EP0498019B1 - Schutzleiteranschlussklemme - Google Patents

Schutzleiteranschlussklemme Download PDF

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Publication number
EP0498019B1
EP0498019B1 EP91101792A EP91101792A EP0498019B1 EP 0498019 B1 EP0498019 B1 EP 0498019B1 EP 91101792 A EP91101792 A EP 91101792A EP 91101792 A EP91101792 A EP 91101792A EP 0498019 B1 EP0498019 B1 EP 0498019B1
Authority
EP
European Patent Office
Prior art keywords
bracket
clamp
protective conductor
tensioning
tightening
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
EP91101792A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0498019A1 (de
Inventor
Zdenek Ing. Krec
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to EP91101792A priority Critical patent/EP0498019B1/de
Priority to DK91101792.9T priority patent/DK0498019T3/da
Priority to AT91101792T priority patent/ATE121571T1/de
Priority to ES91101792T priority patent/ES2071137T3/es
Priority to DE59105268T priority patent/DE59105268D1/de
Publication of EP0498019A1 publication Critical patent/EP0498019A1/de
Application granted granted Critical
Publication of EP0498019B1 publication Critical patent/EP0498019B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2691—Clip-on terminal blocks for side-by-side rail- or strip-mounting with ground wire connection to the rail

Definitions

  • the invention relates to a protective conductor terminal which has a tension bracket and pressure bracket for bracing on the rail edges of a mounting rail, the tension bracket and / or the pressure bracket being in electrical connection with conductor connection terminals.
  • protective conductor terminals hereinafter referred to as protective conductor terminals for short
  • spring clips or tensioning elements which can be tightened by a tensioning screw
  • tension and pressure brackets are clamped in such clamps by means of a clamping screw (DE-C-2 841 302), although a stronger clamping element can bring about a secure electrical contact.
  • the clamping screws are often over-tightened, so that reliable contact, particularly afterwards as a result of signs of fatigue, is not guaranteed. This has led to the development of resilient contact elements in protective conductor terminals of the type described at the outset.
  • the invention has for its object to improve a protective conductor terminal with a clamping screw so that its advantages come into play.
  • the pull and / or push bracket are designed to be resilient.
  • the element in question is under the action of a clamping screw, the tightening path of which is limited by a stop. This can cause a great force for safe contact to the mounting rail can be exerted without being able to tighten the clamping screw too tight.
  • the screw head of the clamping screw can spread on a tubular element, which limits the tensioning of the spring for making contact.
  • the drawbar can be made from electrically conductive material as the base body of an entire terminal body using folding technology.
  • Conductor connection terminals can be held on tabs and a limiting body for limiting the tightening path and for receiving the tensioning screw can be formed by folding the entire terminal body or by an inserted special part.
  • the protective conductor terminal according to Figure 1 has a stiff pull bracket 1 and a push bracket 2 made of resilient material. They clamp the protective conductor terminal on a mounting rail 3.
  • the pull bracket 1 and the push bracket 2 are in an electrically conductive connection with a conductor connecting terminal 4.
  • the pull bracket can preferably be made from electrically conductive material.
  • the resilient pressure bracket 2 is under the action of a clamping screw 5. Its tightening path is limited by a stop 6. As a result, the clamping screw 5 can only bend the pressure bracket 2 to the point where it is braced until the screw head 7 abuts or rides on the stop 6.
  • the stop 6 can be tubular.
  • the pulling bracket 1 is part of an entire terminal body which is formed using folding technology and which can accommodate the conductor connecting terminal 4 and possibly a further connecting terminal on holding tabs 8.
  • the stop 6 is formed by a limiting body, which also receives the clamping screw 5.
  • the protective conductor terminal according to FIG. 2 illustrates a further embodiment using folding technology, where the pull bracket 1 is bent in a horseshoe shape in a plane perpendicular to the plane of the drawing and plugged together with a connecting tab 9 extending perpendicular to the plane of the drawing.
  • a standing flap 10 is bent up from the connecting flap 9.
  • This Standing flap 10 is shaped like a horseshoe in a cross section perpendicular to the plane of the drawing; it is open to the drawing level and offers a view of the end faces 11.
  • FIG. 2 also shows the outline 12 of terminal blocks of an associated system.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Insulated Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Cable Accessories (AREA)
EP91101792A 1991-02-08 1991-02-08 Schutzleiteranschlussklemme Expired - Lifetime EP0498019B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP91101792A EP0498019B1 (de) 1991-02-08 1991-02-08 Schutzleiteranschlussklemme
DK91101792.9T DK0498019T3 (da) 1991-02-08 1991-02-08 Beskyttelsesleder-forbindelsesklemme
AT91101792T ATE121571T1 (de) 1991-02-08 1991-02-08 Schutzleiteranschlussklemme.
ES91101792T ES2071137T3 (es) 1991-02-08 1991-02-08 Borne de conexion de conductores de proteccion.
DE59105268T DE59105268D1 (de) 1991-02-08 1991-02-08 Schutzleiteranschlussklemme.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91101792A EP0498019B1 (de) 1991-02-08 1991-02-08 Schutzleiteranschlussklemme

Publications (2)

Publication Number Publication Date
EP0498019A1 EP0498019A1 (de) 1992-08-12
EP0498019B1 true EP0498019B1 (de) 1995-04-19

Family

ID=8206387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101792A Expired - Lifetime EP0498019B1 (de) 1991-02-08 1991-02-08 Schutzleiteranschlussklemme

Country Status (5)

Country Link
EP (1) EP0498019B1 (da)
AT (1) ATE121571T1 (da)
DE (1) DE59105268D1 (da)
DK (1) DK0498019T3 (da)
ES (1) ES2071137T3 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19504762C2 (de) * 1995-02-04 2002-08-29 Wago Verwaltungs Gmbh Entriegelungsvorrichtung für eine Rastbefestigung eines elektr. oder elektronischen Bauelements auf einer Tragschiene
DE19818704C1 (de) * 1998-04-19 1999-11-04 Wago Verwaltungs Gmbh Montagefuß mit Schutzleiterfunktion für elektr. Klemmen
EP3490073B1 (fr) * 2017-11-22 2020-08-12 TE Connectivity Services GmbH Dispositif de raccordement electrique a la terre

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2615134C2 (de) * 1976-04-07 1978-03-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schutzleiter-Reihenklemme
CH631579A5 (de) * 1978-08-29 1982-08-13 Woertz Fa Elektrische klemme zum anbringen an einer tragschiene.
DE2841302C2 (de) * 1978-09-22 1981-10-29 F. Wieland, Elektrische Industrie GmbH, 8600 Bamberg Mehrfach-Reihenklemme für elektrische Leitungen
DE2914182C2 (de) * 1979-04-07 1982-08-26 F. Wieland, Elektrische Industrie GmbH, 8600 Bamberg Mehrfach-Reihenklemme für elektrische Leitungen

Also Published As

Publication number Publication date
DE59105268D1 (de) 1995-05-24
ES2071137T3 (es) 1995-06-16
DK0498019T3 (da) 1995-09-04
EP0498019A1 (de) 1992-08-12
ATE121571T1 (de) 1995-05-15

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