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CENELEC
EN 61557-8:2015/AC:2016-06

EN 61557-8:2015/AC:2016-06

Current

Current

The latest, up-to-date edition.

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

Published date

03-06-2016

Publisher

European Committee for Standards - Electrical

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FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Requirements
5 Marking and operating instructions
6 Tests
7 Overview of requirements and tests for IMDs
Annex A (normative) - Medical insulation monitoring devices
        (MED-IMD)
Annex B (informative) - Monitoring of overload current and
        over-temperature
Annex C (normative) - Insulation monitoring devices for photovoltaic
        systems (PV-IMD)
Annex D (normative) - Insulation monitoring function of a photovoltaic
        inverter (PV-IMF) or in a charge controller
Bibliography
Annex ZA (normative) - Normative references to
         international publications with
         their corresponding European publications

Committee
TC 85X
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

BS EN 61326-2-4:2013 Electrical equipment for measurement, control and laboratory use. EMC requirements Particular requirements. Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9
UNE-HD 50573-5-57:2014 Co-ordination of electrical equipment for protection, isolation, switching and control
BS EN 61851-23:2014 Electric vehicle conductive charging system DC electric vehicle charging station
NF EN 62020 : 1999 AMD 1 2005 ELECTRICAL ACCESSORIES - RESIDUAL CURRENT MONITORS FOR HOUSEHOLD AND SIMILAR USES (RCMS)
S.R. HD 60364-5-557:2013 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-557: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - AUXILIARY CIRCUITS
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 50502:2015 Railway applications - Rolling stock - Electric equipment in trolley buses - Safety requirements and current collection systems
HD 60364-7-717:2010/AC:2014 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 7-717: REQUIREMENTS FOR SPECIAL INSTALLATIONS OR LOCATIONS - MOBILE OR TRANSPORTABLE UNITS
EN 61557-15:2014 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 15: Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems
HD 60364-5-557:2013/A11:2016 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-557: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - AUXILIARY CIRCUITS
S.R. HD 60364-7-712:2016 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 7-712: REQUIREMENTS FOR SPECIAL INSTALLATIONS OR LOCATIONS - PHOTOVOLTAIC (PV) SYSTEMS
I.S. EN 61851-23:2014 ELECTRIC VEHICLE CONDUCTIVE CHARGING SYSTEM - PART 23: DC ELECTRIC VEHICLE CHARGING STATION
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. HD 50573-5-57:2014 CO-ORDINATION OF ELECTRICAL EQUIPMENT FOR PROTECTION, ISOLATION, SWITCHING AND CONTROL
I.S. EN 61326-2-4:2013 ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE - EMC REQUIREMENTS - PART 2-4: PARTICULAR REQUIREMENTS - TEST CONFIGURATIONS, OPERATIONAL CONDITIONS AND PERFORMANCE CRITERIA FOR INSULATION MONITORING DEVICES ACCORDING TO IEC 61557-8 AND FOR EQUIPMENT FOR INSULATION FAULT LOCATION ACCORDING TO IEC 61557-9 (IEC 61326-2-4:2012 (EQV))
S.R. HD 60364-5-551:2010 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-55: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - OTHER EQUIPMENT - CLAUSE 551: LOW-VOLTAGE GENERATING SETS
I.S. EN 50502:2015 RAILWAY APPLICATIONS - ROLLING STOCK - ELECTRIC EQUIPMENT IN TROLLEY BUSES - SAFETY REQUIREMENTS AND CURRENT COLLECTION SYSTEMS
S.R. HD 60364-7-722:2016 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 7-722: REQUIREMENTS FOR SPECIAL INSTALLATIONS OR LOCATIONS - SUPPLIES FOR ELECTRIC VEHICLES
I.S. HD 60364-7-717:2010 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 7-717: REQUIREMENTS FOR SPECIAL INSTALLATIONS OR LOCATIONS - MOBILE OR TRANSPORTABLE UNITS
I.S. EN 61557-9:2015 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 9: EQUIPMENT FOR INSULATION FAULT LOCATION IN IT SYSTEMS
UNE-HD 60364-7-712:2017 Low-voltage electrical installations - Part 7-712: Requirements for special installations or locations - Photovoltaic (PV) systems
UNE-HD 60364-7-710:2014 Low-voltage electrical installations - Part 7-710: Requirements for special installations or locations - Medical locations
UNE-HD 60364-5-53:2016 Low-voltage electrical installations - Part 5-53: Selection and erection of electrical equipment - Switchgear and controlgear
14/30316181 DC : 0 BS EN 50628 - ERECTION OF ELECTRICAL INSTALLATIONS IN UNDERGROUND MINES
UNE-EN 50502:2016 Railway applications - Rolling stock - Electric equipment in trolley buses - Safety requirements and current collection systems
BS EN 50502:2015 Railway applications. Rolling stock. Electric equipment in trolley buses. Safety requirements and current collection systems
S.R. HD 60364-5-53:2015 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-53: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
HD 60364-7-722:2016 Low-voltage electrical installations - Part 7-722: Requirements for special installations or locations - Supplies for electric vehicles
PREN 50628 : DRAFT 2014 ERECTION OF ELECTRICAL INSTALLATIONS IN UNDERGROUND MINES
BS EN 50628:2016 Erection of electrical installations in underground mines
UNE-EN 61851-23:2015 Electric vehicle conductive charging system - Part 23: DC electric vehicle charging station
UNE-HD 60364-6:2017 Low-voltage electrical installations - Part 6: Verification
EN 62020:1998/A1:2005 ELECTRICAL ACCESSORIES - RESIDUAL CURRENT MONITORS FOR HOUSEHOLD AND SIMILAR USES (RCMS)
I.S. HD 60364-7-710:2012 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 7-710: REQUIREMENTS FOR SPECIAL INSTALLATIONS OR LOCATIONS - MEDICAL LOCATIONS (IEC 60364-7-710:2002 (MOD))
BS EN 62020:1999 Electrical accessories. Residual current monitors for household and similar uses (RCMs)
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 50628:2016 ERECTION OF ELECTRICAL INSTALLATIONS IN UNDERGROUND MINES
EN 61326-2-4:2013 Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9
UNE-HD 60364-7-722:2016 Low-voltage electrical installations - Part 7-722: Requirements for special installations or locations - Supplies for electric vehicles
I.S. EN 61557-15:2014 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 15: FUNCTIONAL SAFETY REQUIREMENTS FOR INSULATION MONITORING DEVICES IN IT SYSTEMS AND EQUIPMENT FOR INSULATION FAULT LOCATION IN IT SYSTEMS
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
HD 50573-5-57:2014 Co-ordination of electrical equipment for protection, isolation, switching and control
CEI EN 61326-2-4 : 2014 ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE - EMC REQUIREMENTS - PART 2-4: PARTICULAR REQUIREMENTS - TEST CONFIGURATIONS, OPERATIONAL CONDITIONS AND PERFORMANCE CRITERIA FOR INSULATION MONITORING DEVICES ACCORDING TO IEC 61557-8 AND FOR EQUIPMENT FOR INSULATION FAULT LOCATION ACCORDING TO IEC 61557-9
BS EN 61557-9:2015 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 insulation fault location in IT systems
BS EN 61557-15:2014 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 Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems
HD 60364-7-710:2012/AC:2013 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 7-710: REQUIREMENTS FOR SPECIAL INSTALLATIONS OR LOCATIONS - MEDICAL LOCATIONS
EN 61851-23:2014/AC:2016-06 ELECTRIC VEHICLE CONDUCTIVE CHARGING SYSTEM - PART 23: DC ELECTRIC VEHICLE CHARGING STATION (IEC 61851-23:2014/COR1:2016)
HD 60364-5-53:2015/A11:2017 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-53: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
OVE/ONORM EN 62020 : AMD 1 2006 ELECTRICAL ACCESSORIES - RESIDUAL CURRENT MONITORS FOR HOUSEHOLD AND SIMILAR USES (RCMS)
EN 61557-9:2015/AC:2017-02 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 9: EQUIPMENT FOR INSULATION FAULT LOCATION IN IT SYSTEMS (IEC 61557-9:2014/COR2:2017)
HD 60364-7-712:2016 Low-voltage electrical installations - Part 7-712: Requirements for special installations or locations - Photovoltaic (PV) systems
HD 60364-5-551:2010/A11:2016 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-55: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - OTHER EQUIPMENT - CLAUSE 551: LOW-VOLTAGE GENERATING SETS
EN 50628:2016 Erection of electrical installations in underground mines
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
UNE-HD 60364-5-557:2014 Low-voltage electrical installations - Part 5-557: Selection and erection of electrical equipment - Auxiliary circuits
UNE-HD 60364-7-717:2013 Low-voltage electrical installations -- Part 7-717: Requirements for special installations or locations - Mobile or transportable units
UNE-HD 60364-5-551:2013 Low-voltage electrical installations -- Part 5-55: Selection and erection of electrical equipment - Other equipment -- Clause 551: Low-voltage generating sets

IEC 60947-5-4:2002 Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests
EN 60027-7:2010 Letter symbols to be used in electrical technology - Part 7: Power generation, transmission and distribution
IEC 60364-7-712:2017 Low voltage electrical installations - Part 7-712: Requirements for special installations or locations - Solar photovoltaic (PV) power supply systems
EN 60721-3-1:1997 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 1: Storage
IEC 61326-2-4:2012 Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9
IEC 60364-7-710:2002 Electrical installations of buildings - Part 7-710: Requirements for special installations or locations - Medical locations
IEC 60068-2-27:2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
IEC 60364-4-41:2005+AMD1:2017 CSV Low voltage electrical installations - Part 4-41: Protection for safety - Protection against electric shock
EN 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold
EN 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
HD 60364-4-41:2017/A11:2017 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 4-41: PROTECTION FOR SAFETY - PROTECTION AGAINST ELECTRIC SHOCK
EN 60947-5-4:2003 Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests
EN 61810-2:2017 Electromechanical elementary relays - Part 2: Reliability
IEC 61010-2-030:2017 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-030: Particular requirements for equipment having testing or measuring circuits
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
IEC 61810-2:2017 Electromechanical elementary relays - Part 2: Reliability
EN 60068-2-27:2009 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
IEC 60691:2015 Thermal-links - Requirements and application guide
IEC 60721-3-2:1997 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 2: Transportation
IEC 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
EN 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
IEC 62109-2:2011 Safety of power converters for use in photovoltaic power systems - Part 2: Particular requirements for inverters
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
HD 60364-7-710:2012/AC:2013 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 7-710: REQUIREMENTS FOR SPECIAL INSTALLATIONS OR LOCATIONS - MEDICAL LOCATIONS
EN 62109-2:2011 Safety of power converters for use in photovoltaic power systems - Part 2: Particular requirements for inverters
IEC 60721-3-3:1994+AMD1:1995+AMD2:1996 CSV Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations
EN 60068-2-6:2008 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)
IEC 60664-3:2016 Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution
CISPR 11:2015 RLV Industrial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement
EN 61140:2016 Protection against electric shock - Common aspects for installation and equipment
IEC 61557-9:2014 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 9: Equipment for insulation fault location in IT systems
IEC 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold
EN 61010-1:2010 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
EN 60721-3-2:1997 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 2: Transportation
IEC 61140:2016 Protection against electric shock - Common aspects for installation and equipment
IEC 61010-1:2010+AMD1:2016 CSV Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
EN 61326-2-4:2013 Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9
IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
IEC 60027-7:2010 Letter symbols to be used in electrical technology - Part 7: Power generation, transmission and distribution
EN 61557-9:2015/AC:2017-02 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 9: EQUIPMENT FOR INSULATION FAULT LOCATION IN IT SYSTEMS (IEC 61557-9:2014/COR2:2017)
EN 60664-3:2017 Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution
IEC 60721-3-1:1997 Classification of environmental conditions - Part 3 Classification of groups of environmental parameters and their severities - Section 1: Storage
EN 60721-3-3 : 95 AMD 2 97 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STATIONARY USE AT WEATHER-PROTECTED LOCATIONS

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