EP0295155B1 - Modulschutzschalter, bestehend aus einem mit einem mehrpoligen Leistungsschutzschalterblock zusammenwirkenden Auslöseblock - Google Patents

Modulschutzschalter, bestehend aus einem mit einem mehrpoligen Leistungsschutzschalterblock zusammenwirkenden Auslöseblock Download PDF

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Publication number
EP0295155B1
EP0295155B1 EP19880401006 EP88401006A EP0295155B1 EP 0295155 B1 EP0295155 B1 EP 0295155B1 EP 19880401006 EP19880401006 EP 19880401006 EP 88401006 A EP88401006 A EP 88401006A EP 0295155 B1 EP0295155 B1 EP 0295155B1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
trip
unit
finger
handle
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
EP19880401006
Other languages
English (en)
French (fr)
Other versions
EP0295155A1 (de
Inventor
Yves Belin
Patrick De Robertis
Patrick Guillon
Michel Lazareth
Jacques Vallot
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin 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 Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of EP0295155A1 publication Critical patent/EP0295155A1/de
Application granted granted Critical
Publication of EP0295155B1 publication Critical patent/EP0295155B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • H01H71/0271—Mounting several complete assembled circuit breakers together
    • H01H2071/0278—Mounting several complete assembled circuit breakers together with at least one of juxtaposed casings dedicated to an auxiliary device, e.g. for undervoltage or shunt trip

Definitions

  • the invention relates to a modular circuit breaker with auxiliary trip block, in particular differential or emission, capable of being coupled and coupled to a multipole circuit breaker block having a plurality of juxtaposed poles, each pole of said circuit breaker block comprising separable contacts and a first mechanism for actuating said contacts, controlled either manually by a first control handle with two stable opening and closing positions of the circuit breaker, or automatically by a main trip device cooperating with a trip bar in the event of overload or short-circuit circuit, said auxiliary trip unit containing an electromagnetic relay associated with a second control mechanism comprising a second reset lever for the trip unit and a first mechanical trip link capable of transmitting the trip order of the relay to the trip bar by engagement nt of a finger of the second mechanism in a hole in the insulating housing of the neighboring pole.
  • the circuit breaker according to the invention is characterized in that a means of controlling the position of the first and second levers comprises a ramp arranged on the trip bar of the main trip device, and that the finger of the first mechanical link triggering the second mechanism is likely to come into engagement with said ramp to cause the forced tripping of the circuit breaker block in the event of a discrepancy between the levers, in particular during the association of a disarmed tripping block with a closed circuit breaker block, the movement of approaching the blocks being transformed into a pivoting movement of the trigger bar towards the triggered position.
  • the second mechanism is equipped with a second mechanical link for resetting the trip unit comprising a transmission lug capable of driving the reset handle to the armed position during manual actuation of the handle of the first mechanism to the closed position. of the circuit breaker block.
  • This second mechanical link can be unidirectional or bidirectional.
  • an auxiliary trip unit 12 of the differential or emission type is attached and coupled to a two-pole circuit breaker unit 10 to constitute a differential circuit breaker or a remote-controlled circuit breaker.
  • the circuit breaker block 10 is formed by the juxtaposition of two standard 14.16 poles each comprising a pair of connection terminals, a pair of separable 18.20 contacts (FIGS. 5 and 6) and a first actuation mechanism 22 controlled either manually by a control lever 24 with two stable positions for opening and closing the circuit breaker, or automatically by a main thermomagnetic trip device (not shown) actuating a common trip bar 26 in the event of an overload or short-circuit.
  • the levers 24 of the two poles 14, 16 are mechanically linked together by a common bar 28.
  • the mechanism 22 ( Figures 5 and 6) of each pole 14,16 is of the type described in European patent application No.
  • 86 402 267 and comprises a trigger lever 30 pivotally mounted on an axis 32 carried by a plate 34 capable of rotating around a pivot 36 when the circuit breaker opens and closes.
  • a transmission link 38 is interposed between the lever 24 and an attachment (not shown) of the plate 34, said attachment being unlocked by the trigger lever 30 during a fault detected by the magnetothermal trigger.
  • This tripping order can be transmitted to the pole next to the block circuit breaker 10 by a finger 44 ( Figures 5 and 9), formed by an auxiliary needle connecting the extensions of the trigger levers 30 of the two poles.
  • the finger 52 of the first mechanical connection 48 crosses the orifice 42 on the right of the pole 16, and cooperates either with a shoulder 62, or with a ramp 64 of the trigger lever 30 according to the armed or triggered state of the mechanisms 22,46 for controlling the blocks 10,12.
  • the shoulder 62 extends parallel to the trigger finger 52 and is located between the ramp 64 and a housing 66 blind lever 30.
  • the second link 50 could also be completely eliminated, and the separate resetting of the auxiliary trip unit 12 would in this case be done manually by actuation of the lever 54 before the circuit breaker unit 10 closes.
  • FIG. 10 does not provide for forced triggering in the event of discordance of the levers 24.54, but an automatic return of the lever 54 of the trigger block 12 by means of a ratchet 70.
  • the latter is advantageously integrated in the lug 56 of the handle 54.

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Claims (8)

  1. Leistungsschalter in Modulbauweise mit Hilfsauslöseblock (12), insbesondere einem Differenz- oder Arbeitsstromauslöser, zur Anreihung und Ankopplung an einen Mehrpol-Leistungsschalterblock (10) mit mehreren aneinandergereihten Schalterpolen, wobei jeder der Pole des genannten Leistungsschalterblocks (10) mit trennbaren Kontakten (18, 20) und einem ersten Antriebsmechanismus (22) ausgerüstet ist, mitdem die genannten Kontakte entweder manuell über einen ersten Betätigungshebel (24) mit zwei stabilen Schaltstellungen entsprechend der Einschalt- bzw. Ausschaltstellung des Leistungsschalters, oder im Überlast- bzw. Kurzschlußfall automatisch über die durch einen Hauptauslöser gesteuerte Auslösestange (26) betätigt werden, und der genannte Hilfsauslöseblock (12) mit einem elektromagnetischen Relais (45) bestückt ist, das auf einen zweiten Antriebsmechanismus (46) mit einem zugehörigen zweiten Betätigungshebel (54) zum Wiederspannen des Auslöseblocks (12) sowie einer ersten mechanischen Auslöseverbindung (48) wirkt, die dazu dient, durch Einpassen eines Zapfens (52) des zweiten Antriebsmechanismus (46) in eine entsprechende Öffnung (42) im lsolierstoffgehäuse (40) des angrenzenden Schalterpols (16) den Auslösebefehl des Relais (45) auf die Auslösestange (26) zu übertragen,
    dadurch gekennzeichnet, daß im Ansteuermechanismus des ersten und des zweiten Betätigungshebels (24, 54) an der Auslösestange (26) des Hauptauslösers eine Schräge (64) ausgebildet ist und der Zapfen (52) der ersten mechanischen Auslöseverbindung (48) des zweiten Antriebsmechanismus (46) so auf die genannte Schräge (64) wirkt, daß eine Zwangsauslösung des Leistungsschalterblocks (10) bei unterschiedlicher Stellung der beiden Betätigungshebel (24, 54), insbesondere bei Ankopplung eines entspannten Auslöseblocks (12) an einen eingeschalteten Leistungsschalterblock (10) dadurch gewährleistet ist, daß die Ankopplung der beiden Blöcke (10, 12) ein Schwenken der Auslösestange (26) in die Ausgelöst-Stellung bewirkt.
  2. Leistungsschalter in Modulbauweise nach Anspruch 1, dadurch gekennzeichnet, daß die durch Wirkung des Zapfens (52) auf die Schräge (64) hervorgerufene Zwangsauslösung des Leistungsschalterblocks (10) vor dem Ankoppeln der beiden Betätigungshebel (24, 54) des ersten und des zweiten Antriebsmechanismus (22, 46) erfolgt, da bei Berührung des Zapfens (52) und der Schräge (64) ein voreingestelltes Spiels J zwischen den genannten Betätigungshebeln verbleibt.
  3. Leistungsschalter in Modulbauweise nach Anspruch 2, dadurch gekennzeichnet, daß der zweite Antriebsmechanismus (46) eine zweite zum Wiederspannen des Auslöseblocks (12) dienende mechanische Verbindung (50) mit einen Mitnehmer (56) aufweist, der bei manuellem Umlegen des ersten Betätigungshebels (24) des ersten Antriebsmechanismus (22) in die Einschaltstellung des Leistungsschalterblocks (10) den zweiten Betätigungshebel (54) in die Gespannt-Stellung überführt.
  4. Leistungsschalter in Modulbauweise nach Anspruch 3, dadurch gekennzeichnet, daß die zweite mechanische Verbindung (50) zum Wiederspannen des Auslöseblocks (12) durch Anbringung des Mitnehmers (56) am zweiten Betätigungshebel (54) nur in einer Richtung wirkt, derart daß der Mitnehmer (56) nur während des Einschalthubs durch den ersten Betätigungshebel (24) des ersten Antriebsmechanismus (22) mitgeführt wird.
  5. Leistungsschalter in Modulbauweise nach Anspruch 3, dadurch gekennzeichnet, daß die zweite mechanische Verbindung (50) zum Wiederspannen des Auslöseblocks (12) durch direkte Verbindung des Mitnehmers (56) mit beiden Betätigungshebeln (24, 54) bidirektional wirkt, wobei der zweite Antriebsmechanismus (46) so ausgelegt ist, daß die Spannbewegung für das Relais (45) des Auslöseblocks (12) durch den Ausschalthub des ersten Antriebsmechanismus (22) bereitgestelltwird.
  6. Leistungsschalter in Modulbauweise nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Auslöseblock (12) mit Ansatzstücken (60) zur Aufnahme durch die gegenüberliegenden Paßöffnungen (61) des Schalterpols (16) versehen ist, um die beiden aneinandergereihten Blöcke (10, 12) zu zentrieren, wobei die Ansatzstücke (60) und der Zapfen (52) der zweiten mechanischen Auslöseverbindung (48) aus der Innenseite des Auslöseblocks (12) herausragen und parallel zueinander angeordnet sind.
  7. Leistungsschalter in Modulbauweise nach Anspruch 6, dadurch gekennzeichnet, daß der Zapfen (52) der ersten mechanischen Auslöseverbindung (48) kürzer ist als die Ansatzstücke (60).
  8. Leistungsschalter in Modulbauweise nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß sich die Schräge (64) zur Kraftübertragung auf die Auslösestange (26) direkt am Auslösehebel (30) des ersten Antriebsmechanismus (22) desjenigen Schalterpols (16) befindet, der an den Auslöseblock (12) grenzt.
EP19880401006 1987-05-11 1988-04-25 Modulschutzschalter, bestehend aus einem mit einem mehrpoligen Leistungsschutzschalterblock zusammenwirkenden Auslöseblock Expired - Lifetime EP0295155B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8706623A FR2615323B1 (fr) 1987-05-11 1987-05-11 Disjoncteur modulaire a bloc declencheur auxiliaire associe a un bloc disjoncteur multipolaire
FR8706623 1987-05-11

Publications (2)

Publication Number Publication Date
EP0295155A1 EP0295155A1 (de) 1988-12-14
EP0295155B1 true EP0295155B1 (de) 1992-10-28

Family

ID=9350996

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880401006 Expired - Lifetime EP0295155B1 (de) 1987-05-11 1988-04-25 Modulschutzschalter, bestehend aus einem mit einem mehrpoligen Leistungsschutzschalterblock zusammenwirkenden Auslöseblock

Country Status (4)

Country Link
EP (1) EP0295155B1 (de)
DE (1) DE3875528T2 (de)
ES (1) ES2035934T3 (de)
FR (1) FR2615323B1 (de)

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US6037555A (en) 1999-01-05 2000-03-14 General Electric Company Rotary contact circuit breaker venting arrangement including current transformer
US6087913A (en) 1998-11-20 2000-07-11 General Electric Company Circuit breaker mechanism for a rotary contact system
US6114641A (en) 1998-05-29 2000-09-05 General Electric Company Rotary contact assembly for high ampere-rated circuit breakers
US6166344A (en) 1999-03-23 2000-12-26 General Electric Company Circuit breaker handle block
US6172584B1 (en) 1999-12-20 2001-01-09 General Electric Company Circuit breaker accessory reset system
US6175288B1 (en) 1999-08-27 2001-01-16 General Electric Company Supplemental trip unit for rotary circuit interrupters
US6184761B1 (en) 1999-12-20 2001-02-06 General Electric Company Circuit breaker rotary contact arrangement
US6188036B1 (en) 1999-08-03 2001-02-13 General Electric Company Bottom vented circuit breaker capable of top down assembly onto equipment
US6204743B1 (en) 2000-02-29 2001-03-20 General Electric Company Dual connector strap for a rotary contact circuit breaker
US6211757B1 (en) 2000-03-06 2001-04-03 General Electric Company Fast acting high force trip actuator
US6211758B1 (en) 2000-01-11 2001-04-03 General Electric Company Circuit breaker accessory gap control mechanism
US6215379B1 (en) 1999-12-23 2001-04-10 General Electric Company Shunt for indirectly heated bimetallic strip
US6218919B1 (en) 2000-03-15 2001-04-17 General Electric Company Circuit breaker latch mechanism with decreased trip time
US6218917B1 (en) 1999-07-02 2001-04-17 General Electric Company Method and arrangement for calibration of circuit breaker thermal trip unit
US6225881B1 (en) 1998-04-29 2001-05-01 General Electric Company Thermal magnetic circuit breaker
US6229413B1 (en) 1999-10-19 2001-05-08 General Electric Company Support of stationary conductors for a circuit breaker
US6232859B1 (en) 2000-03-15 2001-05-15 General Electric Company Auxiliary switch mounting configuration for use in a molded case circuit breaker
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US6232856B1 (en) 1999-11-02 2001-05-15 General Electric Company Magnetic shunt assembly
US6239398B1 (en) 2000-02-24 2001-05-29 General Electric Company Cassette assembly with rejection features
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US6262642B1 (en) 1999-11-03 2001-07-17 General Electric Company Circuit breaker rotary contact arm arrangement
US6268991B1 (en) 1999-06-25 2001-07-31 General Electric Company Method and arrangement for customizing electronic circuit interrupters
US6281461B1 (en) 1999-12-27 2001-08-28 General Electric Company Circuit breaker rotor assembly having arc prevention structure
US6281458B1 (en) 2000-02-24 2001-08-28 General Electric Company Circuit breaker auxiliary magnetic trip unit with pressure sensitive release
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FR2656155B1 (fr) * 1989-12-18 1992-03-06 Merlin Gerin Auxiliaire d'adaptation pour interrupteur differentiel multipolaire.
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DE102007046356B4 (de) * 2007-09-27 2009-12-10 Siemens Ag Schaltmechanik einer Fehlerstromschutzeinrichtung, Fehlerstromschutzeinrichtung sowie System mit einer Fehlerstromschutzeinrichtung und einem Leitungsschutzschalter
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Also Published As

Publication number Publication date
FR2615323B1 (fr) 1989-06-30
FR2615323A1 (fr) 1988-11-18
ES2035934T3 (es) 1993-05-01
DE3875528D1 (de) 1992-12-03
DE3875528T2 (de) 1993-05-13
EP0295155A1 (de) 1988-12-14

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