MAA (DORMAN, AA)series MCCB, its applicable circuit of AC 50/60Hz, rated insulation voltage 690V, rated current 25-800A, for distribute energy of electricity & infrequent making & breaking circuit in normal conditions. The products conforms to GB14048.2, IEC60947-2 standards TYPE: MAA-100/3P MAA-160/3P MAA-250/3P MAA-400/3P MAA-630/3P MAA-800/3P