EP1331658A1 - Elektrischer Schaltvorrichtung mit Motorbetätigung und sein Steuerungsverfahren - Google Patents

Elektrischer Schaltvorrichtung mit Motorbetätigung und sein Steuerungsverfahren Download PDF

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Publication number
EP1331658A1
EP1331658A1 EP02354180A EP02354180A EP1331658A1 EP 1331658 A1 EP1331658 A1 EP 1331658A1 EP 02354180 A EP02354180 A EP 02354180A EP 02354180 A EP02354180 A EP 02354180A EP 1331658 A1 EP1331658 A1 EP 1331658A1
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EP
European Patent Office
Prior art keywords
motor
opening
closing
primary member
armed
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.)
Granted
Application number
EP02354180A
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English (en)
French (fr)
Other versions
EP1331658B1 (de
Inventor
Christophe Grumel
Marc Serpinet
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 Industries SAS
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 Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP1331658A1 publication Critical patent/EP1331658A1/de
Application granted granted Critical
Publication of EP1331658B1 publication Critical patent/EP1331658B1/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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H01H71/70—Power reset mechanisms actuated by electric motor

Definitions

  • the invention relates to an electrical switchgear, for example a circuit breaker, fitted with a motorized control ensuring closing and, if necessary opening and resetting of the circuit breaker mechanism.
  • the module includes a motor driving a screw endless which cooperates with a nut integral with the lever.
  • the engine is of a type alternating current comprising a first winding used for driving the rotor in a first direction and a second winding for the drive in reverse.
  • a switch makes it possible to selectively connect one or other of the windings to a electric source via a first and a second circuit branch each comprising a control push button.
  • the motor and the auger are mounted in a chassis fixed to the circuit breaker box.
  • a guide ensures the screw a low degree of freedom of translation relative to the chassis and the stator of the motor. springs recall the screw to a middle position.
  • the closing push button is actuated and the motor is powered in a first direction of travel so as to quickly drive the joystick to the closed position.
  • the controller passes without stopping by a closing neutral position beyond which the toggle mechanism of the circuit breaker suddenly switches to the closed position.
  • the engine continues movement, without stopping, until the nut reaches the end of the stroke.
  • the screw translates slightly against the stress of the return springs and flips the switch, cutting power to the motor.
  • the opening push button is actuated and the motor is supplied in the second direction of travel to drive the joystick, without stopping to an armed position located slightly beyond the open position.
  • the continued rotation of the motor causes a slight translation of the screw and causes the switch to flip which cuts the power to the motor.
  • a removable module for training motorized with a handle of an electric cut-off device, circuit breaker or contactor.
  • the module includes a motor which drives an endless screw cooperating with an integral drawer of the handle of the electric switch-off device.
  • the drawer moves in translation between two end positions, without intermediate stop.
  • the drawer has a window in which the handle of a control switch is inserted. When the drawer approaches one or other of its end positions, the window sill drives the joystick of the control switch and flips the switch, opening the motor supply circuit. This arrangement makes it possible to control the motor with a single control switch.
  • the closing time from a closing order is conditioned by the distance to travel between the armed position and the neutral position closing, which is a non-modifiable constructive data of the mechanism of the device cutoff.
  • To reduce the closing time it is therefore necessary to provide powerful engines and optimize the kinematic chain of transmission of the movement of motor to the handle of the switching device so as to minimize the energy dissipated during of the closure. Consequently, performance is obtained at the cost of space and of a high cost.
  • the invention therefore aims to remedy the drawbacks of the state of the art, so as to propose an electrical breaking device provided with a control module motorized low power and small footprint to obtain a time of short closure.
  • the handle already covers part of the travel between the armed position and the closing neutral position before the closing order is given, the distance remaining after the closing order is lower and requires less energy.
  • the indexed stop position is closer to the point position death from closing only from armed position.
  • control means comprise a switch auxiliary changing state during the passage of the primary organ through the indexed position Stop.
  • control means include means for detecting the fact that the primary member is in the closed position while the motor is controlled to turn in the closing direction, and to stop the engine in this case.
  • This detection can be done for example by an auxiliary limit switch. If the motor is a stepper motor, detection can be obtained by determining the motor position.
  • the motor is a DC motor powered by a current supply controlled by the control means, and the control means include means for detecting the fact that the intensity of the supply current of the motor remains above a predetermined threshold for a predetermined duration while the motor is powered to turn in the closing direction, and to interrupt motor power in this case.
  • the indexed reversal position is the position army.
  • the motor is a direct current motor supplied by a supply current controlled by the control means, and the control means include means for detecting that the intensity of the motor supply current remains greater than a predetermined threshold for a predetermined period of time while the engine is powered to rotate in an opening direction opposite to the closing direction, and to change the direction of rotation of the motor in this case.
  • the apparatus is then particularly simple and reliable, due to the low number of sensors.
  • the indexed turning position is a intermediate position between the opening neutral position and the armed position, plus close to the opening neutral position than to the armed position. We minimize then the displacement of the primary organ in the opening direction, so the time preceding reclosure.
  • the opening procedure also comprises a step opening before the closing preparation stage and in which the movable contact is brought into the separation position and in which the motor drives the primary member in an opening direction opposite to the closing direction until an indexed turning position.
  • the indexed reversal position is the position army.
  • the mechanism will include addition: a hooking member and a release lock.
  • the attachment member is movable between an hooked position and an off-hook position, and is in position attached when the movable contact member is in the contact position.
  • the lock of triggering is controlled by an actuator, and ensures the locking of the organ hooking in the hooked position, the accumulation spring tending to drive simultaneously the latching member from the hooked position to the off-hook position and the movable contact member from the contact position to the separation position when the lock releases the latching member.
  • the movable contact member is brought into the separation position by controlling the actuator which unlocks the lock to release the latching member.
  • the opening time which becomes independent of the engine power.
  • the time required for an open-close cycle remains long, because the motor must imperatively return the primary member to the cocking position before being able to order closure.
  • the indexed turning position is located between the armed position and an opening neutral position located between the closing dead center and the armed position, the accumulation spring being charged by passing from the closed position to the opening neutral position when the contact mobile is in the contact position and discharging by driving the mobile contact member in the separation position when the primary organ continues its movement in the opening direction past the opening dead center towards the indexed position of turnaround.
  • the response time to an opening order is longer and depends on the power of the engine. However, we then minimize the cycle time opening-closing because the movement of the primary member is minimized.
  • the motor drives the primary member of the intermediate stop position in the closed position.
  • a breaking device 10 in this case a circuit breaker three-phase type with molded case and double cut, has, inside a case 12 made of insulating plastic material, the cover of which has been deliberately omitted from the drawings to simplify the presentation, cut-off bulbs 14 and their mechanism 16.
  • the mechanism is provided with an oscillating operating member 18.
  • This operating member has the general shape of a cylinder sector and is provided with a nozzle radial 20 on which can be fixed alternately at choice, either a crank pin 22 or a toothed sector 24.
  • the crank pin 22 is mounted in the case where the device is intended for a manual use, which will not interest us in the rest of the presentation.
  • the toothed sector 24 makes it possible to connect the operating member to a removable motorized module 26.
  • This module 26 comprises a support frame 28 formed by two flanges fixed to a frame of the mechanism by means of a fork 32 and fixing screws not shown in the figures.
  • the active parts of the cut-off bulb consist of two fixed areas 34, 36 of power connection curved in U, and of a movable contact member bridging 38 shown in the separation position in FIGS. 3 to 5, and in the position of contact in FIG. 2, this last position allowing the closing of the circuit of power and the passage of current between the two fixed ranges 34, 36 via the contact bridge 38.
  • the contact bridge 38 is supported by a rotary elementary bar 40 pivoting about a geometric axis 42 fixed relative to the housing.
  • the elementary bar 40 is connected to a hook 44 of the mechanism by means of a connecting rod assembly a lower rod 46 pivoting around a material and geometric axis 48 fixed by relative to the bar, and an upper connecting rod 50 pivoting about a fixed geometric axis 52 relative to the hook 44, the two connecting rods 46, 50 together forming a toggle joint, articulated by an intermediate pivot 54.
  • the hook 44 is itself pivotally mounted around an axis 56 fixed relative to the housing, supported by the flanges of the mechanism. The end free of the hook 44 cooperates with a notch formed in a pallet 58 pivotally mounted about a fixed axis 60 relative to the chassis of the mechanism.
  • the palette 58 is returned to its hooking position by a return spring not shown and held in this position by a locking lever 62 whose pivoting is controlled by an electromechanical actuator forming part of a trip unit, not shown.
  • the hook 44 forms in its upper part a reset cam 64 cooperating with a roller 66 supported by the operating member 18, the operating member being itself pivotally mounted relative to a fixed geometric axis 68 relative to the chassis of the mechanism and the housing.
  • a tension spring 70 ( Figure 1) is banded between the operating member 18 and the articulation pivot 54 of the crankshaft. To simplify the representation, we have shown in Figures 2 to 5 that the line of action 72 of the spring traction 70. This type of mechanism is well known in itself to those skilled in the art.
  • the ring gear 24 is mounted on the end piece 20 of the operating member 18 and meshes on a threaded segment 74 of a rotary shaft 75 forming a transmission stage irreversible 76 worm gear.
  • the shaft is mounted in bearings 78, 80 of the chassis of the motorized module 26 and keyed to the end of the rotor shaft of a current motor continuous 82, the bearings 78, 80 not allowing any translation of the shaft.
  • the control circuit 83 of the motorized module is visible in FIG. 6.
  • a auxiliary switch 84 or micro-contact makes it possible to identify the passage of the operation 18 by an indexed stop position, located between the open armed position and a closed mechanism neutral position shown in Figure 4.
  • the closing neutral position is the position of the operating member 18 corresponding to an alignment of the direction 72 of the force applied by the spring accumulation 70 on articulation 54, with a plane containing the two pivot axes 52, 54 of the upper rod 50, when the bar 40 is in the separation position shown in Figure 3.
  • the spring 70 becomes motor.
  • the indexed stop position in Figure 4 is located a few degrees from the closing neutral position, between closing neutral position and armed open position shown in Figure 3.
  • Three electrical control lines 86, 88, 90 allow the operator or an automated distribution management center electric to transmit, from a remote control interface or any other means, respectively an opening order, a rearming order, and an order to closing.
  • a switch 92 located in the circuit breaker makes it possible to switch either the order opening, i.e. the rearming order. This switch is activated by moving the hook 44 or of any other element of the mechanism representative of the triggered or not state of the device.
  • the switch 92 is in the position shown in solid lines on the Figure 6 when the hook 44 is hooked to the pallet 58.
  • the switch 92 passes into the position in broken lines when the circuit breaker is tripped, the hook 44 being in the position of FIG. 5.
  • a logic unit 94 receives these signals, as well as a signal representative of the intensity of the supply current of the motor 82, delivered by a sensor current 96, and controls the intensity of the motor supply current 82.
  • the operation of the device is as follows.
  • an electromechanical actuator not shown rotates the locking lever 62, releasing the pallet
  • the hook 44 then pushes the palette 58 and becomes free.
  • the spring 70 of the mechanism discharges by contracting, bringing back the linkage 46, 50 and the hook 44 in the triggered position shown in FIG. 5.
  • the bar 40 pivots around its axis 42 and opens the circuit breaker power circuit.
  • the operating member 24 remains stationary.
  • the auxiliary switch 92 goes into the position shown in dotted lines in FIG. 6 due to the displacement of the hook 44.
  • a rearming sequence takes place, the chronological sequence of which is illustrated by the time diagrams of FIGS. 7a to 7e, bearing on the ordinate respectively: the position of the operating member 18 of the apparatus in FIG. 7a ; the intensity of the motor supply current in FIG. 7b; the state of line 86 for transmitting an opening order in FIG. 7c; the state of the detector 84 passing through the intermediate stop position on line 7d; and the detection by the sensor 96 of a threshold crossing of the intensity of the current in FIG. 7e.
  • the sequence is initiated by a reset command received by the control module on line 88 at time t 0 and displayed in FIG. 7c.
  • Logic unit 94 controls the motor in a reset direction.
  • the counter-electromotive force of the motor being zero at rest, the intensity of the supply current (FIG. 7b) exceeds the detection threshold for a few moments, which is detected by the sensor (FIG. 7e).
  • the logic unit compares the duration of this threshold crossing with a time constant. Because the current draw by the motor is transient and has a duration less than the time constant, the logic unit does not modify the command.
  • the motor continues to be supplied and ensures, from the instant t 1 , the pivoting of the operating member from the position of FIG. 3 to the position of FIG. 4, as shown diagrammatically in FIG. 7a. When the operating member comes into abutment, at time t 2 , the motor is blocked and the supply current increases again to cross the detection threshold.
  • the motor supply is cut off (at time t 3 ) for a short time, before being reversed at time t 4 .
  • the supply of the motor at rest causes a current peak which attenuates when the rotor starts to move, so that the duration of the peak (from t 4 to time t 5 ) is less than the constant time delay and the logic unit does not modify the power supply to the motor.
  • the motor then drives the actuator from the open armed position of Figure 3 to the indexed intermediate position of Figure 4. Arriving in this position at time t 6 , the actuator actuates the auxiliary switch ( Figure 7d) which switches to its on state. This event is detected by the logic unit which stops the motor supply.
  • the engine has almost no inertia and the stop is practically immediate, especially as the accumulation spring tends to bring the operating member to the open armed position.
  • the operating member When stopped in the position of FIG. 4, the operating member is then a few degrees from the neutral point of closing of the mechanism, polarized towards the open position armed by the accumulation spring.
  • the irreversible nature of the transmission stage 76 produced by the ring gear 24 and the worm 74 ensures locking in this position and prevents the accumulation spring from causing a return to the open armed position.
  • the device is then in a ready to close state, awaiting a close order.
  • a closing order on the closing line causes the transition from the state mechanism shown in Figure 4 to that shown in Figure 2, according to the sequence illustrated in the time diagrams of FIGS. 8a to 8e which bear in ordered respectively: the position of the operating member 18 of the apparatus on the Figure 8a; the intensity of the motor supply current in FIG. 8b; line condition 90 for transmitting an opening order in FIG. 8c; the state of the passage detector 84 by the intermediate stop position on line 8d; and detection by the sensor 96 of a exceeding the current intensity threshold in FIG. 8e.
  • a closing order is detected on line 90 (figure 8c) and the logic unit activates the motor (figure 8b).
  • the initial supply of the motor at standstill causes a current peak until time T 1 .
  • This peak is detected ( Figure 8e) but the logic unit does not modify the command because the duration of the peak (T 1 -T 0 ) is less than the time constant.
  • the motor drives the operating member towards the closed position. The engine starts the faster the device is near the closing dead center, so that the force opposed by the storage spring is low.
  • the accumulation spring 70 becomes motor and drives the crankshaft and the bar in an impulsive manner towards the closed position shown in FIG.
  • the operating member 18 continues its movement to the closed position of FIG. 2, where it is blocked by an end-of-travel stop at time T 2 .
  • the motor shaft being blocked, the intensity of the supply current passes above the detection threshold.
  • the logic unit stops the supply at time T 3 .
  • the device is found at rest in the state of FIG. 2.
  • the presence of three separate lines 86, 88, 90 for the transmission of orders opening, arming and closing respectively, is dictated by practice which imposes specific conditions of access to the reset command line 88.
  • the reset command line 88 is used in the case where the circuit breaker has triggered on fault. In such a case, it must be possible for the operator who must intervene on the electrical circuit protected by the circuit breaker to eliminate the fault, to prohibit the reset the circuit breaker for the duration of the intervention, which is done by example by padlocking the command button on line 88.
  • the command described above only requires a switch 92 and a auxiliary switch 84 for detecting the indexed position. It is therefore particularly reliable. However, the operating member 18 covers an unnecessary distance to the position armed in the event that the opening was not caused by a trip of the device. The duration of an opening - closing sequence is therefore not optimized.
  • the logic unit receives, independently of each other, the signals in from the opening command line 186, the command line from rearmament 188 and detection of the triggered state 192.
  • the logic unit receives a signal from an auxiliary switch 198 changing state when the control unit maneuver exceeds an indexed position, shown in Figure 11 and located nearby from an opening dead center.
  • the opening neutral position located between the position closing neutral position and the armed open position, is the position corresponding to a alignment of the storage spring with a plane containing the pivot axes of the upper rod, when the contacts are in the contact position. That is, at the cone of friction ready, the position from which the storage spring becomes a motor to return the bar to the separation position.
  • the indexed position is located between the opening dead center and open armed position, so that when the change status of the auxiliary switch is detected, we are sure that the separation of the contacts has location.
  • the order on the reset line is not processed.
  • an order on the opening command line is treated specifically as described below, using the diagrams in Figure 10.
  • the motor drives the operating member from the closed position to the armed open position, but stops before reaching this position, as soon as the contact position detector detects the opening of the contacts at time t ' 2 , which indicates that the mechanism has exceeded its neutral position d 'opening.
  • the logic unit can then, without waiting for the timing time constant to elapse, reverse the direction of operation of the motor, to bring the operating member to the intermediate stop position at t ' 4 .
  • the engine stops when this position is detected.
  • the device is then in the ready to close state.
  • the detector for passing through neutral opening is replaced by a switch bar position detector.
  • the operation of the device is the same as that described in FIG. 10, the detection of the position of the bar corresponding to the separation of the contacts replacing the signal passing through the opening dead center.
  • the motor is a stepping motor controlled in angular position, if necessary with position detection by a specific sensor 299.
  • the logic unit then controls the positioning of the motor in function of the orders given on the opening command lines 286, of command of resetting 288, closing command 290 and state of detector 292 of state triggered from the device.
  • Motor position control eliminates detector of passage through the closing dead center and, where applicable, the passage detector through the opening neutral, as well as closing and end of travel limit detections arms race.
  • the invention is intended to apply both to single cut devices and to double cut-off devices.
  • the number of poles of the device can be arbitrary.
  • the motor used can be of any type accepting without alterations for a few hundreds of milliseconds locked rotor operation.
  • the end of travel limit is detected closing or opening by passing the intensity of the supply current over it of a given threshold for a time greater than a given time constant.
  • auxiliary switches identical to those used to locate the indexed neutral positions. However, this alternative to the failure to increase the number of auxiliary switches, therefore to decrease the reliability of the device.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Stopping Of Electric Motors (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Centrifugal Separators (AREA)
  • Control Of Direct Current Motors (AREA)
  • Selective Calling Equipment (AREA)
EP02354180A 2002-01-24 2002-11-20 Elektrische Schaltvorrichtung mit Motorbetätigung und sein Steuerungsverfahren Expired - Lifetime EP1331658B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0200857A FR2835093B1 (fr) 2002-01-24 2002-01-24 Appareillage electrique de coupure muni d'une commande motorisee et procede de commande d'un tel appareil
FR0200857 2002-01-24

Publications (2)

Publication Number Publication Date
EP1331658A1 true EP1331658A1 (de) 2003-07-30
EP1331658B1 EP1331658B1 (de) 2010-08-25

Family

ID=8871392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02354180A Expired - Lifetime EP1331658B1 (de) 2002-01-24 2002-11-20 Elektrische Schaltvorrichtung mit Motorbetätigung und sein Steuerungsverfahren

Country Status (9)

Country Link
US (1) US6621389B2 (de)
EP (1) EP1331658B1 (de)
JP (1) JP4212907B2 (de)
CN (1) CN1260752C (de)
AT (1) ATE479195T1 (de)
CA (1) CA2415335C (de)
DE (1) DE60237423D1 (de)
ES (1) ES2347951T3 (de)
FR (1) FR2835093B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011027120A3 (en) * 2009-09-03 2011-06-16 Eaton Industries Manufacturing Gmbh Miniature circuit breaker

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FR2895140B1 (fr) * 2005-12-20 2008-01-18 Areva T & D Sa Dispositif de commande d'un appareillage electrique
US7986203B2 (en) * 2008-02-19 2011-07-26 Siemens Industry, Inc. Multi-pole armature interlock for circuit breakers
CN102969209B (zh) * 2012-12-03 2016-02-10 杭州凯雅捷科技有限公司 一种自动重合闸传动机构
CN103400727B (zh) * 2013-08-15 2015-07-08 温州圣普电气有限公司 一种断路器侧位操控装置
JP6708850B2 (ja) * 2014-04-14 2020-06-10 林田　建一 地震時における切換スイッチ自動切断装置
US10361040B2 (en) * 2014-05-20 2019-07-23 Abb Schweiz Ag Switching device for an electrical circuit and a method for controlling such switching device
DE202014103418U1 (de) 2014-07-24 2014-10-27 Johnson Electric Germany GmbH & Co. KG Fernantrieb mit verbesserten Isolationseigenschaften zur Einschubmontage in Leistungsschaltern
DE202014103419U1 (de) 2014-07-24 2014-10-27 Johnson Electric Germany GmbH & Co. KG Fernantrieb zur Einschubmontage in Leistungsschalter
US10199196B2 (en) * 2015-04-28 2019-02-05 Seari Electric Technology Co., Ltd. Two-level latch mechanism for operation mechanism of circuit breaker
UA124231C2 (uk) * 2015-08-28 2021-08-11 Машіненфабрік Райнхаузен Гмбх Силовий перемикач для силового ступінчастого перемикача, а також основний перемикач тривалого навантаження і роз'єднувач для нього
CN105609383B (zh) * 2016-03-23 2017-10-10 德力西电气有限公司 分合闸操作控制装置和断路器
DE102017211662A1 (de) * 2017-07-07 2019-01-10 Siemens Aktiengesellschaft Eingabesystem zur Ansteuerung eines elektrischen Geräts
CN107633965B (zh) * 2017-09-11 2018-09-04 树实科技（上海）有限公司 智能开关面板
KR20210023033A (ko) * 2019-08-21 2021-03-04 엘지전자 주식회사 전력 변환 회로, 인버터 장치 및 인버터 장치의 구동 방법

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US3171920A (en) * 1962-11-08 1965-03-02 Gen Electric Motor operating mechanism for use with an electric circuit breaker
EP0802549A2 (de) * 1996-04-15 1997-10-22 Eaton Corporation Motor antrieb für elektrische Schalter

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US4990873A (en) * 1989-06-30 1991-02-05 Westinghouse Electric Corp. Reverse switching means for motor operator
US5323131A (en) * 1993-02-26 1994-06-21 General Electric Company Molded case circuit breaker motor operator
US6326870B1 (en) * 1999-08-26 2001-12-04 General Electric Company Remote operating apparatus and method for a circuit breaker handle
US6423917B2 (en) * 2000-03-17 2002-07-23 General Electric Company Self-disengaging circuit breaker motor operator
US6380829B1 (en) * 2000-11-21 2002-04-30 General Electric Company Motor operator interlock and method for circuit breakers

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US3171920A (en) * 1962-11-08 1965-03-02 Gen Electric Motor operating mechanism for use with an electric circuit breaker
EP0802549A2 (de) * 1996-04-15 1997-10-22 Eaton Corporation Motor antrieb für elektrische Schalter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011027120A3 (en) * 2009-09-03 2011-06-16 Eaton Industries Manufacturing Gmbh Miniature circuit breaker
US8766749B2 (en) 2009-09-03 2014-07-01 Eaton Industries Manufacturing Gmbh Miniature circuit breaker
EA021455B1 (ru) * 2009-09-03 2015-06-30 Итон Индастриз Мэньюфэкчуринг Гмбх Миниатюрный размыкатель цепи

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DE60237423D1 (de) 2010-10-07
CA2415335C (en) 2008-11-18
ES2347951T3 (es) 2010-11-26
ATE479195T1 (de) 2010-09-15
JP4212907B2 (ja) 2009-01-21
CA2415335A1 (en) 2003-07-24
CN1434471A (zh) 2003-08-06
FR2835093A1 (fr) 2003-07-25
EP1331658B1 (de) 2010-08-25
FR2835093B1 (fr) 2004-03-12
US6621389B2 (en) 2003-09-16
CN1260752C (zh) 2006-06-21
JP2003217425A (ja) 2003-07-31
US20030137373A1 (en) 2003-07-24

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