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What's the meaning of "Maximum prospective short-circuit current of the Soft Starter/Drive according to standard IEC 60947-4-2" ?

The prospective short circuit current is the highest current which can exist in particular electrical system under short circuit conditions.

As per IEC60947-4-2:

·         Type 1 coordination: allows the product to be damaged during short circuit condition, hence the product can be used again.

·         Type 2 coordination: does not allow the product to get damaged, the product can be re-used after clearing the fault.

The maximum prospective short circuit current value is provided for the combination given, supply voltage, type of coordination (1 or 2) available in the catalog of each Soft starter/Drive range.

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