Answer Posted / raj
To identify the creepage distance
* Define the installation category
* Define the degree of pollution expected
*From the nominal voltage and the type of supply system
select the rated voltage from table 00.03 a/b
*From the rated voltage and degree of pollution select
the minimum creepage required in table 00.04
For the dimensioning of the creepage distance the tracking
formation of the insulating material has to be considered.
If not indicated contrary, the CTI value of the insulating
material is <400 and the isolation group
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