How to determine the size of a MCB?
- Thread starter --tom
- Start date
Do your cable calculations.
In > Ib
Where Ib is the design current
and
In is the nominal setting of the protective device
This is the first step of the process. You shouldnt be messing about with MCBs if you dont understand this very basic principle.
In > Ib
Where Ib is the design current
and
In is the nominal setting of the protective device
This is the first step of the process. You shouldnt be messing about with MCBs if you dont understand this very basic principle.
Who said that? 
tape measure
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