European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH
www.e2s.com
Tel: +44 (0)208 743 8880
Document No. D156-00-621-IS
Issue 1
27-10-22
Sheet 2 of 15
3.1. ATEX / IECEx / UKEX 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"
Ratings
GNExB2X05
DC024-S
Ex db IIC T5 Gb Ta -50°C to +70°C
Ex db IIC T6 Gb Ta -50°C to +60°C
Ex tb IIIC T89°C Db Ta -50°C to +70°C
GNExB2X10
DC024-S
Ex db IIC T4 Gb Ta -50°C to +70°C
Ex db IIC T5 Gb Ta -50°C to +45°C
Ex tb IIIC T117°C Db Ta -50°C to +70°C
GNExB2X15
DC024-S
Ex db IIC T4 Gb Ta -50°C to +70°C
Ex tb IIIC T125°C Db Ta -55°C to +70°C
Certificate No.
DEMKO 15ATEX1448X
IECEx UL15.0003X
UL21UKEX2136X
ATEX Mark, Equipment
Group and Category:
II 2G
II 2D
CE Marking and
Notified Body No.
2813
UKCA Marking and
Notified Body No.
0518
3.2. NEC / CEC Ratings
All models are approved for use as Visual Signal Device for
use as General Signalling:
UL1638A & CSA C22.2 No 205-17
NEC Class / Zone Ratings US Codes
Standards
UL 60079-0 (Ed. 7) 04/15/2020
Explosive Atmospheres - part 0: Equipment - General
Requirements
UL 60079-1 (Ed. 7) 2015
Explosive Atmospheres - Part 1: Equipment Protection by
Flameproof Enclosures 'd'
Ratings
GNExB2X05
DC024-S
Class I Zone 1 AEx db IIC T5 Gb Ta -50°C to +70°C
Class I Zone 1 AEx db IIC T6 Gb Ta -50°C to +60°C
GNExB2X10
DC024-S
Class I Zone 1 AEx db IIC T4 Gb Ta -50°C to +70°C
Class I Zone 1 AEx db IIC T5 Gb Ta -50°C to +45°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. 60079-1 (Ed. 3) 2016
Electrical Apparatus for Explosive Gas Atmospheres - Part 1:
Flameproof Enclosures 'd'
Rating
GNExB2X05
DC024-S
Ex db IIC T5 Gb Ta -50°C to +70°C
Ex db IIC T6 Gb Ta -50°C to +60°C
GNExB2X10
DC024-S
Ex db IIC T4 Gb Ta -50°C to +70°C
Ex db IIC T5 Gb Ta -50°C to +45°C
Installation must be carried out in compliance with the
Canadian Electric Code.
NEC & CEC Class / Division Ratings for US / Canada,
USL CNL
Standards
GNExB2X
Xenon
beacons
UL1638A (Ed. 1) 2016
Standard for Visual Signal Appliances for General
Signalling Use
CSA C22.2 No. 205-17 (Ed. 3) 2017
Signal Equipment
Ratings
GNExB2X05
DC024-S
Class I Div 2 Group ABCD T5 Ta -50°C to +70°C
Class I Div 2 Group ABCD T6 Ta -50°C to +60°C
GNExB2X10
DC024-S
Class I Div 2 Group ABCD T4 Ta -50°C to +70°C
Class I Div 2 Group ABCD T5 Ta -50°C to +45°C
The certification approval has validated continuous use up to
38°C ambient and are for transient use up to 70°C ambient.
Installation must be carried out in compliance with the
National Electric Code / Canadian Electric Code.
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
(ATEX / IECEx /
UKEX only)
Explosive dust air mixture likely to occur in
normal operation.
Zone 22
(ATEX / IECEx /
UKEX only)
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
