Littelfuse 150520 In-Line Fuseholders for 5mm x 20mm fuses are rated at 600VAC/600VDC and feature a 20A current rating. Littelfuse 150520 In-Line Fuseholders have a single-piece thermoplastic body and provide IP40 ingress protection. These fuseholders are ideal for applications where supplemental protection is needed, such as lighting ballasts and power supplies. These fuseholders include 8″ pre-stripped wire leads and fuse clips that come preassembled for quick installation.