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Overvoltage protection device

A technology for overvoltage protection and low-voltage equipment, which is applied in the protection of overvoltage response, emergency protection circuit device for limiting overcurrent/overvoltage, emergency protection circuit device, etc., and can solve the problem of protection level improvement

Active Publication Date: 2013-04-17
PHOENIX CONTACT GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, due to large current changes, it is quite possible to induce a voltage in the lead of the fine protection element that is greater than the voltage limit of the idle protection element, so that the protection level increases

Method used

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  • Overvoltage protection device
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Examples

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Embodiment Construction

[0027] figure 1 A diagram is shown of an overvoltage protective device 1 designed as a switchgear module, which has a device base 2 and a device upper part 3 which can be plugged onto the device base 2 . The device base 2 has on its two end faces input terminals 4 and output terminals 5 which are arranged in two rows offset one above the other and are preferably designed as screw terminals or as tension spring terminals.

[0028] 2 and 3 show schematic diagrams of a circuit arrangement of an overvoltage protection device 1 , wherein a circuit arrangement of an overvoltage protection device 1 known from the prior art is shown in FIG. 2 and shown in FIG. image 3 The circuit arrangement of the overvoltage protection device 1 according to the invention is shown in . In both figures, the two-part division between the device bottom 2 and the device top 3 is indicated by dashed lines.

[0029] From Figure 2 and from image 3 As can be seen in FIG. 2 , the input and output termina...

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Abstract

The invention provides an overvoltage protection device for protecting low voltage electrical equipment. The overvoltage protection device is composed of a device bottom and at least one device upper part capable of inserting to the device bottom, wherein the device bottom possesses an input terminal and an output terminal of an electric conductor, at least two line paths respectively connecting an input terminal and an output terminal distributed for one another and contact elements in connection with the input terminal and output terminal, wherein longitudinal impedance is arranged in the line paths; the device upper part is provided with opposite contact elements corresponding with the contact elements, at least one rough protection element connected between two opposite contact elements and at least one fine protection element connected between the two opposite contact elements, wherein at least one rough protection element and at least one fine protection element can be in electric connection with the longitudinal impedance by inserting the upper part with the bottom.

Description

technical field [0001] The invention relates to an overvoltage protection device for protecting electrical low-voltage installations, the overvoltage protection device consisting of a device base and at least one device upper part which can be plugged onto the device base, wherein the device base has an input for an electrical conductor Terminals and output terminals, at least two line paths which respectively interconnect the input terminals and output terminals assigned to each other, and contact elements connected to the input terminals and output terminals, in particular formed as sockets, wherein arranged in the line paths Longitudinal resistance, wherein the upper part of the device has opposing contact elements corresponding to the contact elements, in particular configured as pins, and at least one rough protective element connected between the two opposing contact elements, and at least one connected between two other The fine protective element between the opposing c...

Claims

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Application Information

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IPC IPC(8): H02H3/20
CPCH01T4/04H01T4/06H02H3/04H02H9/041H02H9/06
Inventor T.迈耶S.普费特纳
Owner PHOENIX CONTACT GMBH & CO KG
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