Technical information
8.4 Technical specifications
SIMATIC IPC477D, IPC477D PRO
Operating Instructions, 11/2016, A5E31347228-AF
223
Information on insulation tests, protection class and degree of protection
Test voltages
Insulation resistance is demonstrated in the type test with the following test voltages in
accordance with IEC 61131-2:
Circuits with a nominal voltage of U
e
to other
circuits or ground
Protection Class I in accordance with IEC 60536, i.e. PE/ground connection required.
Protection against foreign objects and water
The following degree of protection applies to the PRO device:
all sides
• IP65 according to IEC 60529
• Enclosure Type 4X / 12 (indoor use only) ac-
cording to UL50
The table below shows the rated voltage and the corresponding tolerance range.
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