E2S STExC1 Instruction Manual page 2

2) Warnings
• DO NOT OPEN WHEN ENERGISED.
• DO NOT OPEN WHEN AN EXPLOSIVE ATMOSPHERE
IS PRESENT
• POTENTIAL ELECTROSTATIC CHARGING HAZARD.
• ALL ENTRIES M20 X 1.5MM.
• IF TEMPERATURE EXCEEDS 70°C AT ENTRY OR 80°C
AT BRANCHING POINT USE SUITABLE RATED CABLE
AND CABLE GLANDS.
• IF OPENING THE UNIT DURING MAINTENANCE
OPERATIONS A CLEAN ENVIRONMENT MUST BE
MAINTAINED AND ANY DUST LAYER REMOVED PRIOR
TO OPENING THE UNIT.
3) Rating & Marking Information
All units have a rating label, which carries the following
important information.
Products may have further approvals, see E2S website for
further details.
ATEX / IECEx Ratings
EN IEC 60079-0:2018 / IEC60079-0:2017 (Ed 7):
Explosive Atmospheres - Equipment. General requirements
EN60079-1:2014 / IEC60079-1:2014 (Ed 7):
Explosive Atmospheres - Equipment protection by flameproof
enclosures "d"
BS EN 60079-31:2014 / IEC 60079-31:2013 (Ed 2):
Explosive Atmospheres - Equipment dust ignition protection
by enclosure "t"
Model No:
STExC1X05DC012 Ex db IIC T5 Gb Ta -50°C to +50°C
STExC1X05DC024 Ex db IIC T4 Gb Ta -50°C to +70°C
STExC1X05DC048 Ex db IIIC T114°C Db Ta -50°C to +70°C
STExC1X05AC230 Ex db IIC T5 Gb Ta -50°C to +45°C
Ex db IIC T4 Gb Ta -50°C to +70°C
Ex db IIIC T117°C Db Ta -50°C to +70°C
Certificate No. DEMKO 16 ATEX 1466X
IECEx ULD 16.0017X
Epsilon x
Equipment Group
and Category:
CE Marking and
Notified Body No.
DEMKO 16 ATEX 1466X
Certificate No.
IECEx ULD 16.0017X
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH
Document No. D199-00-601-IS
Standards
Rating Codes
II 2G
II 2D
2813
Issue 4
4) Zones, Gas Group, Category and
Temperature Classification
The units can be installed in locations with the following
conditions:
Zone 1
Zone 2
Zone 21
Zone 22
Group IIA
Group IIB
Group IIC
Temperature Classification for Gas Applications
T1
T2
T3
T4
T5
Group IIIA
Group IIIB
Group IIIC
Maximum Surface Temperature for Dust Applications
STExC1X05
2G / 2D
Gb, Gc, Db, Dc
-50°C to +70°C
IP6X to EN/IEC60079-0
IP66 to EN60529
17-01-22
Area Classification
Explosive gas air mixture likely to occur in
normal operation.
Explosive gas air mixture not likely to occur in
normal operation, and if it does, it will only exist
for a short time.
Explosive dust air mixture likely to occur in
normal operation.
Explosive dust air mixture not likely to occur in
normal operation, and if it does, it will only exist
for a short time.
Gas Groupings
Propane
Ethylene
Hydrogen and Acetylene
o
450 C
o
300 C
o
200 C
o
135 C
(up to 70ºC ambient)
100ºC
(DC up to 50ºC ambient, AC up to 45ºC ambient)
Dust Groupings
Combustible Flyings
Non-conductive Dust
Conductive Dust
DC 114ºC
AC 117 ºC
Equipment Category
Equipment Level Protection
Ambient Temperature Range
IP Rating
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