Chris Pearson:
Many suggestions above, but what is the cheapest compliant solution? That's what the customer appears to want.
As for selectivity - how often are you going to get a fault in such a position that it would trip two protective devices; and if it did, would it bother the customer?
Chris Pearson:
Many suggestions above, but what is the cheapest compliant solution? That's what the customer appears to want.
As for selectivity - how often are you going to get a fault in such a position that it would trip two protective devices; and if it did, would it bother the customer?
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