3VL MCCB 3VL series MCCB is one of our new products developed and manufactured by adopting international advanced technology. It is supplied with rated insutaling voltage 690V and used for circuit of A.C.50/60Hz, rated operating voltage A.C. 415V or below, rated operating current from 16A to 250A. It is designed for protection of electric circuit, motors, transformers and other equipments. The products conforms to GB14048.4, IEC60947-1, IEC60947-2 & VDE0660 standards.