NHRT41 fuse switch disconnector is applied in the circuit of rated current frequency of 50Hz, rated current from 160A to 630A and rated voltage of AC 500V and below. The phase distance is 185mm. NHRT41 Series fuse-switch disconnectors are widely applied in substation, feeder pillar and other panels ; They are infre -quently manually operated multipolar fuse combination switches. Break or switch off on load and provide safely isolation and protection against overcurrent .