(1) Rated insulate voltage up to 500V
(2) Working frenquency 50Hz AC
(3) Conventional free air thetmal current and expected short .Thede fuse holders are supporyers for fuses with size up to 22*58mm.They are capable of working under heat caused by rated currented expected short impacting current up to 100KA .It can also function as a fuse disconnecting swith by multi-phase combination.There are two in/out lines at the RT18N fuse base,providing a power cut function.With an indicator,which goes on when the fuse breakes.
(4) Compliant with GB13539and IEC60269 auto fuse holder.