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 3 of 15
Temperature Classification for Gas Applications
T1
450ºC
T2
300ºC
T3
200ºC
T4
135ºC
(GNExB2X10DC & GNExB2X15DC up to 70°C
ambient)
T5
100ºC
(GNExB2X05DC up to 70°C ambient;
GNExB2X10DC up to 45°C ambient)
T6
85ºC
ATEX / IECEx / UKEX:
GNExB2X05DC up to 60°C ambient
NEC / CEC:
Up to 65ºC ambient
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)
GNExB2X05DC
89ºC
GNExB2X10DC
117ºC
GNExB2X15DC
125 ºC
Equipment Category
2G / 2D
Ambient Temperature Range
-50°C to +70°C
IP Rating
IP6X to EN/IEC60079-0
IP66 to EN60529
5) Special Conditions for Safe Use
Repair of the flame path / cemented joints is not permitted.
Figure 1: Flame Path.
The enclosure is non-conducting and may generate an
ignition-capable level of electrostatic charges under certain
extreme conditions. The user should ensure that the
equipment is not installed in a location where it may be
subjected to external conditions that might cause a build-up
of electrostatic charges on non-conducting surfaces.
The stainless steel beacon guard is not earthed and may
generate an ignition-capable level of electrostatic charges. It
has a capacitance of 10pF according to EN/IEC60079-0,
clause 7.5.
All entries must be fitted with a suitable seal at the interface
with enclosure.
6) Product Mounting and Access
6.1. Location and Mounting
The location of the beacons should be made with due regard
to the area over which the warning signal must be visible.
They should only be fixed to services that can carry the
weight of the unit.
The beacons should be securely bolted to a suitable surface
using the 9.4mm diameter bolt holes in the base of the unit
(see figure 2).
Figure 2: Fixing Location for B2 Beacon.