European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH
www.e2s.com
Tel: +44 (0)208 743 8880
Document No. D209-00-011-IS
Issue 1
20-08-22
Sheet 2 of 5
Certificate No.
DEMKO 06ATEX 0421554X
IECEx ULD 14.0012X
UL21UKEX2135X
ATEX Mark, Equipment
Group and Category:
II 3G
II 3D
CE Marking
UKCA Marking
3.2. NEC & CEC Ratings
NEC & CEC Class / Division Ratings for US /
Canada
Standards
UL 121201-2021 (Ed. 9)
CAN/CSA C22.2 No. 213-17 (Ed. 3)
Ratings
E2Xs2:
Class I, Div 2,
ABCD T3C Ta -20°C to +55°C
Class I, Div 2,
ABCD T4 Ta -20°C to +40°C
Class II, Div 2, FG
T6 Ta -20°C to +55°C
Class III, Div 1 & 2 Ta -20°C to +55°C
Installation must be carried out in compliance with the National
Electric Code / Canadian Electric Code
NEC Class / Zone ratings US
Standards
UL 60079-0 (Ed. 7):
Explosive Atmospheres - part 0: Equipment - General
Requirements
UL 60079-7 (Ed. 5):
Explosive Atmospheres - Equipment Protection by Increased
Safety "e"
UL 60079-31 (Ed. 2)
Explosive Atmospheres - Equipment Dust Ignition Protection
by Enclosure "t"
Ratings
E2xS2:
Class I Zone 2 AEx ec IIC T4 Gc Ta -20°C to +55°C
Zone 22 AEx tc IIIC T85°C Dc Ta -20°C to +55°C
Installation must be carried out in compliance with the National
Electric Code.
CEC Class / Zone ratings Canada
Standards
CAN/CSA C22.2 No. 60079-0 (Ed. 4) 02/2019
Explosive Atmospheres - Part 0: Equipment - General
Requirements
CAN/CSA C22.2 No. 60079-7 (Ed. 2)
Explosive Atmospheres - Equipment Protection by Increased
Safety "e"
CAN/CSA C22.2 No. 60079-31 (Ed. 2)
Explosive Atmospheres - Equipment Dust Ignition Protection
by Enclosure "t"
Rating
E2xS2:
Ex ec IIC T4 Gc Ta -20°C to +55°C
Ex tc IIIC T85°C Dc Ta -20°C to +55°C
Installation must be carried out in compliance with the Canadian
Electric Code
4) Zones, Gas Group, Category and
Temperature Classification
When connected to an approved system the E2XS2 alarm
horn may be installed in:
Area Classification
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 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
450ºC
T2
300ºC
T3
200ºC
T4
135°C
Dust Groupings
(ATEX / IECEx / UKEX only)
Group IIIA
Combustible Flyings
Group IIIB
Non-conductive Dust
Group IIIC
Conductive Dust
Maximum Surface Temperature for Dust Applications
(ATEX / IECEx / UKEX only)
E2xS2:
85°C
Equipment Category
3G / 3D
Equipment Level Protection
Gc, Dc
