EP0451480B1 - Fault-current protective switch in module construction - Google Patents
Fault-current protective switch in module construction Download PDFInfo
- Publication number
- EP0451480B1 EP0451480B1 EP91102913A EP91102913A EP0451480B1 EP 0451480 B1 EP0451480 B1 EP 0451480B1 EP 91102913 A EP91102913 A EP 91102913A EP 91102913 A EP91102913 A EP 91102913A EP 0451480 B1 EP0451480 B1 EP 0451480B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switch
- fault
- width
- module
- module width
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 title claims abstract 3
- 230000001681 protective effect Effects 0.000 title 1
- 238000005192 partition Methods 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims 3
- 230000000171 quenching effect Effects 0.000 claims 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
Images
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
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H2011/0093—Standardization, e.g. limiting the factory stock by limiting the number of unique, i.e. different components
Definitions
- the invention relates to a residual current circuit breaker according to the preamble of claim 1.
- Such a residual current circuit breaker is already known (DE-PS 23 55 306).
- the total current transformer and parts of the test device are arranged in a movable carrier part, which is also equipped with movable contact pieces of the contact set.
- the summation current transformer and the carrier part with the contact pieces thus form a prefabricated unit which enables the residual current circuit breaker to be easily assembled.
- the design of the movable support part only permits a limited number of switch variants, since the dimensions required for the switch housing would be difficult or impossible to maintain. In any case, this would involve considerable additional effort.
- the invention is based on the object of developing a residual current circuit breaker for a switch family which, from two-pole residual current circuit breakers in the range from 16 to 40 A to four-pole residual current circuit breakers in the range from 40 to 125 A, covers the entire protection range with a back-up fuse of 100 A at rated currents up to 100 A. and a back-up fuse of 125 A at rated currents up to 125 A and a switching capacity of 10 kA.
- a four-pole residual current circuit breaker is shown as a base switch for the switch family.
- the associated switch housing consists of a lower part 1 with a base plate 2 and an upper part 3 .
- An intermediate plate 4 which is arranged parallel to the base plate 2 , leads to a division of the interior of the housing into two chambers.
- one chamber is formed by the base plate 2 and the intermediate plate 4 and partitions 5 and 6 .
- the other chamber is created in the space between the upper part 3 and the intermediate plate 4 .
- Niches for access terminals 7 and outgoing terminals 8 are provided in the housing.
- In the chamber in the lower part 1 there is an extinguishing device 9 , a contact set 10 and a switching drum 11 .
- a key switch 12 is located in the upper part 3 of the housing and can only be seen in FIG. 3. Furthermore, a summation current transformer 13 , a tripping device 14 , a test device 15 , consisting of a test button and test resistor arrangement, and a contact position display device 16 are also used in the upper part.
- FIG. 4 shows the basic switch of the switch family, namely a four-pole residual current circuit breaker with a module width of 4M for 63 A.
- the version for 40 A is a residual current circuit breaker with a module width of 3M according to FIG. 5.
- the variant for 100 A is a residual current circuit breaker with a module width of 4M and according to FIG. 7 for 125 A a residual current circuit breaker with a module width of 5M .
- Figures 5 to 7 four-pole residual current circuit breakers are taken into account.
- Two variants are shown for the two-pole residual current circuit breakers. According to FIG. 8, this is a residual current circuit breaker for 80 A with a module width of 3M and for 40 A a residual current circuit breaker with a module width of 2M , as shown in FIG. 9.
- a uniform cap dimension A is provided for all switches in the switch family.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
- Keying Circuit Devices (AREA)
- Fuses (AREA)
Abstract
Description
Die Erfindung betrifft einen Fehlerstromschutzschalter gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a residual current circuit breaker according to the preamble of claim 1.
Ein derartiger Fehlerstromschutzschalter ist bereits bekannt (DE-PS 23 55 306). Bei diesem Schalter sind der Summenstromwandler und Teile der Prüfeinrichtung in einem bewegbaren Trägerteil angeordnet, das außerdem mit beweglichen Kontaktstücken des Kontaktsatzes ausgestattet ist. Der Summenstromwandler und das Trägerteil mit den Kontaktstücken bilden somit eine vorgefertigte Einheit, die einen leichten Zusammenbau des Fehlerstromschutzschalters ermöglicht. Die Konzeption des bewegbaren Trägerteils läßt allerdings Schaltervarianten nur im geringen Umfang zu, da die erforderlichen Abmessungen für die Schaltergehäuse gar nicht oder nur schwer einzuhalten wären. In jedem Fall wäre dies mit einem erheblichen Mehraufwand verbunden.Such a residual current circuit breaker is already known (DE-PS 23 55 306). In this switch, the total current transformer and parts of the test device are arranged in a movable carrier part, which is also equipped with movable contact pieces of the contact set. The summation current transformer and the carrier part with the contact pieces thus form a prefabricated unit which enables the residual current circuit breaker to be easily assembled. The design of the movable support part, however, only permits a limited number of switch variants, since the dimensions required for the switch housing would be difficult or impossible to maintain. In any case, this would involve considerable additional effort.
Der Erfindung liegt nun die Aufgabe zugrunde, einen Fehlerstromschutzschalter für eine Schalterfamilie zu entwickeln, die von zweipoligen Fehlerstromschutzschaltern im Bereich 16 bis 40 A bis zu vierpoligen Fehlerstromschutzschaltern im Bereich 40 bis 125 A den gesamten Schutzbereich bei einer Vorsicherung von 100 A bei Nennströmen bis 100 A und einer Vorsicherung von 125 A bei Nennströmen bis 125 A und einer Schaltleistung von 10 kA abdeckt.The invention is based on the object of developing a residual current circuit breaker for a switch family which, from two-pole residual current circuit breakers in the range from 16 to 40 A to four-pole residual current circuit breakers in the range from 40 to 125 A, covers the entire protection range with a back-up fuse of 100 A at rated currents up to 100 A. and a back-up fuse of 125 A at rated currents up to 125 A and a switching capacity of 10 kA.
Diese Aufgabe wird erfindungsgemäß durch die im Kennzeichen des Anspruchs 1 angegebene Kombination von konstruktiven Merkmalen gelöst.This object is achieved according to the invention by the combination of design features specified in the characterizing part of claim 1.
Die mit der Erfindung erzielten Vorteile bestehen darin, daß die verschiedenen Schalter der Familie mit einem hohen Gleichteileanteil ausgestattet werden können und die Fügefolgen, das heißt der innere Aufbau, nahezu immer gleich bleibt.The advantages achieved by the invention are that the various switches in the family have a high proportion of common parts can be equipped and the joining sequences, i.e. the internal structure, almost always remain the same.
Vorteilhafte Weiter- und Ausbildungen des Gegenstandes nach Anspruch 1 sind in Unteransprüchen gekennzeichnet.Advantageous further developments and developments of the subject matter according to claim 1 are characterized in the subclaims.
Ein Ausführungsbeispiel ist in Zeichnungen dargestellt und wird im folgenden näher erläutert. Es zeigen
- Fig. 1
- einen Fehlerstromschutzschalter in Seitenansicht und im Schnitt
- Fig. 2
- das bestückte Unterteil dieses Fehlerstromschutzschalters bei abgenommener Zwischenplatte in Draufsicht
- Fig. 3
- diesen Fehlerstromschutzschalter bei abgenommenem Oberteil in Draufsicht
- Fig. 4 bis Fig. 9
- die vollständige Schalterfamilie in Draufsicht.
- Fig. 1
- a residual current circuit breaker in side view and in section
- Fig. 2
- the assembled lower part of this residual current circuit breaker with the intermediate plate removed in plan view
- Fig. 3
- this residual current circuit breaker with the upper part removed in plan view
- 4 to 9
- the complete switch family in top view.
In den Figuren 1 bis 3 ist ein vierpoliger Fehlerstromschutzschalter als Basisschalter für die Schalterfamilie dargestellt. Das zugehörige Schaltergehäuse besteht aus einem Unterteil 1 mit einer Bodenplatte 2 und einem Oberteil 3. Eine Zwischenplatte 4, die parallel zur Bodenplatte 2 angeordnet ist, führt zu einer Teilung des Gehäuseinneren in zwei Kammern. Im Unterteil des Gehäuses wird die eine Kammer durch die Bodenplatte 2 und die Zwischenplatte 4 und Trennwänden 5 und 6 gebildet. Die andere Kammer entsteht in dem Raum zwischen dem Oberteil 3 und der Zwischenplatte 4. Im Gehäuse sind Nischen für Zugangsklemmen 7 und Abgangsklemmen 8 vorgesehen. In der Kammer im Unterteil 1 befindet sich eine Löscheinrichtung 9, ein Kontaktsatz 10 und eine Schaltwalze 11. Ein Schaltschloß 12 befindet sich im Oberteil 3 des Gehäuses und ist lediglich der Fig. 3 zu entnehmen. Ferner sind im Oberteil noch ein Summenstromwandler 13, eine Auslöseeinrichtung 14, eine Prüfeinrichtung 15, bestehend aus einer Prüftaste und Prüfwiderstandsanordnung, sowie eine Kontaktstellungsanzeigevorrichtung 16 eingesetzt.In Figures 1 to 3, a four-pole residual current circuit breaker is shown as a base switch for the switch family. The associated switch housing consists of a lower part 1 with a base plate 2 and an upper part 3 . An
In Fig. 4 ist der Basisschalter der Schalterfamilie, nämlich ein vierpoliger Fehlerstromschutzschalter mit einer Modulbreite von 4M für 63 A dargestellt. Die Variante für 40 A ist ein Fehlerstromschutzschalter mit einer Modulbreite von 3M nach Fig. 5.4 shows the basic switch of the switch family, namely a four-pole residual current circuit breaker with a module width of 4M for 63 A. The version for 40 A is a residual current circuit breaker with a module width of 3M according to FIG. 5.
Nach Fig. 6 ist die Variante für 100 A ein Fehlerstromschutzschalter mit einer Modulbreite von 4M und nach Fig. 7 für 125 A ein Fehlerstromschutzschalter mit einer Modulbreite von 5M. In den Figuren 5 bis 7 sind jeweils vierpolige Fehlerstromschutzschalter berücksichtigt. Bei den zweipoligen Fehlerstromschutzschaltern sind zwei Varianten dargestellt. Nach Fig. 8 ist dies ein Fehlerstromschutzschalter für 80 A mit einer Modulbreite von 3M und für 40 A ein Fehlerstromschutzschalter mit einer Modulbreite von 2M, wie in Fig. 9 dargestellt.According to FIG. 6, the variant for 100 A is a residual current circuit breaker with a module width of 4M and according to FIG. 7 for 125 A a residual current circuit breaker with a module width of 5M . In Figures 5 to 7 four-pole residual current circuit breakers are taken into account. Two variants are shown for the two-pole residual current circuit breakers. According to FIG. 8, this is a residual current circuit breaker for 80 A with a module width of 3M and for 40 A a residual current circuit breaker with a module width of 2M , as shown in FIG. 9.
Für sämtliche Schalter der Schalterfamilie ist ein einheitliches Kappenmaß A vorgesehen.A uniform cap dimension A is provided for all switches in the switch family.
Claims (5)
- A fault-current circuit breaker of modular construction comprising a housing, formed from a bottom part and a top part having an end cap, for receiving a plurality of switch poles, a switching mechanism belonging to the switch poles, a tripping device, a summation current transformer and input terminals and output terminals, characterised in that the interior of the bottom part (1) is separable from the top part (3) by an intermediate plate (4) disposed parallel to a base plate (2) of the bottom part (1), that a quenching device (9) and a set of contacts (10) with a switch drum (11) are inserted for each switch pole in a chamber formed by the base plate (2) and intermediate plate (4) and lateral partitions (5, 6) for the input terminals (7) and output terminals (8), that a switch lock (12) and the quenching device (14) and the summation current transformer (13) are disposed in the top part (3), that switch variants for various rated current strengths may be equipped with the same parts such as switch lock (12), tripping device (14), quenching device (9), set of contacts (10), test device (15) and contact-position indicator (16), of which the switch lock (12) and the tripping device (14) are commonly accommodated in each switch variant in a space of the width of one module (1M), that the width of a switch variant (number of modules) is in each case determined by the number of the switch poles and by the size of the summation current transformer (13) in dependence upon the rated current strength and the number of the switch poles, and the height of a switch variant is determined in each case by the size of the input terminals (7) and of the output terminals (8) in dependence upon the rated current strength, and that the dimension (A) for the end cap is the same for all the swirch variants.
- A fault-current circuit breaker as claimed in claim 1, characterised in that the tripping device (14) fitted in the switch lock (12) enclosed by two lock plates, and that the lock plates have an outer spacing which corresponds maximally to the width of a module (1M).
- A fault-current circuit breaker as claimed in claim 1 or 2, characterised in that a four-pole switch for 63 A is constructed with a fourfold module width (4M) as a basic switch for all the switch variants.
- A fault-current circuit breaker as claimed in claim 3, characterised in that a four-pole switch variant for 40 A is constructed with a threefold module width (3M), for 100 A with a fourfold module width (4M), and for 125 A with a fivefold module width (5M).
- A fault-current circuit breaker as claimed in claim 3, characterised in that a two-pole switch variant for 80 A is constructed with a threefold module width, and for 40 A with a twofold module width (2M).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4011336 | 1990-04-07 | ||
DE4011336A DE4011336A1 (en) | 1990-04-07 | 1990-04-07 | Fault current circuit breaker in modular design |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0451480A1 EP0451480A1 (en) | 1991-10-16 |
EP0451480B1 true EP0451480B1 (en) | 1994-09-21 |
Family
ID=6403993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91102913A Expired - Lifetime EP0451480B1 (en) | 1990-04-07 | 1991-02-28 | Fault-current protective switch in module construction |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0451480B1 (en) |
JP (1) | JPH04230928A (en) |
CN (1) | CN1032037C (en) |
AT (1) | ATE112094T1 (en) |
AU (1) | AU630025B2 (en) |
DE (2) | DE4011336A1 (en) |
ES (1) | ES2060219T3 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9004895U1 (en) * | 1990-04-30 | 1990-06-28 | Felten & Guilleaume Energietechnik AG, 5000 Köln | Contact device for residual current circuit breaker |
DE29620519U1 (en) * | 1996-11-25 | 1997-02-06 | Heinrich Kopp Ag, 63796 Kahl | Contact arrangement for residual current circuit breakers |
CN102568944A (en) * | 2012-02-10 | 2012-07-11 | 上海巢安电气有限公司 | Small-sized circuit breaker |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6753179U (en) * | 1968-09-28 | 1969-04-17 | Siemens Ag | FAULT CIRCUIT BREAKER |
DE2355306C2 (en) * | 1973-11-06 | 1974-12-05 | Felten & Guilleaume Schaltanlagen Gmbh, 4150 Krefeld | Residual current circuit breaker |
AT339991B (en) * | 1974-02-08 | 1977-11-25 | Schrack Elektrizitaets Ag E | FAULT CURRENT OR FAULT VOLTAGE CIRCUIT BREAKER OR DGL. |
DE2440048C3 (en) * | 1974-08-21 | 1979-09-06 | Condor-Werk Gebr. Frede Kg, Elektro- Und Maschinenfabrik, 4415 Westkirchen | Residual current circuit breaker |
FR2604294B1 (en) * | 1986-09-23 | 1994-05-20 | Merlin Et Gerin | MULTIPOLAR DIFFERENTIAL CIRCUIT BREAKER WITH MODULAR ASSEMBLY |
-
1990
- 1990-04-07 DE DE4011336A patent/DE4011336A1/en not_active Withdrawn
-
1991
- 1991-02-28 AT AT91102913T patent/ATE112094T1/en not_active IP Right Cessation
- 1991-02-28 EP EP91102913A patent/EP0451480B1/en not_active Expired - Lifetime
- 1991-02-28 DE DE59102990T patent/DE59102990D1/en not_active Expired - Fee Related
- 1991-02-28 ES ES91102913T patent/ES2060219T3/en not_active Expired - Lifetime
- 1991-03-28 AU AU73982/91A patent/AU630025B2/en not_active Ceased
- 1991-04-05 JP JP3072755A patent/JPH04230928A/en active Pending
- 1991-04-07 CN CN91102482A patent/CN1032037C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU7398291A (en) | 1991-12-12 |
EP0451480A1 (en) | 1991-10-16 |
CN1032037C (en) | 1996-06-12 |
CN1056185A (en) | 1991-11-13 |
JPH04230928A (en) | 1992-08-19 |
DE4011336A1 (en) | 1991-10-10 |
AU630025B2 (en) | 1992-10-15 |
DE59102990D1 (en) | 1994-10-27 |
ATE112094T1 (en) | 1994-10-15 |
ES2060219T3 (en) | 1994-11-16 |
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