_______________________________________________________________________________________________________________________________
European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH [email protected] Tel: +44 (0)208 743 8880
www.e-2-s.com Fax: +44 (0)208 740 4200
Document No.D199-00-101-IS
Issue 1 13-07-16 Sheet 1 of 4
INSTRUCTION MANUAL (ATEX / IECEx)
STExL1 & STExL2 Loudspeakers
For use in Flammable Gas and Dust Atmospheres
1) Warnings
DO NOT OPEN WHEN AN EXPLOSIVE
ATMOSPHERE IS PRESENT
POTENTIAL ELECTROSTATIC CHARGING
HAZARD
ALL ENTRIES M20 X 1.5 - IF TEMPERATURE
EXCEEDS 70°C AT ENTRY OR 80°C AT
BRANCHING POINT USE SUITABLE RATED
CABLE AND CABLE GLANDS
2) Rating & Marking Information
All units have a rating label, which carries the following
important information:-
Input Voltage:
Low Impedance Units 8
Ω
or 16
Ω
Line Voltage Units
70Vline or 100V line
STExL1 Codes
:
Ex db IIC Gb T6 Ta -50°C to +55°C
Ex db IIC Gb T5 Ta -50°C to +70°C
Ex tb IIIC Db T95°C Ta -50°C to +70°C
STExL2 Codes
:
Ex db IIC Gb T6 Ta -50°C to +45°C
Ex db IIC Gb T5 Ta -50°C to +60°C
Ex db IIC Gb T4 Ta -50°C to +70°C
Ex tb IIIC Db T105°C Ta -50°C to +70°C
Certificate No.
DEMKO 16 ATEX 1466X
IECEx
ULD
16.0017X
The units can be installed in locations with the following
conditions:
Area Classification Gas:
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.
Gas Groupings:
Group IIA
Propane
Group IIB
Ethylene
Group IIC
Hydrogen and Acetylene
Temperature Classification:
T1 450ºC
T2 300ºC
T3 200ºC
T4 135ºC
T5
100ºC (up to 60ºC ambient for STExL2
only)
T6
85ºC (up to 55ºC ambient for STExL1, up
to 45ºC ambient for STExL2 only)
Area Classification Dust:
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.
Dust Groupings:
Group IIIA
Combustible Flyings
Group IIIB
Non-conductive Dust
Group IIIC
Conductive Dust
Ambient Temperature Range:
-50
°
C to +70
°
C
IP Rating:
IP66 to EN/IEC60079-0 and EN/IEC60529
Equipment Category:
2G/D
Equipment Protection Level:
Gb, Gc, Db, Dc
Maximum Surface Temperature for Dust Applications:
95ºC
(STExL1)
105ºC (STExL2)
0518
II 2G
II 2D
Epsilon x
Equipment Group and
Category:
CE Marking
Notified Body No.
STExL1
STExL2
