European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH
www.e2s.com
Tel: +44 (0)208 743 8880
Document No. D199-00-601-IS
Issue 4
17-01-22
Sheet 2 of 8
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
Standards
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:
Rating Codes
STExC1X05DC012
STExC1X05DC024
STExC1X05DC048
Ex db IIC T5 Gb Ta -50°C to +50°C
Ex db IIC T4 Gb Ta -50°C to +70°C
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:
II 2G
II 2D
CE Marking and
Notified Body No.
2813
Certificate No.
DEMKO 16 ATEX 1466X
IECEx ULD 16.0017X
4) Zones, Gas Group, Category and
Temperature Classification
The units can be installed in locations with the following
conditions:
Area Classification
Zone 1
Explosive gas air mixture likely to occur in
normal operation.
Zone 2
Explosive gas air mixture not likely to occur in
normal operation, and if it does, it will only exist
for a short time.
Zone 21
Explosive dust air mixture likely to occur in
normal operation.
Zone 22
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
Group IIA
Propane
Group IIB
Ethylene
Group IIC
Hydrogen and Acetylene
Temperature Classification for Gas Applications
T1
450
o
C
T2
300
o
C
T3
200
o
C
T4
135
o
C
(up to 70ºC ambient)
T5
100ºC
(DC up to 50ºC ambient, AC up to 45ºC ambient)
Dust Groupings
Group IIIA
Combustible Flyings
Group IIIB
Non-conductive Dust
Group IIIC
Conductive Dust
Maximum Surface Temperature for Dust Applications
STExC1X05
DC 114ºC
AC 117 ºC
Equipment Category
2G / 2D
Equipment Level Protection
Gb, Gc, Db, Dc
Ambient Temperature Range
-50°C to +70°C
IP Rating
IP6X to EN/IEC60079-0
IP66 to EN60529
