Information On Insulation Tests, Protection Class And Degree Of Protection - Siemens SIMATIC HMI Operating Instructions Manual

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3.3 Information on insulation tests, protection class and degree of protection

3.3 Information on insulation tests, protection class and degree of
protection
Test voltages
Insulation strength is demonstrated in the type test with the following test voltages in
accordance with IEC 61131-2:
Circuits with a nominal voltage of U
circuits or ground
< 50 V
56
to other Test voltage
e
500 VDC
Operating Instructions, 12/2007, A5E01003940-01
Mobile Panel 277F IWLAN