Ferraz Shamwut/Mersen ATM-3, 3Amp 600V Cartridge Fuse Dimension: 10.3mm x 38.1mm Cylindrical 3Amp (3A) 600V Fast Blow Midget Fuse This Ferraz Shamwut/Mersen ATM-3 (ATM3) could be used to substitute for Bussmman KLM-3 and Littelfuse KLKD003