Function and device design
Operating Instructions ET-xx8 / MT-xx8
R. STAHL HMI Systems GmbH / OI_ET_MT-xx8_en_V_01_02_03.docx / 10.03.2021
Page 33 of 84
4.8.5
Ex classification CCC China
Chinese CCC classification according to GB3836.x.
ET-xx8 HMI series
Version
Ex marking
Gas
Ex e q [ia Ga] IIC T4 Gb
Dust
Ex tD [iaD] A21 IP66 T115°C
MT-xx8 HMI series
Version
Ex marking
Gas
Ex e nR [ia Ga] IIC T4 Gc
Dust
Ex tD [iaD] A22 IP66 T115°C
4.8.6
Ex classification CNEX China
Chinese Ex classification according to GB3836.x.
ET-xx8 HMI series
Version
Ex marking
Gas
Ex eb q [ia op is Ga] IIC T4 Gb
Dust
Ex tb [ia op is Da] IIIC T115°C Db
MT-xx8 HMI series
Version
Ex marking
Gas
Ex ec nR [ia op is Ga] IIC T4 Gc
Dust
Ex tc [ia op is Da] IIIC T115°C Dc
4.8.7
Ex classification PESO
PESO classification according to IECEx
ET-xx8 HMI series
Version
Ex marking
Gas
Ex eb q [ia op is Ga] IIC T4 Gb
MT-xx8 HMI series
Version
Ex marking
Gas
Ex ec nR [ia op is Ga] IIC T4 Gc