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Ton

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Ib is 38a value of p d is ?

Can not find a c mcbs to this 38a . I know you can not go eney lower than this ib can I use a mcbs of 40 a. Thanks. Eney help .

 
Sorry nozspark.

I have to design a circuit.

Design current is 38 A

Do I need to use a 40 A.

As a protective device i n .

 
Ib is design current, so In (Rating of the protective device)

exceeds this value, so...pick the value of the rating which

is immediately above it in the table of devices you intend

to use.

If you need to select a type, post a bit more circuit infomation.

 
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