CN101617380B - Switching apparatus with rotary handle - Google Patents
Switching apparatus with rotary handle Download PDFInfo
- Publication number
- CN101617380B CN101617380B CN200780045325.XA CN200780045325A CN101617380B CN 101617380 B CN101617380 B CN 101617380B CN 200780045325 A CN200780045325 A CN 200780045325A CN 101617380 B CN101617380 B CN 101617380B
- Authority
- CN
- China
- Prior art keywords
- signal
- knob
- lever
- electro
- circuit breaker
- 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.)
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Classifications
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- 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
- H01H71/04—Means for indicating condition of the switching device
-
- 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
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
-
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/40—Combined electrothermal and electromagnetic 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
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel
Abstract
The invention describes a switching apparatus (30) with a rotary handle (40) for actuating a switching mechanism (15) of a service switching device with a housing (20) with at least one upper housing wall (23), comprising an electromagnetic release (13) with an armature and a thermal release (113), wherein, in the event of the occurrence of a specific short-circuit current, the electromagnetic release (13) directly hits a contact point (10) via the armature and keeps it permanently open via the switching mechanism (15) and, in the event of the occurrence of a specific overcurrent, the thermal release (113) keeps the contact point permanently open via the switching mechanism (15), and wherein the rotary handle (40), corresponding to the switching position of the switching mechanism (15), can assume a switch-on position and a switch-off position and, on tripping of the electromagnetic (13) or thermal (113) release, can assume a tripping position which is situated between the switch-on position and the switch-off position. The apparatus is characterized by the fact that the switching device housing (20) has a display window (24) and the switching apparatus (30) comprises a signalling lever (31), which is acted upon by a signalling spring (35) towards a signalling position, with a display plate (36), which is visible in the viewing range of the display window (24) when the signalling lever (31) is moved into the signalling position, and the fact that the force of the signalling spring (35) acting on the signalling lever (31) in the direction of the signalling position is blocked and is only released on tripping of the electromagnetic release (13), with the result that the tripping of the electromagnetic release (13) is indicated by the tripping position of the rotary handle (40) and by the display plate (36) visible in the viewing window (24).
Description
Technical field
The present invention relates to a kind of switching device; This switching device has knob; This knob is used to handle the switching mechanism of the wiring switchgear with the housing that has at least one upper housing wall; The switchgear that wherein connects up comprises electro-magnetic circuit breaker and the thermal cut-out that has armature; And wherein when specific short circuit current took place, electro-magnetic circuit breaker directly clashed into the contact through armature and continues to keep breaking off through switching mechanism, and wherein when specific overcurrent takes place; Thermal cut-out also keeps break contact through switching mechanism constantly, and wherein knob can forward on-position and off-position corresponding to the on off state of switching mechanism to and when electro-magnetic circuit breaker or thermal cut-out open circuit, can forward the off position between on-position and off-position to.
Background technology
The electric wiring switchgear also has a kind of contact making device of a fixed contact therefor device and a moveable contact device, circuit breaker temperature-sensitive and/or electromagnetism and switching mechanism of having, and this switching mechanism works together with one or more circuit breakers on the one hand and works together with contact arrangement movably on the other hand.
Under open circuit conditions; Bolt lock mechanism is through the circuit breaker release; And usually through lever system, for example curved bar system realizes that the contact breaks off, this curved bar system with being connected of other levers and contact pin in be transferred on the contact motion of switching mechanism and this contact keeps disconnection.
Lever system can be through knob the rotation campaign and be set to one and cross the dead point state.Knob is arranged in its on-position subsequently.Motion through this lever system makes force storage device biased, and this lever system is supported through bolt lock mechanism usually.Bolt lock mechanism affacts on the hop and therefrom and affacts on the contact making device.When connecting, this contact making device is closed and when closing, be disconnected through switching mechanism.
Make bolt lock mechanism be unlocked through opening circuit, the support of breech lock is discharged by external force during this period, thereby lever system can together interrupt.Switching mechanism when lever system together interrupts based on the mode effect of spring force to break off.
When knob reset in the original position (off-position), bolt lock mechanism was activated again, thereby switching mechanism can be switched on again.
Switching mechanism can not opened circuit when knob remains on the on-position influences.When welding in the contact, knob can not arrive on the off-position and break off (in fact not having the contact welding) therefrom for operating personnel demonstrate a kind of contact.
In known wiring switchgear (for example shown in the DE 10139917A1), knob automatically resets to when opening circuit in the off-position, and spring is released (seeing DE 20214578U1) with the directive effect of off-position to the power on the knob during this period.The state of operating personnel through knob is from visually finding on off state.
Be known that when occurring opening circuit and bolt lock mechanism is unlocked therefrom, in this equipment, show operating personnel, so that this state can be distinguished with artificial closed condition through the transition state of knob between on-position and off-position.At this; Knob occupies off position and does not rely on; Open circuit and whether be based on short circuit and take place or based on overcurrent; Whether whether be that a kind of electromagnetism opens circuit or thermal trip, perhaps opening circuit is auxiliary switch (for example a kind of under-voltage circuit breaker or a kind of operating current circuit breaker) and mandatory the causing that is installed on the equipment through a kind of.When electric current about 1.2 times during to rated current, when (for example half an hour), circuit breaker will be realized running to length in known manner greater than Preset Time.When electric current apparently higher than rated current, just 10 times to 20 times the time, because the short circuit current of this strong increase must cut off immediately, electro-magnetic circuit breaker is realized running in known manner based on short circuit current.
Because deal with different reasons for overcurrent and short circuit current, conceivable arriving, operating personnel also will identify from the outside, open circuit whether to be based on short circuit current or overcurrent.
Summary of the invention
Therefore, the objective of the invention is to, develop the switching device with knob so further, this knob is used for master cock mechanism, promptly when occurring opening circuit, can identify from the switchgear outside, and whether open circuit is based on short circuit current or overcurrent.
This purpose realizes through a kind of switching device according to the present invention; This switching device has knob; This knob is used to handle the switching mechanism of the wiring switchgear with the housing that has at least one upper housing wall; The switchgear that wherein connects up comprises electro-magnetic circuit breaker and the thermal cut-out that has armature; And wherein when specific short circuit current takes place; Electro-magnetic circuit breaker directly clashes into the contact through armature and continues to keep breaking off through switching mechanism; And wherein when specific overcurrent took place, thermal cut-out also kept break contact through switching mechanism constantly, and wherein knob can forward on-position and off-position corresponding to the on off state of switching mechanism to and when electro-magnetic circuit breaker or thermal cut-out open circuit, can forward the off position between on-position and off-position to; It is characterized in that; The switchgear housing also comprises display window, and switching device comprises one through the signal lever of signal spring towards the effect of signal condition direction, and this signal lever has a display panel of when signal lever moves to signal condition, in the viewing area of display window, seeing; And the power that affacts the signal spring on the signal lever on the direction with signal condition is locked and only when electro-magnetic circuit breaker opens circuit, just is released, thus the off state of electro-magnetic circuit breaker through knob off position and show through the display panel of in visual window, seeing.
At thermal trip or under through under-voltage or situation that the operating current circuit breaker opens circuit, being locked accordingly to the power on the signal lever of signal spring with the signal condition directive effect, thus display panel can not be seen in visual windows.Yet knob might be also with moving in its off position when thermal trip.Therefore; In switching device according to the present invention, also can discern from the switchgear outside, whether whether occur opening circuit (because knob is arranged in its off position) and this reason that opens circuit are whether short circuit (can see display panel in visual windows) or this reason that opens circuit are overcurrent (can not see display panel in visual windows).
According to particularly advantageous embodiment of the present invention, the realizing through the fixed strip of pinioning signal lever in its fixed position of locking signal spring with the power of signal condition directive effect to the signal lever.At this, the armature of electro-magnetic circuit breaker advantageously forms effective the connection with fixed strip, thus fixed strip release signal spring power on signal lever when electro-magnetic circuit breaker opens circuit.Through only extra another assembly of needs of this embodiment, thereby simplified realization and assembling according to switching device of the present invention.
Further advantageously, according to an embodiment, after signal lever forwarded in the signal condition, fixed strip prevented that through the projection on the signal lever this signal lever from getting back in the fixed position.Realize that therefrom promptly short circuit current opens circuit through the lasting during this period demonstration of display panel, closes once more through manual operation knob until switching mechanism.
In another advantageous embodiment, knob takes signal lever to its closed condition through bolt in forwarding its off-position to the time, and in this closed condition, fixed strip is got back in its fixed position according to the power of returning spring.Therefore, when switching mechanism cuts out, make display panel from visual windows, leave once more, show and get back to normal condition again through knob.Therefore this position also can be expressed as back seated position.
Description of drawings
The present invention and other favourable designs of the present invention and improvement project will be described in detail and explain according to a plurality of accompanying drawings that embodiment is shown.Wherein:
Fig. 1 a-c shows the wiring switchgear, its have on-position (1a), according to the off position (1b) of thermal trip and according to the off position (1c) of short interruption according to switching device of the present invention,
Fig. 2 a-c show on-position (1a), according to the off position (1b) of short interruption and return seated position (1c) according to switching device of the present invention,
Fig. 3 shows the wiring switchgear that has according to switching device of the present invention, and
Fig. 4 shows in the wiring switchgear according to the co-operation of switching device of the present invention and switching mechanism and temperature-sensitive and electro-magnetic circuit breaker.
Embodiment
Parts or member identical or same effect are represented with identical reference identification respectively in Fig. 1-4.
At first with reference to Fig. 4.It shows according to wiring switchgear 1 of the present invention, and it has: housing 20, the upper housing wall 23 that from this housing, shows two sidewalls 21,22 example and have display window 24; And the electrode current path 2 between input wires folder 3 and the output connection folder 4.In the diagram according to Fig. 4, switchgear is arranged in on-state.The electrode current path for example can be the motor protecting switch of three utmost points, and its two other electrode current path is correspondingly installed.
Electrode current path 2 comprises that 5,6 and two of two fixing contacts are arranged on and movably touches on the bridge 7 movably contact 8,9, forms the contact 10 with double-contact outage through these contacts.Touching bridge 7 acts on closing direction (square to arrow S) through contact stage clip 11.Through be engaged on touch bridge 7 with respect to the trigger 12 on the side of contact stage clip 11, this touches bridge and can act on breaking off direction (square to arrow O).
Electrode current path 2 also comprises thermal cut-out 113 and the electro-magnetic circuit breaker 13 with armature, will touch bridge 7 based on electrodynamic recoil through trigger when this armature is short-circuited electric current in electrode current path 2 and break off bump on the direction (with position 14 expressions).Simultaneously; The armature of electro-magnetic circuit breaker 13 also affacts on the switching mechanism 15 and its lock-out state of release (with position 16 expressions), thereby the switching mechanism in released state 15 acts on trigger 12 with the disconnection direction of touching bridge 7 through actuating rod 17 (with position 18 expressions) constantly.
Thermal cut-out 13 when overcurrent take place in switching mechanism 15 also its lock-out state of release and therefrom contact 10 also keeps breaking off (representing) with position 14, be that known the present invention repeats no more on principle.
In mechanical system, switching mechanism 15 can for example be the curved bar system with two-stage locking with actuating rod 15.Actuating rod 17 is designed to double armed lever; The first is by the lever arm 171 of switching mechanism 15 effect, and it two is and trigger 12 coefficient lever arms 172 that they form an obtuse angle each other; And in the rotating shaft 173 of fixed-site, be provided with rotationally, actuating rod 17 plays the effect of break-in bar thus.
Below upper housing wall 23, be equipped with according to switching device 30 of the present invention.Its core component is a signal lever 31, and this signal lever comprises the basic beam 32 of longitudinal extension, closes arm 34 demonstration beam 33 being installed on the one end thereof approximately the T type and on its other end, being equipped with.Signal lever 31 is parallel to upper housing wall 23 with longitudinal movement with its longitudinal extension direction.
Be supported on the fixing point of enclosure interior signal spring 35 through show beam 33 with signal lever 31 with directive effect (representing) with the effect arrow P towards display window 24.
Show beam 33 in the face of with the narrow side of upper shell 23 on, this demonstrations joist support connects display panel 36, this display panel is through obvious visual signal colour, but preferably is not only that redness realizes.The narrow side that shows beam 33 also can colored red replace single display panel.Another variant is, all signal leveves 31 are processed by the colored materials of a kind of (for example red), just a kind of plastic injection piece of redness for example.
The made signal lever 31 of signal spring 35 locks through fixed strip 37 towards the power of the direction effect of display window 24, and this fixed strip stops signal lever 31 and leads to display window 24 with its route on the long side surface that shows beam 33.
Between display window 24 and housing wall 21, switching mechanism wall 25 has been shown also, it limits switching mechanism 15.
Outside upper housing wall 23, be provided with knob 40, it is inserted in the upper housing wall 23 through the bolt in pilot hole 26 41.Bolt 41 has such size, and promptly it contacts with the arm formation of closing of signal lever 31.
Knob 40 is accepted shank section 41 longitudinally, on this section, can find out the position of knob 40.Be in and illustrate reason clearly, knob 40 illustrates with slide block in the diagram according to Fig. 2 a-c and 4.Yet, be a kind of simplification functional description for the technical staff in knob, it moves through slide block and its side, and passes out the rotation switching effect of knob through signal lever 31.
On position 42, express the co-operation of bolt lock mechanism on function of knob 40 and switching mechanism 15 and switching mechanism 15.For the correct design of this combination, the technical staff is known multiple different solution on principle.Based on the co-operation on the known function of knob 40 and the bolt lock mechanism of switching mechanism; Knob 40 will be transferred to on-position, off position and off-position according to the on off state of switching mechanism 15, and these position operation personnel can find out through the various rotation status of observing shank section 41.
Another position 43 is expressed the acting in conjunction on the function of electro-magnetic circuit breaker 13 and fixed strip 37.Fixed strip 37 can for example be installed on the magnet bar (not shown at this), and this magnet bar rotates through its armature when electro-magnetic circuit breaker 13 opens circuit.
Referring now to Fig. 2 a, 2b and 2c.Fig. 2 a shows separately according to the switching device in the on-position of Fig. 4 30.
Fig. 2 b shows the switching device in off state 30 after electro-magnetic circuit breaker opens circuit.Fixed strip 37 (this fixed strip is arranged on the magnet bar) under the effect of armature together with the magnet bar rotates.Therefore, this fixed strip has discharged the motion of signal lever 31, thereby this signal lever can be pushed towards display window left through the power of signal spring.The display panel 36 of colouring can go out the outside through display window 24 to be seen and demonstrates, and electromagnetism promptly occurred and has opened circuit.
Simultaneously, under the effect of armature, make the power effect of the returning spring that knob 40 acts on its off-position direction be released, thereby knob will rotate with the direction of its off-position.Through one with bolt lock mechanism with coefficient pin projection 46 (see figure 3)s of rational method, knob fixedly remains in its off position (sees Fig. 1 c).In off position, knob counterclockwise rotates for about 30 ° with respect to on-position, and off position can be seen from the outside through the rotation of shank section 42.
Pin projection 46 and the such acting in conjunction of bolt lock mechanism, promptly this bolt lock mechanism is outwards pushed on upper housing wall 23 when temperature-sensitive and/or electromagnetism open circuit.Knob has explanation with the acting in conjunction of pin projection and bolt lock mechanism in patent application Mp.Nr06/673.Fig. 3 also shows and is used for fixing and the bolt 45 of guide knobs.Fig. 3 shows signal lever 31 simultaneously, and this signal lever is processed through one of injection moulding by a kind of painted plastic material and is being arranged on movably on the broad side surface of switchgear housing on the direction that approximately is tangential on knob.
When being limited to, electrode current path under open circuit conditions opens circuit and when the armature of magnetic circuit breaker came off once more after interrupting, then once more with the direction effect of its fixed position, this fixed position was included in the on-state fixed strip 37 through the restoring force of spring.Through the projection 44 on the demonstration beam 33 of signal lever 31, this fixed strip is locked in this answer position, thereby signal lever 31 is retained in its signal condition.
When manually returning from off position (according to Fig. 2 b), puts the off-position (Fig. 2 c) by knob 40; Then this knob makes knob forward its closed condition to through closing contacting of arm on projection 41 and the signal lever 34, that is to say that this knob is with in contrast to the direction pulling signal lever 31 of switching mechanism wall and make display panel 36 from the viewing area of display window 24, shift out again therefrom.At this, signal lever outwards moves a segment distance on its on-state, thereby for the motion of fixed strip, freely enter into its fixed position once more through the effect of returning spring, and itself moves in the fixed position also.
Simultaneously also consider the acting in conjunction of bolt lock mechanism and knob 40, to such an extent as to the projection 46 of promptly pinning is pulled back on the height of upper housing wall 23 and knob 40 is not locked through the manual connection once more of operating personnel.When knob 40 entered into its on-position once more, then signal spring 35 was pushed signal lever 31 towards the direction of its signal condition, and wherein this signal lever (is seen Fig. 2 a) through keeping spring 37 to remain in its on-state.
Fig. 1 a-1c for example shows the distolateral on-position of being seen by operating personnel of slave unit when thermal trip (Fig. 1 b) and electromagnetism open circuit (Fig. 1 c), and (Fig. 1 a) and off position.When thermal trip, knob 40 also forwards its off position to and keeps through pin projection 46 is fixing there, yet in display window 24, sees the display panel that does not have color to manifest.Because when thermal trip, the armature of electro-magnetic circuit breaker does not activate and fixed strip 37 still remains in its fixed position.
But but the implementation of all technical staff disclosed description according to the present invention and further the implementation of amplification all should forgive among the present invention.
Reference identification
P effect arrow
1 wiring switchgear
2 electrode current paths
3 input wires folder
4 output connections folder
5 fixing contacts
6 fixing contacts
7 contacts movably
8 contacts movably
9 contacts movably
10 contacts
11 contact springs
12 triggers
13 electro-magnetic circuit breakers
14 positions
15 switching mechanisms
16 positions
17 actuating rods
18 positions
20 housings
21 sidewalls
22 sidewalls
23 upper housing wall
24 display windows
25 switching mechanism walls
26 pilot holes
27 binding clips
30 switching devices
31 signal leveves
32 Ji Liang
33 show beam
34 close arm
35 signal windows
36 display panels
37 fixed strips
40 knobs
41 shank sections
42 positions
43 positions
44 projections
45 rotate bolt
46 pin projections
113 thermal cut-outs
114 positions
171 first lever arms
172 second lever arms
173 rotating shafts
Claims (6)
1. a switching device (30); It has knob (40); Said knob is used for handling the switching mechanism (15) of the wiring switchgear with the housing (20) that has at least one upper housing wall (23); Wherein said wiring switchgear comprises electro-magnetic circuit breaker (13) and the thermal cut-out (113) that has armature; And wherein when specific short circuit current takes place; Said electro-magnetic circuit breaker (13) directly clashes into contact (10) through armature and continues to keep breaking off through said switching mechanism (15); And wherein when specific overcurrent takes place; Said thermal cut-out (113) keeps break contact constantly through said switching mechanism (15); And wherein said knob (40) can forward on-position and off-position corresponding to the on off state of said switching mechanism (15) to and can forward the off position between on-position and off-position when opening circuit at said electro-magnetic circuit breaker (13) or thermal cut-out (113), it is characterized in that said switchgear housing (20) also comprises display window (24); And said switching device (30) comprises one through the signal lever (31) of signal spring (35) towards the effect of signal condition direction; Said signal lever has a display panel (36) of in the viewing area of display window (24), seeing when moving to signal condition at said signal lever (31), and the power that affacts the said signal spring (35) on the said signal lever (31) on the direction with signal condition is locked and only just is released when opening circuit at said electro-magnetic circuit breaker (13), thus the off state of said electro-magnetic circuit breaker (13) through said knob (40) off position and show through the display panel of in said display window (24), seeing (36).
2. switching device according to claim 1 (30) is characterized in that, locks realizing through the fixed strip (37) of pinioning said signal lever (31) in its fixed position to the power on the said signal lever (31) with the signal condition directive effect of said signal spring (35).
3. switching device according to claim 2 (30); It is characterized in that; The armature of said electro-magnetic circuit breaker (13) forms with said fixed strip (37) and effectively is connected, thereby said fixed strip (37) discharges the power of said signal spring (35) on said signal lever (31) at said electro-magnetic circuit breaker (13) when opening circuit.
4. switching device according to claim 3 (30) is characterized in that, after said signal lever (31) forwarded in the signal condition, said fixed strip (37) prevented that through the projection (44) on the said signal lever (31) said signal lever from getting back in the fixed position.
5. switching device according to claim 4 (30); It is characterized in that; Said knob (40) takes said signal lever (31) to its closed condition through bolt (41) in forwarding its off-position to the time; In this closed condition, said fixed strip (37) is got back in its fixed position according to the power of returning spring.
6. a wiring switchgear (1) has according to each described switching device (30) among the claim 1-5.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006057648A DE102006057648A1 (en) | 2006-12-07 | 2006-12-07 | Switching device with rotary handle |
| DE102006057648.9 | 2006-12-07 | ||
| PCT/EP2007/010517 WO2008067987A1 (en) | 2006-12-07 | 2007-12-04 | Switching apparatus with rotary handle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101617380A CN101617380A (en) | 2009-12-30 |
| CN101617380B true CN101617380B (en) | 2012-12-05 |
Family
ID=39052433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780045325.XA Active CN101617380B (en) | 2006-12-07 | 2007-12-04 | Switching apparatus with rotary handle |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2097917B1 (en) |
| CN (1) | CN101617380B (en) |
| AT (1) | ATE480001T1 (en) |
| DE (2) | DE102006057648A1 (en) |
| WO (1) | WO2008067987A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010005345B4 (en) | 2010-01-21 | 2022-04-21 | Abb Schweiz Ag | Electrical switching device in modular design |
| DE102010022596A1 (en) * | 2010-05-31 | 2011-12-01 | Siemens Aktiengesellschaft | Switch, in particular circuit breaker for low voltage |
| DE102012201854A1 (en) * | 2012-02-08 | 2013-08-08 | Siemens Aktiengesellschaft | Emergency release for an electrical switching device and electrical switching device |
| DE202015100926U1 (en) | 2015-02-26 | 2015-03-10 | Abb Technology Ag | Electrical switching device in modular design |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2671907A1 (en) * | 1991-01-17 | 1992-07-24 | Telemecanique | CIRCUIT BREAKER WITH VARIABLE MANUAL CONTROL. |
| US5296664A (en) * | 1992-11-16 | 1994-03-22 | Westinghouse Electric Corp. | Circuit breaker with positive off protection |
| CN2472341Y (en) * | 2001-03-26 | 2002-01-16 | 上海电器科学研究所 | Integrated controlling and protecting switch device |
| EP1274109A1 (en) * | 2001-07-06 | 2003-01-08 | Schneider Electric Industries SAS | Circuit breaker and it's opperating mechanism |
-
2006
- 2006-12-07 DE DE102006057648A patent/DE102006057648A1/en not_active Withdrawn
-
2007
- 2007-12-04 CN CN200780045325.XA patent/CN101617380B/en active Active
- 2007-12-04 DE DE502007004961T patent/DE502007004961D1/en active Active
- 2007-12-04 WO PCT/EP2007/010517 patent/WO2008067987A1/en active Application Filing
- 2007-12-04 EP EP07856358A patent/EP2097917B1/en active Active
- 2007-12-04 AT AT07856358T patent/ATE480001T1/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2671907A1 (en) * | 1991-01-17 | 1992-07-24 | Telemecanique | CIRCUIT BREAKER WITH VARIABLE MANUAL CONTROL. |
| US5296664A (en) * | 1992-11-16 | 1994-03-22 | Westinghouse Electric Corp. | Circuit breaker with positive off protection |
| CN2472341Y (en) * | 2001-03-26 | 2002-01-16 | 上海电器科学研究所 | Integrated controlling and protecting switch device |
| EP1274109A1 (en) * | 2001-07-06 | 2003-01-08 | Schneider Electric Industries SAS | Circuit breaker and it's opperating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102006057648A1 (en) | 2008-06-12 |
| ATE480001T1 (en) | 2010-09-15 |
| EP2097917B1 (en) | 2010-09-01 |
| WO2008067987A1 (en) | 2008-06-12 |
| DE502007004961D1 (en) | 2010-10-14 |
| CN101617380A (en) | 2009-12-30 |
| EP2097917A1 (en) | 2009-09-09 |
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