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Thread starter Dannyexcel
Start date Mar 18, 2013
Replies 4
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Dannyexcel

Mar 18, 2013

How to workout max zs for a c50 mcb ? Is it the same calculation as the 3871 mcb ?

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Guest55

Mar 18, 2013

there is no calculation , just look up the max value in the regs tables.

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rich67577

Mar 18, 2013

.36 springs to mind

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scotsparky

-

Arms

Mar 18, 2013

If thats a crabree C50 then it is a BS 3871 MCB the C50 is just the model

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Parelectrical

Mar 18, 2013

If I remember correctly, if its ampage is yellow the breaking capacity is 3ka and if they are white it's 4ka. The type is usually located on the side of the Mcb

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