感震 かんしんブレーカーじゃなかったです
kanshimburēkājanakattadesu

Noun
Desu Copula

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

1. Wasn't an earthquake-detecting circuit breaker.; Wasn't a seismic switch.

Past/Perfective
Negative
Polite
Casual Register
Electrical Engineering