Dear members:
My company is developing machinery for the USA market and we are having contact
with UL508A.
According to the standard, the label must contain the SCCR of the cabinet in
order to avoid the connection to a mains that can deliver higher currents in
case of short circuit. The supply
I am presently certifying my product to a different UL standard, and I
believe my situation is similar. I have a 200 Amp three-phase circuit
breaker on the power input, rated for 25 kAIC. This will become the SCCR
for the overall product, and it will be marked on the rating plate as well
as in the
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