EP3070730B1 - Sicherungshalterbasis - Google Patents

Sicherungshalterbasis Download PDF

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Publication number
EP3070730B1
EP3070730B1 EP15382134.3A EP15382134A EP3070730B1 EP 3070730 B1 EP3070730 B1 EP 3070730B1 EP 15382134 A EP15382134 A EP 15382134A EP 3070730 B1 EP3070730 B1 EP 3070730B1
Authority
EP
European Patent Office
Prior art keywords
fuse
retaining device
fuse holder
holder base
fuses
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
EP15382134.3A
Other languages
English (en)
French (fr)
Other versions
EP3070730A1 (de
Inventor
Jose Julio GOMEZ
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.)
Pronutec SA
Original Assignee
Pronutec SA
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 Pronutec SA filed Critical Pronutec SA
Priority to TR2018/01287T priority Critical patent/TR201801287T4/en
Priority to EP15382134.3A priority patent/EP3070730B1/de
Priority to ES15382134.3T priority patent/ES2660398T3/es
Priority to PL15382134T priority patent/PL3070730T3/pl
Publication of EP3070730A1 publication Critical patent/EP3070730A1/de
Application granted granted Critical
Publication of EP3070730B1 publication Critical patent/EP3070730B1/de
Priority to HRP20180181TT priority patent/HRP20180181T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/25—Safety arrangements preventing or inhibiting contact with live parts, including operation of isolation on removal of cover
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/12—Adaptation for built-in fuse
    • H01H31/122—Fuses mounted on, or constituting the movable contact parts of, the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/203—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/2045—Mounting means or insulating parts of the base, e.g. covers, casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse

Definitions

  • the present invention belongs to the field of electric switches, and more specifically to protection devices or fuse holders for unlocking or releasing electric fuses.
  • the object of the present invention is a fuse holder base that allows easily, comfortably and safely releasing fuses from the outside, avoiding possible burns and minimizing the number of parts required, accordingly reducing the probabilities of operating malfunctions or errors, as well as reducing manufacturing costs.
  • Electric switches with fuses are extremely well known today, such switches with fuses generally consisting of a rail or socket, which supports connection contacts and is connected to the respective busbars or power cables, a casing that protects contacts from accidental contacts, and at least one fuse holder arranged in an articulated manner on the socket and in which the corresponding fuses or cartridges are mounted.
  • Said fuses incorporate locking tabs which are fitted into housings of the fuse holder itself, the fuses being retained by locking means, generally consisting of auxiliary parts mounted on the fuse holder.
  • the fuse holder can have two positions: an operative or locking position, in which connection is established; and a non-operative or release position, in which the fuse holder is tilted with respect to the socket and the fuse, mounted in the fuse holder, therefore disconnected. Nevertheless, not all fuse holder covers tilt with respect to the socket; some models in which the fuse holder cover goes in and out of the socket by means of a straight movement, such that the handle goes in and out of the socket perpendicular thereto, are also known.
  • Switches with fuses of this type are described, for example, in international patent application WO2004030007 A1 belonging to the owner of this invention, or in the German patent documents DE4310638 , DE10059698 , DE29908804U , DE29791446U .
  • a large window in which a protective, generally transparent plastic sheet is mounted that allows checking the state of the fuse and reading the characteristics thereof without having to extract the fuse is established in the front portion of the fuse holder.
  • This protective sheet can also incorporate printed information corresponding to the characteristics of the switch.
  • the protective sheet takes up virtually the entire front portion of the fuse holder because, as mentioned above, its primary function principal is to allow inspecting the fuse which generally has dimensions similar to those of the fuse holder, in the case of single-pole fuse holder bases, i.e., a single phase and a single fuse. As a result, printed information containing the characteristics of the base cannot be provided on the transparent sheet and must be included on the side edges of the fuse holder.
  • the fuse locking/unlocking means consist of a spring part mounted in a sliding manner on the front portion of the transparent sheet of the fuse holder having a bent internal prolongation determining an elastic strip which immobilizing the fuse in its housing, such that by transversely moving the spring part movement of the leg takes place which allows removing the fuse.
  • the fuse holder base in which fuses can be released from the outside of the invention comprises: a socket having contacts for connecting at least one fuse; a fuse holder cover attached to the socket in an articulated manner and having at least one housing for receiving at least one extractable fuse.
  • the fuse holder base additionally comprises a preferably transparent or translucent fuse retaining device to allow inspecting fuses, mounted on the fuse holder cover, such that said retaining device is a front push-button that is movable between two positions, a locking position for locking fuses and a release position for releasing fuses.
  • the fuse retaining device has fuse locking means on an inner face, which are preferably protrusions acting like stop elements for fixing the at least one fuse in the locking position.
  • the locking means are preferably located in an inner half of the fuse retaining device, whereas the front push-button is located in the opposite half with respect to the axis of rotation of the retaining device.
  • Said fuse retaining device is preferably a tilting device that tilts between two positions, a locking position in which the fuses are locked by the locking means, and a release position in which the fuses are movable so they can be extracted, said retaining device being operable from the outside.
  • the fuse holder cover and/or fuse retaining device comprise elastic means, preferably a pair of facing elastic strips, for pushing the retaining device from the release position to the locking position.
  • This tilting of the fuse retaining device through an imaginary transverse axis, in which the lower portion of the fuse retaining device moves towards the inside of the fuse holder cover, and the upper portion of the fuse retaining device moves towards the outside, moving away from the fuse holder cover, is what causes integral backward movement of the protrusions, which causes them to no longer act on the locking tabs of the fuses, and accordingly allowing upward movement of the fuses through the housings for the subsequent release and/or extraction thereof.
  • the fuse retaining device automatically returns to the locking position because the mentioned elastic strips, in order to return to their rest position, cause the fuse retaining device to tilt from the release position to the locking position.
  • the possibility of the fuse holder base additionally comprising movable closure elements fixed to the inner face of the fuse retaining device through auxiliary tabs for blocking the at least two through holes of the fuse retaining device is contemplated. It has furthermore been envisaged that the fuse holder cover can have a window that allows seeing the fuses installed therein, and in which the fuse retaining device is located such that it covers at least one portion of the window.
  • Figure 1 shows the fuse holder base (1) in which fuses can be released from the outside of the invention, said fuse holder base (1) comprising:
  • Said fuse retaining device (30) is a device that can tilt between two positions, a locking position, shown in Figure 5B , in which the fuses (2) are locked by the protrusions (34); and a release position, shown in Figure 5C , in which the fuses (2) are upwardly movable so they can be freely extracted.
  • the protrusions (34) are located on the inner face of the fuse retaining device (30) for locking upper locking tabs (3) of the fuses (2).
  • These locking tabs (3) shown in Figures 3 and 4 , can be fitted into the housings (21) of the fuse holder cover (20), in which said housings (21) in the present example have a wider upper portion with respect to the lower portion.
  • This special configuration of the housings (21) allows a faster and more comfortable extraction of the fuses (2) once the fuse retaining device (30) is in the release position.
  • the fuse holder cover (20) and/or fuse retaining device (30) comprise elastic means (23, 35) for pushing the fuse retaining device (30) from the release position to the locking position.
  • said elastic means comprise in the present embodiment first elastic strips (23) attached to the fuse holder cover (20) and second elastic strips (35) attached to the fuse retaining device (30), the elastic strips (35) attached to the fuse retaining device (30) being located behind the elastic strips (23) attached to the fuse holder cover (20).
  • the fuse retaining device (30) when the fuse retaining device (30) is no longer acted on, it immediately returns to its locking position as a result of the pressure applied by the elastic strips (23) of the fuse holder cover (20) on the elastic strips (35) of the fuse retaining device (30).
  • the elastic strips (23, 35) comprise a vertical section (23a, 35a) and are attached by the proximal end of which to the fuse holder cover (20) and to the fuse retaining device (30), respectively, and from the distal end of which respective inclined sections (23b, 35b) arise, as depicted in Figures 4 and 5B , such that in the release position of the fuse retaining device (30) the elastic strips (23) of the fuse holder cover (20) deform, experience slight movement towards the rear portion thereof.
  • the fuse holder cover (20) further comprises in the present embodiment a pair of vertical side walls (22) each having a hole (26) positioned such that they are facing one another, as shown in Figure 4 .
  • the fuse retaining device (30) comprises a pair of inner lugs (31), shown in Figures 6 and 7 , which have respective outer protuberances (32) for the insertion thereof into holes (26) of side walls (22) of the fuse holder cover (20), such that operation of the fuse retaining device (30) causes it to tilt with respect to the fuse holder cover (20) from the locking position to the release position, in which said tilting is through an imaginary transverse axis (E), shown in Figure 4 , located between the holes (26) of the fuse holder cover (20).
  • E imaginary transverse axis
  • the lugs (31) are located on the side edges of the fuse retaining device (30), in a position perpendicular to the inner surface of the fuse retaining device (30), and in a position that is lower in height than the elastic strips (35) of said fuse retaining device (30).
  • This special relative position between both elements, i.e., lugs (31) and elastic strips (35) allows the tilting movement of the fuse retaining device (30) from the locking position to the release position, and vice versa, to take place without any interruption at any time.
  • both the elastic strips (23, 35) and the lugs (31) and their protuberances (32) are manufactured in a plastic material, such that both the fuse holder cover (20) and the fuse retaining device (30) are manufactured quickly and easily in one and the same injection or extrusion molding process, without requiring additional external parts, such as levers, springs or metal springs, whereby manufacturing, material and assembly costs of the fuse holder base (1) of the invention are considerably reduced.
  • the fuse retaining device (30) additionally comprises a horizontal skirt (33) arranged on its upper edge, in which said skirt (33) having a length such that in the release position of the fuse retaining device (30) there are no gaps or free spaces between the fuse holder cover (20) and said fuse retaining device (30). This allows providing a barrier element against the possible entry of dust particles, small insects or foreign bodies that may affect normal operation of the fuses (2) or the tilting movement of the fuse retaining device (30).
  • the fuse retaining device (30) additionally comprises a pair of retaining notches (36), depicted in Figure 6 , located in each of its upper corners, in which said retaining notches (36) include a stop surface (36s) for contact thereof in the release position of the fuse retaining device (30) with a pair of projecting side branches (24) of the fuse holder cover (20), which are shown in Figure 1 .
  • This feature allows preventing extreme tilting of the fuse retaining device (30), providing an additional safety mechanism against a possible attempt to extract the fuse retaining device (30) by unauthorized third parties.
  • the fuse holder cover (20) in the present example furthermore has a pair of anchoring hooks (25) for the articulated attachment between socket (10) and fuse holder cover (20), inner slots (12) having been provided to that end in the socket (10).
  • Said anchoring hooks (25) have an inverted U shape and are located at respective lower side ends of the rear face (20a) of the fuse holder cover (20) for tilting and V-shaped separation between the socket (10) and the fuse holder cover (20), as can be seen in Figure 2 .
  • the fuse retaining device (30) in the present example comprises six through holes (37), three in the upper half and three in the lower half, in correspondence with the three fuses (2) fixed in the fuse holder cover (20). These through holes (37) are suitable for allowing tapping the voltage in the fuses (2).
  • the fuse holder base (1) additionally comprises closure elements (40), shown in Figures 7 , 8A-8C and 9 , that are horizontally movable and fixed to the inner face of the fuse retaining device (30) through auxiliary tabs (41) for blocking the through holes (37) of the fuse retaining device (30), such that tapping the voltage of the fuses (2) is prevented.
  • Figures 8A-8C show three front views of the fuse holder base (1), depending on the position of the closure elements (40), in which said closure elements (40) in the present embodiment have a pair of holes (44), shown in Figure 7 , having the same diameter as the through holes (37) of the fuse retaining device (30).
  • the closure elements (40) are in the open position, being moved towards the right portion of the fuse retaining device (30). More specifically, in this first position the two holes (44) of the closure elements (40) are located such that they are facing and coinciding with the central and right through holes (37) of the fuse retaining device (30) itself, and in which the third through hole (37) located more to the left as can be seen in Figure 8A is completely open and free, without any opposition by the closure elements (40) because the latter have a shorter length with respect to the total width of the fuse retaining device (30).
  • the voltage of the fuses (2) can be tapped in this first position through said through holes (37) of the fuse retaining device (30).
  • closure elements (40) are also in the closed position; but greater safety and integrity of the fuse holder base (1) are further assured as any subsequent movement towards the first position or second position is prevented, unless such movement is by means of a prior opening and separation between the socket (10) and the fuse holder cover (20) through the aforementioned anchoring hooks (25), as shown in Figure 2 .
  • closure elements (40) being able to additionally comprise first projections (42) on the inner face thereof, suitable for forming a stop element with respect to extensions (11) existing in the socket (10), such that horizontal movement of the closure elements (40) is prevented when said first projections (42) laterally impact against the extensions (11) of the socket, as shown in Figure 9 , is furthermore contemplated.
  • the closure elements (40) therefore cannot slide from the second position to the third position, and vice versa, unless the socket (10) and the fuse holder cover (20) are pivoted and separated from one another, as discussed above. Proceeding in this manner allows preventing incorrect use of the fuse holder base (1) by unauthorized third parties attempting to fraudulently extract electric energy through the holes (37) intended for tapping the current. Therefore, the fact that it is necessary to separate the socket (10) from the fuse holder cover (20) means that if an unauthorized person performs said separation, the power supply is cut off, and this is recorded in a control unit so that the electric energy provider can subsequently verify incorrect use thereof.
  • the fuse retaining device (30) can comprise through grooves (38) on its surface and the closure elements (40) have seconds projections (43) that can be fitted into said grooves (38) and facilitate the position change operation of the closure elements 40, as can be seen in Figures 8A-8C .
  • the aforementioned second projections (43) can have a hole, such that a seal, not depicted in the drawings, can be placed between the closure elements (40) and the fuse retaining device (30), such that the closure elements (40) can be secured in the second closed position, shown in Figure 8B , or such that it at least allows showing incorrect use by a third party.
  • the fuse retaining device (30) comprises a pair of flexible tabs (39) arranged in the lower area thereof for optimal coupling between the fuse retaining device (30) and the fuse holder cover (20).

Landscapes

  • Fuses (AREA)

Claims (14)

  1. Sicherungshalterbasis (1) mit einem Sockel (10), der Kontakte zum Kontaktieren zumindest einer Sicherung (2) aufweist, mit einer Sicherungshalterabdeckung (20), die an dem Sockel (10) gelenkig angebracht ist, und mit zumindest einem Gehäuse (21) zum Aufnehmen zumindest einer herausnehmbaren Sicherung (2), dadurch gekennzeichnet, dass diese zusätzlich eine Sicherungsrückhaltevorrichtung (30) aufweist, die an der Sicherungshalterabdeckung (20) befestigt ist, dadurch gekennzeichnet, dass die Sicherungsrückhaltevorrichtung (30) ein Front-Drucktaster ist, der zwischen zwei Positionen bewegbar ist, eine Arretierungsposition zum Arretieren von Sicherungen (2) und eine Löseposition zum Lösen von Sicherungen (2).
  2. Sicherungshalterbasis (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Sicherungsrückhaltevorrichtung (30) eine Schwenkvorrichtung ist.
  3. Sicherungshalterbasis (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Sicherungsrückhaltevorrichtung (30) von außen bedient werden kann.
  4. Sicherungshalterbasis (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Sicherungsrückhaltevorrichtung (30) Arretierungsmittel (34) auf einer Innenseite aufweist.
  5. Sicherungshalterbasis (1) nach Anspruch 4, dadurch gekennzeichnet, dass die Arretierungsmittel Vorsprünge (34) sind, die als Anschlagelemente zum Fixieren der zumindest einen Sicherung in der Arretierungsposition dienen.
  6. Sicherungshalterbasis (1) nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass die Arretierungsmittel (34) in einer inneren Hälfte der Sicherungsrückhaltevorrichtung (30) angeordnet sind, wobei der Front-Drucktaster in der gegenüberliegenden Hälfte bezüglich der Rotationsachse der Rückhaltevorrichtung (30) angeordnet ist.
  7. Sicherungshalterbasis (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Sicherungshalterabdeckung (20) und/oder die Sicherungsrückhaltevorrichtung (30) elastische Mittel (23, 35) zum Verbringen der Sicherungsrückhaltevorrichtung (30) von der Löseposition zur Arretierungsposition aufweist.
  8. Sicherungshalterbasis (1) nach Anspruch 7, dadurch gekennzeichnet, dass die elastischen Mittel zumindest einen elastischen Streifen (23, 35) aufweisen, so dass die Bedienung der Sicherungsrückhaltevorrichtung (30) eine leichte Deformation des elastischen Streifens (23, 35) sowie ein Schwenken der Sicherungsrückhaltevorrichtung (30) bezüglich der Sicherungshalterabdeckung (20) bewirkt, wobei, wenn die Sicherungsrückhaltevorrichtung (30) nicht länger betätigt wird, diese unverzüglich in aufgrund des Drucks der auf den elastischen Streifen (23, 35) ausgeübt wird, ihre Arretierungsposition zurückkehrt.
  9. Sicherungshalterbasis (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Sicherungshalterabdeckung (20) ein Fenster aufweist, das erlaubt, dass die Sicherungen, die darin installiert sind, sichtbar sind, wobei die Sicherungsrückhaltevorrichtung (30) so angeordnet ist, dass sie zumindest einen Teil des Fensters abdeckt.
  10. Sicherungshalterbasis (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Sicherungsrückhaltevorrichtung (30) zumindest ein Durchgangsloch (37) zum Abnehmen der Spannung an der Sicherung (2) aufweist.
  11. Sicherungshalterbasis (1) nach Anspruch 10, dadurch gekennzeichnet, dass diese zusätzlich Verschlusselemente (40) aufweist, die zwischen zwei Positionen bewegbar sind, einer geschlossenen Position und einer anderen offenen Position des zumindest einen Durchgangslochs (37) der Sicherungsrückhaltevorrichtung (30), welche zwischen der Sicherungshalteabdeckung und der Rückhaltevorrichtung angeordnet sind.
  12. Sicherungshalterbasis (1) nach Anspruch 11, dadurch gekennzeichnet, dass die Verschlusselemente (40) zusätzlich erste Vorsprünge (42) auf der Innenseite derselben aufweisen, die geeignet sind, ein Anschlagelement bezüglich Extensionen (11) des Sockels (10) zu bilden.
  13. Sicherungshalterbasis (1) nach einem der Ansprüche 11 oder 12, dadurch gekennzeichnet, dass die Sicherungsrückhaltevorrichtung (30) Durchgangsnuten (38) auf ihre Oberfläche aufweist und dass die Verschlusselemente (40) zweite Vorsprünge (43) aufweisen, die in diese Nuten (38) eingepasst werden können.
  14. Sicherungshalterbasis (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Sicherungshalterabdeckung (20) drei Gehäuse (21) zur Aufnahme von drei Sicherungen (2) aufweist, und die Sicherungsrückhaltevorrichtung zumindest drei mit jeder der drei Sicherungen (2) korrespondierende Durchgangslöcher (37) aufweist.
EP15382134.3A 2015-03-20 2015-03-20 Sicherungshalterbasis Active EP3070730B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
TR2018/01287T TR201801287T4 (en) 2015-03-20 2015-03-20 Fuse Holder Base
EP15382134.3A EP3070730B1 (de) 2015-03-20 2015-03-20 Sicherungshalterbasis
ES15382134.3T ES2660398T3 (es) 2015-03-20 2015-03-20 Base portafusibles
PL15382134T PL3070730T3 (pl) 2015-03-20 2015-03-20 Podstawa oprawy bezpiecznikowej
HRP20180181TT HRP20180181T1 (hr) 2015-03-20 2018-01-31 Osnova držača osigurača

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15382134.3A EP3070730B1 (de) 2015-03-20 2015-03-20 Sicherungshalterbasis

Publications (2)

Publication Number Publication Date
EP3070730A1 EP3070730A1 (de) 2016-09-21
EP3070730B1 true EP3070730B1 (de) 2017-11-01

Family

ID=52991666

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15382134.3A Active EP3070730B1 (de) 2015-03-20 2015-03-20 Sicherungshalterbasis

Country Status (5)

Country Link
EP (1) EP3070730B1 (de)
ES (1) ES2660398T3 (de)
HR (1) HRP20180181T1 (de)
PL (1) PL3070730T3 (de)
TR (1) TR201801287T4 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7260490B6 (ja) * 2020-01-16 2023-05-10 矢崎総業株式会社 カバー

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931660C1 (en) * 1989-09-22 1991-03-07 Jean Mueller Gmbh Elektrotechnische Fabrik, 6228 Eltville, De Low voltage high power fused switch isolator - has electrically insulating over-reaching protection in isolator cover
DE4310638C2 (de) 1993-04-01 1995-02-02 Mueller Jean Ohg Elektrotech Befestigung des Sockels eines Kabelverteilerschrankes auf einer gitterrostförmigen Bodenplatte, mit mindestens einer in die Bodenplatte eingedrückten Klammer
DE29721446U1 (de) 1997-12-04 1998-04-30 Wöhner GmbH & Co. KG Elektrotechnische Systeme, 96472 Rödental Sichtfenster
DE29721455U1 (de) * 1997-12-04 1998-04-30 Wöhner GmbH & Co. KG Elektrotechnische Systeme, 96472 Rödental Übergreifschutz
DE29908804U1 (de) 1999-05-19 1999-08-05 Jung Polykontakt GmbH, 88356 Ostrach NH-Sicherungslasttrennschalter
DE10059698A1 (de) 2000-12-01 2002-06-06 Efen Gmbh Gerät zur Aufnahme von elektrischen Bauelementen in NH-Sicherungsbauform
WO2002089164A1 (es) 2001-04-30 2002-11-07 Pronutec, S.A. Mejoras en bases portafusibles
ES2362352T3 (es) 2002-09-24 2011-07-01 Pronutec, S.A. Base portafusibles unipolar.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PL3070730T3 (pl) 2018-06-29
EP3070730A1 (de) 2016-09-21
TR201801287T4 (en) 2018-03-21
HRP20180181T1 (hr) 2018-05-04
ES2660398T3 (es) 2018-03-22

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