European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH
www.e2s.com
Tel: +44 (0)208 743 8880
Document No. D190-00-651-IS
Issue 2
06-03-2023
Sheet 2 of 15
3)
Marking & Rating Information
The D1xS1 Alarm Horns comply with the following standards for
hazardous locations:
3.1. Class/Division Ratings for US & Canada
Standards
Class I UL 1203 & CSA C22.2 No 30-M1986
Class Division Ratings for US (NEC)
Model No:
Rating
D1xS1F-DC024-S /
D1xS1R-DC024-S
Class I Div 1 ABCD T5 Ta -55°C to +85°C
Class I Div 1 ABCD T6 Ta -55°C to +75°C
Class Division Ratings for Canada (CEC)
Model No:
Rating
D1xS1F-DC024-S /
D1xS1R-DC024-S
Class I Div 1 ABCD T5 Ta -55°C to +85°C
Class I Div 1 ABCD T6 Ta -55°C to +75°C
Class Zone Ratings for US (NEC)
Model No:
Rating
D1xS1F-DC024-S /
D1xS1R-DC024-S
Class I Zone 1 IIC T5 Ta -55°C to +85°C
Class I Zone 1 IIC T6 Ta -55°C to +75°C
Class Zone Ratings for Canada (CEC)
Model No:
Rating
D1xS1F-DC024-S /
D1xS1R-DC024-S
Class I Zone 1 IIC T5 Ta -55°C to +85°C
Class I Zone 1 IIC T6 Ta -55°C to +75°C
Installation must be carried out in compliance with the National
Electric Code / Canadian Electric Code
3.2. ATEX / IECEx & UKEx Ratings
Standards
EN60079-0:2018/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”.
EN60079-31:2014/IEC60079-31:2013 (ed.2):
Explosive Atmospheres - Equipment Dust Ignition Protection by
enclosure “t”.
Model No:
Rating
D1xS1F-DC024-S /
D1xS1R-DC024-S
Ex db IIC T5 Gb Ta
–
55°C to +75°C
Ex db IIC T6 Gb Ta
–
55°C to +70°C
Ex tb IIIC T84°C Db Ta
–
55°C to +75°C
See Product table for electrical ratings of each unit model
Certificate No.
DEMKO 19ATEX2141X
IECEx ULD 19.0008X
UKEx UL UL21UKEX2132X
Epsilon x
Equipment Group
and Category:
II 2G
II 2D
CE Marking and
Notified Body No.
2813
UKCA Marking and
Notified Body No.
0518
4)
Zones, Gas Group, Category and
Temperature Classification
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 for Gas Applications
T1
450
o
C
T2
300
o
C
T3
200
o
C
T4
135
o
C
T5
100ºC
T6
85ºC
(D1xS1FDC024-S/D1xS1RDC024-S up to 70°C
ambient)
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 Dusts
Group IIIB
Non-Conductive Dusts
Group IIIC
Conductive Dusts
Equipment Category
2G, 2D
Equipment Protection Level
Gb, Gc, Db, Dc
Maximum Surface Temperature for Dust Applications
84°C (D1xS1FDC024-S/D1xS1RDC024-S)
Ambient Temperature Range
-55°C to +75°C (-67°F to +167°F)
IP Rating
IP66 to EN60529
4 / 4X / 3R / 13 to UL50E / NEMA250
Installation must be carried out in compliance with the latest issue
of the following standards:
EN60079-14 / IEC60079-14: Explosive atmospheres - Electrical
installations design, selection and erection
EN60079-10-1 / IEC60079-10-1: Explosive atmospheres -
Classification of areas. Explosive gas atmospheres
EN60079-10-2 / IEC60079-10-2: Explosive atmospheres -
Classification of areas. Explosive dust atmospheres
