Detailed Product Description JYMY JYMT mini circuit breaker MCB belongs to the advanced level of the nineties. ... long using life etc. they are mainly adapted to circuit of AC 50HZ,230V in single pole,400V in double ... turning on or off the electric apparatus and lighting circuit under the normal condition.Pole:1,2,3Rated Voltage: ... Current:MY 6,10,16,20,25,32,40A MT 6,10,16,20,25,32,40,50,63ABreaking ...