IEC 61557-13:2011

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 13: Hand-held and hand-manipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems

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, unless it is specified by the manufacturer.

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 13: Pinces et capteurs de courant portatifs et manipulés à la main pour la mesure des courants de fuite dans les réseaux de distribution électriques

La CEI 61557-13:2011 définit les exigences spécifiques d'aptitude à la fonction relatives aux pinces et capteurs de courant portatifs et manipulés à la main, en vue de la mesure des courants de fuite dans les réseaux de distribution électriques de 1 000 V en courant alternatif et 1 500 V en courant continu, en tenant compte de l'influence des champs magnétiques à basse fréquence externes élevés et autres grandeurs d'influence. La présente norme ne s'applique pas aux pinces et capteurs de courant utilisés en association avec des dispositifs prévus pour la localisation des défauts d'isolement conformes à la CEI 61557-9, sauf spécification de la part du fabricant.

General Information

• Status: Published
• Publication Date: 07-Jul-2011
• ICS: 17.220.20 - Measurement of electrical and magnetic quantities
• ICS: 29.080.01 - Electrical insulation in general
• ICS: 29.240.01 - Power transmission and distribution networks in general
• Technical Committee: TC 85 - Measuring equipment for electrical and electromagnetic quantities
• Drafting Committee: WG 8 - TC 85/WG 8
• Current Stage: DELPUB - Deleted Publication
• Start Date: 27-Aug-2021
• Completion Date: 25-Aug-2023

Relations

• Revised: IEC 61557-13:2023 - Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - 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
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 61557-13 ®
Edition 1.0 2011-07
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 13: Hand-held and hand-manipulated current clamps and sensors for
measurement of leakage currents in electrical distribution systems

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 13: Pinces et capteurs de courant portatifs et manipulés à la main pour
la mesure des courants de fuite dans les réseaux de distribution électriques

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IEC 61557-13 ®
Edition 1.0 2011-07
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 13: Hand-held and hand-manipulated current clamps and sensors for
measurement of leakage currents in electrical distribution systems

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 13: Pinces et capteurs de courant portatifs et manipulés à la main pour
la mesure des courants de fuite dans les réseaux de distribution électriques

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX R
ICS 17.220.20; 29.080.01; 29.240.01 ISBN 978-2-88912-571-5

– 2 – 61557-13  IEC:2011
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Requirements . 9
4.1 General . 9
4.2 Operating classes . 9
4.2.1 General . 9
4.2.2 Operating class 1 . 9
4.2.3 Operating class 2 . 9
4.2.4 Operating class 3 . 9
4.3 Measuring range / percentage operating uncertainty of reading . 9
4.3.1 General . 9
4.3.2 Measuring range of an operating class 1 current sensor . 10
4.3.3 Measuring range of an operating class 2 current sensor . 10
4.3.4 Measuring range of an operating class 3 current sensor . 10
4.4 Reference conditions . 12
4.5 Minimum rated operating conditions . 13
4.6 Mechanical requirements . 15
4.7 Pollution degree . 15
4.8 Measurement category . 15
4.9 Electromagnetic compatibility (EMC) . 15
5 Marking and operating instructions . 15
5.1 Marking . 15
5.2 Operating instructions . 16
6 Tests . 16
6.1 Type tests . 16
6.1.1 Electrical safety . 16
6.1.2 Variations . 16
6.1.3 Percentage operating uncertainty . 17
6.1.4 Marking and operating instructions . 17
6.2 Routine tests . 17
6.2.1 Intrinsic uncertainty . 17
6.2.2 Marking and operating instructions . 17
Annex A (informative) Examples of measurement applications . 18
Bibliography . 19

Figure 1 – Percentage operating uncertainty in relation to operating class and external
magnetic field for measuring ranges less than or equal to 10 mA . 11
Figure 2 – Percentage operating uncertainty in relation to operating classes and
external magnetic field and measuring ranges greater than10 mA . 12
Figure 3 – Reference position for two straight conductors (for differential method) . 13
Figure 4 – Example of operating positions for differential method . 15
Figure 5 – Example for an applicable pictogram for operating class 1 . 16

61557-13  IEC:2011 – 3 –
Figure A.1 – Example for measurement of protective conductor current – Direct method . 18
Figure A.2 – Example for measurement of leakage current including protective
conductor current – Differential method . 18

Table 1 – Relation of external field and operating class . 10
Table 2 – Calculation of percentage operating uncertainty . 14

– 4 – 61557-13  IEC:2011
INTERNATIONAL ELECTROTECHNICAL COMMISSION
_____________
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 13:Hand-held and hand-manipulated current clamps and sensors
for measurement of leakage currents in electrical distribution systems

FOREWORD
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