AS/NZS 4871.2:2010

1 - AS/NZS 4871.2:2010 ELECTRICAL EQUIPMENT FOR MINES AND QUARRIES - DISTRIBUTION, CONTROL AND AUXILIARY EQUIPMENT
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 APPLICATION
6 - 1.3 REFERENCED DOCUMENTS
7 - 1.4 DEFINITIONS
7 - 1.5 EXISTING EQUIPMENT
8 - SECTION 2 COMMON REQUIREMENTS
8 - 2.1 GENERAL
8 - 2.2 ELECTRICAL EQUIPMENT
8 - 2.2.1 Enclosures
8 - 2.2.2 Coupling of enclosures
8 - 2.3 MEANS FOR ISOLATION
9 - SECTION 3 ANCILLARY PLANT
9 - 3.1 GENERAL
9 - 3.2 ELECTRICAL PROTECTION SYSTEMS FOR AUXILIARY FANS
9 - 3.2.1 General requirements for auxiliary fans
9 - 3.2.2 Additional requirements for fans used with explosive gases
10 - 3.3 CONVEYOR STARTERS
10 - 3.3.1 General requirements for conveyor starters
10 - 3.3.2 Conveyors for use in hazardous areas
10 - 3.4 BELT SPLICING EQUIPMENT
11 - 3.5 WELDING EQUIPMENT
11 - 3.5.1 General
11 - 3.5.2 Isolation
12 - SECTION 4 DISTRIBUTION CONTROL BOXES
12 - 4.1 GENERAL
12 - 4.2 CONSTRUCTION
12 - 4.3 ENCLOSURES
12 - 4.4 MEANS FOR ISOLATION
12 - 4.5 PROTECTION
13 - 4.6 POSITIONING OF OUTLETS
13 - 4.7 LIGHTING
13 - 4.8 LABELLING
14 - SECTION 5 HIGH VOLTAGE SECTION ISOLATORS
14 - 5.1 GENERAL
14 - 5.2 INTERLOCKING
14 - 5.3 RATING OF SWITCHING DEVICES
14 - 5.4 POSITIONING OF OUTLETS
14 - 5.5 EXPLOSION VENTS
15 - 5.6 LABELLING
16 - SECTION 6 SECTION CIRCUIT-BREAKER
16 - 6.1 GENERAL
16 - 6.2 CIRCUIT-BREAKERS
16 - 6.3 UNDERVOLTAGE MECHANISMS
16 - 6.4 RATING
16 - 6.5 PROTECTION
17 - 6.6 REMOTE OPERATION

This Standard specifies requirements for the design, construction and testing of distribution, control and auxiliary equipment intended for mining and quarrying activities and covers any plant intended to be relocated from time to time in association with mining activities. This equipment may include motor starters, distribution and control boxes (DCB), section isolators and section circuit-breakers.

This Standard specifies requirements for the design, construction and testing of distribution, control and auxiliary equipment intended for mining and quarrying activities and covers any plant intended to be relocated from time to time in association with mining activities. This equipment may include motor starters, distribution and control boxes (DCB), section isolators and section circuit-breakers.NOTES:1 For permanent fixed equipment not directly associated with mining and quarrying activities, such as offices, amenities and fixed processing plant, reference should be made to AS/NZS 3000, AS 3007 and AS 2067.2 The requirements of this Standard may be read in conjunction with, but do not take precedence over, regulations of a regulatory authority that may apply in a specific area. 3 This Standard is not intended for equipment covered in AS/NZS 4871, Parts 3 to 5.

First published as part of AS 1039-1972.Second edition 1983.Third edition 1986.AS 2989 first published 1987.Second edition AS 2989-1992.AS 1039-1986 and AS 2989-1992 jointly revised, amalgamated and redesignated in part as AS/NZS 4871.2:2002.Second edition 2010. Originated as part of AS 1039-1972 and AS 2989-1987. AS 1039-1986 and AS 2989-1992 revised, amalgamated and redesignated in part as AS/NZS 4871.2:2002. Second edition 2010.