EP3419041B1 - Hauptschalteranordnung für einen reststromschutzschalter - Google Patents

Hauptschalteranordnung für einen reststromschutzschalter Download PDF

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Publication number
EP3419041B1
EP3419041B1 EP17177315.3A EP17177315A EP3419041B1 EP 3419041 B1 EP3419041 B1 EP 3419041B1 EP 17177315 A EP17177315 A EP 17177315A EP 3419041 B1 EP3419041 B1 EP 3419041B1
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EP
European Patent Office
Prior art keywords
main shaft
arrangement
trip part
arrangement according
main
Prior art date
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EP17177315.3A
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English (en)
French (fr)
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EP3419041A1 (de
Inventor
Mikko Jokela
Tommi Jäntti
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Etherma Skandinavia Oy
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Etherma Skandinavia Oy
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Priority to HUE17177315A priority Critical patent/HUE045878T2/hu
Priority to EP17177315.3A priority patent/EP3419041B1/de
Publication of EP3419041A1 publication Critical patent/EP3419041A1/de
Application granted granted Critical
Publication of EP3419041B1 publication Critical patent/EP3419041B1/de
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—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
    • 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
    • H01H71/505—Latching devices between operating and release mechanism
    • 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
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly

Definitions

  • the present invention relates to residual current safety switches, more particularly to a main switch arrangement to be used in them.
  • a device provided with a residual current safety switch is a residual current safety switch that protects an electrical device connected to it and people in the proximity of it from dangerous electric shocks in a residual current situation by causing the tripping of one or more contacts.
  • a residual current safety switch operates in such a way that in a normal situation in a single-phase circuit the electric current coming from a phase conductor returns via the neutral conductor to the network. If current is leaking from an electrical conductor or from a device connected to it to outside the device, e.g. via a person who touched a live part, to true earth or to a guard wire, the inbound current and the return current are no longer of equal magnitudes. If the difference in the currents increases past a permitted value, the residual current protection disconnects the current.
  • residual current safety switches There are two types of residual current safety switches: those that are dependent on operating voltage, provided with technology based on electronic measuring and on tripping occurring electronically in a fault current situation; and residual current safety switches that are independent of operating voltage, provided with tripping technology occurring by means of a summation current transformer and a current-sensitive relay.
  • Residual current safety switches known in the art that are independent of voltage are, with regard to the main switch assembly, structurally very complex and too large in their physical dimensions for use e.g. in devices having a main switch assembly on a circuit card, and the possibility of installing also other components associated with the functioning of the residual current safety switch either onto the same circuit card or in the proximity of the main switch assembly on the circuit card.
  • WO 2013/076377 A1 discloses an example of a known main switch arrangement for a residual current safety switch.
  • the purpose of the present invention is to simplify the structure of a residual current safety switch, and to provide an entirely new type of residual current safety switch with the main switch arrangement of the residual current safety switch being constructed in a completely new manner.
  • the main switch arrangement for a residual current safety switch comprises a main shaft movable in the vertical direction and a trip part arranged essentially around the main shaft, which trip part is adapted to turn around the main shaft, an actuator and a summation current transformer connected electrically to it, which actuator is arranged essentially in connection with the trip part, at least one return spring and a contact module.
  • the main shaft, trip part, return spring and actuator are arranged in such a way that in a fault current situation a protrusion projecting from the actuator is adapted to push the trip part and to bring about a rotational motion in the trip part, and wherein the rotational motion of the trip part is further adapted to release the spring force formed by the return spring, said spring force lifting the main shaft and/or lowering the contact module, in such a way that the contact module of the main switch in connection with the main shaft displaces into an electrically non-conductive state.
  • the trip part placed around the vertical shaft of the main switch arrangement of the residual current protection can, in a fault current situation, be controlled to displace the main switch contact module disposed around the vertical shaft of the main switch arrangement of the residual current protection into its opened state when an external force produced by some measured fault situation is exerted on the protrusion of the trip part, in which case after the contact part has displaced away from the circuit card, the output connectors of the residual current protection become deenergized.
  • the trip part placed around the main shaft of the main switch arrangement of the residual current protection can be controlled to displace the main switch contact module disposed around the main shaft of the main switch arrangement of the residual current protection into its opened state when an external force is exerted on the protrusion of the trip part, without a measuring event of the fault current situation, i.e. fully independently of the voltage, e.g. via a pushbutton fitted into connection with the arrangement and a force being exerted on which pushbutton that can be conducted into the trip part.
  • the trip part placed around the main shaft of the main switch arrangement of the residual current protection returns in conjunction with tripping of the residual current protection, after automatic mechanical functioning of the actuator in a fault current situation, back to its armed state.
  • the protrusion in the trip part placed around the main shaft of the main switch arrangement of the residual current protection can be disposed to function on the outer rim of the trip part at a freely selected angle to and distance from the center part of the trip part, i.e. as viewed from the point of origin, and there can also be more than one of these protrusions on the outer rim of the trip part in question.
  • turning of the vertical shaft of the main switch arrangement of the residual current protection with a rotational motion is normally prevented but, e.g. with an additional piece being placed as an extension of the vertical shaft of the main switch arrangement, a simulation of a fault current situation and tripping of the residual current protection can be brought about by means of a rotational motion of said additional piece and an external test contact.
  • the arrangement comprise a reset part and, although turning of the vertical shaft of the main switch arrangement of the residual current protection with a rotational motion is normally prevented, by means of the reset part placed around the vertical shaft of the main switch arrangement, the main switch arrangement can be made to open by turning the main shaft and, by means of the same spring force associated with the reset part, the main shaft displaces back into its starting position.
  • all the main currents traveling via the residual current safety switch can be switched on and switched off.
  • more than two connecting strips can be connected to the contact module placed around the main shaft of the main switch arrangement of the residual current protection.
  • extension pieces of different lengths and different shapes can be installed parallel with the main shaft in the locking cavity at the top end of the vertical shaft of the main switch arrangement of the residual current protection.
  • the extension pieces installed parallel with the vertical shaft in the locking cavity at the top end of the main shaft of the main switch arrangement of the residual current protection are locked together by means of a locking piece installed around the main shaft.
  • the residual current protection arrangement can be arranged e.g. on a circuit card, allowing placement of an actuator directly next to the switch arrangement, on the same circuit card, in which case, in a measured residual current protection situation, when the residual current protection activates, the shaft projecting from the actuator directly engages the protrusion of the trip part, making the switch arrangement and main contact open.
  • the main switch arrangement of a residual current protection according to the invention can also be used, owing to its advantageous physical size, as a main switch arrangement for residual current safety switches functioning as an appliance on the front of various sockets provided with residual current protection, e.g. the sockets of kitchen light fittings and bathroom light fittings.
  • the solution of the invention relates to a main switch arrangement for a residual current safety switch, which arrangement comprises a main shaft movable in the vertical direction and a trip part arranged essentially around the main shaft, which trip part is adapted to turn around the main shaft, an actuator and a summation current transformer connected electrically to it, which actuator is arranged essentially in connection with the trip part, at least one return spring and a contact module.
  • the main shaft, trip part, return spring and actuator are arranged in such a way that in a fault current situation a protrusion projecting from the actuator is adapted to push the trip part and to bring about a rotational motion in the trip part, and wherein the rotational motion of the trip part is further adapted to release the spring force formed by the return spring, said spring force lifting the main shaft and/or lowering the contact module, in such a way that the contact module of the main switch in connection with the main shaft displaces into an electrically non-conductive state.
  • Fig. 1 presents a main switch arrangement according to one embodiment of the invention. Topmost in the embodiment of Fig. 1 are the extension piece 6 and locking piece 5 of the main shaft 1, by means of which locking piece the extension piece is arranged to remain attached to the main shaft 1. Below the locking piece 5 is a return spring 8 around the main shaft 1, and below that the frame part 4 and circuit card 11. On the bottom surface of the circuit card are contact pins 14, e.g. four contact pins.
  • Fig. 2 presents a partially sectioned side view of a main switch arrangement according to one embodiment of the invention, with all parts installed in the open OFF state, i.e. in the state in which an electrically conductive contact is not formed.
  • Fig. 2 presents, in addition to the parts referred to in Fig. 1 : more details concerning the shape of the main shaft 1 and trip part 2: in this embodiment, the main shaft 1 has two locking receptacles 17 and on the inside surface of the trip part 2 there are two locking counterpieces 18.
  • Fig. 3 presents a partially sectioned side view of a main switch arrangement according to one embodiment of the invention, with all parts installed in the closed ON state, in which an electrically conductive contact is formed between the contact pins 14 and the connection bridges 10 by means of the switch.
  • Fig. 4 presents a main switch arrangement according to one embodiment of the invention, the trip part 2 of it and an actuator 12, when the protrusion 15 of the trip part is disposed in an advantageous location in the closed ON state of the main switch, in which no fault current has been detected.
  • the protrusion 13 of the actuator is at least mainly inside the actuator.
  • Fig. 5 presents a main switch arrangement according to one embodiment of the invention, the trip part 2 of it and an actuator, when the protrusion 15 of the trip part is disposed in an advantageous location in the open OFF state of the main switch, in which a fault current has tripped the actuator. Based on detection of a fault current, the protrusion 13 of the actuator pushes out from being mainly inside the actuator and engages the protrusion 15 of the trip part, pushing the protrusion of the trip part and making the trip part 2 turn around the main shaft 1.
  • Fig. 6 presents an extension piece 6 installed in the locking cavity at the top end of the vertical shaft 1 of the main switch arrangement according to one embodiment of the invention, and a locking piece 5 locking the vertical shaft and the extension piece together.
  • the main shaft can be arranged to extend to outside various enclosure solutions for residual current protection, and also by means of the extension piece 6 the appearance of that portion of the arrangement that is externally visible can be modified. This enables e.g. the use of exterior pushbutton parts of different colors, shapes and sizes together with similar interior structures.
  • Fig. 7 presents in more detail the arrangement of the contact module of the main switch arrangement according to one embodiment of the invention.
  • the figure shows the motion limiters 16, the two connection bridges 10 comprised inside the switch package 3, the trip part 2, the lower guide 7 of the main shaft.
  • Figs. 8.1 - 8.4 present the positions of the main shaft 1 and of the trip part 2 of the main switch arrangement according to one embodiment of the invention according to the different location points of the main shaft in different situations.
  • the main switch arrangement according to the embodiment presented in Figs. 1 - 7 functions in such a way that when a thrusting force is exerted on the extension piece 6 of the vertical shaft, owing to the downward force in the direction of the vertical shaft 1, the vertical shaft 1 displaces through the frame part 4 and the switch package 3, and also through the trip part 2 in connection with it and the lower guide 7.
  • the frame part 4 has protrusions to be placed in the grooves in the main shaft 1, preventing turning of the main shaft 1.
  • the locking counterpieces 18 of the trip part 2 displace along with the motion of the main shaft 1 to on top of the locking receptacles 17 in the main shaft 1, and at the same time the wall 19 displaces into the armed position of the trip part 2, as is presented in Figs. 4 and 8.1 , simultaneously, by means of the protrusion 15 of the trip part 2, also arming the part 13 pushing out from the actuator 12 into its armed position mainly inside the actuator 12.
  • the actuator 12 activates from the effect of current coming from the summation current transformer of the residual current protection, in which case the part 13 projecting from the actuator 12 engages the protrusion 15 of the trip part 2, as is shown in Fig. 5 , resulting in turning of the trip part 2 around the main shaft 1, whereby the counterpieces 18 of the trip part displace past the locking receptacles 17, into the state described in Fig. 8.3 , allowing displacement of the main shaft 1, due to the return spring 8, back into its upper position.
  • the switch package 3 is displaced from the effect of the return spring 9 of the contact module back into its lower position bounded by the guide/motion limiters 16 of the switch package 3, and the trip part 2 in connection with the switch package 3 displaces into its armed position when the surfaces 19 guide the counterpieces 18 of the trip part 2 producing a rotational motion in the trip part 2 into the position described in Fig. 8.4 .
  • the protrusion 15 of the trip part 2 arms the actuator 12 back into the armed state, when the protrusion 15 pushes the shaft 13 that was pushed out of the actuator 12 back inside the actuator 12.
  • the contact between the contact pins 14 on the circuit card 11 and the connection bridges 10 disposed on the switch package 3 opens, when the switch arrangement remains in its open OFF state.
  • Fig. 10 presents an explosion drawing of the parts of the main switch arrangement described above.
  • the parts presented in Fig. 10 correspond to the parts presented in the earlier figures.
  • the main switch arrangement can also comprise a reset part 23, by means of which the switch arrangement can be made to trip without a residual current protection tripping situation.
  • the reset part is arranged around the main shaft and is adapted to turn the main shaft 1.
  • the locking receptacle 17 in the groove 22 situated in the main shaft 1 is adapted to detach from the locking counterpiece 18 situated in the trip part 2.
  • the reset part is further adapted to release the spring force formed by the return spring 8, said spring force lifting the main shaft, and/or the spring force formed by the return spring 9 of the contact module in such a way that the contact module of the main switch in connection with the main shaft displaces into an electrically non-conductive state.
  • the reset part can be arranged e.g. in such a way that, by means of a movement caused by an external force, a mechanical motion, e.g. a thrusting force coming from the switch 26, can be exerted, e.g. by means of a shaft, on the reset part 23, onto the protrusion 24, in which case the reset part starts to turn and at the same time produces a movement turning the main shaft 1.
  • the main switch arrangement further comprises a spring integrated into the reset part 23 or arranged in connection with it, the spring being adapted to turn the main shaft, by means of the return movement of the reset part 23, back to its normal position after the external force exerted on the reset part ceases.
  • the trip part of the main switch arrangement can be made to trigger the switch arrangement without a triggering situation of the residual current protection.
  • residual current protection and/or an electrically conductive contact can be connected mechanically on and/or off.
  • Fig. 9 presents the displacement of the trip part 2 of the main switch arrangement according to one embodiment of the invention from the armed state into its tripped state using a means independent of the fault current situation.
  • a means can be used with which a force exerted on the switch 25 is adapted to be conducted into the trip part 2.
  • a force exerted on the switch 25 is adapted to be conducted into the trip part 2.
  • the means for conducting a force effect comprises a casing tube 21 and a moving part 20 arranged inside the casing pipe and movable in the direction of the pipe.
  • the part 20 moving inside the casing tube 21 exerts a thrusting force on the protrusion 15 of the trip part 2, in which case the trip part turns around the main shaft 1 and the electrically conductive contact breaks owing to the spring force formed by the return spring 8, said spring force lifting the main shaft, and/or the spring force formed by the return spring 9 of the contact module, said spring force displacing the contact module downwards.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)

Claims (16)

  1. Hauptschalteranordnung für einen Federstromschutzschalter, dadurch gekennzeichnet, dass die Anordnung aufweist:
    - eine Hauptwelle (1), die in der vertikalen Richtung bewegbar ist, und ein Auslöseteil (2), das im Wesentlichen um die Hauptwelle herum angeordnet ist, wobei das Auslöseteil eingerichtet ist, um sich um die Hauptwelle zu drehen,
    - einen Aktuator (12) und einen elektrisch mit diesem verbundenen Summenstromwandler, wobei der Aktuator (12) im Wesentlichen in Verbindung mit dem Auslöseteil (2) angeordnet ist,
    - wenigstens eine Rückstellfeder (8, 9) und
    - ein Kontaktmodul,
    - wobei die Hauptwelle (1), das Auslöseteil (2), die Rückstellfeder (8, 9) und der Aktuator (12) in einer derartigen Weise eingerichtet sind, das in einer Fehlerstromsituation ein Vorsprung (13), der von dem Aktuator vorragt, dazu ausgelegt ist, das Auslöseteil (2) zu drücken und eine Drehbewegung in dem Auslöseteil herbeizuführen, und wobei die Drehbewegung des Auslöseteils ferner ausgelegt ist, um die durch die Rückstellfeder (8, 9) gebildete Federkraft freizugeben, wobei die Federkraft die Hauptwelle in einer derartigen Weise anhebt und/oder das Kontaktmodul in einer derartigen Weise absenkt, dass das Kontaktmodul des Hauptschalters in Verbindung mit der Hauptwelle in einen elektrisch nicht leitenden Zustand versetzt wird.
  2. Anordnung nach Anspruch 1, dadurch gekennzeichnet, dass die Hauptwelle (1) wenigstens eine Nut (22) aufweist, in der sich eine Arretieraufnahme (17) befindet, wobei ein Arretiergegenstück (18) in dem Auslöseteil (2) dazu ausgelegt ist, in dieser beim Drücken der Hauptwelle arretiert zu werden, wobei in diesem Fall die Anordnung ausgelegt ist, um in einem Zustand zu bleiben, in dem das Kontaktmodul des Hauptschalters sich in einem elektrisch leitenden Zustand befindet.
  3. Anordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Gegenstück (18) des Auslöseteils dazu ausgelegt ist, sich an der Arretieraufnahme (17) vorbei zu schieben, wenn sich das Arretierteil (2) mit einer Drehbewegung um die Hauptwelle (1) bewegt, und somit die durch die Rückstellfeder (8) gebildete Federkraft, wobei die Federkraft die Hauptwelle anhebt, und/oder die durch die Rückstellfeder (9) des Kontaktmoduls gebildete Federkraft freizugeben, wobei die Federkraft das Kontaktmodul absenkt.
  4. Anordnung nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Auslöseteil (2) einen Vorsprung (15) und ein Auslöseteil (13) aufweist und der Aktuator in einer derartigen Weise eingerichtet ist, dass, wenn der Aktuator aktiviert wird, der von dem Aktuator vorragende Vorsprung (13) dazu ausgelegt ist, mit dem Vorsprung (15) des Auslöseteils in Eingriff zu kommen.
  5. Anordnung nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Auslöseteil (2), das um die Hauptwelle (1) der Hauptschalteranordnung herum angeordnet ist, ausgelegt ist, um in Verbindung mit dem Auslösen des Fehlerstromschutzes den Aktuator (12), nachdem dieser in einer Fehlerstromsituation funktioniert hat, wieder in seinen Bereitschaftszustand zurückzubringen.
  6. Anordnung nach Anspruch 5, dadurch gekennzeichnet, dass der Vorsprung (15) des Auslöseteils eingerichtet ist, um in einer Fehlerstromsituation als ein Teil zu funktionieren, das einen reagierenden Aktuator (12) wieder bereit macht, wobei es den Vorsprung (13), der aus dem Aktuator (12) herausgekommen ist, mittels einer Drehbewegung des Auslöseteils in seinen Bereitschaftszustand wieder zurückbringt.
  7. Anordnung nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anordnung einen gesonderten Schalter (25) aufweist, der eingerichtet ist, um das Kontaktmodul des Hauptschalters des Fehlerstromschutzes mittels des Auslöseteils (2) in einer derartigen Weise in einen elektrisch nicht leitenden Zustand zu versetzen, dass die Anordnung Mittel aufweist, mit denen eine auf den Schalter (25) ausgeübte Kraft ausgelegt ist, um in das Auslöseteil (2) eingeleitet zu werden.
  8. Anordnung nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Hauptschalteranordnung auf einer oder mehreren Leiterplatten (11) angeordnet ist.
  9. Anordnung nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anordnung ferner eine Struktur, wie ein Rahmenteil (4), aufweist, die ein Drehen der Hauptwelle (1) verhindert, wobei die Struktur einen Vorsprung, der in einer Nut in der Hauptwelle (1) zu platzieren ist, oder Vorsprünge aufweist, die in Nuten in der Hauptwelle (1) zu platzieren sind.
  10. Anordnung nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anordnung wenigstens zwei Verbindungsstreifen (10) aufweist, die in Verbindung mit dem Schalterpaket (3) des Kontaktmoduls eingerichtet sind.
  11. Anordnung nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Hauptwelle (1) einen Arretierhohlraum aufweist, der an dem oberen Ende der Hauptwelle angeordnet ist.
  12. Anordnung nach Anspruch 11, dadurch gekennzeichnet, dass die Anordnung ein Verlängerungsstück (6) aufweist, das in den Arretierhohlraum eingesetzt ist.
  13. Anordnung nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Hauptschalteranordnung ferner ein Rückstellteil (23) aufweist, das im Wesentlichen um die Hauptwelle herum angeordnet ist, wobei das Rückstellteil ausgelegt ist, um die Hauptwelle (1) mittels einer auf die Hauptwelle ausgeübten externen Drehbewegung zu drehen, wobei in dem Fall, wenn sich die Hauptwelle (1) dreht, die Arretieraufnahme (17) in der Nut (22), die sich in der Hauptwelle (1) befindet, ausgelegt ist, um sich von dem Arretiergegenstück (18), das sich in dem Auslöseteil (2) befindet, zu lösen und somit die durch die Rückstellfeder (8) gebildete Federkraft, wobei die Federkraft die Hauptwelle anhebt, und/oder die durch die Rückstellfeder (9) des Kontaktmoduls gebildete Federkraft freizugeben, wobei die Federkraft das Kontaktmodul absenkt, in eine derartige Weise, dass das Kontaktmodul des Hauptschalter in Verbindung mit der Hauptwelle in einen elektrisch nicht leitenden Zustand versetzt wird.
  14. Anordnung nach Anspruch 1, dadurch gekennzeichnet, dass die Hauptschalteranordnung ferner eine Feder in dem Rückstellteil (23) oder in Verbindung mit diesem angeordnet aufweist, wobei die Feder eingerichtet ist, um die Hauptwelle in ihre normale Position zurückzudrehen, nachdem die externe Kraft, die auf die Hauptwelle (1) und/oder auf das Rückstellteil (23) ausgeübt wird, aufhört.
  15. Anordnung nach Anspruch 13 oder 14, dadurch gekennzeichnet, dass die Hauptschalteranordnung ferner Mittel, wie eine Welle, zur Übertragung einer durch eine externe Kraft verursachten Bewegung in das Rückstellteil hinein aufweist, wobei eine mechanische Bewegung, zum Beispiel eine von dem Schalter (26) stammende Druckkraft, eingerichtet ist, um auf den Vorsprung (24) des Rückstellteils (23) übertragen zu werden, wobei in diesem Fall das Rückstellteil beginnt, sich zu drehen, und gleichzeitig eine Bewegung erzeugt, die die Hauptwelle (1) dreht.
  16. Anordnung nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anordnung eine Modulrückstellfeder (9) aufweist, die ausgelegt ist, um das Kontaktmodul des Hauptschalters durch Verschiebung des Kontaktmoduls in dessen untere Position mittels der Federkraft der Rückstellfeder (9) in einen elektrisch nicht leitenden Zustand zu versetzen.
EP17177315.3A 2017-06-22 2017-06-22 Hauptschalteranordnung für einen reststromschutzschalter Active EP3419041B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
HUE17177315A HUE045878T2 (hu) 2017-06-22 2017-06-22 Fõkapcsoló elrendezés egy maradékáram biztonsági kapcsolóhoz
EP17177315.3A EP3419041B1 (de) 2017-06-22 2017-06-22 Hauptschalteranordnung für einen reststromschutzschalter

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EP17177315.3A EP3419041B1 (de) 2017-06-22 2017-06-22 Hauptschalteranordnung für einen reststromschutzschalter

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EP3419041A1 EP3419041A1 (de) 2018-12-26
EP3419041B1 true EP3419041B1 (de) 2019-07-31

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FI123345B (fi) * 2011-11-24 2013-02-28 Etherma Skandinavia Oy Vikavirtasuojakytkin

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EP3419041A1 (de) 2018-12-26

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