Function and device design
Operating Instructions KB2 Keyboards
R. STAHL HMI Systems GmbH / OI_Keyboard_KB2_en_V_01_00_02.docx / 07.03.2022
Page 31 of 68
Versions
KB2 / PD2
–Z2
KB2 / PD2
–Z2-*-HSG*00*
For supply with ic circuits:
Version
2014/34/EU prefix
Ex marking
Gas
e
II 3 G
Ex ic IIC T4 Gc
Dust
e
II 3 D
Ex ic IIIC T
200
135°C Dc
Versions
KB2 / PD2
–Z2-*-HSG*U3*
For supply with ic circuits:
Version
2014/34/EU prefix
Ex marking
Gas
e
II 3 G
Ex ec ic nC IIC T4 Gc
Dust
e
II 3 D
Ex ic tc IIIC T135°C Dc
4.4.7
Ex classification EAC
Versions
KB2 / PD2 -*
KB2 / PD2 -*-*-HSG*00*
Version
Ex marking
Gas
1Ex ia II
C Т4 Gb Х
1Ex ib II
С Т4 Gb Х
2Ex ic II
C Т4 Gc Х
Dust
Ех ia IIIС Т
200
135°С Db Х
Eх ib IIIC Т
200
1
З5°С Db Х
Ех ic IIIС Т
200
135°С Dc Х
Versions
KB2 / PD2 -*-*-HSG*U3*
Version
Ex marking
Gas
1Ex e ia q II
C Т4 Gb Х
1Ex e ib q II
С Т4 Gb Х
2Ex e ic q II
C Т4 Gc Х
2Ex e ic nC II
C Т4 Gc Х
Dust
Ех ia tb IIIС T135°С Db Х
Eх ib tb IIIC Т1З5°С Db Х
Ех ic tb IIIС Т135°С Dc Х