ДСТУ EN IEC 61204-7:2018 Джерела електроживлення низьковольтних перемикачів. Частина 7. Вимоги щодо безпеки (EN IEC 61204-7:2018, IDT; IEC 61204-7:2016, IDT)

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Наказ від 13.12.2018 № 486

EN IEC 61204-7:2018

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

прийнято як національний стандарт
методом «підтвердження» за позначенням
 

ДСТУ EN IEC 61204-7:2018
(EN IEC 61204-7:2018, IDT; IEC 61204-7:2016, IDT)

Джерела електроживлення постійного струму низьковольтні.
Частина 7. Вимоги щодо безпеки

З наданням чинності від 2018–12–17

CONTENTS

FOREWORD

INTRODUCTION

0 Principles of safety

0.1 General

0.2 Hazards

0.3 Materials and components

1 Scope

1.1 Equipment covered by this document

1.2 Exclusions

1.3 Additional requirements

2 Normative references

3 Terms and definitions

3.100 General

4 Protection against hazards

4.1 General

4.2 Fault and abnormal conditions

4.3 Short circuit and overload protection

4.4 Protection against electric shock

4.5 Protection against electrical energy hazards

4.6 Protection against fire and thermal hazards

4.7 Protection against mechanical hazards

4.8 Equipment with multiple sources of supply

4.9 Protection against environmental stresses

4.10 Protection against sonic pressure hazards

4.11 Wiring and connections

4.12 Enclosures

5 Test requirements

5.1 General

5.2 Test specifications

6 Information and marking requirements

6.1 General

6.2 Information for selection

6.3 Information for installation and commissioning

6.4 information for use

6.5 Information for maintenance

7 Components

7.1 General

7.2 Switches

7.3 Overtemperature protection devices (thermal cut-offs or thermal links)

7.4 PTC thermistors

7.5 Overcurrent protective devices

7.6 Protective devices not mentioned in 7.2 to 7.5

7.7 Transformers

7.8 Motors

7.9 Mains supply cords

7.10 Surge Protective Devices (SPDs)

7.11 Wound components

7.13 Capacitors and RC units bridging insulation

7.14 Optocouplers bridging insulation

7.15 Relays

7.16 Electrolytic capacitors

Annex А (normative) Additional information for protection against electric shock

Annex В (informative) Considerations for the reduction of the pollution degree

Annex C (informative) Symbols referred to in lEC 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 К (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 ІЕС 61204-7 clause 4.4.1 - 4.4.5 for protection against electrical shock

Bibliography