Siemens SITOP 6EP1336-3BA00 Manual page 22

Mounting/removal
Use in hazardous zones
If the devices are installed in a hazardous zone (Ex II 3G Ex nA nC IIC T3 (T4) Gc or Ex II
3G Ex nA IIC T3 Gc), they must be installed in a distribution box with degree of protection
IP54 or higher.
22
WARNING
SITOP modular 1ph/2ph
Manual, 04.2018, C98130-A7548-A1-4-7629