2018-06-13: WI transferred from SR 28 to TC 99X to follow IEC.

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    • Standard
      37 pages
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IEC 61557-11:2020 is available as IEC 61557-11:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-11:2020 specifies the requirements for test equipment applied to the testing of the effectiveness of residual current monitors (RCM) that are already installed in distribution systems. This test equipment can be used in any kind of network, such as a TN, TT or IT system. The test equipmen...view more

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    • Standard
      29 pages
      English and French language

IEC 61557-5:2019 is available as IEC 61557-5:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-5:2019 specifies the requirements applicable to measuring equipment for measuring the resistance to earth using an AC voltage. IEC 61557-5:2019 cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This edition includes the following signi...view more

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    • Standard
      24 pages
      English and French language

IEC 61557-1:2019 is available as IEC 61557-1:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-1:2019 specifies the general requirements applicable to measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems with nominal voltages up to 1 000 V AC and 1 500 V DC. When measuring equipment or measuring installations involve measurement tas...view more

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    • Standard
      50 pages
      English and French language

IEC 61557-7:2019 is available as IEC 61557-7:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-7:2019 specifies the requirements applicable to measuring equipment for testing the phase sequence in three-phase distribution systems. Indication of the phase sequence can be mechanical, visual and/or audible. This document does not apply to additional measurements for other quantities. It...view more

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    • Standard
      28 pages
      English and French language

IEC 61557-2:2019 is available as IEC 61557-2:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-2:2019 specifies the requirements applicable to equipment for measuring the insulation resistance of equipment and installations in the de-energized state IEC 61557-2:2019 cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This edition ...view more

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    • Standard
      19 pages
      English and French language

IEC 61557-6:2019 is available as IEC 61557-6:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-6:2019 specifies the requirements applicable to measuring equipment for testing the effectiveness of protective measures of residual current devices (RCD) installed in TT, TN and IT systems. It is not the purpose of this document to verify the RCD according to their product standards. IEC 6...view more

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    • Standard
      28 pages
      English and French language

IEC 61557-3:2019 is available as IEC 61557-3:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-3:2019 specifies the requirements applicable to equipment for measuring the loop impedance between a line conductor and protective conductor; between a line conductor and neutral; or between two line conductors by using the voltage drop when the circuit under test is loaded. IEC 61557-3:201...view more

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    • Standard
      21 pages
      English and French language

IEC 61557-4:2019 is available as IEC 61557-4:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-4:2019 specifies the requirements applicable to equipment for measuring the resistance of earth conductors, protective earth conductors and conductors for equipotential bonding, including their connections and terminals, with an indication of the measured value or an indication of the limit...view more

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    • Standard
      20 pages
      English and French language

IEC 61557-12:2018 is available as IEC 61557-12:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-12:2018 specifies requirements for power metering and monitoring devices (PMD) that measure and monitor the electrical quantities within electrical distribution systems, and optionally other external signals. These requirements also define the performance in single- and three-phase AC or ...view more

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    • Standard
      206 pages
      English and French language

This part of IEC 60071 constitutes application guidelines and deals with the selection of
insulation levels of equipment or installations for three-phase electrical systems. Its aim is to
give guidance for the determination of the rated withstand voltages for ranges I and II of
IEC 60071-1 and to justify the association of these rated values with the standardized highest
voltages for equipment.
This association is for insulation co-ordination purposes only. The requirements for human
safet...
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    • Standard
      159 pages
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IEC 60077-1:2017 is now available as IEC 60077-1:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60077-1:2017 specifies the general service conditions and requirements for all electric equipment installed in power circuits, auxiliary circuits, control and indicating circuits etc., on railway rolling stock. The purpose of this document is to harmonize as far as practicable all rules a...
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      105 pages
      English and French language

This part EN 50124 deals with insulation coordination in railways. It applies to equipment for use in signalling, rolling stock and fixed installations.
Insulation coordination is concerned with the selection, dimensioning and correlation of insulation both within and between items of equipment. In dimensioning insulation, electrical stresses and environmental conditions are taken into account. For the same conditions and stresses these dimensions are the same.
An objective of insulation coo...
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This part of EN 50124 applies to:
Fixed installations (downstream the secondary of the substation transformer) and rolling stock equipment linked to the contact line of one of the systems defined in EN 50163;
Rolling stock equipment linked to a train line.
This standard gives simulation and/or test requirements for protection against transient overvoltages of such equipment.
Long-term overvoltages are not treated in this document.

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    • Standard
      14 pages
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This European Standard applies to: - fixed installations (downstream of the secondary of the substation transformer) and rolling stock equipment linked to the contact line of one of the systems defined in EN 50163; - rolling stock equipment linked to a train line. This European Standard gives simulation and/or test requirements for protection against transient overvoltages of such equipment. Long-term overvoltages are not addressed in this document.

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    • Standard
      14 pages
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This European Standard deals with insulation coordination in railways. It applies to equipment for use in signalling, rolling stock and fixed installations. Insulation coordination is concerned with the selection, dimensioning and correlation of insulation both within and between items of equipment. In dimensioning insulation, electrical stresses and environmental conditions are taken into account. For the same conditions and stresses, these dimensions are the same. An objective of insulation co...view more

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    • Standard
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Provides guidance on the procedures for insulation co-ordination of high-voltage direct current (HVDC) converter stations, without prescribing standardized insulation levels. Applies only for HVDC applications in high-voltage a.c. power systems and not for industrial conversion equipment. Principles and guidance given are for insulation co-ordination purposes only. The requirements for human safety are not covered.

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    • Standard
      98 pages
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This part of IEC 61557 defines performance requirements for test and measurement
equipment to determine the effectiveness of the protective measures of electrical measures
for electrical equipment and/or medical electrical equipment described in IEC 62353.

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    • Standard
      23 pages
      English language
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This part of IEC 61557 specifies the requirements for the insulation fault location system
(IFLS) which localizes insulation faults in any part of the system in unearthed IT a.c. systems
and unearthed IT a.c. systems with galvanically connected d.c. circuits having nominal
voltages up to 1 000 V a.c., as well as in unearthed IT d.c. systems with voltages up to
1 500 V d.c., independent of the measuring principle.
IT systems are described in IEC 60364-4-41 amongst other literature. Additiona...
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      31 pages
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This part of IEC 61557 specifies the requirements for insulation monitoring devices (IMD)
which permanently monitor the insulation resistance RF to earth of unearthed a.c. IT systems,
of a.c. IT systems with galvanically connected d.c. circuits having nominal voltages up to
1 000 V a.c., as well as of unearthed d.c. IT systems with voltages up to 1 500 V d.c.
independent from the method of measuring.
IT systems are described in IEC 60364-4-41 amongst other literature. Additional data for th...
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IEC TS 61936-2:2015(E) provides, in a convenient form, common rules for the design and the erection of electrical power installations in systems with nominal voltages above 1,5 kV d.c., so as to provide safety and proper functioning for the use intended.

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    • Technical specification
      37 pages
      English language

Is applicable to electrical control circuit devices and switching elements which are used to provide an emergency stop signal. Such devices may be either provided with their own enclosure, or installed according to the manufacturer's instructions.

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    • Standard
      3 pages
      English and French language

Specifications for polyvinyl chloride insulated single-core non-sheathed cables for fixed wiring of rated voltages up to and including 450/750 V.[
]This consolidated version consists of the second edition (1993) and its amendment 1 (1997). Therefore, no need to order amendment in addition to this publication.

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    • Standard
      8 pages
      English and French language

IEC 61557-8:2014 specifies the requirements for insulation monitoring devices (IMD) which permanently monitor the insulation resistance RF to earth of unearthed a.c. IT systems, of a.c. IT systems with galvanically connected d.c. circuits having nominal voltages up to 1 000 V a.c., as well as of unearthed d.c. IT systems with voltages up to 1 500 V d.c. independent from the method of measuring. IT systems are described in IEC 60364-4-41 amongst other literature. Additional data for the selection...view more

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    • Standard
      51 pages
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IEC 61557-16:2014 defines performance requirements for test and measurement equipment to determine the effectiveness of the protective measures of electrical measures for electrical equipment and/or medical electrical equipment described in IEC 62353. It is the intention of this standard to achieve comparable measuring results, additional safety for the testing person and negligible electrical stress for the unit under test. Keywords: leakage current, patient applied part

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    • Standard
      23 pages
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IEC 60601-1-11:2015 is available as IEC 60601-1-11:2015 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60601-1-11:2015 applies to the basic safety and essential performance of medical electrical equipment and medical electrical systems for use in the home healthcare environment. It applies regardless of whether the medical electrical equipment or medical electrical system is intended for...
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    • Standard
      125 pages
      English and French language

IEC 61557-16:2014 defines performance requirements for test and measurement equipment to determine the effectiveness of the protective measures of electrical measures for electrical equipment and/or medical electrical equipment described in IEC 62353. It is the intention of this standard to achieve comparable measuring results, additional safety for the testing person and negligible electrical stress for the unit under test. Keywords: leakage current, patient applied part
This publication is ...
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    • Standard
      38 pages
      English and French language

IEC 61557-8:2014 specifies the requirements for insulation monitoring devices (IMD) which permanently monitor the insulation resistance RF to earth of unearthed a.c. IT systems, of a.c. IT systems with galvanically connected d.c. circuits having nominal voltages up to 1 000 V a.c., as well as of unearthed d.c. IT systems with voltages up to 1 500 V d.c. independent from the method of measuring. IT systems are described in IEC 60364-4-41 amongst other literature. Additional data for the selection...view more

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    • Standard
      95 pages
      English and French language

EN IEC 61557-15 specifies requirements related to functional safety and is based on the IEC 61508 standard series for the realization of insulation monitoring devices (IMD) as specified in IEC 61557-8 and for insulation fault location systems (IFLS) according to IEC 61557-9, according to phase 10 of the IEC 61508-1 lifecycle. These devices provide safety related functions for IT systems. This part of IEC 61557 is: - concerned only with functional safety requirements intended to reduce the functi...view more

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    • Standard
      80 pages
      English language
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IEC 61557-15:2014 specifies requirements related to functional safety and is based on the IEC 61508 standard series for the realization of Insulation Monitoring Devices (IMD) as specified in IEC 61557-8 and for Insulation Fault Location Systems (IFLS) according to IEC 61557-9, according to phase 10 of the IEC 61508-1 lifecycle. These devices provide safety related functions for IT systems. This part of IEC 61557 is - concerned only with functional safety requirements intended to reduce the funct...view more

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    • Standard
      80 pages
      English language
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2014-04-03: Publication allocated to tnaqvi@cencenelec.eu

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    • Standard – translation
      22 pages
      Slovenian language
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    • Amendment
      21 pages
      English language
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IEC 61557-15:2014 specifies requirements related to functional safety and is based on the IEC 61508 standard series for the realization of Insulation Monitoring Devices (IMD) as specified in IEC 61557-8 and for Insulation Fault Location Systems (IFLS) according to IEC 61557-9, according to phase 10 of the IEC 61508-1 lifecycle. These devices provide safety related functions for IT systems. This part of IEC 61557 is
- concerned only with functional safety requirements intended to reduce the func...
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    • Standard
      154 pages
      English and French language

This part of IEC 61557 defines special requirements for test and measurement equipment used to determine the electrical safety of electrical equipment of machinery according to IEC 60204-1.

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    • Standard
      21 pages
      English language
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This part of IEC 61557 specifies the requirements for combined measuring equipment which combines into one piece of apparatus, several measuring functions or methods of testing, measuring or monitoring according to the respective parts of IEC 61557.

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    • Standard
      12 pages
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IEC 61557-10:2013 specifies the requirements for combined measuring equipment which combines into one piece of apparatus, several measuring functions or methods of testing, measuring or monitoring according to the respective parts of IEC 61557. This second edition cancels and replaces the first edition published in 2000. This edition constitutes a technical revision. (electrical safety, combined measuring equipment for testing, measuring or monitoring of protective measures)

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    • Standard
      12 pages
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IEC 61557-14:2013 defines special requirements for test and measurement equipment used to determine the electrical safety of electrical equipment of machinery according to IEC 60204-1. IEC 61010 and the existing parts of series IEC 61557 do not cover all safety aspects of testing electrical equipment of machinery. IEC 61557-14 provides additional protection against electric shock for the testing person and bystanders during high-voltage-tests and in case of unintended use of the test equipment. ...view more

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    • Standard
      21 pages
      English language
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IEC 61557-10:2013 specifies the requirements for combined measuring equipment which combines into one piece of apparatus, several measuring functions or methods of testing, measuring or monitoring according to the respective parts of IEC 61557. This second edition cancels and replaces the first edition published in 2000. This edition constitutes a technical revision. (electrical safety, combined measuring equipment for testing, measuring or monitoring of protective measures)
This publication ...
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    • Standard
      17 pages
      English and French language

IEC 61557-14:2013 defines special requirements for test and measurement equipment used to determine the electrical safety of electrical equipment of machinery according to IEC 60204-1. IEC 61010 and the existing parts of series IEC 61557 do not cover all safety aspects of testing electrical equipment of machinery. IEC 61557-14 provides additional protection against electric shock for the testing person and bystanders during high-voltage-tests and in case of unintended use of the test equipment. ...view more

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    • Standard
      33 pages
      English and French language

This part of IEC 61936 provides common rules for the design and the erection of electrical power installations in systems with nominal voltages above 1 kV a.c. and nominal frequency up to and including 60 Hz, so as to provide safety and proper functioning for the use intended. For the purpose of interpreting this standard, an electrical power installation is considered to be one of the following:
a) Substation, including substation for railway power supply
b) Electrical installations on mast, ...
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    • Corrigendum
      1 page
      English language
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    • Corrigendum – translation
      1 page
      Slovenian language
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This part of IEC 61557 defines special performance requirements for hand-held and handmanipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems up to 1 000 V a.c. and 1 500 V d.c., taking into account the influence of high external low-frequency magnetic fields and other influencing quantities. This standard does not apply to current clamps or sensors which are used in combination with devices for insulation fault location according to IEC 6155...view more

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    • Standard
      22 pages
      English language
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    • Draft
      17 pages
      English language
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IEC 61557-13:2011 defines special performance requirements for hand-held and hand-manipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems up to 1 000 V a.c. and 1 500 V d.c., taking into account the influence of high external low-frequency magnetic fields and other influencing quantities. This standard does not apply to current clamps or sensors which are used in combination with devices for insulation fault location according to IEC 61557-9,...view more

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    • Standard
      22 pages
      English language
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    • Draft
      17 pages
      English language
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IEC 61557-13:2011 defines special performance requirements for hand-held and hand-manipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems up to 1 000 V a.c. and 1 500 V d.c., taking into account the influence of high external low-frequency magnetic fields and other influencing quantities. This standard does not apply to current clamps or sensors which are used in combination with devices for insulation fault location according to IEC 61557-9,...view more

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    • Standard
      37 pages
      English and French language

IEC 61936-1:2010 provides common rules for the design and the erection of electrical power installations in systems with nominal voltages above 1 kV a.c. and nominal frequency up to and including 60 Hz, so as to provide safety and proper functioning for the use intended. For the purpose of interpreting this standard, an electrical power installation is considered to be one of the following: a) Substation, including substation for railway power supply; b) Electrical installations on mast, pole an...view more

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    • Standard
      119 pages
      English language
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      1 day
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    • Standard – translation
      116 pages
      Slovenian language
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      1 day

IEC 61936-1:2010 provides common rules for the design and the erection of electrical power installations in systems with nominal voltages above 1 kV a.c. and nominal frequency up to and including 60 Hz, so as to provide safety and proper functioning for the use intended. For the purpose of interpreting this standard, an electrical power installation is considered to be one of the following:
a) Substation, including substation for railway power supply;
b) Electrical installations on mast, pole ...
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    • Standard
      210 pages
      English and French language