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CENELEC
EN 61557-3:2007

EN 61557-3:2007

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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 3: Loop impedance

Superseded date

07-06-2022

Published date

23-03-2007

Publisher

European Committee for Standards - Electrical

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FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Marking and operating instructions
  5.1 Marking
  5.2 Operating instructions
6 Tests
Bibliography
Annex ZA (normative) Normative references to
         international publications with their
         corresponding European publications

This part of IEC 61557 specifies the requirements applicable to equipment for measuring the loop impedance between a phase conductor and the protective conductor or between a phase conductor and neutral or between two phase conductors by using the voltage drop when the circuit under test is loaded. This second edition cancels and replaces the first edition published in 1997. This edition constitutes a technical revision. The following changes were made with respect to the previous edition: a) definitions complemented; b) revision of some requirements; c) addition of information on operating instructions; d) addition of new influence quantities E9 and E10.

Committee
CLC/TC 85X
DevelopmentNote
To be used in conjunction with EN 61557-1. (05/2007)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded

CEI EN 61557-14 : 2014 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 14: EQUIPMENT FOR TESTING THE SAFETY OF ELECTRICAL EQUIPMENT OF MACHINERY
I.S. EN 61557-10:2013 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 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 61557-10:2013 (EQV))
CEI EN 61557-1 : 2008 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 1: GENERAL REQUIREMENTS
EN 61557-14:2013 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 14: Equipment for testing the safety of electrical equipment of machinery
EN 61557-10:2013 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 10: Combined measuring equipment for testing, measuring or monitoring of protective measures
EN 60204-1 : 2006 COR 2010 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 1: GENERAL REQUIREMENTS
I.S. EN 60204-32:2008 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 32: REQUIREMENTS FOR HOISTING MACHINES
DIN EN 61557-1 : 2007 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 1: GENERAL REQUIREMENTS
I.S. EN 60204-1:2006 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 1: GENERAL REQUIREMENTS
UNE-EN 60204-1:2007 Safety of machinery - Electrical equipment of machines - Part 1: General requirements
UNE-HD 60364-6:2017 Low-voltage electrical installations - Part 6: Verification
BS EN 60204-33:2011 Safety of machinery. Electrical equipment of machines Requirements for semiconductor fabrication equipment
BS EN 61557-10:2013 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 Combined measuring equipment for testing, measuring or monitoring of protective measures
CEI EN 61557-10 : 2014 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 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
BS EN 61557-14:2013 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 Equipment for testing the safety of electrical equipment of machinery
BS EN 61557-1:2007 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures General requirements
I.S. EN 61557-14:2013 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 14: EQUIPMENT FOR TESTING THE SAFETY OF ELECTRICAL EQUIPMENT OF MACHINERY (IEC 61557-14:2013 (EQV))
I.S. EN 61557-1:2007 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 1: GENERAL REQUIREMENTS
I.S. EN 60204-33:2011 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 33: REQUIREMENTS FOR SEMICONDUCTOR FABRICATION EQUIPMENT
BS EN 60204-1 : 2006 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 1: GENERAL REQUIREMENTS
BS EN 60204-32:2008 Safety of machinery. Electrical equipment of machines Requirements for hoisting machines
EN 60204-32:2008 Safety of machinery - Electrical equipment of machines - Part 32: Requirements for hoisting machines
EN 60204-33:2011 Safety of machinery - Electrical equipment of machines - Part 33: Requirements for semiconductor fabrication equipment
EN 61557-1:2007 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 1: General requirements

IEC 61557-1:2007 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 1: General requirements
EN 61557-1:2007 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 1: General requirements
EN 61010-1:2010 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
IEC 61010-1:2010+AMD1:2016 CSV Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
IEC 61800-5-2:2016 Adjustable speed electrical power drive systems - Part 5-2: Safety requirements - Functional

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