15
Use within the European Union (EU)
Doc No: OMMB00301 Revision: 1 – Nov 2019
Model An alphanumeric text identifier stamped
onto the nameplate that fully describes the
type of equipment.
Serial No A unique serial number stamped on the
nameplate to allow traceability of
manufacture.
Year The year in which the equipment was
manufactured is stamped here.
Ex Symbol The EU Mark for hazardous area
application.
Equipment designation:
II Equipment Group (non-mining
applications).
2 Equipment Category (high protection
level).
G Hazardous Area Type (hazardous gas
environments).
Ex Explosion Protection.
h Protection of Non-Electrical Equipment
IIC Gas Group Subdivision (for Gas Group
limitations).
T6…T3 Max surface temp (maximum surface
temperature depends not on the
equipment itself but on the operating
conditions, and a single temperature
class cannot be marked by the
manufacturer).
Gb Equipment Protection Level (EPL)
(High Protection Limit)
X Specific Conditions of Use (Specific
Conditions of Use apply, including the
Ambient Temperature Range below,
see Section 4.2.2).
CML 15ATEXT172 Confidential Technical File reference (c/o
Notified Body).
CE Marking All equipment used in a hazardous area
under the ATEX Directive must be CE
marked. Mechanical equipment in Group II
Category 2 is self-assessed, and a
confidential Technical File lodged with a
Notified Body (per Technical File ref.
above). Equipment that is CE marked must
comply with all relevant EU Directives. The
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