The AE-HR17 series fuse type isolation switch can be operat ed with load and is suitable for rated currents ranging from 6A to 630A. It also provides an upper and lower input and output struct ure, with a knife edge introduction and arc extinguishing device; And there areperiodically closed detection holes on the switch cover, with built-in signal switches and detection switches. Optional fuse monitor can also be used as a knife switch. The switch has a beautiful and novel design, which meets the standards of IEC60947-3 and GB14048.3.