最大 さいだい正規 せいき電圧 でんあつではありません
saidaiseikiden'atsudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 最大正規電圧

1. Is not the maximum rated voltage.; It is not the maximum normal voltage.

Negative
Polite
Formal Register
Computing