最大 さいだい作動 さどう正規 せいき電圧 でんあつではありません
saidaisadōseikiden'atsudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 最大作動正規電圧

1. Is not the maximum rated voltage.; Is not the maximum operating voltage.

Negative
Polite
Formal Register
Computing