Name: BIS IS/IEC 60079-11 : 2006
Brand: BIS

EXPLOSIVE ATMOSPHERES - PART 11: EQUIPMENT PROTECTION BY INTRINSIC SAFETY 'I'

Published date

12-01-2013

Publisher

Bureau of Indian Standards

1 Scope
2 Normative references
3 Terms and definitions
4 Grouping and classification of intrinsically safe
   apparatus and associated apparatus
5 Levels of protection and ignition compliance
   requirements of electrical apparatus
6 Apparatus construction
7 Components on which intrinsic safety depends
8 Infallible components, infallible assemblies of
   components and infallible connections on which
   intrinsic safety depends
9 Diode safety barriers
10 Type verifications and type tests
11 Routine verifications and tests
12 Marking
13 Documentation
Annex A (normative) - Assessment of intrinsically safe
        circuits
Annex B (normative) - Spark test apparatus for intrinsically
        safe circuits
Annex C (informative) - Measurement of creepage distances,
        clearances and separation distances
        through casting compound and through
        solid insulation
Annex D (normative) - Encapsulation
Annex E (informative) - Transient energy test
Annex F (normative) - Alternative separation distances for
        assembled printed circuit boards and
        separation of components
Bibliography

Defines the construction and testing of intrinsically safe apparatus intended for use in an explosive gas atmosphere and for associated apparatus, which is intended for connection to intrinsically safe circuits which enter such atmospheres.

Committee	ETD 22
DevelopmentNote	Supersedes BIS IS 5780. (02/2009)
DocumentType	Standard
PublisherName	Bureau of Indian Standards
Status	Current
Supersedes	BIS IS 5780 : 2002 AMD 1

BIS SP 72 : 2010(R2014)	NATIONAL LIGHTING CODE 2010
BIS IS/IEC 60079-25 : 2010	EXPLOSIVE ATMOSPHERES - PART 25: INTRINSICALLY SAFE ELECTRICAL SYSTEMS
BIS IS/IEC 60079-0 : 2011	EXPLOSIVE ATMOSPHERES - PART 0: GENERAL REQUIREMENTS
BIS IS/IEC 60079-18 : 2009	EXPLOSIVE ATMOSPHERES - PART 18: EQUIPMENT PROTECTION BY ENCAPSULATION 'M'
BIS IS/IEC 60079-1 : 2007	EXPLOSIVE ATMOSPHERES - PART 1: EQUIPMENT PROTECTION BY FLAMEPROOF ENCLOSURES 'D'
BIS IS/IEC 60079-7 : 2006	EXPLOSIVE ATMOSPHERES - PART 7: EQUIPMENT PROTECTION BY INCREASED SAFETY 'E'

BIS IS/IEC 127-1 : 1988(R2002)	MINIATURE FUSES - PART 1: DEFINITION FOR MINIATURE FUSES AND GENERAL REQUIREMENTS FOR MINIATURE FUSE LINKS - SPECIFICATION
IEC 60112:2003+AMD1:2009 CSV	Method for the determination of the proof and the comparative tracking indices of solid insulating materials
BIS IS/IEC 60079-7 : 2006	EXPLOSIVE ATMOSPHERES - PART 7: EQUIPMENT PROTECTION BY INCREASED SAFETY 'E'
BIS IS 12063 : 1987(R2004)	CLASSIFICATION OF DEGREES OF PROTECTION PROVIDED BY ENCLOSURES OF ELECTRICAL EQUIPMENT
IEC 60317-3:2004+AMD1:2010 CSV	Specifications for particular types of winding wires - Part 3: Polyester enamelled round copper wire, class 155
IEC 60317-7:1990+AMD1:1997+AMD2:1997 CSV	Specifications for particular types of winding wires - Part 7: Polyimide enamelled round copper wire, class 220
BIS IS 13730-3 : 2012(R2017)	SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES - PART 3: POLYESTER ENAMELLED ROUND COPPER WIRE, CLASS 155
BIS IS 1271 : 2012	ELECTRICAL INSULATION - THERMAL EVALUATION AND DESIGNATION
IPC 2152 : 0	STANDARD FOR DETERMINING CURRENT CARRYING CAPACITY IN PRINTED BOARD DESIGN
BIS IS 13730-13 : 2014	SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES - PART 13: POLYESTER OR POLYESTERIMIDE OVERCOATED WITH POLYAMIDE-IMIDE ENAMELLED ROUND COPPER WIRE, CLASS 200
BIS IS/IEC 127-2 : 1989(R2002)	MINIATURE FUSES - PART 2: CARTRIDGE FUSE LINKS - SPECIFICATION
IEC 60317-8:2010	Specifications for particular types of winding wires - Part 8: Polyesterimide enamelled round copper wire, class 180
IEC 60050-426:2008	International Electrotechnical Vocabulary (IEV) - Part 426: Equipment for explosive atmospheres
IEC 60085:2007	Electrical insulation - Thermal evaluation and designation
IEC 60079-27:2008	Explosive atmospheres - Part 27: Fieldbus intrinsically safe concept (FISCO)
IEC 60317-13:2010	Specifications for particular types of winding wires - Part 13: Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire, class 200
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV	Degrees of protection provided by enclosures (IP Code)
BIS IS/IEC 127-6 : 1994(R2007)	MINIATURE FUSES - PART 6: FUSE HOLDERS FOR MINIATURE CARTRIDGE FUSE LINKS - SPECIFICATION
IEC 60079-25:2010	Explosive atmospheres - Part 25: Intrinsically safe electrical systems
BIS IS 15382-3 : 2006	INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PART 3: USE OF COATING POTTING OR MOULDING FOR PROTECTION AGAINST POLLUTION
BIS IS 13730-8 : 2014	SPECIFICATION FOR PARTICULAR TYPES OF WINDING WIRES - PART 8: POLYESTERIMIDE ENAMELLED ROUND COPPER WIRE, CLASS 180
BIS IS/IEC 60079-0 : 2011	EXPLOSIVE ATMOSPHERES - PART 0: GENERAL REQUIREMENTS
IEC 60079-0:2011	Explosive atmospheres - Part 0: Equipment - General requirements
BIS IS 15382-1 : 2014	INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PART 1: PRINCIPLES, REQUIREMENTS AND TESTS
UL 248-1 : 3	LOW-VOLTAGE FUSES - PART 1: GENERAL REQUIREMENTS
IEC 60664-3:2016	Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution
BIS IS 2824 : 2007	METHOD FOR THE DETERMINATION OF THE PROOF AND THE COMPARATIVE TRACKING INDICES OF SOLID INSULATING MATERIALS
BIS IS 13730-7 : 1993(R2003)	SPECIFICATION FOR PARTICULAR TYPES OF WINDING WIRES - PART 7: POLYIMIDE ENAMELLED ROUND COPPER WIRE, CLASS 220
IEC 60664-1:2007	Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
IEC 60079-15:2010	Explosive atmospheres - Part 15: Equipment protection by type of protection "n"
BIS IS/IEC 60079-25 : 2010	EXPLOSIVE ATMOSPHERES - PART 25: INTRINSICALLY SAFE ELECTRICAL SYSTEMS
IEC 61086-1:2004	Coatings for loaded printed wire boards (conformal coatings) - Part 1: Definitions, classification and general requirements