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The type 2 coordination means it is not necessary to replace any internal component of internal Soft Starter in case of huge damage on motor side (meaning short circuit). In such a case of Short circuit, it is tolerated to check the line contactor (could be light welded but shall be open using a screwdriver) and the fast fuse will protect the internal power components of the Soft Starter (Thyristors).
You can see a table giving fast acting fuses necessary on ATS48 for type 2 coordination
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