Mersen GPM-G Panel Mount Fuse Holder, 250V, 15A, 3Ag GPM panel mount fuse holders will accommodate 1/4-inches diameter by 1-1/4-inches length 3AG fuses and 5-millimeters diameter by 20-millimeters length fuses Cap and body material is bakelite or polycarbonate Finger-grip/screw-in cap Holder is rated for up to 250 volts with amp ratings ranging 15 UL listed and CSA certified Panel Mount Class Cc Fuse 250 V 15 Ampere Fuse Size 1/4 Inch X 1-1/4 Inch