Any words of wisdom associated with these?
Don't buy certain age, or design, or name brand?
Also - how much static loss / KVA ?
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Think Snow Eh!
Ox
A(ny) major brand.
US or Canadian made.
AVOID Euro-trash. It's over-stressed by our longer-lived metrics.
Units known to be favored by dominant - and responsible - electric utility co's conservatively managed.
Still being bought new, present-day installations.
And ALL the data is published.
With very little room to lie.
Because the Powerco hasn't got a lot of time or money or PATIENCE to waste on saving a dime up-front only to spend thousands on premium labour costs for outage repairs they can avoid for 20 to 40 years.
Piggyback off THEIR experience.
You want premium goods? To near-as-dammit "bulletproof" level?
Go and find out whom the Data Center operators who support the movement of trillions of dollars worth of "NO downtime!, please!" transactions every day are utilizing.
Be on an IV drip when you have to ask the price.
Ordinary NEMA/CS listed North-American market commercial facility transformers should be just fine. It is hard to go wrong, actually.
Not as if they only ever made the one such transformer, last 100-plus years, is it?