EP0807950A1 - Ausschaltanordnung mit Schubsicherungshalter - Google Patents

Ausschaltanordnung mit Schubsicherungshalter Download PDF

Info

Publication number
EP0807950A1
EP0807950A1 EP97410046A EP97410046A EP0807950A1 EP 0807950 A1 EP0807950 A1 EP 0807950A1 EP 97410046 A EP97410046 A EP 97410046A EP 97410046 A EP97410046 A EP 97410046A EP 0807950 A1 EP0807950 A1 EP 0807950A1
Authority
EP
European Patent Office
Prior art keywords
drawer
fuse
circuit breaker
housing
movable
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.)
Withdrawn
Application number
EP97410046A
Other languages
English (en)
French (fr)
Inventor
Manuel Cedron
Jean-Baptiste Tallier
André Deprez
Joel Fagnoul
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric SE
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 Schneider Electric SE filed Critical Schneider Electric SE
Publication of EP0807950A1 publication Critical patent/EP0807950A1/de
Withdrawn legal-status Critical Current

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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
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • H01H85/547—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers with sliding fuse carrier
    • 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
    • H01H85/0078—Security-related arrangements
    • H01H85/0091—Security-related arrangements providing disconnection of the neutral line
    • 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
    • H01H85/26—Magazine arrangements
    • 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
    • H01H85/30—Means for indicating condition of fuse structurally associated with the fuse
    • H01H85/32—Indicating lamp structurally associated with the protective device
    • 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
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • H01H85/545—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers with pivoting fuse carrier

Definitions

  • the object of the invention is to provide a circuit breaker with an improved fuse holder drawer and a standard housing.
  • the circuit breaker according to the invention is characterized in that the positioning means inside the housing are arranged to receive either a first control slide movable in translation towards the insertion position after said unlocking, or a second control drawer movable in rotation.
  • the locking means of the first control drawer comprise a rectilinear tongue cooperating with a guide rib parallel to the tongue to ensure said translational movement after unlocking.
  • the tongue is provided with an oblique edge coming into contact with said rib in the absence of prior unlocking movement, so as to direct the first drawer towards a protuberance to ensure locking in the intermediate position.
  • the second rotary drawer comprises a guide leg of curved shape cooperating with a conjugate rib of the housing in order to ensure said rotational movement after unlocking.
  • the first insulating control slide 14 is introduced into the housing 12 through the orifice 20 of the front face 18, and comprises a gripping member 22 to move it between an insertion position (FIG. 6) corresponding to the state closing switch, and an extraction position (Figure 1) corresponding to the opening state of the disconnector.
  • the drawer 14 is equipped with positioning means capable of guiding it during the movement stroke between the extraction and insertion positions.
  • the positioning means comprise a guide wall 30 perpendicular to the flange 24, and cooperating with the internal wall 34 in line with the orifice 20 of the housing 12.
  • the movable slide 14 also includes locking means capable of cooperating during the path of 'insertion with stop means integral with the housing 12, to block the drawer 14 in an intermediate safety position located between the extraction position, and the insertion position.
  • the locking means comprise a rectilinear tongue 38 having an oblique edge 40 cooperating with a guide rib 42 to bring the drawer 14 against a protuberance 44 constituting the stop means.
  • the rib 42 and the protrusion 44 are produced directly by molding with the shell 12A.
  • FIG. 1 corresponding to the position of extraction of the drawer 14, the disconnector is open, and the tongue 38 of the drawer 14 is separated from the rib 42.
  • the drawer 14 projects from the orifice 20, and is slightly inclined by relative to the longitudinal direction perpendicular to the anterior face 18.
  • the edge 40 at a bevel of the tongue 38 cooperates with the rib 42 ( Figures 2 and 3) so as to ensure the 'switch to the intermediate locking position.
  • the unlocking of the drawer 14 requires a slight pivoting movement exerted anticlockwise, letting the tongue 38 of the protrusion 44 escape.
  • the application of the force F then allows the drawer to be moved to the insertion position ( Figure 6).
  • the disconnector is then closed, and the flange 24 of the drawer 14 completely closes the front face 18 of the housing 12.
  • the circuit breaker 10 is opened following the extraction of the drawer 14.
  • the presence of the intermediate locking position of the drawer 14 improves safety, in particular during an attempt to close from the cabinet door by an unauthorized person.
  • the closing movement of the door is exerted exclusively in the direction of arrow F, which causes the blocking of the drawer 14, and prohibits any closing of the disconnector.
  • the second rotary drawer 114 comprises a rounded gripping member 122, and a guide leg 50 of curved shape cooperating with a rib 52 conjugated with the shell 12B.
  • the lower arm 54 carries a retaining lug 56 intended to come into engagement against a stop 58 of the shell 12B in the intermediate locking position (FIG. 9).
  • the intermediate locking of the second drawer 114 is similar to that obtained with the first drawer 14, and occurs following a thrust force F whose line of action is perpendicular to the front face 18.
  • Unlocking the drawer 114 requires a slight movement in the direction of the arrow F1 (FIG. 10) releasing the lug 56 from the stop 58.
  • the tilting of the drawer 114 in the direction of the arrow F2 then allows the movement to rotate towards the insertion position (figure 11).
  • the two types of drawers 14,114 can be used in a single-pole, or single-pole and neutral circuit breaker.
  • FIG. 12 illustrates a single-pole and neutral circuit breaker equipped with the first slide 14 for movable control in translation, as described with reference to FIGS. 1-7.
  • the drawer 14 carries the cylindrical cartridge of the main fuse 60 in the lower compartment 26, and the spare fuse 62 in the upper compartment 28.
  • the disconnector 64 comprises a phase circuit formed by a pair of plug-in clamps 66,68 cooperating with the contact pads of the main fuse 60, and a neutral circuit comprising a fixed neutral contact device 70 cooperating with a movable neutral contact 72 secured to the slide 14.
  • the phase and neutral circuits are electrically connected to terminals of connection .
  • the phase and neutral circuits of the disconnector 64 are disconnected following the withdrawal of the control slide 14 towards the extraction position.
  • the main fuse contact pads 60 are plugged into the clamps 66, 68 to establish the phase circuit through the fuse.
  • the movable neutral contact 72 also comes into engagement with the fixed neutral contact device 70 to establish the neutral circuit without inserting a fuse.
  • the replacement fuse 62 is of course not connected.
  • Figure 13 shows the circuit breaker of Figure 12, with the installation of the second control slide 114 described with reference to Figures 8-11.
  • a melting indicator 74 is easily adaptable to each drawer without removing support pieces.
  • the fusion indicator 74 comprises an envelope 76 made of insulating material having a housing in which is inserted a light indicator 78 electrically connected to connection pads 80, 82 projecting slightly from the lower edge of the envelope 76.
  • the size of the envelope 76 corresponds to the upper compartment 28 so as to allow the insertion of the melting indicator 74 in the drawer 14.
  • the envelope 76 additionally comprises a cell for receiving the spare fuse 62.
  • the indicator light 78 is located just behind the flange 24.
  • the mounting of the indicator light 78 is carried out in complete safety, given that the connection pads 80 , 82 are not in contact with the clamps 66, 68 in the extraction position of the drawer 14.
  • connection areas 80,82 of the indicator light 78 are in connection with the clamps 66,68 for plugging in the phase circuit.
  • the indicator 78 remains off until the main fuse 60 has blown. In in the event of a fault causing the fuse 60 to blow, the indicator 78 lights up when voltage is present.
  • a hole is provided in the flange 24 to display the lighting of the indicator light 78 from the front face of the circuit breaker 10.
  • the melting indicator 74 is common to the entire range of circuit breakers, including multi-pole devices, and is independent of the size of the fuse cartridges.

Landscapes

  • Fuses (AREA)
EP97410046A 1996-05-13 1997-04-25 Ausschaltanordnung mit Schubsicherungshalter Withdrawn EP0807950A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9606180A FR2748599B1 (fr) 1996-05-13 1996-05-13 Coupe-circuit a tiroir porte-fusibles
FR9606180 1996-05-13

Publications (1)

Publication Number Publication Date
EP0807950A1 true EP0807950A1 (de) 1997-11-19

Family

ID=9492243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97410046A Withdrawn EP0807950A1 (de) 1996-05-13 1997-04-25 Ausschaltanordnung mit Schubsicherungshalter

Country Status (2)

Country Link
EP (1) EP0807950A1 (de)
FR (1) FR2748599B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370432A (en) * 2000-12-07 2002-06-26 Cooper Technologies Co Modular fuse holder with fuse drawer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7634859U1 (de) * 1976-11-03 1977-05-12 Efen Elektrotechnische Fabrik Otto Frees Kg, 6229 Rauenthal Tandem-NH-Sicherungstrenner EFEN Elektrotechnische Fabrik Otto Frees KG, 6229 Rauenthal
FR2331881A1 (fr) * 1975-11-13 1977-06-10 Simhon Maurice Coupe circuit a cartouche
DE3303471A1 (de) * 1983-02-02 1984-08-02 Siemens AG, 1000 Berlin und 8000 München Reihenklemme
GB2266814A (en) * 1992-05-01 1993-11-10 Mk Electric Ltd Electrical fuse holder.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331881A1 (fr) * 1975-11-13 1977-06-10 Simhon Maurice Coupe circuit a cartouche
DE7634859U1 (de) * 1976-11-03 1977-05-12 Efen Elektrotechnische Fabrik Otto Frees Kg, 6229 Rauenthal Tandem-NH-Sicherungstrenner EFEN Elektrotechnische Fabrik Otto Frees KG, 6229 Rauenthal
DE3303471A1 (de) * 1983-02-02 1984-08-02 Siemens AG, 1000 Berlin und 8000 München Reihenklemme
GB2266814A (en) * 1992-05-01 1993-11-10 Mk Electric Ltd Electrical fuse holder.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370432A (en) * 2000-12-07 2002-06-26 Cooper Technologies Co Modular fuse holder with fuse drawer
ES2188423A1 (es) * 2000-12-07 2003-06-16 Cooper Technologies Co Portafusibles modular.
US6650222B2 (en) * 2000-12-07 2003-11-18 Cooper Technologies Company Modular fuseholder
GB2370432B (en) * 2000-12-07 2004-08-18 Cooper Technologies Co Modular fuseholder

Also Published As

Publication number Publication date
FR2748599B1 (fr) 1998-12-24
FR2748599A1 (fr) 1997-11-14

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