Markings and symbols
B.4 Safety-relevant symbols
SIMATIC IPC477E
170
Operating Instructions, 11/2020, A5E37455003-AF
B.4
Safety-relevant symbols
General information
ATEX/IECEx – Additional Instructions for use in Gas Explosive Atmospheres (only valid for
specific MLFBs - marked with IECEx/ATEX symbol on the nameplate of the device).
II 3G
Ex ec IIC T4 Gc
II 3D
Ex tc IIIC T70 °C Dc
Approval markings ATEX Approval mark 16ATEX 0045 X and / or IECEx DEC 16.0021 X
Ta: Hori0 to +40°C, Ve0 to +40°C
Front: IP65