1.<=690V,400~6300A,50Hz / 60Hz 2.a telemetry system 3.zero arcing & high breaking capacity 4.GB14048,IEC60947 ApplicationWEW45 series Conventional Circuit Breaker is applicable for distribution network of AC 50Hz, rated voltage up to 660V (690) included, rated current 400A~6300A, to distribute the electric energy and protect the circuit and powered device against overload, under voltage, short ...