最大 さいだい作動 さどう正規 せいき電圧 でんあつでしょう
saidaisadōseikiden'atsudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 最大作動正規電圧

1. Probably the maximum operating normal voltage.

Polite
Presumptive
Conjecture
Computing