INSTRUCTION MANUAL
STExJ2
Flameproof Junction Box
For use in Flammable Gas and Dust Atmospheres
European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH
www.e2s.com
Tel: +44 (0)208 743 8880
Document No. D199-00-501-IS
Issue 4
04-01-21
Sheet 1 of 5
STExJ2
1) Warnings
•
POTENTIAL ELECTROSTATIC CHARGING HAZARD.
•
DO NOT OPEN WHEN AN EXPLOSIVE ATMOSPHERE IS
PRESENT.
•
ALL ENTRIES M20 X 1.5MM.
•
USE SUITABLE RATED CABLES AND CABLE GLANDS
IF TEMPERATURE EXCEEDS AS PER STANDARDS
INDICATIONS BELOW.
FOR ATEX / IECEx STANDARDS:
70ºC AT ENTRY OR 80ºC AT BRANCHING POINT.
FOR NEC / CEC STANDARDS:
60ºC AT ENTRY OR 60ºC AT BRANCHING POINT.
2) Marking & Rating Information
All units have a rating label, which carries the following
important information:
Unit Type No.:
STExJ2
Max. Voltage:
60Vdc
260Vac 50/60Hz
Max Power Dissipation:
5W
Table 1: Electrical Ratings.
2.1. ATEX / IECEx Ratings
Standards
EN60079-0:2012+A1:2013 / IEC60079-0:2011 (Ed 6):
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
STExJ2
Ex db IIC T5 Gb Ta -50°C to +70°C
Ex db IIC T6 Gb Ta -50°C to +65°C
Ex tb IIIC T85°C Db Ta -50°C to +70°C
Certificate No.
DEMKO 16 ATEX 1466X
IECEx ULD 16.0017X
Epsilon x, Equipment
Group and Category:
II 2G
II 2D
CE Marking
Notified Body No.
2813
2.2. 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
STExJ2
Class 1 Zone 1 AEx db IIC T5 Gb Ta -50°C to +70°C
Class 1 Zone 1 AEx db IIC T6 Gb Ta -50°C to +65°C
Installation must be carried out in compliance with the National
Electric Code.
