This is a 63 Amp, 1000 Volt size 70 flush end metric thread specialty fuse manufactured by Littelfuse. The PSR070FL0063Z fuse is a midget size, recessed end, RoHS compliant, and time-delay / dual element fuse designed for high inrush loads. It is rated up to 63 Amps, with a maximum interrupting rating of 1000 Volt AC and is suitable for global standards of protection for a variety of equipment, including automation, motors and switching power supplies. This fuse is RoHS compliant and able to operate and maintain contact between an LED conductor and a printed circuit board (PCB). It allows current flow to LED applications respectively, while protecting LED circuitry against excessive overcurrents.