S&P CE ATEX Mode D'emploi page 22

Example No. 1 for Gas (motor immersed in conveyed airfl ow)
Complies with the ATEX Directive
ATEX Group Equipment for surface facilities other than mines
II
Category 2. Equipment classi ed for installation in an explosive gas atmosphere - Zone 1
2G
Indicates that the device corresponds to one or more protection modes
Ex
Explosion protection types for non-electrical devices
h
Gas explosion group
IIB
Motor surface temperature class
T3
Equipment Protection Level
Gb
Example No. 2 for Gas (motor outside of conveyed airfl ow where the maximum surface
temperature not only depends on the equipment itself, but also on the operating conditions)
Complies with the ATEX Directive
ATEX Group Equipment for surface facilities other than mines
II
Category 2. Equipment classi ed for installation in an explosive gas atmosphere - Zone 1
2G
Indicates that the device corresponds to one or more protection modes
Ex
Explosion protection types for non-electrical devices
h
Gas explosion group
IIB
Tx-T1 Surface temperature range as a function of operating conditions, where Tx is the motor temperature
class (in the example it would be T5-T1) according to table 2 for GAS
Equipment Protection Level
Gb
22
II 2G Ex h IIB T3 Gb
II 2G Ex h IIB T5-T1 Gb