CHAPTER
7
SPECIAL CONDITION OF USE AND
APPROVED STANDARDS
Approval Rating of CN100
Certification Approval Rating
CSA Class I, Division 2, Group A,B,C,D; T4
Ex ec IIC T4 Gc
Class I, Zone 2
AEx ec IIC T4 Gc
AEx nA IIC T4 Gc
ATEX
II 3 G Ex ec IIC T4 Gc
IECEx
Ex ec IIC T4 Gc
ATTENTION: Classification of maximum surface temperatures for Group II
electrical equipment are:
Temperature class: Maximum surface temperature ℃:
T1 450
T2 300
T3 200
T4 135
T5 100
T6 85
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