IEC 61204-7 : 2.0
IEC 61204-7 : 2.0
LOW-VOLTAGE SWITCH MODE POWER SUPPLIES - PART 7: SAFETY REQUIREMENTS
International Electrotechnical Committee
LOW-VOLTAGE SWITCH MODE POWER SUPPLIES - PART 7: SAFETY REQUIREMENTS
International Electrotechnical Committee
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
Describes the safety requirements for switch mode power supply (SMPS) units supplied by source voltages up to 1000 V AC or 1500 V DC providing AC and/or DC output(s), except inverter output(s) establishing AC mains.
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Committee | TC 22 |