CN205140660U - Overvoltage protection element - Google Patents

Overvoltage protection element Download PDF

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Publication number
CN205140660U
CN205140660U CN201520510891.5U CN201520510891U CN205140660U CN 205140660 U CN205140660 U CN 205140660U CN 201520510891 U CN201520510891 U CN 201520510891U CN 205140660 U CN205140660 U CN 205140660U
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CN
China
Prior art keywords
over
voltage protection
protection element
overvoltage arrester
connection
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Active
Application number
CN201520510891.5U
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Chinese (zh)
Inventor
M.菲利普
K.特拉赫特
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.)
Phoenix Contact GmbH and Co KG
Phoenix Electric Manufacturing Co
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Phoenix Electric Manufacturing Co
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.)
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Application filed by Phoenix Electric Manufacturing Co filed Critical Phoenix Electric Manufacturing Co
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Publication of CN205140660U publication Critical patent/CN205140660U/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00Details of spark gaps
    • H01T1/14Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12Overvoltage protection resistors
    • H01C7/126Means for protecting against excessive pressure or for disconnecting in case of failure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00Overvoltage arresters using spark gaps
    • H01T4/04Housings

Abstract

The utility model relates to an overvoltage protection element that uses in low -voltage power supply network's power supply between zero line N and current potential balancing portion PE with: a housing. The structural element of restriction excessive pressure, two hookup contacts, can electrically conductive connecting element, insulating discrete element, and at least one spring element. The overvoltage arrester of filling through the using gases is as the structural element of restriction excessive pressure, and this overvoltage protection element also is suitable for and uses between zero line and current potential balancing portion. The connection through the thermal cutoff of the second end of the connecting element that can electrically conduct in overvoltage protection element's normal condition is connected and the discrete element that insulates is kept in its primary importance with the second electrode of overvoltage arrester electrically conductively. When the limiting temperauture of the regulation that exceedes the overvoltage arrester, hot link disconnection between the second electrode of the second end of the connecting element that can electrically conduct and the overvoltage arrester just discrete element of the power messenger insulation through this at least one spring element is moved in its second place.

Description

Over-voltage protection element
Technical field
The present invention relates to a kind of over-voltage protection element for being applied in the power supply (Stromversorgung) of low voltage electric network between zero line (Neutralleiter) N and electric potential balancing portion (Potentialausgleich) PE, it has: housing; Arrange the structural detail of restriction overvoltage in the housing; Two connection contacts at current path place to be protected are electrically coupled to for over-voltage protection element; The Connection Element that can conduct electricity; And the connection of thermal cutoff.
Background technology
By the known a kind of over-voltage protection element of file DE4241311C2, it has heat separation device to monitor rheostatic state.In this over-voltage protection element; first connects contact is connected with the Connection Element of conduction by fexible conductor, and the end back to fexible conductor of this Connection Element is connected with the plate (Anschlussfahne) being arranged on rheostat place by welding position.Another connects contact by fexible conductor regularly with rheostat, be exactly connected in the plate at rheostat place.The Connection Element of conduction is loaded with power by spring system, and this power causes making Connection Element move away from plate linearly when being welded to connect disconnection, thus rheostat electricity when thermal overload is disconnected.By using fexible conductor for connecting rheostat, limit the intensity of the pulse current of the maximum permission can derived by over-voltage protection element.
File DE69503743T2 discloses one and has two rheostatic over-voltage protection elements, and it has the Connection Element of two conductions, rheostat can be made separately to disconnect at the end of its useful life by Connection Element.Connection Element is configured to flexible separation tongue respectively, wherein, be separated the first end and first of tongue connect contact be permanently connected and be separated tongue the second end in the normal condition of over-voltage protection element by being fixed on rheostat place in the welding position connecting tongue place.If there is rheostatic unallowed heating, then this causes the fusing that is welded to connect.To deflect away from from its resting position in the state of burn-oning (normal condition of over-voltage protection element) and thus by pretension owing to being separated tongue, the free end bullet when being welded to connect softening being separated tongue, from rheostatic connection tongue, makes rheostat electricity disconnect thus.In order to ensure required dielectric strength and leakage current intensity and eliminate when separated part disconnects produce electric arc, need be separated tongue swing time obtain separation tongue the second end connect spacing large as far as possible between tongue with rheostatic.In addition, the cross section being separated tongue does not allow excessive, so that it has sufficient elasticity.But this causes the restriction of the pulse current of maximum permission equally.
Known over-voltage protection element is configured to " protection plug " usually, and it forms overvoltage protection device together with equipment lower component.In order to install such overvoltage protection device (it should protect each current path or the wire of low voltage electric network), in known overvoltage protection device, equipment lower component place is provided with the corresponding joint Terminal for each conductor L1, L2, L3 and zero line N and ground wire PE.In order to equipment lower component mechanically and electrically contacts simply with corresponding over-voltage protection element; in this over-voltage protection element, connect contact configuration is latch; be furnished with socket that is corresponding with latch, that be connected with joint Terminal in equipment lower component, thus can simply over-voltage protection element be inserted in equipment lower component.
The heat separation device that uses in known over-voltage protection element (its connect with welding be molten into basis) will realize multiple object.In the normal condition of over-voltage protection element, that is in the state do not disconnected, electrical connection reliable and good between the connection contact be associated and the structural detail of restriction overvoltage must be guaranteed.When exceeding certain limiting temperature, separated part must guarantee to limit the reliable disconnection of structural detail of overvoltage and lasting dielectric strength and leakage current intensity.If over-voltage protection element should have size little as far as possible so that overvoltage protection device is no more than the size for bearing track equipment defined in addition, then this causes known overvoltage protection device only can be used in low power level and middle power stage.Therefore, known over-voltage protection element mainly arranges so far and is designed for and is applied between phase conductor L1, L2, L3 and zero line N.
Summary of the invention
Therefore the object of the invention is that providing a kind of starts illustrated over-voltage protection element, avoids aforesaid drawbacks wherein, makes over-voltage protection element also can be used to be applied between zero line N and electric potential balancing portion PE.
Different from known over-voltage protection element (it has heat separation device equally), the overvoltage arrester (Ueberspannungsableiter) first according to over-voltage protection element of the present invention with gas filling replaces rheostat as the structural detail of restriction overvoltage.Also can derive thus until the larger pulse current of 100kA.
In addition have the resolution element of insulation according to over-voltage protection element of the present invention, it is movably disposed within housing place and power by least one spring element is taken in the second place by from primary importance.In over-voltage protection element, first connect contact enduringly with the first electrodes conduct of overvoltage arrester be connected.Second connects contact (equally enduringly) is connected conductively with the first end of the Connection Element that can conduct electricity.
In the normal condition of over-voltage protection element, that is when overvoltage arrester is not heated with allowing, be connected to the second electrodes conduct of the overvoltage arrester that the second end of the Connection Element that can conduct electricity is filled with gas by the connection of thermal cutoff.In the normal condition of over-voltage protection element, the resolution element of this external insulation is maintained in its primary importance by the connection (it is preferably welded to connect) realized between second end and the second electrode of overvoltage arrester of the Connection Element conducted electricity.
If overvoltage arrester is heated into the limiting temperature making to exceed regulation consumingly due to the sustained overload of over-voltage protection element; the hot link between second end and the second electrode of overvoltage arrester of the Connection Element that can conduct electricity then is caused to disconnect; wherein, by the power of this at least one spring element, the resolution element of insulation is moved in its second place.Between the second end that a section of resolution element is arranged in the Connection Element that can conduct electricity in the second place of resolution element and the second electrode of overvoltage arrester, over-voltage protection element electricity is disconnected.
The resolution element insulated in the normal condition of over-voltage protection element is maintained in its primary importance by the elastic force be welded to connect against this at least one spring element existed in the junction of thermal cutoff.If there is the unallowed heating of overvoltage arrester, then this also causes the heating that is welded to connect, and wherein, resolution element no longer can remain in primary importance against elastic force by it from certain limiting temperature.Because then make resolution element move in its second place, the connection of the conduction between the Connection Element and the second electrode of overvoltage arrester of conduction is disconnected, wherein, the resolution element by sailing the insulation in separated part into reliably eliminates the issuable electric arc when separated part disconnects.
In addition, the second end of the Connection Element of conduction also passes through resolution element reliably relative to the second electrode insulation of overvoltage arrester after separated part disconnects, thus ensure that lasting dielectric strength and leakage current intensity.Being connected electrically in this and mainly being interrupted instead of (only) flicking by Connection Element by the resolution element of the insulation of sailing in separated part between Connection Element and the second electrode of overvoltage arrester.Thus, Connection Element can have larger cross section, thus also guides larger pulse current by Connection Element.
According to a favourable design, the resolution element of insulation has opening, and the second end of the Connection Element that can conduct electricity in the normal condition of over-voltage protection element is connected by the connection of thermal cutoff and the second electrodes conduct of overvoltage arrester through this opening.Preferably, be contiguous to opening part at the section (being arranged between the second end of Connection Element and the second electrode of overvoltage arrester in its second place at resolution element) of the resolution element of this insulation and there is the separate sections that the direction of motion perpendicular to resolution element stretches and the insulated section that the direction of motion being parallel to resolution element stretches.The separate sections vertically stretched is responsible for by the reliable disconnection be welded to connect of heating at this, and the insulated section that the direction of motion being parallel to resolution element stretches guarantees dielectric strength and leakage current intensity.At this, insulated section size is set to and makes in the second place of resolution element, also ensure insulation distance enough between second end and the second electrode of overvoltage arrester of Connection Element.
According to another preferred design of the present invention, the overvoltage arrester that gas is filled is configured to dish type and is arranged so that overvoltage arrester stretches from longitudinal extension perpendicular to over-voltage protection element of the extension of the first electrode to the second electrode in the housing.Realize the over-voltage protection element with very little structure width thus.
Electrically connecting easily of two electrodes of the overvoltage arrester of filling to make gas further, be advantageously arranged to, these two electrodes are connected conductively with a connection element respectively.Second end of the Connection Element so conducted electricity in the normal condition of over-voltage protection element is welded to connect by what be used as the connection of thermal cutoff the connection element place being connected and being connected with the second electrode of overvoltage arrester.
Structure and the assembling of over-voltage protection element can be simplified thus further, i.e. the first electrode and first connection element of the overvoltage arrester of gas filling are configured to one, are that is configured to a component.Save space-efficient contact in order to what realize two electrodes of the overvoltage arrester that gas is filled at this reliably and simultaneously; first connection element has a section, and it is parallel to the longitudinal extension of over-voltage protection element and stretches perpendicular to these two longitudinal extensions connecting contact as the Connection Element of conduction.In addition; first connection element has the second section; its longitudinal extension perpendicular to over-voltage protection element and be parallel to these two and connect the longitudinal extensions of contacts and stretch, these two connect contact and to be arranged in the region of the side of over-voltage protection element and to have the width roughly corresponding to the width of over-voltage protection element.Second section of the first connection element thus can simply and connect contact soldering with first or weld in large area, thus connect first and to there is good and lasting electrical contact between contact and the first electrode of overvoltage arrester.
Be arranged to according to another particularly advantageous design, the connection element that the second electrode of the overvoltage arrester of filling with gas is connected has join domain, and the surface of itself and overvoltage arrester slightly separately.In the normal condition of over-voltage protection element; can second end of Connection Element of conduction so can be connected by welding position with the join domain within the opening being arranged in resolution element of connection element; wherein, Connection Element or does not only deflect away from slightly from its resting position.
The distance on the join domain of connection element and the surface of overvoltage arrester matches at this scantling with the resolution element of insulation, thus resolution element can be made to move across the join domain of connection element when being welded to connect disconnection.So because the Connection Element of conduction need not have special elastic characteristic but can construct to relative stiffness, the cross section of the Connection Element of conduction can be made to be matched with the intensity of the pulse current of maximum permission better.In addition, overvoltage arrester can be affected to the thermal coupling in being welded to connect by the selection of the spacing on the join domain of connection element and the surface of overvoltage arrester, thus the thermal coupling that limits can be realized by the selection of spacing.
Accompanying drawing explanation
The a large amount of possibilities that especially there is design now and improve according to over-voltage protection element of the present invention.Ensuing explanation to this by reference to the accompanying drawings with reference to preferred embodiment.Wherein:
Fig. 1 shows the embodiment according to over-voltage protection element of the present invention in normal condition,
Fig. 2 shows the over-voltage protection element according to Fig. 1 of the overvoltage arrester with electrical separation,
Fig. 3 shows the exploded view of the over-voltage protection element according to Fig. 1,
Fig. 4 shows the enlarged drawing of overvoltage arrester, and
Fig. 5 shows the over-voltage protection element according to Fig. 1 with independent outer casing.
Embodiment
Drawings show the preferred embodiment of the over-voltage protection element 1 with housing 2, wherein, in housing 2, be furnished with the structural detail of overvoltage arrester 3 as restriction overvoltage of gas filling.Be configured to protect the over-voltage protection element 1 of plug to have the connection contact 4,5 that two are configured to blade contact (Messerkontakt), it can be inserted in the socket of the correspondence of this unshowned equipment lower component to over-voltage protection element is connected to current path place to be protected.
As especially from the exploded view according to Fig. 2, over-voltage protection element 1 has the Connection Element 6 that can conduct electricity and the resolution element 7 being movably disposed within the insulation in housing 2, and it is configured to be separated slide block form.In two guide portion 8 being configured in housing 2 place, be furnished with spring element respectively, the resolution element 7 of insulation can be shifted onto the second place (Fig. 2) from primary importance (Fig. 1) by it.Thus, when resolution element 7 is not maintained in primary importance, load resolution element 7 by spring element with power, the side (according in the orientation of Fig. 1) that resolution element 7 is parallel to housing 2 by this power is shifted onto the second place from primary importance from right to left.
In addition can pick out from according to the exploded view of Fig. 1, first connects contact 4 is connected conductively by (in figure 3 rear portion) first electrode 9 of the first connection element 18 and overvoltage arrester 3.At this, connection element 18 is configured to one according to the first electrode 9 of Fig. 4 and overvoltage arrester 3.The other end back to overvoltage arrester 3 of connection element 18 connects contact 4 soldering with first or welds.
Second connection contact 5 is connected enduringly conductively with the first end 10 of the Connection Element 6 that can conduct electricity, i.e. especially soldering or welding.In addition according to Fig. 1, the second end 11 of the Connection Element 6 that can conduct electricity passes through to be connected conductively with the second electrode 13 of overvoltage arrester 3 as the welding position 12 of the connection of thermal cutoff in the normal condition of over-voltage protection element 1.12 against the power of spring element, the resolution element 7 of insulation to be remained in its primary importance by being welded to connect of existing in the normal condition of over-voltage protection element 1.
If there is the unallowed heating of overvoltage arrester 3, then this cause being welded to connect 12 softening, then this cause again the elastic force due to spring element that the resolution element 7 of insulation is moved in its (shown in figure 2) second place.In the second place of resolution element 7; resolution element 7 is between second end 11 and the second electrode 13 of overvoltage arrester 3 of the Connection Element 6 of conduction; thus over-voltage protection element 1 is electrically disconnected, because connect the disconnecting of the conduction between contact 5 and the second electrode 13 of overvoltage arrester 3 second.When separated part disconnects, issuable electric arc is reliably eliminated by the resolution element 7 of the insulation of sailing in separated part at this.
As from Fig. 1 to 3, the resolution element 7 of insulation has anterior side 14, and opening 15 is connected to side 14 place.In addition, the resolution element 7 of insulation has the separate sections 16 that the direction of motion perpendicular to resolution element 7 stretches and the insulated section 17 that the direction of motion being parallel to resolution element 7 stretches.Thus, opening 15 is limited by separate sections 16 on another side by side 14 on side.In the normal condition of over-voltage protection element 1, the second end 11 of the Connection Element 6 that can conduct electricity by the opening 15 in resolution element 7 be welded to connect 12 and be connected.
In preferred embodiment according to over-voltage protection element 1 of the present invention illustrated in the accompanying drawings, be welded to connect 12 be not be set directly at the overvoltage arrester 3 that the second end 11 of Connection Element 6 and gas are filled the second electrode 13 between but be arranged between the second end 11 of Connection Element 6 and the join domain 20 of the second connection element 19.As especially from Fig. 3 and 4, the second connection element 19 is connected conductively at the second electrode 13 of the overvoltage arrester 3 that this and gas are filled, i.e. soldering or welding.In addition, the second connection element 19 have with the surface of overvoltage arrester 3 or with electrode 13 join domain 20 separately, it is arranged in the opening 15 in the resolution element 7 of insulation in the normal condition of over-voltage protection element 1.
By the join domain 20 that the direction of the second end 11 to Connection Element 6 is stretched out, therefore second end 11 of Connection Element 6 is also connected with the second electrode 13 of overvoltage arrester 3 conductively by being welded to connect 12 with connection element 19, and Connection Element 6 need not be made to deflect away from from its resting position significantly.Therefore Connection Element 6 need not have special elastic characteristic.The cross section of the Connection Element 6 of conduction can be selected such that also can derive relatively large pulse current by Connection Element 6.However, when Connection Element 6 be configured to resolution element 6 that the flexible join domain 20 making it slightly from connection element 19 during separation process lifted or be moved to the insulation its second place press from join domain 20 time, be favourable.
When being welded to connect 12 and being softening due to the excessive temperature of overvoltage arrester 3, therefore the disconnection of the connection between second end 11 and the join domain 20 of the second connection element 19 of Connection Element 6 mainly realizes thus, namely the resolution element 7 insulated moves to Connection Element 6 and between the second end 11 and join domain 20, instead of is flicked from join domain 20 by the second end 11 of Connection Element 6.But, Connection Element 6 is configured to enough flexible at this, thus its second end 11 can be made to move away from join domain 20 as far as making not hinder resolution element 7 from its primary importance to the motion its second place, that is resolution element 7 is not sandwiched between the second end 12 of Connection Element 6 and join domain 20.
Can be picked out by Fig. 4; the overvoltage arrester 3 that gas is filled is configured to dish type, thus over-voltage protection element 1 (overvoltage arrester 3 is from longitudinal extension L perpendicular to over-voltage protection element 1 of the extension of the first electrode 9 to the second electrode 13) in the layout shown by overvoltage arrester 3 is in housing 2 has very little structure width.In addition can pick out, construct all-in-one-piece first connection element 18 with the first electrode 9 and there is the first section being parallel to electrode 9 and stretching.The second vertically bending section is connected to the first section place, thus the second section (as can be picked out by Fig. 3) can be connected contact 4 soldering with first or weld simply.
In order to the state of vision display over-voltage protection element 1, the resolution element 7 of insulation has the mark 21,22 of two one-tenth different colours be arranged side by side (such as green and red), and it is used as the state instruction of the vision of over-voltage protection element 1.To this; in the outer casing 23 (its can with housing 2 kayser) of the bell-type shown in Figure 5 of over-voltage protection element 1, be configured with inspection hole 24, its determined one-tenth makes according to the position of the resolution element 7 of insulation that only one or the other coloured mark 21,22 is visible from the outside by inspection hole 23.Visible by inspection hole 24 at first mark 21 of this primary importance Green at resolution element 7, and the second mark 22 red in the second place of the resolution element 7 of insulation is arranged under inspection hole 24.

Claims (10)

1. for being applied in the over-voltage protection element between zero line N and electric potential balancing portion PE in the power supply of low voltage electric network, it has: housing (2); Be arranged in the structural detail (3) of the restriction overvoltage in described housing (2); Two connections contact (4,5) at current path place to be protected are electrically coupled to for described over-voltage protection element (1); The Connection Element (6) that can conduct electricity; The resolution element (7) of insulation; And at least one spring element,
Wherein, use the structural detail of overvoltage arrester (3) as restriction overvoltage of gas filling,
Wherein, the described resolution element (7) of insulation is movably disposed within described housing (2) place and can takes to the second place from primary importance by the power of spring element described at least one,
Wherein, first connects contact (4) is connected conductively with first electrode (9) of described overvoltage arrester (3), wherein, second connects contact (5) is connected conductively with the first end (10) of the described Connection Element (6) that can conduct electricity
Wherein, second end (11) of the described Connection Element (6) that can conduct electricity in the normal condition of described over-voltage protection element (1) to be connected conductively with second electrode (13) of described overvoltage arrester (3) by the connection (12) of thermal cutoff and the described resolution element (7) insulated is maintained in its primary importance, and
Wherein, when exceeding the limiting temperature of regulation of described overvoltage arrester (3), the connection (12) of the described thermal cutoff between second end (11) and second electrode (13) of described overvoltage arrester (3) of the described Connection Element (6) that can conduct electricity disconnects and makes the described resolution element (7) of insulation move in its second place by the power of spring element described at least one, between the second end (11) being arranged in the described Connection Element (6) that can conduct electricity at a section of resolution element described in the described second place (7) and second electrode (13) of described overvoltage arrester (3).
2. over-voltage protection element according to claim 1; it is characterized in that; the described resolution element (7) of insulation has opening (15), and second end (11) of the described Connection Element (6) that can conduct electricity in the normal condition of described over-voltage protection element (1) is connected with second electrode (13) of described overvoltage arrester (3) via the connection (12) of described thermal cutoff conductively by described opening.
3. over-voltage protection element according to claim 2; it is characterized in that, the described resolution element (7) of insulation has the separate sections (16) that the direction of motion perpendicular to described resolution element (7) stretches and the insulated section (17) that the direction of motion being parallel to described resolution element (7) stretches.
4. over-voltage protection element according to any one of claim 1 to 3; it is characterized in that, the described overvoltage arrester (3) that gas is filled is configured to dish type and in described housing (2), is arranged so that described overvoltage arrester (3) stretches perpendicular to the longitudinal extension of described over-voltage protection element (1) from described first electrode (9) to the extension of described second electrode (13).
5. over-voltage protection element according to any one of claim 1 to 3; it is characterized in that; two electrodes (9,13) of the described overvoltage arrester (3) that gas is filled are connected conductively with connection element (18,19) respectively.
6. over-voltage protection element according to claim 5, is characterized in that, first electrode (9) of the described overvoltage arrester (3) that gas is filled and the first connection element (18) are configured to one.
7. over-voltage protection element according to claim 5, it is characterized in that, the connection element (19) that second electrode (13) of the described overvoltage arrester (3) of filling with gas is connected has join domain (20), itself and the spaced apart from surfaces of described overvoltage arrester (3) become to make second end (11) of the described Connection Element (6) that can conduct electricity in the normal condition of described over-voltage protection element (1) to be connected with described join domain (20) by the connection (12) of described thermal cutoff, and described Connection Element (6) deflects away from indistinctively from its resting position.
8. over-voltage protection element according to any one of claim 1 to 3; it is characterized in that; the described resolution element (7) of insulation has the mark (21 of the one-tenth different colours that two are arranged side by side; 22), it is used as the state instruction of the vision of described over-voltage protection element (1).
9. over-voltage protection element according to any one of claim 1 to 3, is characterized in that, is provided with the outer casing (23) of bell-type, itself and described housing (2) kayser.
10. over-voltage protection element according to claim 9; it is characterized in that; inspection hole (24) is configured with in described outer casing (23); its determined one-tenth make according to insulation described resolution element (7) position only one or another coloured label (21,22) visible from the outside by described inspection hole (24).
CN201520510891.5U 2014-07-15 2015-07-15 Overvoltage protection element Active CN205140660U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201420103262 DE202014103262U1 (en) 2014-07-15 2014-07-15 Snubber
DE202014103262.2 2014-07-15

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DE (1) DE202014103262U1 (en)
FR (1) FR3023988B3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786465A (en) * 2017-01-19 2017-05-31 深圳市海鹏信电子股份有限公司 Surge protector
CN110678941A (en) * 2017-05-19 2020-01-10 菲尼克斯电气公司 Isolating device for piezoresistor

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017139912A1 (en) * 2016-02-15 2017-08-24 Dongguan Littelfuse Electronics, Co., Ltd. Thermal metal oxide varistor circuit protection device
DE102016119202B4 (en) 2016-10-10 2019-12-05 Phoenix Contact Gmbh & Co. Kg Snubber
DE102017112429B4 (en) 2017-06-06 2019-07-18 Phoenix Contact Gmbh & Co. Kg Snubber
WO2019149385A1 (en) * 2018-01-30 2019-08-08 Abb Schweiz Ag Surge arrestor dimensioning in a dc power transmission system
DE202018006119U1 (en) 2018-06-18 2019-04-11 Dehn + Söhne Gmbh + Co. Kg Separating device for a surge arrester
DE102018114564B4 (en) 2018-06-18 2023-01-19 Dehn Se Surge arresters
DE102018116208A1 (en) 2018-07-04 2020-01-09 Phoenix Contact Gmbh & Co. Kg Surge protection device
DE102019123354B4 (en) * 2019-08-30 2021-03-25 Phoenix Contact Gmbh & Co. Kg Surge protection module and process for its manufacture

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4241311C2 (en) 1992-12-08 1995-06-08 Phoenix Contact Gmbh & Co Temperature switch with a block housing
FR2727806A1 (en) 1994-12-05 1996-06-07 Soule Sa PROTECTION DEVICE AGAINST TRANSIENT OVERVOLTAGES BASED ON VARISTORS AND THERMAL DISCONNECTORS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786465A (en) * 2017-01-19 2017-05-31 深圳市海鹏信电子股份有限公司 Surge protector
CN110678941A (en) * 2017-05-19 2020-01-10 菲尼克斯电气公司 Isolating device for piezoresistor

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Publication number Publication date
FR3023988A3 (en) 2016-01-22
FR3023988B3 (en) 2016-07-22
DE202014103262U1 (en) 2014-07-30

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