I love train wrecks.....it's a weakness.and has been avoiding being sucked into another over analysis, deep dive into something that I already commented on before!
I talked to an EE (from the electric company, my wife works at) a min ago about the RMS and actual clamping voltage. All the RMS value does is (and I should have known this being into audio and amplifiers) is define how many volts are allowed to run constantly. It doesn't trip at 150V, it trips at (in this case) 320V (or what it's rated at). Basically, you can't run 220V line into that surge protector.
FTR, JR, I only called on ya to cover the RMS/why is that 150V/whats the other 170V... etc..the other stuff landed when I read it.