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EN IEC 61204-7:2018

Current

Current

The latest, up-to-date edition.

Low-voltage switch mode power supplies - Part 7: Safety requirements

Published date

16-03-2018

FOREWORD
INTRODUCTION
0 Principles of safety
1 Scope
2 Normative references
3 Terms and definitions
4 Protection against hazards
5 Test requirements
6 Information and marking requirements
7 Components
Annex A (normative) - Additional information for
        protection against electric shock
Annex B (informative) - Considerations for the
        reduction of the pollution degree
Annex C (informative) - Symbols referred to in IEC 62477-1
Annex D (normative) - Evaluation of clearance and
        creepage distances
Annex E (informative) - Altitude correction for clearances
Annex F (normative) - Clearance and creepage distance
        determination for frequencies greater than 30 kHz
Annex G (informative) - Cross-sections of round conductors
Annex H (informative) - Guidelines for RCD compatibility
Annex I (informative) - Examples of overvoltage category reduction
Annex J (informative) - Burn thresholds for touchable surfaces
Annex K (informative) - Table of electrochemical potentials
Annex L (informative) - Measuring instrument for touch
        current measurements
Annex M (informative) - Test probes for determining access
Annex AA (normative) - Addition Insulated winding wires
         for use without interleaved insulation
Annex AB (informative) - Minimum and maximum
         cross-section of copper conductors suitable for
         connection to terminals for external conductors
Annex AC (normative) - DC power and distribution equipment
Annex AD (informative) - Addition Examples of protective
         measures according to IEC 61204-7 clause 4.4.1 - 4.4.5
         for protection against electrical shock
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their corresponding
         European publications
Annex ZZ (informative) - Relationship between this
         European Standard and the safety objectives of
         Directive 2014/35/EU [2014 OJ L96] aimed to
         be covered

IEC 61204-7:2016 is available as IEC 61204-7:2016 EXV which includes the provisions of the general rules dealt with in IEC 62477-1:2012.


IEC 61204-7:2016 specifies the safety requirements for switch mode power supply (SMPS) units supplied by source voltages up to 1 000 V AC or 1 500 V DC providing AC and/or DC output(s), except inverter output(s) establishing AC mains. This product standard covers both stand-alone and component SMPS as defined in this document. DC power and distribution equipment which provides, distributes, monitors, and controls isolated secondary circuit power to other equipment typically used in information and communication technology equipment installations. This edition includes the following significant technical changes with respect to the previous edition:

a) use of IEC 62477-1 as reference document, instead of IEC 60950-1;

b) modification of the title by deleting the wording "DC output-" and adding "switch mode".

Committee
CLC/TC 22X
DevelopmentNote
Supersedes & Redesignates EN 61204-7. (03/2018)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

IEC 60695-11-20:2015 Fire hazard testing - Part 11-20: Test flames - 500 W flame test method
IEC 60950-1:2005+AMD1:2009+AMD2:2013 CSV Information technology equipment - Safety - Part 1: General requirements
IEC 61643-321:2001 Components for low-voltage surge protective devices - Part 321: Specifications for avalanche breakdown diode (ABD)
IEC 60738-1:2006+AMD1:2009 CSV Thermistors - Directly heated positive temperature coefficient -Part 1: Generic specification
EN 62368-1:2014/AC:2017-03 AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - PART 1: SAFETY REQUIREMENTS (IEC 62368-1:2014, MODIFIED)
IEC 60384-14:2013+AMD1:2016 CSV Fixed capacitors for use in electronic equipment - Part 14: Sectional specification - Fixed capacitors for electromagnetic interference suppression and connection to the supply mains
IEC 60747-3:2013 Semiconductor devices - Part 3: Discrete devices: Signal, switching and regulator diodes
IEC 60364-4-41:2005+AMD1:2017 CSV Low voltage electrical installations - Part 4-41: Protection for safety - Protection against electric shock
ISO 3864-2:2016 Graphical symbols — Safety colours and safety signs — Part 2: Design principles for product safety labels
IEC 61293:1994 Marking of electrical equipment with ratings related to electrical supply - Safety requirements
EN 61558-1:2005/A1:2009 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
EN 60738-1:2006/A1:2009 THERMISTORS - DIRECTLY HEATED POSITIVE TEMPERATURE COEFFICIENT - PART 1: GENERIC SPECIFICATION
EN 62477-1:2012/A1:2017 SAFETY REQUIREMENTS FOR POWER ELECTRONIC CONVERTER SYSTEMS AND EQUIPMENT - PART 1: GENERAL (IEC 62477-1:2012/A1:2016)
IEC 61810-1:2015 Electromechanical elementary relays - Part 1: General and safety requirements
IEC 60747-5-2:1997+AMD1:2002 CSV Discrete semiconductor devices and integrated circuits - Part 5-2: Optoelectronic devices - Essential ratings and characteristics
IEC 61643-21:2000+AMD1:2008+AMD2:2012 CSV Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
EN 60947-1:2007/A2:2014 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES (IEC 60947-1:2007/A2:2014)
IEC 60851-6:2012 Winding wires - Test methods - Part 6: Thermal properties
IEC 60851-5:2008+AMD1:2011 CSV Winding wires - Test methods - Part 5: Electrical properties
CENELEC GUIDE 32 : 2014 GUIDELINES FOR SAFETY RELATED RISK ASSESSMENT AND RISK REDUCTION FOR LOW VOLTAGE EQUIPMENT
IEC 61643-311:2013 Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT)
EN 60747-5-5:2011/A1:2015 SEMICONDUCTOR DEVICES - DISCRETE DEVICES - PART 5-5: OPTOELECTRONIC DEVICES - PHOTOCOUPLERS (IEC 60747-5-5:2007/A1:2013)
IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
EN 60947-3:2009/A2:2015 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 3: SWITCHES, DISCONNECTORS, SWITCH-DISCONNECTORS AND FUSE-COMBINATION UNITS (IEC 60947-3:2008/A2:2015)
IEC 61558-1:2017 Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests
IEC 60146-1-1:2009 Semiconductor converters - General requirements and line commutated converters - Part 1-1: Specification of basic requirements
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
IEC 61058-1:2016 Switches for appliances - Part 1: General requirements
IEC 60947-1:2007+AMD1:2010+AMD2:2014 CSV Low-voltage switchgear and controlgear - Part 1: General rules
IEC 60851-3:2009+AMD1:2013 CSV Winding wires - Test methods - Part 3: Mechanical properties
EN 61058-1:2002/A2:2008 SWITCHES FOR APPLIANCES - PART 1: GENERAL REQUIREMENTS
IEC 60747-5-1:1997+AMD1:2001+AMD2:2002 CSV Discrete semiconductor devices and integrated circuits - Part 5-1: Optoelectronic devices - General
IEC 61643-331:2003 Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors (MOV)
IEC 60947-3:2008+AMD1:2012+AMD2:2015 CSV Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
EN 60799:1998 Electrical accessories - Cord sets and interconnection cord sets
IEC 61439-1:2011 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
IEC 60747-5-5:2007+AMD1:2013 CSV Semiconductor devices - Discrete devices - Part 5-5: Optoelectronic devices - Photocouplers
IEC 62477-1:2012+AMD1:2016 CSV Safety requirements for power electronic converter systems and equipment - Part 1: General
EN 61010-1:2010 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
EN 61293:1994 Marking of electrical equipment with ratings related to electrical supply - Safety requirements
EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
IEC 60317-43:1997+AMD1:2010 CSV Specifications for particular types of winding wires - Part 43: Aromatic polyimide type wrapped round copper wire, class 240
IEC 61140:2016 Protection against electric shock - Common aspects for installation and equipment
EN 60695-11-5:2017 Fire hazard testing - Part 11-5: Test flames - Needle-flame test method - Apparatus, confirmatory test arrangement and guidance
IEC 61032:1997 Protection of persons and equipment by enclosures - Probes for verification
IEC 60695-11-5:2016 Fire hazard testing - Part 11-5: Test flames - Needle-flame test method - Apparatus, confirmatory test arrangement and guidance
IEC 61010-1:2010+AMD1:2016 CSV Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
ASTM E 162 : 2016 : REDLINE Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source
IEC 62368-1:2014 Audio/video, information and communication technology equipment - Part 1: Safety requirements
EN 60851-5:2008/A1:2011 WINDING WIRES - TEST METHODS - PART 5: ELECTRICAL PROPERTIES (IEC 60851-5:2008)
IEC 60990:2016 Methods of measurement of touch current and protective conductor current
EN 60730-1:2016 Automatic electrical controls - Part 1: General requirements
IEC 60799:1998 Electrical accessories - Cord sets and interconnection cord sets
IEC 60730-1:2013+AMD1:2015 CSV Automatic electrical controls - Part 1: General requirements
EN 60990:2016 Methods of measurement of touch current and protective conductor current

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