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ISA 12.25.01 : 1998

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

ELECTRICAL APPARATUS FOR USE IN CLASS 1, ZONE 1 HAZARDOUS (CLASSIFIED) LOCATIONS: TYPE OF PROTECTION - POWDER FILLING "Q"

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-10-1998

Superseded date

15-07-2005

Superseded by

ISA 60079-5 : 1998

General Notes
Foreword (UL)
National Differences
Foreword (ISA)
1 Scope
2 Normative references
3 Definitions
4 Constructional requirements
  4.1 Enclosure
  4.2 Filling material
  4.3 Distances
  4.4 Use of materials
  4.5 External connections
  4.6 Energy storing devices
  4.7 Temperature limitations
  4.8 Fault conditions
5 Verifications and tests
  5.1 Type verifications and tests
  5.2 Routine verifications and tests
6 Marking
Annex A (informative) - United States major deviations
Annex B (informative) - Editorial differences between
                        ANSI/UL 60079-5 and
                        ANSI/ISA-12.25.01-1998 (IEC 60079-5 Mod)
Annex C (informative) - National differences types noted in
                        ANSI/UL 60079-5

This standard contains the specific requirements for the construction, testing and marking of electrical apparatus, parts of electrical apparatus and Ex components in the type of protection powder filling “q”, intended for use in potentially explosive atmospheres of gas, vapor and mist.

Committee
SP12
DevelopmentNote
Formerly it was ISA-S12.25.01 (05/2001) Renumbered as ISA 60079-5 (09/2005)
DocumentType
Standard
ISBN
1-55617-650-3
Pages
40
PublisherName
International Society of Automation
Status
Superseded
SupersededBy

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