind the other, wherein the second latching hooks 49 are closer to the front-side protective wall 39.

Beim Ansetzen der Schutzabdeckung 2 auf die entsprechende Anschlussseite 12 oder 13 des Schaltgerätes 1 greifen die ersten Führungs- und Halterungsanformungen 44 in die ersten Führungs- und Halterungsausnehmungen 24 des Schaltgerätegehäuses 10 und stellen damit eine hintergriffige Verbindung her. Dabei gleiten gemäß Fig. 5 bis Fig. 8 die Gleitschrägen 32 der ersten Rastnocken 28 über die Gleitschrägen 33 der ersten Rasthaken 48, wonach durch Anliegen der Rastflächen 35 der ersten Rastnocken 28 an den Rastflächen 36 der ersten Rasthaken 48 die Schutzabdeckung 2 in einer ersten Position arretiert ist. Sollte eine gegenüber Fig. 5 weiter von der Frontseite 26 gelegene Montageposition der Schutzabdeckung 2 gewünscht sein, dann kann durch weitere Kraftanwendung auf die Schutzabdeckung 2 bewirkt werden, dass die Gleitschrägen 32 der ersten Rastnocken 28 weiter über die Gleitschrägen 33 der zweiten Rasthaken 49 gleiten, wonach durch Anliegen der Rastflächen 35 der ersten Rastnocken 28 an den Rastflächen 36 der zweiten Rasthaken 49 die Schutzabdeckung 2 in einer zweiten Position arretiert ist. Mittels eines geeigneten Werkzeugs über an der Verbindungsstelle von frontseitiger Schutzwand 39 und ersten Federlaschen 46 freigelassenen ersten Halböffnungen 52 können die Rastflächen 35, 36 außer Eingriff gebracht und damit die Schutzabdeckung 2 vom Schaltgerätegehäuse 10 gelöst werden.When attaching the protective cover 2 on the corresponding terminal side 12 or 13 of the switching device 1, the first guide and Halterungsanformungen 44 engage in the first guide and Halterungsausnehmungen 24 of the switching device housing 10 and thus make a hintergriffige connection. While gliding in accordance Fig. 5 to Fig. 8 the sliding bevels 32 of the first locking cam 28 on the sliding bevels 33 of the first latching hooks 48, which is locked by abutment of the locking surfaces 35 of the first locking cam 28 on the locking surfaces 36 of the first latching hooks 48, the protective cover 2 in a first position. Should be opposite Fig. 5 can be desired further from the front 26 mounting position of the protective cover 2, then it can be effected by further application of force to the protective cover 2 that the sliding bevels 32 of the first locking cam 28 on the sliding bevels 33 of slide second latching hook 49, after which the protective cover 2 is locked in a second position by abutment of the locking surfaces 35 of the first locking cam 28 on the locking surfaces 36 of the second latching hooks 49. By means of a suitable tool on at the junction of front-side protective wall 39 and first spring tabs 46 released first half-openings 52, the locking surfaces 35, 36 are disengaged and thus the protective cover 2 from the switchgear housing 10 are released.

Gemäß Fig. 9 und Fig. 10 ist der Kabelklemmenblock 3 ist an seiner zum Schaltgerät 1 hin weisenden Rückwand 54 mit einem Paar von leistenförmigen zweiten Führungs- und Halterungsanformungen 45 ausgestattet, die in gegenseitiger Anordnung und Form den ersten Führungs- und Halterungsanformungen 44 der Schutzabdeckung 2 (Fig. 7) entsprechen und teilweise L-förmig ausgebildet sind. Weiterhin ist an der Rückwand 54 ein Paar zweiter Federlaschen 47 vorgesehen, von denen jede einen dritten Rasthaken 50 trägt. Die dritten Rasthaken 50 entsprechen hinsichtlich ihrer Anordnung und ihrer Form, insbesondere hinsichtlich einer dritten Gleitschräge 34 und einer dritten Rastfläche 37, den zweiten Rasthaken 49 der Schutzabdeckung 2 (Fig. 8).According to FIGS. 9 and 10 is the cable clamp block 3 is provided on its back to the switching device 1 back wall 54 with a pair of strip-shaped second guide and Halterungsanformungen 45 which in mutual arrangement and shape of the first guiding and mounting projections 44 of the protective cover 2 Fig. 7 ) and are partially L-shaped. Furthermore, a pair of second spring tabs 47 is provided on the rear wall 54, each of which carries a third latching hook 50. The third latching hooks 50 correspond in terms of their arrangement and shape, in particular with respect to a third sliding bevel 34 and a third latching surface 37, the second latching hook 49 of the protective cover 2 (FIG. Fig. 8 ).

Beim Ansetzen des Kabelklemmenblocks 3 auf die entsprechende Anschlussseite 12 oder 13 des Schaltgerätes 1 greifen die zweiten Führungs- und Halterungsanformungen 45 in die ersten Führungs- und Halterungsausnehmungen 24 des Schaltgerätegehäuses 10 und stellen damit eine hintergriffige Verbindung her. Dabei gleiten die Gleitschrägen 32 der ersten Rastnocken 28 über die Gleitschrägen 34 der dritten Rasthaken 50, wonach durch Anliegen der Rastflächen 35 der ersten Rastnocken 28 an den Rastflächen 37 der dritten Rasthaken 50 der Kabelklemmenblock 3 arretiert ist. Mittels eines geeigneten Werkzeugs über an den Verbindungsstellen von Rückwand 54 und zweiten Federlaschen 47 freigelassenen zweiten Halböffnungen 53 können die Rastflächen 35, 37 außer Eingriff gebracht und damit der Kabelklemmenblock 3 vom Schaltgerätegehäuse 10 gelöst werden.When attaching the cable terminal block 3 to the corresponding connection side 12 or 13 of the switching device 1, the second guide and Halterungsanformungen 45 engage in the first guide and Halterungsausnehmungen 24 of the switching device housing 10 and thus make a hintergriffige connection. The sliding bevels 32 of the first locking cam 28 slide over the sliding bevels 34 of the third latching hooks 50, which is locked by abutment of the locking surfaces 35 of the first locking cam 28 on the locking surfaces 37 of the third latching hook 50 of the cable terminal block 3. By means of a suitable tool on at the junctions of the rear wall 54 and second spring tabs 47 released second half-openings 53, the locking surfaces 35, 37 disengaged and thus the cable terminal block 3 are released from the switching device housing 10.

Nach Fig. 2 ist der Kabelklemmenblock 3 an seiner vom Schaltgerät 1 weg weisenden Vorderwand 56 mit einem Paar von nutenförmigen zweiten Führungs- und Halterungsausnehmungen 25 ausgestattet, die in Anordnung und Form den ersten Führungs- und Halterungsausnehmungen 24 des Schaltgerätes 1 entsprechen. Weiterhin ist an der Vorderwand 56 ein Paar zweiter Rastnocken 29 vorgesehen, die vor den beiden äußeren Zutrittsöffnungen 18 angeordnet sind. Die zweiten Rastnocken 29 gleichen hinsichtlich ihrer Anordnung und Form den ersten Rastnocken 28 am Schaltgerät 1 (Fig. 1).To Fig. 2 the cable terminal block 3 is provided on its front wall 56 facing away from the switching device 1 with a pair of groove-shaped second guide and Halterungsausnehmungen 25 which correspond in arrangement and shape to the first guide and Halterungsausnehmungen 24 of the switching device 1. Furthermore, a pair of second locking cams 29 are provided on the front wall 56, which are arranged in front of the two outer access openings 18. With regard to their arrangement and shape, the second latching cams 29 resemble the first latching cam 28 on the switching device 1 (FIG. Fig. 1 ).

Beim Ansetzen der Schutzabdeckung 2 auf die Vorderwand 56 des Kabelklemmenblocks 3 greifen die ersten Führungs- und Halterungsanformungen 44 der Schutzabdeckung 2 in die zweiten Führungs- und Halterungsausnehmungen 25 und stellen damit eine hintergriffige Verbindung her. Dabei wirken in bereits beschriebener Weise die zweiten Rastnocken 29 mit den ersten bzw. zweiten Rasthaken 48 bzw. 49 der Schutzabdeckung 2 zusammen.When attaching the protective cover 2 on the front wall 56 of the cable terminal block 3, the first guide and Halterungsanformungen 44 of the protective cover 2 engage in the second guide and Halterungsausnehmungen 25 and thus make a behind-grip connection. In this case, act in the manner already described, the second locking cam 29 with the first and second latching hooks 48 and 49 of the protective cover 2 together.

Nach Fig. 2 und Fig. 3 ist an der Vorderwand 56 des Kabelklemmenblocks 3 beidseitig neben jeder Zutrittsöffnung 18 ein Paar von L-förmigen Klemmleisten 58 angeformt. Weiterhin ist vor der mittleren Zutrittsöffnung 18 ein den zweiten Rastnocken 29 gleichender zusätzlicher Rastnocken 30 vorgesehen. Die Fingerschutzkappen 4 sind nach Fig. 3 und 11 kastenförmig mit einer der gitterartigen Deckfläche 22 gegenüber liegenden offenen Seite und bei hutartigem Profil mit elastischen Seitenwänden ausgebildet. Die Fingerschutzkappen 4 können mittels der krempenartigen Randflächen 60 der elastischen Längsseiten 62 hinter die Klemmleisten 58 geklemmt werden. Die Fingerschutzkappen 4 werden dabei über ihre jeweilige vordere Querseite 64 mittels der Rastnocken 29, 30 in ihrer Position am Kabelklemmenblock 3 festgelegt. Die Deckflächen 22 werden nur insoweit durchbrochen, dass die Enden der anzuschließenden Kabel durchreichen können, womit ein weitreichender Fingerschutz gegen gefährliche Spannungsberührungen gewährleistet ist.To Fig. 2 and Fig. 3 is on the front wall 56 of the cable terminal block 3 on both sides next to each access opening 18, a pair of L-shaped terminal strips 58 integrally formed. Furthermore, in front of the central access opening 18, a second locking cam 29 equivalent additional locking cam 30 is provided. The finger protection caps 4 are after Fig. 3 and 11 box-shaped with one of the lattice-like top surface 22 opposite open side and formed in Hutartigem profile with elastic side walls. The finger protection caps 4 can be clamped behind the clamping strips 58 by means of the brim-like edge surfaces 60 of the elastic longitudinal sides 62. The finger protection caps 4 are thereby determined via their respective front transverse side 64 by means of the locking cams 29, 30 in their position on the cable terminal block 3. The top surfaces 22 are broken only to the extent that the ends of the cable to be connected can pass through, whereby a far-reaching finger protection is guaranteed against dangerous voltage contacts.

Die Schutzabdeckung 2 ist nach Fig. 7 parallel zu ihrer Stirnseite 42 mit einer über die Seitenwände 38, 39 durchgehenden Sollbruchlinie 68 versehen. Mithilfe der Sollbruchlinie 68 kann die Schutzabdeckung 2 zur geeigneten Anpassung an anzuschließenden Kabel gekürzt werden.The protective cover 2 is after Fig. 7 parallel to its end face 42 provided with a through the side walls 38, 39 through predetermined breaking line 68. By means of the predetermined breaking line 68, the protective cover 2 can be shortened for suitable adaptation to cables to be connected.

Fig. 2 zeigt, dass der Kabelklemmenblock 3 an seiner vom Schaltgerät 1 weg weisenden Vorderwand 56 mit Ausbrechöffnungen 70 für dahinter liegende Hilfsleiteranschlüsse ausgestattet ist. Durch Wegbrechen der Ausbrechöffnungen 70 wird der Zugang zu Hilfsleiteranschlüssen zum Anschließen von Hilfsleitern für insbesondere Steuer- oder Meldesignale frei. Polweise sind neben jedem zweiten Rastnocken 29 ein Paar von Ausbrechöffnungen 70 vorgesehen. Dadurch können Hilfsleiter bedarfsweise oben oder bzw. und unten an die Hilfsleiteranschlüsse angeschlossen werden. Fig. 2 shows that the cable terminal block 3 is provided on its facing away from the switching device 1 front wall 56 with Ausbrechöffnungen 70 for underlying auxiliary conductor connections. By breaking away the breakout openings 70 access to auxiliary conductor terminals for connecting auxiliary conductors for particular control or reporting signals is free. Polweise each pair of locking cam 29, a pair of Ausbrechöffnungen 70 are provided. As a result, auxiliary conductors can be connected as needed above or or and below to the auxiliary conductor connections.

In den Darstellungen der Zeichnung ist lediglich die lastseitige Anschlussseite 13 des Schaltgerätes 1 in Kombination mit dem anschlussseitigen Zubehör 2, 3, 4 gezeigt. Es ist offensichtlich, dass ebenso die versorgungsseitige Anschlussseite 12 allein oder beide Anschlussseiten 12, 13 in gleicher oder unterschiedlicher Weise mit dem anschlussseitigen Zubehör kombiniert werden kann bzw. können.In the illustrations of the drawing, only the load-side connection side 13 of the switching device 1 in combination with the connection-side accessories 2, 3, 4 is shown. It is obvious that also the supply-side connection side 12 alone or both connection sides 12, 13 can be combined in the same or different way with the connection-side accessory or can.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Schaltgerätswitchgear
22
Schutzabdeckungprotective cover
33
KabelklemmenblockCable terminal block
44
FingerschutzkappeFinger guard
1010
SchaltgerätegehäuseSwitchgear enclosure
12; 1312; 13
Anschlussseiteterminal side
1414
Kabelschuheterminals
1616
Kabelanschlüssecable connections
1717
Formgehäusecase shape
1818
Zutrittsöffnungenaccess openings
2222
Deckflächecover surface
24; 2524; 25
Führungs- und HalterungsausnehmungenGuide and Halterungsausnehmungen
2626
Frontseitefront
28; 29; 3028; 29; 30
Rastnockenlocking cams
32; 33; 3432; 33; 34
Gleitschrägesliding bevel
35; 36; 3735; 36; 37
RastflächeRest area
38; 3938; 39
Schutzwändebarriers
4040
Trennrippenseparating ribs
4242
Stirnseitefront
44; 4544; 45
Führungs- und HalterungsanformungenGuiding and holding formations
46; 4746; 47
Federlaschespring shackle
48; 49; 5048; 49; 50
Rasthakenlatch hook
52; 5352; 53
Halböffnungenhalf openings
5454
Rückwandrear wall
5656
Vorderwandfront wall
5858
Klemmleistenterminal Block
6060
Randflächenedge surfaces
6262
Längsseitenlong sides
6464
Querseitetransverse side
6868
SollbruchlinieLine of weakness
7070
Ausbrechöffnungknockout

Claims (11)

  1. Electrical switching device comprising a switching device housing (10), which is made of moulded material and comprises supply-side and load-side cable connections (16), which are located on connection sides (12; 13) that face away from each other, and connection-side accessories, said switching device comprising the following features:
    - the switching device housing (10) has first groove-shaped, undercut guiding and retaining recesses (24) arranged on the connection side and extending perpendicularly to the front side (26), and at least one first locking cam (28) which faces away from the front side (26) with a first locking surface (35);
    - a protective cover (2), which is formed as an accessory and has two lateral protective walls (38) and a front-side protective wall (39) connecting said lateral protective walls, is equipped, on its end face (42) facing the switching device (1), with first guiding and retaining mouldings (44) which can be brought to engage behind and interlock with the first guiding and retaining recesses (24), and with at least one resiliently arranged first locking hook (48) which faces the front-side protective wall (39) with a second locking surface (36) and is connectable to the first locking cam (28),
    - a cable clamp block (3) formed as an accessory is equipped, on its back wall (54) facing the switching device (1), with second guiding and retaining mouldings (45) which have a corresponding position and shape to the first guiding and retaining mouldings (44) and can be brought to engage behind and interlock with the first guiding and retaining recesses (24), and with at least one resiliently arranged third locking hook (50) which faces the front side (26) with a third locking surface (37) and is connectable to the first locking cam (28),
    - the cable clamp block (3) is equipped, on its front wall (56) facing away from the switching device (1), with second guiding and retaining recesses (25) which have a corresponding position and shape to the first guiding and retaining recesses (24) and can be brought to engage behind and interlock with the first guiding and retaining mouldings (44), and with at least one second locking cam (29) which has a corresponding position and shape to the first locking cam (28) and is connectable to the first locking hook (48).
  2. Switching device and connection-side accessories according to the preceding claim, characterised in that at least one second locking hook (49) is provided on the protective cover (2), said second locking hook corresponding to the at least one first locking hook (48) in shape and function and being arranged so as to be offset therefrom in the direction towards the front-side protective wall (39).
  3. Switching device and connection-side accessories according to any of the preceding claims, characterised in that the first and the second guiding and retaining recesses (24; 25) as well as the first and second guiding and retaining mouldings (44; 45) are configured to be in pairs.
  4. Switching device and connection-side accessories according to any of the preceding claims, characterised in that the first and the second locking cams (28; 29) as well as the locking hooks (48; 49; 50) are configured to be in pairs.
  5. Switching device and connection-side accessories according to any of the preceding claims, characterised in that the at least one locking hook (48; 49; 50) is arranged on a resiliently protruding spring tab (46; 47).
  6. Switching device and connection-side accessories according to any of the preceding claims, characterised in that the guiding and retaining recesses (24; 25) open towards the front side (26) and in that said guiding and retaining recesses and the guiding and retaining mouldings (44; 45) are formed at least in part with an L-shaped cross section.
  7. Switching device and connection-side accessories according to any of the preceding claims, characterised in that box-shaped finger guard caps (4) equipped with brim-like edge surfaces (60) and configured as additional accessories are provided, in that L-shaped clamp bars (58) are integrally moulded in pairs on the front wall (56) of the cable clamp block (3), next to connection-side access openings (18), so as to extend perpendicularly to the front side (26) and are connectable to the edge surfaces (60) in a clamping manner and so as to engage therebehind, and in that the second locking cams (29) and, when necessary, additional similar locking cams (30) are arranged in the direction towards the front side (26) next to the access openings (18) and the finger guard caps (4), when inserted, abut said access openings.
  8. Switching device and connection-side accessories according to the preceding claim, characterised in that the cover surface (22) of the finger guard caps (4), which extends substantially in parallel with the front wall (56) of the cable block (3), is grid-like and capable of being pierced as necessary.
  9. Switching device and connection-side accessories according to any of the preceding claims, characterised in that separating ribs (40) extending in parallel with the lateral protective walls (38) protrude from the front-side protective wall (39) of the protective cover (2).
  10. Switching device and connection-side accessories according to any of the preceding claims, characterised in that the protective cover (2) has at least one predetermined breaking line (68) extending parallel to the end face (42).
  11. Switching device and connection-side accessories according to any of the preceding claims, characterised in that the cable clamp block (3) has, on its front wall (56) facing away from the switching device (1), breakout openings (70) for auxiliary conductor connections located therebehind.
EP11761531.0A 2010-09-08 2011-08-30 Switching device and accessory on the connecting side Active EP2614515B1 (en)

Priority Applications (1)

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PL11761531T PL2614515T3 (en) 2010-09-08 2011-08-30 Switching device and accessory on the connecting side

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DE202010012329U DE202010012329U1 (en) 2010-09-08 2010-09-08 Switchgear and connection-side accessories
PCT/EP2011/064910 WO2012031946A1 (en) 2010-09-08 2011-08-30 Switching device and accessory on the connecting side

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EP2614515A1 EP2614515A1 (en) 2013-07-17
EP2614515B1 true EP2614515B1 (en) 2015-02-25

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US (1) US8618897B2 (en)
EP (1) EP2614515B1 (en)
CN (1) CN103229267B (en)
BR (1) BR112013005633A2 (en)
CA (1) CA2810308A1 (en)
DE (1) DE202010012329U1 (en)
PL (1) PL2614515T3 (en)
RU (1) RU2582574C2 (en)
WO (1) WO2012031946A1 (en)

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JP7503511B2 (en) 2021-02-12 2024-06-20 日東工業株式会社 Power Distribution Equipment
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CN103229267B (en) 2015-07-29
US8618897B2 (en) 2013-12-31
BR112013005633A2 (en) 2016-05-03
EP2614515A1 (en) 2013-07-17
RU2013115423A (en) 2014-10-20
DE202010012329U1 (en) 2010-11-18
WO2012031946A1 (en) 2012-03-15
CA2810308A1 (en) 2012-03-15
PL2614515T3 (en) 2015-07-31
RU2582574C2 (en) 2016-04-27
CN103229267A (en) 2013-07-31
US20130307650A1 (en) 2013-11-21

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