IEC 61800-5-3:2021, which is a product standard, specifies requirements and makes recommendations for the design and development, integration and validation of safety-related encoder (Encoder(SR)) in terms of their functional safety considerations, electrical safety and environmental conditions. It applies to Encoder(SR), being sensors as part of a PDS(SR). This document can also be referred to and used for Encoder(SR) in any other safety-related application, for example safety-related position ...view more

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    • Standard
      215 pages
      English and French language

This part of IEC 62271 is applicable to three-pole alternating current switches for rated
voltages higher than 52 kV, having making and breaking current ratings, for indoor and
outdoor installations, and for rated frequencies up to and including 60 Hz.
This document is also applicable to the operating devices of these switches and to their
auxiliary equipment.
NOTE 1 Switches for gas insulated switchgear are covered by this document.
NOTE 2 Switches having a disconnecting function and call...
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    • Standard
      55 pages
      English language
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IEC 62271-104:2020 is applicable to three-pole alternating current switches for rated voltages higher than 52 kV, having making and breaking current ratings, for indoor and outdoor installations, and for rated frequencies up to and including 60 Hz.
This third edition replaces and cancels the second edition published in 2015. It constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
- new numbering, following IE...
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    • Standard
      108 pages
      English and French language

IEC 61000-4-36:2020 is available as IEC 61000-4-36:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61000-4-36:2020 provides methods to determine test levels for the assessment of the immunity of equipment and systems to intentional electromagnetic interference (IEMI) sources. It introduces the general IEMI problem, IEMI source parameters, derivation of test limits and summarises prac...
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    • Standard
      108 pages
      English language

IEC 62271-102:2018 applies to alternating current disconnectors and earthing switches, designed for indoor and outdoor installations for nominal voltages above 1 000 V and for service frequencies up to and including 60 Hz. This second edition cancels and replaces the first edition published in 2001, Amendment 1:2011 and Amendment 2:2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:  new numb...view more

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    • Standard
      111 pages
      English language
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IEC 62271-102:2018 applies to alternating current disconnectors and earthing switches, designed for indoor and outdoor installations for nominal voltages above 1 000 V and for service frequencies up to and including 60 Hz.
This second edition cancels and replaces the first edition published in 2001, Amendment 1:2011 and Amendment 2:2013. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:  
new n...
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    • Standard
      222 pages
      English and French language

IEC 62271-1:2017 applies to AC switchgear and controlgear designed for indoor and/or outdoor installation and for operation at service frequencies up to and including 60 Hz and having rated voltages above 1 000 V. This document applies to all high-voltage switchgear and controlgear except as otherwise specified in the relevant IEC standards for the particular type of switchgear and controlgear. This second edition cancels and replaces the first edition published in 2007 and Amendment 1:2011. Thi...view more

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    • Standard
      130 pages
      English language
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    • Standard
      141 pages
      French language
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    • Standard – translation
      134 pages
      Slovenian language
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      1 day

IEC 62271-1:2017 applies to AC switchgear and controlgear designed for indoor and/or outdoor installation and for operation at service frequencies up to and including 60 Hz and having rated voltages above 1 000 V.
This document applies to all high-voltage switchgear and controlgear except as otherwise specified in the relevant IEC standards for the particular type of switchgear and controlgear.
This second edition cancels and replaces the first edition published in 2007 and Amendment 1:2011. T...
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    • Standard
      256 pages
      English and French language

This draft European Standard is applicable to new low voltage devices for measurement, control and protection which are:
-   for indoor or outdoor fixed installations in traction systems, and
-   operated in conjunction with high voltage equipment with an a.c. line voltage and frequency as specified in EN 50163.
NOTE   EN 50163 specifies the a.c. traction systems 15 kV 16,7 Hz and 25 kV 50 Hz.
This draft European Standard will also be applied to measurement, control and protective devices other th...
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    • Standard
      19 pages
      English language
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This EN 50152-3-2 is applicable to new current transformers which are
   for indoor or outdoor fixed installations in tractions systems, and
   operated with an a.c. line voltage and frequency as specified in EN 50163.
NOTE 1    EN 50163 specifies the a.c. traction systems 15 kV 16,7 Hz and 25 kV 50 Hz.
As rails of a.c. traction systems are connected to earth and included in the return current path all phase to earth voltages will be within the tolerances as specified in EN 50163. Nevertheless p...
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    • Standard
      11 pages
      English language
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This EN 50152-3-3 is applicable to new voltage transformers which are
   for indoor or outdoor fixed installations in tractions systems, and
   operated with an a.c. line voltage and frequency as specified in EN 50163.
NOTE 1   EN 50163 specifies the a.c. traction systems 15 kV 16,7 Hz and 25 kV 50 Hz.
As rails of a.c. traction systems are connected to earth and included in the return current path all phase to earth voltages will be within the tolerances as specified in EN 50163. Nevertheless ph...
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    • Standard
      12 pages
      English language
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IEC 61800-5-2:2016 is available as IEC 61800-5-2:2016 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61800-5-2:2016 specifies requirements and makes recommendations for the design and development, integration and validation of safety related power drive systems (PDS(SR)) in terms of their functional safety considerations. It applies to adjustable speed electrical power drive systems cover...
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    • Standard
      175 pages
      English and French language

IEC 62271-104:2015 is applicable to three-pole alternating current switches for rated voltages higher than 52 kV, having making and breaking current ratings, for indoor and outdoor installations, and for rated frequencies up to and including 60 Hz. This standard is also applicable to the operating devices of these switches and to their auxiliary equipment. This second edition replaces and cancels the first edition published in 2009 and constitutes a technical revision. This edition includes the ...view more

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    • Standard
      52 pages
      English language
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      1 day

This European Standard covers d.c. metal-enclosed and non-metallic enclosed switchgear
assemblies used in indoor stationary installations of traction systems, with nominal voltage
not exceeding 3 000 V.
It is intended that individual items of equipment, for example circuit breakers, housed in the
assembly are designed, manufactured and individually tested (simulating the enclosure when
necessary) in accordance with their respective parts of EN 50123 or, when appropriate, with
another appli...
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    • Amendment
      14 pages
      English language
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      1 day
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    • Amendment
      14 pages
      English language
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      1 day

IEC 62271-104:2015 is applicable to three-pole alternating current switches for rated voltages higher than 52 kV, having making and breaking current ratings, for indoor and outdoor installations, and for rated frequencies up to and including 60 Hz. This standard is also applicable to the operating devices of these switches and to their auxiliary equipment. This second edition replaces and cancels the first edition published in 2009 and constitutes a technical revision. This edition includes the ...view more

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    • Standard
      102 pages
      English and French language

2012-06-05: 9-month tolerance requested (noted by D143/C026)

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    • Amendment
      14 pages
      English language
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      1 day
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    • Amendment
      14 pages
      English language
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This part of EN 50123 specifies requirements for outdoor d.c. switch-disconnectors, disconnectors and earthing switches for use in outdoor fixed installations of traction systems.

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    • Amendment
      4 pages
      English language
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      1 day

This part of EN 50123 specifies requirements for d.c. disconnectors, switch-disconnectors and earthing switches for use in indoor fixed installations of traction systems.

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    • Amendment
      4 pages
      English language
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      1 day

IEC 62271-4:2013 applies to the procedures for handling of SF6 during installation, commissioning, normal and abnormal operations, disposal at the end of life of high voltage switchgear and controlgear. This first edition cancels and replaces the first edition of IEC/TR 62271-303 published in 2008. This first edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) the description of the potential effects...view more

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    • Standard
      80 pages
      English language
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This EN 50152-1 is applicable to single-pole and two-pole alternating current (a.c.) circuit-breakers which are:
- for indoor or outdoor fixed installations in tractions systems, and
- operated with an a.c. line voltage and frequency as specified in EN 50163.
NOTE 1 EN 50163 specifies the a.c. traction systems 15 kV 16,7 Hz and 25 kV 50 Hz. NOTE 2 As rails of a.c. traction systems are connected to earth and included in the return current path all phase to earth voltages will be within the tol...
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    • Amendment
      4 pages
      English language
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      1 day

IEC 62271-112:2013 applies to a.c. high-speed earthing switches designed for indoor and outdoor installation and for operation at service frequencies of 50 Hz and 60 Hz on systems having voltages of 550 kV and above. High-speed earthing switches described in this standard are intended to extinguish the secondary arc remaining after clearing faults on transmission lines by the circuit-breakers.

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    • Standard
      28 pages
      English language
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      1 day

IEC 62271-4:2013 applies to the procedures for handling of SF6 during installation, commissioning, normal and abnormal operations, disposal at the end of life of high voltage switchgear and controlgear. This first edition cancels and replaces the first edition of IEC/TR 62271-303 published in 2008. This first edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) the description of the potential effect...
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    • Standard
      157 pages
      English and French language

IEC 62271-112:2013 applies to a.c. high-speed earthing switches designed for indoor and outdoor installation and for operation at service frequencies of 50 Hz and 60 Hz on systems having voltages of 550 kV and above. High-speed earthing switches described in this standard are intended to extinguish the secondary arc remaining after clearing faults on transmission lines by the circuit-breakers.
This publication is to be read in conjunction with IEC 62271-1:2007.

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    • Standard
      52 pages
      English and French language

2013-03-07: Publication allocated to cpalagi@cencenelec.eu

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    • Amendment
      13 pages
      English language
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      1 day

This European Standard is applicable to single-pole and two-pole alternating current (a.c.) disconnectors, earthing switches and switches which are:
- designed for indoor or outdoor fixed installations in tractions systems, and
- operated with an a.c. line voltage and frequency as specified in EN 50163.
NOTE 1 EN 50163 specifies the a.c. traction systems 15 kV 16,7 Hz and 25 kV 50 Hz. NOTE 2 As rails of a.c. traction systems are connected to earth and included in the return current path all p...
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    • Standard
      14 pages
      English language
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      1 day

This EN 50152-1 is applicable to single-pole and two-pole alternating current (a.c.) circuit-breakers which are:
- for indoor or outdoor fixed installations in tractions systems, and
- operated with an a.c. line voltage and frequency as specified in EN 50163.
NOTE 1 EN 50163 specifies the a.c. traction systems 15 kV 16,7 Hz and 25 kV 50 Hz. NOTE 2 As rails of a.c. traction systems are connected to earth and included in the return current path all phase to earth voltages will be within the tol...
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    • Standard
      23 pages
      English language
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      1 day

The contents of the corrigendum of January 2012 have been included in this copy.

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    • Amendment
      15 pages
      English language
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      1 day

This part of IEC 62271 applies to compact switchgear assemblies consisting of at least one switching device directly connected to, or sharing components with, one or more other devices such that there is an interaction between the functions of the individual devices. Such assemblies are made up of devices defined in 1.101 and are designed, tested and supplied for use as a single unit. The interaction between devices may be due to proximity, sharing of components or a combination of both. The ass...view more

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    • Standard
      28 pages
      English language
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      1 day

This part of IEC 62271 applies to compact switchgear assemblies consisting of at least one switching device directly connected to, or sharing components with, one or more other devices such that there is an interaction between the functions of the individual devices. Such assemblies are made up of devices defined in 1.101 and are designed, tested and supplied for use as a single unit. The interaction between devices may be due to proximity, sharing of components or a combination of both. The ass...view more

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    • Standard
      47 pages
      English and French language

IEC 61800-5-1:2007 It specifies requirements for adjustable speed power drive systems, or their elements, with respect to electrical, thermal and energy safety considerations. It does not cover the driven equipment except for interface requirements. It applies to adjustable speed electric drive systems which include the power conversion, drive control, and motor or motors. Excluded are traction and electric vehicle drives. It applies to d.c. drive systems connected to line voltages up to 1 kV a....view more

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    • Standard
      236 pages
      English and French language

IEC 62271-104:2020 is applicable to three-pole alternating current switches for rated voltages higher than 52 kV, having making and breaking current ratings, for indoor and outdoor installations, and for rated frequencies up to and including 60 Hz. This third edition replaces and cancels the second edition published in 2015. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - new numbering, following IEC 6...view more

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    • Standard
      55 pages
      English language
    • e-Library read for
      1 day

This European Standard covers d.c. metal-enclosed and non-metallic enclosed switchgear
assemblies used in indoor stationary installations of traction systems, with nominal voltage
not exceeding 3 000 V.
It is intended that individual items of equipment, for example circuit breakers, housed in the
assembly are designed, manufactured and individually tested (simulating the enclosure when
necessary) in accordance with their respective parts of EN 50123 or, when appropriate, with
another appli...
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    • Standard
      31 pages
      English language
    • e-Library read for
      1 day

This European Standard gives the requirements for isolating current transducers and other current measuring devices used in d.c. railway applications, fixed installations. This transducer is normally positioned between the sensor in the live switchboard conductor or rail and the secondary device, giving galvanic insulation between the input and the output.

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    • Standard
      8 pages
      English language
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      1 day

The EN 50123 series specifies requirements for d.c. switchgear and controlgear and is intended to be used in fixed electrical installations with nominal voltage not exceeding 3 000 V d.c., which supply electrical power to vehicles for public guided transport, i.e. railway vehicles, tramway vehicles, underground vehicles and trolley-buses. Part 1 specifies general requirements. The other parts are covering Part 2 D.C. circuit breakers, Part 3 Indoor d.c. disconnectors, switch-disconnectors and ea...view more

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    • Standard
      46 pages
      English language
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      1 day

This part of EN 50123 specifies requirements for d.c. disconnectors, switch-disconnectors and earthing switches for use in indoor fixed installations of traction systems.

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    • Standard
      22 pages
      English language
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This part of EN 50123 specifies requirements for outdoor d.c. switch-disconnectors, disconnectors and earthing switches for use in outdoor fixed installations of traction systems.

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    • Standard
      25 pages
      English language
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      1 day

This part of EN 50123 specifies requirements for d.c. circuit breakers for use in fixed installations of traction systems. NOTE Switchgear assemblies, electromagnetic compatibility (EMC) and dependability are not covered in this part of EN 50123, but by other parts of this standard or by other standards, as indicated in EN 50123-1.

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    • Standard
      27 pages
      English language
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      1 day

This European Standard gives the requirements for isolating voltage transducers and other voltage measuring devices used in d.c. railway applications, fixed installations. This transducer is normally positioned between the voltage sensor on the live switchboard conductor or rail and the secondary device, giving galvanic insulation between the input and the output.

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    • Standard
      7 pages
      English language
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provides alternative methods for specifying ratings for adjustable speed electrical power drive systems (PDS) and in particular their basic drive modules (BDM

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    • Technical report
      31 pages
      English and French language

This European Standard provides assistance, guidance and requirements for the design of protection, control and measuring systems in d.c. installations intended to provide a power supply to traction systems. This application guide identifies the characteristics and parameters of equipment used in the measurement, control and protection of d.c. traction systems. Guidance is given concerning the appropriate application of electrical protection systems.

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    • Standard
      25 pages
      English language
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Applies to alternating current disconnectors and earthing switches, designed for indoor and outdoor enclosed and open terminal installations for voltages above 1 000 V and for service frequencies up to and including 60 Hz. It also applies to the operating devices of these disconnectors and earthing switches and their auxiliary equipment. Additional requirements for disconnectors and earthing switches in enclosed switchgear and controlgear are given in EN 60298, EN 60466 and EN 60517. Note: Disco...view more

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    • Standard
      99 pages
      English language
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