E2S Warning Signals
Impress House, Mansell Road, Acton, London W3 7QH
www.e2s.com
Tel: +44 (0)208 743 8880
Document No. D199-00-621-IS
Issue 2
27-10-22
Sheet 2 of 15
2) Warnings
•
DO NOT OPEN WHEN AN EXPLOSIVE ATMOSPHERE IS
PRESENT.
•
POTENTIAL ELECTROSTATIC CHARGING HAZARD
–
CLEAN ONLY WITH A DAMP CLOTH.
•
ALL ENTRIES M20 X 1.5MM.
•
USE SUITABLE RATED CABLES AND CABLE GLANDS
IF TEMPERATURE EXCEEDS AS PER STANDARDS
INDICATIONS BELOW.
FOR ATEX / IECEx & UKEx STANDARDS:
70ºC AT ENTRY OR 80ºC AT BRANCHING POINT.
FOR NEC / CEC STANDARDS:
60ºC AT ENTRY OR 60ºC AT BRANCHING POINT.
3) Marking & Rating Information
All units have a rating label, which carries the following
important information:
•
Unit Model.
•
Voltage Range
•
Nominal Voltage
•
Max. Current
See Table 1 for electrical ratings of each Unit Model.
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
STExB2X05
DC024-S
Ex db IIC T5 Gb Ta -50°C to +70°C
Ex db IIC T6 Gb Ta -50°C to +55°C
Ex tb IIIC T92°C Db Ta -50°C to +70°C
STExB2X10
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 T118°C Db Ta -50°C to +70°C
STExB2X15
DC024-S
Ex db IIC T4 Gb Ta -50°C to +70°C
Ex tb IIIC T127°C Db Ta -55°C to +70°C
Certificate No.
DEMKO 16 ATEX1466X
IECEx ULD 16.0017X
UL21UKEX2019X
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
STExB2X05
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 +55°C
STExB2X10
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
STExB2X05
DC024-S
Ex db IIC T5 Gb Ta -50°C to +70°C
Ex db IIC T6 Gb Ta -50°C to +55°C
STExB2X10
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
STExB2X
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
STExB2X05
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 +55°C
STExB2X10
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
