This part of IEC 61643 specifies standard test circuits and methods for thyristor surge
suppressor (TSS) components. These surge protective components, SPCs, are specially
formulated thyristors designed to limit overvoltages and divert surge currents by clamping and
switching actions. These SPCs are used in the construction of surge protective devices
(SPDs) and equipment used in Information & Communications Technologies (ICT) networks
with voltages up to AC 1 000 V and DC 1 500 V. This doc...
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    • Standard
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This document describes the principles for selection, installation and coordination of SPDs intended for use in Photovoltaic (PV) systems up to 1500 V DC and for the AC side of the PV system rated up to 1000 V rms 50/60 Hz.
The photovoltaic installation extends from a PV array or a set of interconnected PV-modules to include the associated cabling and protective devices and the converter up to the connection point in the distribution board or the utility supply point.
This document considers S...
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    • Technical specification
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EN-IEC 61643-331 is a test specification for metal oxide varistors (MOV), which are usedfor applications up to 1 000 V AC or 1 500 V DC in power lines, or telecommunication, orsignalling circuits. They are designed to protect apparatus or personnel, or both, from hightransient voltages.This document applies to MOVs having two electrodes and hybrid surge protectioncomponents. This document also does not apply to mountings and their effect on the MOV’scharacteristics. Characteristics given apply s...view more

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This part of IEC 61643 is applicable to Surge Protective Devices (SPDs), intended for surge
protection against indirect and direct effects of lightning or other transient overvoltages.
These devices are designed to be connected to the DC side of photovoltaic installations rated
up to 1 500 V DC.
These devices contain at least one non-linear component and are intended to limit surge
voltages and divert surge currents. Performance characteristics, safety requirements,
standard methods for te...
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IEC 61643-331:2017E) is a test specification for metal oxide varistors (MOV), which are used for applications up to 1 000 V AC or 1 500 V DC in power line, or telecommunication, or signalling circuits. They are designed to protect apparatus or personnel, or both, from high transient voltages. This specification applies to MOVs having two electrodes and hybrid overvoltage protection components. This specification also does not apply to mountings and their effect on the MOV’s characteristics. Char...view more

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This part of IEC 61643 covers the application of surge isolation transformers (SITs) that are
used in telecommunication transformer applications with signal levels up to 400 V peak to
peak. These transformers have a high rated impulse voltage with or without screen between
the input and output windings. SITs are components for surge protection and are used to
mitigate the onward propagation of common-mode voltage surges. This document describes
SITs' selection, application principles and re...
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This part of IEC 60099 provides information, guidance, and recommendations for the
selection and application of surge arresters to be used in three-phase systems with nominal
voltages above 1 kV. It applies to gapless metal-oxide surge arresters as defined in
IEC 60099-4, to surge arresters containing both series and parallel gapped structure – rated
52 kV and less as defined in IEC 60099-6 and metal-oxide surge arresters with external series
gap for overhead transmission and distribution l...
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This part of IEC 60099 covers metal-oxide surge arresters with external series gap (externally
gapped line arresters (EGLA)) that are applied on overhead transmission and distribution
lines, only to protect insulator assemblies from lightning-caused flashovers.
This document defines surge arresters to protect the insulator assembly from lightning-caused
over-voltages only. Therefore, and since metal-oxide resistors are not permanently connected
to the line, the following items are not consi...
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To add an annex for portable SPDs for household and similar use.
This annex will contain the following specific requirements to ensure the requested level of intrinsic safety for such products, i.e. product tests and safety cannot rely on any external means:
- The position of the disconnector(s) : internal, i.e. all tests shall be made and passed without the help of any external means,
- Additional specifications for tests taking into account that line and neutral terminals can be reversed,
...
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    • Addendum – translation
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      Slovenian language
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Surge isolation transformers (SITs) are used for signal transformer applications with signal
levels up to 400 V peak to peak. SITs are transformers, with or without an internal-winding
screen, with a rated impulse withstand voltage greater than the peak voltage of the expected
common-mode surge environment. SITs are applicable to components for surge protection
against indirect and direct effects of lightning or other transient overvoltage. SITs are used to
mitigate the onward propagation o...
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IEC 61643-22:2015 describes the principles for the selection, operation, location and coordination of SPDs connected to telecommunication and signalling networks with nominal system voltages up to 1 000 V r.m.s. a.c. and 1 500 V d.c. This standard also addresses SPDs that incorporate protection for signalling lines and power lines in the same enclosure (so called multiservice SPDs). This second edition cancels and replaces the first edition published in 2004. This edition constitutes a technical...view more

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    • Technical specification
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In addition to EN 61643-12, this Technical report describes the principle of erecting SPDs to be connected to 50 Hz a.c. power circuits, rated up to 1 000 V r.m.s. in conjunction with Class II equipments.
In addition to EN 61643-11, this Technical report gives specific guidance for SPDs intended to be installed in class II equipments.

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    • Technical report
      19 pages
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2014-02-07 - UAP editing allocated to fdufour@cencenelec.eu* D147/C014: NWI approved for 3 month UAP

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EN IEC 60099-4 applies to non-linear metal-oxide resistor type surge arresters without spark gaps designed to limit voltage surges on a.c. power circuits with Us above 1 kV.

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EN IEC 60099-9 applies to non-linear metal-oxide resistor type surge arresters without spark gaps designed to limit overvoltages in HVDC converter stations of two terminal, multiterminal and back-to-back type up to and including an operating voltage of 1 100 kV. The standard applies in general to porcelain-housed and polymer-housed type arresters but also to gas-insulated metal enclosed arresters (GIS-arresters) solely used as d.c. bus and d.c. line/cable arresters. Arresters for voltage source ...view more

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Is applicable to devices for surge protection of telecommunications and signalling etworks against indirect and direct effects of lightning or other transient overvoltages.

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This part of IEC 61643 is applicable to gas discharge tubes (GDT) used for overvoltage protection in telecommunications, signalling and low-voltage power distribution networks with nominal system voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c. They are defined as a gap, or several gaps with two or three metal electrodes hermetically sealed so that gas mixture and pressure are under control. They are designed to protect apparatus or personnel, or both, from high transient voltages. This sta...view more

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    • Standard
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This part of IEC 61643 is applicable to gas discharge tubes (GDT) used for overvoltage protection in telecommunications, signalling and low-voltage power distribution networks with nominal system voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c..They are defined as a gap, or several gaps with two or three metal electrodes hermetically sealed so that gas mixture and pressure are under control. They are designed to protect apparatus or personnel, or both, from high transient voltages. This sta...view more

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This European Standard defines the requirements and tests for SPDs intended to be installed on the d.c. side of photovoltaic installations to protect against induced and direct lightning effects. These devices are connected to d.c. power circuits of photovoltaic generators, rated up to 1 500 V. It takes into account that photovoltaic generators:
• behave like current generators,
• that their nominal current depends on the light intensity,
• that their short-circuit current is almost equal to ...
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This part of IEC 61643 is applicable to devices for surge protection against indirect and direct effects of lightning or other transient overvoltages. These devices are packaged to be connected to 50/60 Hz a.c. power circuits, and equipment rated up to 1000 V r.m.s. Performance characteristics, standard methods for testing and ratings are established. These devices contain at least one nonlinear component and are intended to limit surge voltages and divert surge currents.

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    • Standard – translation
      112 pages
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    • Standard
      119 pages
      French language
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    • Standard
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This Technical Specification applies to surge protection of wind turbine generators and wind power systems.
Normative references are made to generic standards for lightning protection, low-voltage  systems and high-voltage systems for machinery and installations and electromagnetic compatibility (EMC).
This Technical Specification defines requirements for selection and installation of surge protective devices for the power circuits. Some special information about particular testing are also in...
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This part of IEC 61643 describes the principles for selection, operation, location and coordination of SPDs to be connected to 50 Hz to 60 Hz a.c. and to d.c. power circuits and equipment rated up to 1 000 V r.m.s. or 1 500 V d.c.

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Is applicable to devices for surge protection of telecommunications and signalling etworks against indirect and direct effects of lightning or other transient overvoltages.

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Is applicable to devices for surge protection of telecommunications and signalling etworks against indirect and direct effects of lightning or other transient overvoltages.

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EN following parallel vote

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Gives the basic principles of artificial pollution testing of non-linear resistor type (valve type) surge arresters, together with details of pollutant compositions and methods of application and the procedures associated with each mode of pollution.

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To be implemented in all countries except CH, FI & NO

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Future EN 61643-311 (PR=22795), EN 61643-312 (PR=22796) and EN 61643-313 (PR=22797) will supersede EN 61643-311:2001

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