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Logic problem in OSG - trivial

Ziggie
Page 79 OSG (blue edition)


Lcn is max fault current .......although the breaker may no longer be usable.

Lcs is max fault current .......can interupt safely without loss of performance.


.........


For domestic installations, the PFC is unlikely to exceed 6kA , up to which value the Lcn will equal Lcs.


usable , maybe usable, certainly usable?


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  • 0
    Looking at all the great replies, I think we are saying that if we we fall below 6KA then the device is safe to re-use. 


    thanks to all - it was very informative for me.
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  • 0
    Looking at all the great replies, I think we are saying that if we we fall below 6KA then the device is safe to re-use. 


    thanks to all - it was very informative for me.
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