BIFFI ICON 2000 - Page 209

Electric Actuator ICON2000/ICON2000AD
ADDENDUM G to INSTRUCTION HANDBOOK MAN 618
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7
Class I and ATEX Gas Temperature Class Comparison
Zone 0, 1,
and 2
Class I
Division 1 and
2
Maximum
Temperature
T1 T1 450°C (842°F)
T2 T2 300°C (572°F)
T2A 280°C (536°F)
T2B 260°C (500°F)
T2C 230°C (446°F)
T2D 215°C (419°F)
T3 T3 200°C (392°F)
T3A 180°C (356°F)
T3B 165°C (329°F)
T3C 160°C (320°F)
T4 T4 135°C (275°F)
T4A 120°C (248°F)
T5 T5 100°C (212°F)
T6 T6 85°C (185°F)
Class II Surface Temperatures