... The MCCB complies with standard of IEC947-2, GB14048.2, GB14048.4 and so on 2)Professional manufacturer KPM6(ABB) series ... H-Highest breaking capacity type.Classification of MCCB.Installation type of MCCB: MCCB are suitable for vertical or harizontal installation.. ... According to use of MCCB: distribution circuit protection type, motor protection type.According ...