ISA 61241-1 : 2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRICAL APPARATUS FOR USE IN ZONE 20, ZONE 21 AND ZONE 22 HAZARDOUS (CLASSIFIED) LOCATIONS - PROTECTION BY ENCLOSURES "TD"
Hardcopy
03-12-2013
English
01-01-2006
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Construction
5 Practice A and practice B
6 Requirements for electrical apparatus protected by enclosures
for practice A for use in zones 21 and 22
6.1 General
6.2 Joints
7 Requirements for electrical apparatus protected by enclosures
for practice B for use in zone 21 or 22
7.1 General
7.2 Joints
7.3 Operating rods, spindles or shafts
7.4 Clearance of bolts
8 Verification and tests
8.1 General
8.2 Type tests
9 Marking
Annex A - U.S. major deviations
Bibliography
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