BS EN 62020:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Electrical accessories. Residual current monitors for household and similar uses (RCMs)
Hardcopy , PDF
27-04-2021
English
29-09-2006
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
3.1 Definitions relating to currents flowing from
live parts to earth
3.2 Definitions relating to the energization of an
RCM
3.3 Definitions relating to the operation and to the
functions of residual current monitors
3.4 Definitions relating to values and ranges of
energizing quantities
3.5 Definitions relating to values and ranges of
influencing quantities
3.6 Definitions relating to terminals
3.7 Conditions of operation
3.8 Test
4 Classification
4.1 According to the method of operation
4.2 According to the type of installation
4.3 According to the number of current paths
4.4 According to the ability to adjust the residual
operating current
4.5 According to the possibility of adjusting the
time-delay
4.6 According to the protection against external
influences
4.7 According to the method of mounting
4.8 According to the method of connection
4.9 According to the type of connection of the load
conductors
4.10 According to fault indicating means
4.11 According to ability to directionally discriminate
between supply side and load side residual currents
5 Characteristics of RCMs
5.1 Summary of characteristics
5.2 Rated quantities and other characteristics
5.3 Standard and preferred values
5.4 Coordination with short-circuit protective devices
(SCPDs) (only valid for RCMs classified according
to 4.9.2)
6 Marking and other product information
7 Standard conditions for operation in service and for
installation
7.1 Standard conditions
7.2 Conditions of installation
8 Requirements for construction and operation
8.1 Mechanical design
8.2 Protection against electric shock
8.3 Dielectric properties
8.4 Temperature rise
8.5 Operating characteristic
8.6 Directional discrimination
8.7 Operational endurance
8.8 Performance at short-circuit currents
8.9 Resistance to mechanical impact
8.10 Resistance to heat
8.11 Resistance to abnormal heat and to fire
8.12 Test device
8.13 Correct operation RCMs within the supply voltage
range
8.14 Behaviour of RCMs in case of overcurrents in the
main circuit
8.15 Resistance of RCMs to unwanted tripping due to
current surges caused by impulse voltages
8.16 Behaviour of RCMs in case of earth fault currents
comprising d.c. components
8.17 Reliability
8.18 Electromagnetic compatibility (Based on IEC 61543)
8.19 Connection of an external current transformer (CT)
9 Tests
9.1 General
9.2 Test conditions
9.3 Test of indelibility of marking
9.4 Test of reliability of screws, current-carrying parts
and connections
9.5 Test of reliability of terminals for external
conductors
9.6 Verification of protection against electric shock
9.7 Test of dielectric properties
9.8 Test of temperature rise
9.9 Verification of operating characteristics
9.10 Verification of operation endurance
9.11 Verification of short-circuit withstand capability
9.12 Verification of resistance to mechanical impact
9.13 Test of resistance to heat
9.14 Test of resistance to abnormal heat and to fire
9.15 Verification of the operation of the test device
at the limits of rated voltage
9.16 Verification of limiting values of the non-operating
current under overcurrent conditions
9.17 Verification of resistance against unwanted
operation due to current surges caused by impulse
voltages
9.18 Verification of resistance of the insulation against
impulse voltages
9.19 Verification of the correct operation at residual
currents with d.c. components
9.20 Verification of reliability
9.21 Verification of ageing of electronic components
9.22 Verification of EMC requirements
9.23 Response of the RCM to temporary overvoltages
on the LV-side, due to fault conditions on the HV-side
Annex A (normative) Test sequence and number of samples to be
submitted for verification of conformity to
the standard
Annex B (normative) Determination of clearances and creepage
distances
Annex ZA (normative) Normative references to international
publications and their corresponding European
publications
Specification for residual current monitors designed to monitor electrical installations or circuits for the presence of unbalanced earth fault currents.
Committee |
PEL/23/1
|
DevelopmentNote |
Supersedes 94/203617 DC. Also numbered as IEC 62020. (09/2005)
|
DocumentType |
Standard
|
Pages |
82
|
PublisherName |
British Standards Institution
|
Status |
Superseded
|
SupersededBy | |
Supersedes |
Standards | Relationship |
NBN EN 62020 : 1999 AMD 1 2005 | Identical |
DIN EN 62020 : 2005 | Identical |
NF EN 62020 : 1999 AMD 1 2005 | Identical |
UNE-EN 62020:2001 | Identical |
EN 62020:1998/A1:2005 | Identical |
I.S. EN 62020:1999 | Identical |
SN EN 62020 : 1998 AMD 1 2005 | Identical |
IEC 62020:1998/AMD1:2003 | Identical |
BS 7671(2008) : 2018 | REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS |
BS 7671(2008) : 2008 | REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS |
CISPR 14-1:2016 | Electromagnetic compatibility - Requirements for household appliances, electric tools and similar apparatus - Part 1: Emission |
IEC 60038:2009 | IEC standard voltages |
EN 61543:1995/A2:2006 | RESIDUAL CURRENT-OPERATED PROTECTIVE DEVICES (RCDS) FOR HOUSEHOLD AND SIMILAR USE - ELECTROMAGNETIC COMPATIBILITY |
IEC 60050-151:2001 | International Electrotechnical Vocabulary (IEV) - Part 151: Electrical and magnetic devices |
IEC 60050-441:1984 | International Electrotechnical Vocabulary (IEV) - Part 441: Switchgear, controlgear and fuses |
HD 625.1 : 200S1 | INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PRINCIPLES, REQUIREMENTS AND TESTS |
IEC 61008-1:2010+AMD1:2012+AMD2:2013 CSV | Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) - Part1: General rules |
IEC 60364-5-53:2001+AMD1:2002+AMD2:2015 CSV | Electrical installations of buildings - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control |
IEC 61543:1995 | Residual current-operated protective devices (RCDs) for household and similar use - Electromagnetic compatibility |
HD 472 S1:1989/AC:2013 | NOMINAL VOLTAGES FOR LOW-VOLTAGE PUBLIC ELECTRICITY SUPPLY SYSTEMS |
HD 323.2.30 : 200S3 | BASIC ENVIRONMENTAL TESTING PROCEDURES - PART 2: TESTS - TEST DB AND GUIDANCE: DAMP HEAT, CYCLIC (12 + 12-HOUR CYCLE) |
IEC 60050-101:1998 | International Electrotechnical Vocabulary (IEV) - Part 101: Mathematics |
HD 323.2.28 : 200S1 | BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - GUIDANCE FOR DAMP HEAT TESTS |
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV | Degrees of protection provided by enclosures (IP Code) |
IEC 60755:2017 | General safety requirements for residual current operated protective devices |
EN 60695-2-10:2013 | Fire hazard testing - Part 2-10: Glowing/hot-wire based test methods - Glow-wire apparatus and common test procedure |
IEC 60417-2:1998 | Graphical symbols for use on equipment - Part 2: Symbol originals |
EN 45020:2006 | Standardization and related activities - General vocabulary (ISO/IEC Guide 2:2004) |
IEC 60364-4-443:1995+AMD1:1998 CSV | Electrical installations of buildings - Part 4: Protection for safety - Chapter 44: Protection against overvoltages - Section 443: Protection against overvoltages of atmospheric origin or due to switching |
IEC 60051:1973 | Recommendations for direct acting indicating electrical measuring instruments and their accessories |
ISO/IEC Guide 2:2004 | Standardization and related activities — General vocabulary |
IEC 60664-3:2016 | Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution |
IEC 60068-2-28:1990 | Environmental testing - Part 2: Tests. Guidance for damp heat tests |
EN 60529:1991/AC:2016-12 | DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015) |
EN 45020 : 2006 | STANDARDIZATION AND RELATED ACTIVITIES - GENERAL VOCABULARY |
EN 61557-8:2015/AC:2016-06 | 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 8: Insulation monitoring devices for IT systems |
IEC 61557-8:2014 | 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 8: Insulation monitoring devices for IT systems |
IEC 60695-2-10:2013 | Fire hazard testing - Part 2-10: Glowing/hot-wire based test methods - Glow-wire apparatus and common test procedure |
IEC 60664-1:2007 | Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests |
EN 55014-1:2017 | Electromagnetic compatibility - Requirements for household appliances, electric tools and similar apparatus - Part 1: Emission |
IEC 60068-2-30:2005 | Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle) |
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