Siemens 6DR50 Series Operating Instructions Manual page 25

Explanation of Ex information
①
②
③
Figure 3-7
SIPART PS2 with and without HART
Operating Instructions, 09/2014, A5E00074631-12
Category for operating range
Type of protection
Group (gas, dust)
Explanation of Ex information
④
Maximum surface temperature (tempera-
ture class)
⑤
Device protection level
Description
3.2 Structure
23