Technical data
TR-Electronic GmbH 2013, All Rights Reserved
Printed in the Federal Republic of Germany
Page 20 of 29
TR - ECE - BA - GB - 0101 - 05
02/21/2018
4.5.2 Ex-labeling, dust
II 3D Ex tc IIIC T80°C IP64 X
II
3D
Ex
tc
III
C
T80°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
Subgroup ..............................................................
C
: Type of dust: conductive dust
Temperature ..........................................................
T80°C
: max. enclosure surface-temperature
80 °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 15
2
Observe instructions for plug connections / mating plugs, see chapter 2.12 on page 15