ДСТУ EN IEC 60079-0:2019 Вибухонебезпечні середовища. Частина 0. Устатковання. Загальні вимоги (EN IEC 60079-0:2018, IDT; IEC 60079-0:2017, IDT)

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EN IEC 60079-0:2018

Explosive atmospheres —
Part 0: Equipment — General requirements

прийнято як національний стандарт
методом «підтвердження» за позначенням
Відповідає офіційному тексту

ДСТУ EN IEC 60079-0:2019
(EN IEC 60079-0:2018, IDT; IEC 60079-0:2017, IDT)

Вибухонебезпечні середовища.
Частина 0. Устатковання. Загальні вимоги

З наданням чинності від 2020–01–01

CONTENTS

FOREWORD

1 Scope

2 Normative references

3 Terms and definitions

4 Equipment grouping

4.1 General

4.2 Group I

4.3 Group II

4.4 Group III

4.5 Equipment for a particular explosive gas atmosphere

5 Temperatures

5.1 Environmental influences

5.2 Service temperature

5.3 Maximum surface temperature

6 Requirements for all equipment

6.1 General

6.2 Mechanical strength of equipment

6.3 Opening times

6.4 Circulating currents in enclosures (e.g. of large electric machines)

6.5 Gasket retention

6.6 Electromagnetic and ultrasonic energy radiating equipment

7 Non-metallic enclosures and non-metallic parts of enclosures

7.1 General

7.2 Thermal endurance

7.3 Resistance to ultraviolet light

7.4 Electrostatic charges on external non-metallic materials

7.5 Attached external conductive parts

8 Metallic enclosures and metallic parts of enclosures

8.1 Material composition

8.2 Group I

8.3 Group II

8.4 Group III

8.5 Copper Alloys

9 Fasteners

9.1 General

9.2 Special fasteners

9.3 Holes for special fasteners

9.4 Hexagon socket set screws

10 Interlocking devices

11 Bushings

12 (Reserved for future use)

13 Ex Components

13.1 General

13.2 Mounting

13.3 Internal mounting

13.4 External mounting

13.5 Ex Component certificate

14 Connection facilities

14.1 General

14.2 Type of protection

14.3 Creepage and clearance

15 Connection facilities for earthing or bonding conductors

15.1 Equipment requiring earthing or bonding

15.2 Equipment not requiring earthing

15.3 Size of protective earthing conductor connection

15.4 Size of equipotential bonding conductor connection

15.5 Protection against corrosion

15.6 Secureness of electrical connections

15.7 Internal earth continuity plate

16 Entries into enclosures

16.1 General

16.2 Identification of entries

16.3 Cable glands

16.4 Blanking elements

16.5 Thread adapters

16.6 Temperature at branching point and entry point

16.7 Electrostatic charges of cable sheaths

17 Supplementary requirements for electric machines

17.1 General

17.2 Ventilation

17.3 Bearings

18 Supplementary requirements for switchgear

18.1 Flammable dielectric

18.2 Disconnectors

18.3 Group I - Provisions for locking

18.4 Doors and covers

19 Reserved for future use

20 Supplementary requirements for external plugs, socket outlets and connectors for field wiring connection

20.1 General

20.2 Explosive gas atmospheres

20.3 Explosive dust atmospheres

20.4 Energized plugs

21 Supplementary requirements for luminaires

21.1 General

21.2 Covers for luminaires of EPL Mb, EPL Gb, or EPL Db

21.3 Covers for luminaires of EPL Gc or EPL Dc

21.4 Sodium lamps

22 Supplementary requirements for caplights and handlights

22.1 Group I caplights

22.2 Group II and Group III caplights and handlights

23 Equipment incorporating cells and batteries

23.1 General

23.2 Interconnection of cells to form batteries

23.3 Cell types

23.4 Cells in a battery

23.5 Ratings of batteries

23.6 Interchangeability

23.7 Charging of primary batteries

23.8 Leakage

23.9 Connections

23.10 Orientation

23.11 Replacement of cells or batteries

23.12 Replaceable battery pack

24 Documentation

25 Compliance of prototype or sample with documents

26 Type tests

26.1 General

26.2 Test configuration

26.3 Tests in explosive test mixtures

26.4 Tests of enclosures

26.5 Thermal tests

26.6 Torque test for bushings

26.7 Non-metallic enclosures or non-metallic parts of enclosures

26.8 Thermal endurance to heat

26.9 Thermal endurance to cold

26.10 Resistance to UV light

26.11 Resistance to chemical agents for Group I equipment

26.12 Earth continuity

26.13 Surface resistance test of parts of enclosures of non-metallic materials

26.14 Measurement of capacitance

26.15 Verification of ratings of ventilating fans

26.16 Alternative qualification of elastomeric sealing O-rings

26.17 Transferred charge test

27 Routine tests

28 Manufacturer's responsibility

28.1 Conformity with the documentation

28.2 Certificate

28.3 Responsibility for marking

29 Marking

29.1 Applicability

29.2 Location

29.3 General

29.4 Ex marking for explosive gas atmospheres

29.5 Ex marking for explosive dust atmospheres

29.6 Combined types (or levels) of protection

29.7 Multiple types of protection

29.8 Ga equipment using two independent Gb types (or levels) of protection

29.9 Boundary wall

29.10 Ex Components

29.11 Small Ex Equipment and small Ex Components

29.12 Extremely small Ex Equipment and extremely small Ex Components

29.13 Warning markings

29.14 Cells and batteries

29.15 Electric machines operated with a converter

29.16 Examples of marking

30 Instructions

30.1 General

30.2 Cells and batteries

30.3 Electric machines

30.4 Ventilating fans

30.5 Cable glands

Annex A (normative) Supplementary requirements for cable glands

Annex B (normative) Requirements for Ex Components

Annex C (informative) Example of rig for resistance to impact test

Annex D (informative) Electric machines connected to converters

Annex E (informative) Temperature evaluation of electric machines

Annex F (informative) Guidance flowchart for tests of non-metallic enclosures or non­metallic parts of enclosures (26.4)

Annex G (informative) Guidance flowchart for tests of cable glands

Annex H (informative) Shaft voltages resulting in motor bearing or shaft brush sparking Discharge energy calculation

Bibliography