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4.5.2 Ex-labeling, dust
II 3D Ex tc IIIB T95°C IP64 X respectively II 3D Ex tc IIIC T95°C IP64 X
II 3D Ex tc III B T95°C
IP64 X
II 3D Ex tc III C T95°C
IP64 X
special conditions
Type of protection
Temperature
Subgroup (IEC/CENELEC)
Group (IEC/CENELEC)
Ignition protection type (IEC/CENELEC)
Labeling (IEC/CENELEC)
Device category (ATEX)
Device group (ATEX)
Ex-labeling (ATEX)
Device group ................................
II: potentially dust-explosive areas
Device category ................................
3D: Zone 22
adequate safety with normal operation
Ignition protection type
...........................
tc: Protection by enclosure
with adherence to the type of protection and within the
surface temperature limits, Ex-atmosphere cannot be
ignited
Group .........................................................
III: potentially dust-explosive areas
B: ................................
Type of dust: nonconductive dust
C: ................................
Type of dust: conductive dust
Temperature ................................
T95°C: max. enclosure surface-temperature ≤ 95 °C
2
Protection class ................................
IP64: Degrees of protection provided by enclosures
according to DIN EN 60529
Special conditions................................
X: see chapter 2.12 on page 16
2
Observe instructions for safe use, see chapter 2.12 on page 16
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