Dear colleagues,

I am struggling with correct marking of rating on the product.

How would you mark your product when connected to :

3 phase star system (with Neutral) and/or

3 phase delta system and/or

1 phase system

Standard is IEC 62368-1 – table F.2



Some examples that I have in mind:

400 Y/230 V 3~; 50/60Hz, 3A, (This is for star system but with this marking not 
identified that Netral is required)

208 V 3~, 50/60Hz, 3A (This is for connection to Delta system)

208-230V, 50/60Hz, 6A (This is for 1 phase L to N or 2 phase L1 to L2 
connection)

What do you think?



I remeber that in the past connection to STAR system was identified like 
400/230V, 50/60Hz, 3A, 3W + N + PE, however it looks that this was changed.

Thank you for your support.

Best regards,

Boštjan

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