English (GB)
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Standard Code Description
IEC 60079-0 and
IEC 60079-1
Ex = Area classification according to AS 2430.1.
IEC 60079-10-1
d = Flameproof enclosure according to IEC 60079-1:20072014.
eb
= Protection according to IEC 60079-7:2017
mb = Encapsulation according to IEC 60079-18:20092017.
IIB =
Classification of gases, see IEC 60079-0:2011
IEC 60079-0:2017. Gas
group B includes gas group A.
T4/T3 =
Maximum surface temperature is 135 °C / 200 °C according to IEC
60079-0:2011IEC 60079-0:2017.
Gb = Equipment protection level.