EN 61557-16:2015

SLOVENSKI STANDARD
01-junij-2015
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Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. -
Equipment for testing, measuring or monitoring of protective measures - Part 16:
Equipment for testing the effectiveness of the protective measures of electrical
equipment and/or medical electrical equipment (IEC 61557-16:2014)
Elektrische Sicherheit in Niederspannungsnetzen bis AC 1 000 V und DC 1 500 V -
Geräte zum Prüfen, Messen oder Überwachen von Schutzmaßnahmen - Teil 16: Geräte
zur Prüfung der Wirksamkeit der Schutzmassnahmen von elektrischen Geräten und/oder
medizinisch elektrischen Geräten (IEC 61557-16:2014)
Ta slovenski standard je istoveten z: EN 61557-16:2015
ICS:
17.220.20 0HUMHQMHHOHNWULþQLKLQ Measurement of electrical
PDJQHWQLKYHOLþLQ and magnetic quantities
29.080.01 (OHNWULþQDL]RODFLMDQD Electrical insulation in
VSORãQR general
29.240.01 2PUHåMD]DSUHQRVLQ Power transmission and
GLVWULEXFLMRHOHNWULþQHHQHUJLMH distribution networks in
QDVSORãQR general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 61557-16

NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2015
ICS 17.220.20; 29.080.01
English Version
Electrical safety in low voltage distribution systems up to 1 000 V
a.c. and 1 500 V d.c. - Equipment for testing, measuring or
monitoring of protective measures - Part 16: Equipment for
testing the effectiveness of the protective measures of electrical
equipment and/or medical electrical equipment
(IEC 61557-16:2014)
Sécurité électrique dans les réseaux de distribution basse Elektrische Sicherheit in Niederspannungsnetzen
tension de 1 000 V c.a. et 1 500 V c.c. - Dispositifs de bis AC 1 000 V und DC 1 500 V - Geräte zum Prüfen,
contrôle, de mesure ou de surveillance de mesures de Messen oder Überwachen von Schutzmaßnahmen -
protection - Partie 16: Équipement pour les essais de bon Teil 16: Geräte zur Prüfung der Wirksamkeit der
fonctionnement des mesures de protection de l'équipement Schutzmassnahmen von elektrischen Geräten und/oder
électrique et/ou de l'équipement médical électrique medizinisch elektrischen Geräten
(IEC 61557-16:2014) (IEC 61557-16:2014)
This European Standard was approved by CENELEC on 2015-01-15. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61557-16:2015 E
Foreword
The text of document 85/487/FDIS, future edition 1 of IEC 61557-16, prepared by
IEC/TC 85 "Measuring equipment for electrical and electromagnetic quantities" was submitted to the
IEC-CENELEC parallel vote and approved by CENELEC as EN 61557-16:2015.

The following dates are fixed:
(dop) 2015-10-15
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2018-01-15
standards conflicting with the
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment
Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC).

Endorsement notice
The text of the International Standard IEC 61557-16:2014 was approved by CENELEC as a European
Standard without any modification.

- 3 - EN 61557-16:2015
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu
Publication Year Title EN/HD Year

IEC 60529 -  Degrees of protection provided by EN 60529 -
enclosures (IP Code)
IEC 61000-4-8 -  Electromagnetic compatibility (EMC) - EN 61000-4-8 -
Part 4-8: Testing and measurement
techniques - Power frequency magnetic
field immunity test
IEC 61010-1 -  Safety requirements for electrical EN 61010-1 -
equipment for measurement, control
and laboratory use -
Part 1: General requirements
IEC 61010-031 -  Safety requirements for electrical EN 61010-031 -
equipment for measurement, control
and laboratory use -
Part 031: Safety requirements for hand-
held probe assemblies for electrical
measurement and test
IEC 61010-2-030 -  Safety requirements for electrical EN 61010-2-030 -
equipment for measurement, control
and laboratory use -
Part 2-030: Particular requirements for
testing and measuring circuits
IEC 61010-2-032 -  Safety requirements for electrical EN 61010-2-032 -
equipment for measurement, control, and
laboratory use -
Part 2-032: Particular requirements for
hand-held and hand-manipulated current
sensors for electrical test and
measurement
IEC 61326-1 -  Electrical equipment for measurement, EN 61326-1 -
control and laboratory use - EMC
requirements -
Part 1: General requirements
Publication Year Title EN/HD Year

IEC 61326-2-2 -  Electrical equipment for measurement, EN 61326-2-2 -
control and laboratory use - EMC
requirements -
Part 2-2: Particular requirements - Test
configurations, operational conditions
and performance criteria for portable test,
measuring and monitoring equipment used
in low-voltage distribution systems
IEC 61557-1 2007 Electrical safety in low voltage distribution EN 61557-1 2007
systems up to 1 000 V a.c. and 1 500 V
d.c. - Equipment for testing, measuring or
monitoring of protective measures -
Part 1: General requirements
IEC 61557-2 -  Electrical safety in low voltage distribution EN 61557-2 -
systems up to 1 000 V a.c. and 1 500 V
d.c. - Equipment for testing, measuring or
monitoring of protective measures -
Part 2: Insulation resistance
IEC 61557-4 2007 Electrical safety in low voltage distribution EN 61557-4 2007
systems up to 1 000 V a.c. and 1 500 V
d.c. - Equipment for testing, measuring or
monitoring of protective measures -
Part 4: Resistance of earth connection
and equipotential bonding
IEC 61557-10 -  Electrical safety in low voltage distribution EN 61557-10 -
systems up to 1 000 V a.c. and 1 500 V
d.c. - Equipment for testing, measuring or
monitoring of protective measures -
Part 10: Combined measuring equipment
for testing, measuring or monitoring of
protective measures
IEC 61557-13 2011 Electrical safety in low voltage distribution EN 61557-13 2011
systems up to 1 000 V a.c. and 1 500 V
d.c. - Equipment for testing, measuring or
monitoring of protective measures -
Part 13: Hand-held and hand-manipulated
current clamps and sensors for
measurement of leakage currents in
electrical distribution systems
IEC 62353 -  Medical electrical equipment - Recurrent EN 62353 -
test and test after repair of medical
electrical equipment
IEC 61557-16 ®
Edition 1.0 2014-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and

1 500 V d.c. – Equipment for testing, measuring or monitoring of protective

measures –
Part 16: Equipment for testing the effectiveness of the protective measures of

electrical equipment and/or medical electrical equipment

Sécurité électrique dans les réseaux de distribution basse tension de

1 000 V c.a. et 1 500 V c.c. – Dispositifs de contrôle, de mesure ou de

surveillance de mesures de protection –

Partie 16: Équipement pour les essais de bon fonctionnement des mesures de

protection de l'équipement électrique et/ou de l'équipement médical électrique

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX R
ICS 17.220.20; 29.080.01 ISBN 978-2-8322-1979-9

– 2 – IEC 61557-16:2014 © IEC 2014
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Requirements . 9
4.1 Measurement requirements for measuring equipment . 9
4.1.1 General . 9
4.1.2 Measurement of the resistance of the protective bonding or the
protective earth resistance . 9
4.1.3 Measurement of insulation resistance . 10
4.1.4 Measurement of protective conductor current and/or equipment leakage
current with the alternative method . 10
4.1.5 Measurement of touch current, patient leakage current and applied part
leakage current with the alternative method . 10
4.1.6 Measurement of protective conductor current and or equipment leakage
current with the direct method or differential method (residual method) . 11
4.1.7 Measurement of touch current, patient leakage current and applied part
leakage current with the direct method or differential method (residual
method) . 11
4.2 Construction requirements for testing equipment . 12
4.2.1 Overload capability . 12
4.2.2 Terminals . 12
4.2.3 Sockets for service purposes . 12
4.2.4 Degree of protection . 12
4.2.5 Class of protection . 12
4.2.6 Resistance of protective bonding . 12
4.2.7 Battery control . 12
4.2.8 Mechanical requirements . 13
4.2.9 Pollution degree . 13
4.2.10 Safety . 13
4.2.11 Electromagnetic compatibility (EMC) . 13
4.2.12 Accessories . 13
5 Markings and operating instructions .
...