配はい線せん用よう遮しゃ断だん器きMeaningsNoun1. molded-case circuit breaker; MCCBKanji used配hand out線line用used for遮interrupt断be cut off器instrumentComposed of配はい線せんwiringNoun用ようbusiness; task; errand; engagement; use; purpose; for the use of ...; used for ...; made for ...; call of nature; …Noun遮しゃ断だん器きcircuit breakerNoun