AS/NZS 60079.5:2015

AS/NZS 60079.5:2015 Explosive atmospheres Equipment protection by powdered filling 'q'

English

CONTENTS

FOREWORD

1 Scope

2 Normative references

3 Terms and definitions

4 Constructional requirements

4.1 Containers

4.1.1 Closing and sealing

4.1.2 Pressure test of container

4.1.3 Degree of protection of the container

4.1.4 Filling procedure

4.1.5 Containers that are not external enclosures

4.2 Filling material

4.2.1 Material specification

4.2.2 Documentation

4.2.3 Testing

4.3 Distances

4.3.1 Distances through filling material

4.3.2 Distances surrounding free space

4.4 Connections

4.4.1 Equipment

4.4.2 Ex Components

4.5 Capacitors

4.6 Cells and batteries

4.7 Temperature limitations under overload conditions

4.8 Temperature limitations under malfunction conditions

4.8.1 General

4.8.2 Fuse

4.8.3 Malfunction exclusions

4.8.4 Protective devices for temperature limitation

4.8.5 Power supply prospective short-circuit current

5 Verifications and tests

5.1 Type verifications and tests

5.1.1 Pressure type test of container

5.1.2 Verification of the degree of protection of the enclosure

5.1.3 Dielectric strength test of the filling material

5.1.4 Maximum temperatures

5.2 Routine verifications and tests

5.2.1 Routine pressure test of container

5.2.2 Dielectric strength test of the filling material

6 Marking

7 Instructions

Bibliography

Figures

Figure 1 – Distances through filling material

Figure 2 – Test arrangement for the dielectric strength test of the filling material

Tables

Table 1 – Distances through the filling material

Table 2 – Creepage distances and distances through filling material