FeaturesExcellent DC performanceLow arc voltage and low energy let throughLow watts lossSuperior cycling capabilityDesignated size 00Square body DIN 43620 blade high speed fuses with dual indicator system one indicator in the fuse body and another one in the metallic end plateInterchangeable with existing high speed DIN 43620 fuses for the protection of UPS, soft starters, solid state relays, variable speed drives, rectifiers and inverters