TKM10(hager)series MCCB, it's applicable circuit of AC 
50/60Hz, rated insulation voltage 690V, rated current 
16-400A. for distribute energy of electricity & infurequent
 making & breaking circuit. In normal conditions, protecting 
when circuit are overload, short circuit and lacking voltage. 
The product conforms to GB14048.4, IEC60947-2 standards.