Standard: 1,IEC60947-1 GB14048.1 2,IEC60947-2 GB14048.2 3,IEC60947-4-2 GB14048.6 A,Current:100A,225A,400A,630A,800AB,Voltage:DC250V,DC440V,DC550VC,2POLES,3POLES,4 POLESMore informations,please feel free to contact us. DC MOULD CASE CIRCUIT BREAKER MCCB