Siemens SIMATIC ET 200iSP Operating Instructions Manual page 202

General technical specifications
8.5 Information on dielectric strength tests, class of protection, degree of protection and rated voltage of the ET
200iSP
Degree or protection IP30
Degree of protection IP30 according to IEC 60529 for all modules of the ET 200iSP, in other
words
● protection against contact with standard probe
● Protection against solid bodies with diameters in excess of 2.5 mm
● No special protection against water
Rated voltage for operation
The distributed I/O station ET 200iSP operates with the rated voltage shown in the following
table and the corresponding tolerances.
rated voltage
24 V DC
120/230 V AC
202
Tolerance range
20 to 30 V DC (up to product version 2 of Power Supply PS)
19.2 to 30 V DC (as of product version 3 of Power Supply PS)
85 V AC to 264 V AC
Operating Instructions, 11/2017, A5E00247483-07
ET 200iSP