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AS 2380.9-1991

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Electrical equipment for explosive atmospheres - Explosion-protection techniques Type of protection n - Non-sparking
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-30-2017

Language(s)

English

Published date

06-10-1991

Preview

1 - AS 2380.9-1991 ELECTRICAL EQUIPMENT FOR EXPLOSIVE ATMOSPHERES - EXPLOSION-PROTECTION TECHNIQUES - TYPE OF PROTECTION n - NON-
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 REFERENCED DOCUMENTS
6 - 1.3 DEFINITIONS
6 - 1.3.1 Type of protection ‘n’
6 - 1.3.2 Normal operation
7 - 1.3.3 Restricted-breathing enclosure
7 - 1.3.4 Enclosed-break device
7 - 1.3.5 Non-incendive component
7 - 1.3.6 Hermetically-sealed device
7 - 1.3.7 Sealed device
7 - 1.3.8 Energy-limited equipment and circuits
7 - 1.3.9 Separation
7 - 1.4 GROUPING OF EQUIPMENT
7 - 1.5 MARKING
8 - SECTION 2 REQUIREMENTS FOR THE CONSTRUCTION OF ALL ELECTRICAL EQUIPMENT
8 - 2.1 SCOPE OF SECTION
8 - 2.2 POTENTIAL IGNITION SOURCES
8 - 2.3 ENCLOSURES
8 - 2.3.1 General
8 - 2.3.2 Degree of protection
8 - 2.4 CONNECTION FACILITIES
8 - 2.4.1 General
8 - 2.4.2 Connections for external conductors
9 - 2.4.3 Internal connections and wiring
9 - 2.5 CLEARANCES, SEPARATIONS AND CREEPAGE DISTANCES
9 - 2.6 WINDINGS
10 - SECTION 3 SUPPLEMENTARY REQUIREMENTS FOR NON-SPARKING EQUIPMENT
10 - 3.1 ROTATING MACHINES
10 - 3.1.1 Temperature class
10 - 3.1.2 Bars
10 - 3.1.3 Clearance for fans
10 - 3.1.4 Earth terminal
10 - 3.1.5 Degree of protection of terminal boxes
10 - 3.1.6 Operation with a non-sinusoidal supply
10 - 3.2 FUSES AND FUSE ASSEMBLIES
10 - 3.2.1 Fuse requirements
10 - 3.2.2 Fuse temperature
10 - 3.3 PLUGS AND SOCKET-OUTLETS AND SIMILAR CONNECTORS
10 - 3.3.1 Mechanical requirements for internal connections
10 - 3.3.2 Identification of internal connections
10 - 3.3.3 External connections
10 - 3.3.4 General purpose socket-outlets
11 - 3.4 LUMINAIRES DESIGNED FOR MAINS SUPPLY
11 - 3.4.1 Temperature class
11 - 3.4.2 Enclosure
11 - 3.4.3 Connections
11 - 3.4.4 Bayonet lampholder design
11 - 3.4.5 Screw lampholder design
11 - 3.4.6 Bi-pin lampholders for tubular fluorescent lamps
11 - 3.4.7 Compliance with other Standards
11 - 3.4.8 Starters for fluorescent lamps
11 - 3.4.9 Starter holders
11 - 3.5 INSTRUMENTS AND LOW POWER EQUIPMENT
12 - SECTION 4 SUPPLEMENTARY REQUIREMENTS FOR EQUIPMENT PRODUCING OPERATIONAL ARCS, SPARKS OR HOT SURFACES
12 - 4.1 GENERAL
12 - 4.2 ENCLOSED-BREAK DEVICES AND NON-INCENDIVE COMPONENTS
12 - 4.2.1 Rating
12 - 4.2.2 Construction
12 - 4.3 HERMETICALLY-SEALED DEVICES
12 - 4.4 SEALED DEVICES
12 - 4.4.1 Construction
12 - 4.4.2 Gasket seals
12 - 4.4.3 Poured seals
12 - 4.4.4 Damage to seals
12 - 4.5 ENERGY-LIMITED EQUIPMENT AND CIRCUITS
13 - 4.6 RESTRICTED-BREATHING ENCLOSURES
13 - 4.6.1 General
13 - 4.6.2 Constructional requirements
14 - SECTION 5 VERIFICATION AND TESTS
14 - 5.1 TYPE VERIFICATION AND TESTS
14 - 5.2 DIELECTRIC STRENGTH TEST
14 - 5.3 TESTS FOR ENCLOSED-BREAK DEVICES AND NON-INCENDIVE COMPONENTS
14 - 5.3.1 Preparation of sample prior to type test
14 - 5.3.2 Tests
14 - 5.4 TEST FOR SEALED DEVICES
15 - 5.5 TEST FOR ENERGY-LIMITED EQUIPMENT AND CIRCUITS
15 - 5.5.1 General
15 - 5.5.2 Maximum voltage and current levels
15 - 5.5.3 Spark-test apparatus
15 - 5.5.4 Procedure
15 - 5.6 TESTS FOR RESTRICTED-BREATHING ENCLOSURES
15 - 5.6.1 General
15 - 5.6.2 Diffusion half-time test
16 - 5.6.3 Pressure half-time test
16 - 5.6.4 Air flow test
16 - 5.7 GASKET AND SEAL TEST
17 - APPENDIX A - RESTRICTED-BREATHING ENCLOSURES
17 - A1 RESTRICTED-BREATHING CONCEPT
17 - A2 PRINCIPLES OF THE CONCEPT
17 - A3 EXPLANATION OF TERMS
17 - A4 THEORY AND TEST REQUIREMENTS
18 - A5 CALCULATION OF TEST PARAMETERS

Specifies design, construction and testing requirements for non-sparking electrical equipment for use in explosive atmospheres. Includes the requirements for enclosed-break devices and non-incendive components, sealed devices and restricted-breathing enclosures. Technically similar to IEC 79-15.

This Standard specifies requirements for the design, construction and testing of non-sparking type electrical equipment, intended for use in Class 1 Zone 2 hazardous areas.This Standard supplements AS 2380.1, except for the requirements of the following clauses which do not apply:2.1.4 Enclosed equipment2.2 Enclosures of non-metallic material2.3.2 Group II equipment2.9.3 Bonding facilities2.11.2 Conduit entry3.3 Enclosures containing fuses3.4 Plugs and socket-outlets5.2.2 Drop test5.6 Thermal shock test

Committee
EL-014
DocumentType
Standard
ISBN
0 7262 6909 3
Pages
16
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

First published as AS 2238-1979.Second edition 1982.Revised and redesignated AS 2380.9-1991. First published as AS 2238-1979. Second edition 1982. Revised and redesignated AS 2380.9-1991.

AS 3137-1992 Approval and test specification - Luminaires (lighting fittings)
AS 2420-1987 Fire test methods for solid insulating materials and non-metallic enclosures used in electrical equipment
AS 2380.1-1989 Electrical equipment for explosive atmospheres - Explosion-protection techniques General requirements (Reconfirmed 2013)
AS 3008.1-1989 Electrical installations - Selection of cables - Cables for alternating voltages up to and including 0.6/1 kV
AS 2380.6-1988 Electrical equipment for explosive atmospheres - Explosion-protection techniques Increased safety
AS/NZS 3117:2007 Approval and test specification - Bayonet lampholders
AS 3117-1994 Approval and test specification - Bayonet lampholders
AS 3000-1986 Electrical installations - Buildings, structures and premises (known as the SAA Wiring Rules)
AS 1468-1974 Ballasts for high pressure mercury vapour and low pressure sodium vapour discharge lamps
AS 1939-1990 Degrees of protection provided by enclosures for electrical equipment (IP Code)
AS 1194.1-1984 Winding wires - Enamelled round copper winding wires
AS 2380.7-1987 Electrical equipment for explosive atmospheres - Explosion-protection techniques - Intrinsic safety i
AS 3140-1994 Approval and test specification - Edison-type screw lampholders
AS/NZS 1194.1:1996 Winding wires Enamelled round copper winding wires

AS 1681-2002 Safety requirements for electrically heated Type 1 ovens in which flammable volatiles occur (Reconfirmed 2013)
AS/NZS 2290.1:2005 Electrical equipment for coal mines - Introduction and maintenance - For hazardous areas
AS 2809.5-2001 Road tank vehicles for dangerous goods Tankers for bitumen-based products
AS/NZS 3800:2005 Electrical equipment for explosive atmospheres - Repair and overhaul
AS/NZS 3800:1997 Electrical equipment for explosive atmospheres - Overhaul and repair
AS 60204.11-2006 Safety of machinery - Electrical equipment of machines Requirements for HV equipment for voltages above 1000 V a.c. or 1500 V d.c and not exceeding 36 kV (IEC 60204-11, Ed. 1.0 (2000) MOD)
AS 3007.3-2004 Electrical installations - Surface mines and associated processing plant - General requirements for equipment and ancillaries
AS/NZS 2381.1:2005 Electrical equipment for explosive gas atmospheres - Selection, installation and maintenance - General requirements
AS 1755-2000 Conveyors - Safety requirements
AS 60204.1-2005 Safety of machinery - Electrical equipment of machines General requirements (IEC 60204-1, Ed. 5 (FDIS) MOD)
AS/NZS 4783.2:2002 Performance of electrical lighting equipment - Ballasts for fluorescent lamps Energy labelling and minimum energy performance standards requirements (Reconfirmed 2013)
AS 2809.3-1999 Road tank vehicles for dangerous goods - Tankers for compressed liquefiable gases
AS/NZS 4871.3:2002 Electrical equipment for coal mines, for use underground Substations
HB 13-2000 Electrical equipment for hazardous areas
MP 69-1993 Explosion-protected electrical equipment - Certification scheme - Policy
AS/NZS 60079.14:2009 Explosive atmospheres Electrical installations design, selection and erection (IEC 60079-14, Ed. 4.0 (2007) MOD)
AS 3007.4-2004 Electrical installations - Surface mines and associated processing plant - Additional requirements for specific applications

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