B6 series MCB: 1,Pole No.:1P,2P,3P,4P 2,Rating Voltage:AC230/400V 3,Rating Current:6A~63A 4,Mechanical life time: 10000times B6 series MCB: Techinical parameters: B6 series MCB:1,Pole No.:1P,2P,3P,4P2,Rating Voltage:AC230/400V3,Rating Current:6A~63A4,Mechanical life time: 10000times