The transformer's impedance and X/R ratio largely determine your fault levels for a short-circuit on either side of it, you can't have 'too much' fault current through it. It'll only be damaged if you don't interrupt it in time.
As for Ip and ratings on switchgear / circuit breakers, the ratio...
See the attached, technical data in German.http://files.engineering.com/getfile.aspx?folder=26cd0b47-12c9-4bad-bd4f-462f2b80b0f2&file=Sprecher_Schuh_MUT1_Technical_Data_-_DE_(1980).pdf
If it's just purchasing you're looking for, then no. Science publishing is quite fragmented and you need a bunch of subscriptions to access it all without showing your credit card (I assume this is your annoyance).
Google Scholar is a good way of finding articles including those that can be...
