感震 かんしんブレーカーじゃありませんでした
kanshimburēkājārimasendeshita

Noun
Desu Copula

The polite, past negative form of 感震ブレーカー

1. Was not a vibration-detecting circuit breaker.; Was not an earthquake-activated breaker.

Past/Perfective
Negative
Polite
Terminal Form
Electrical Engineering