Mersen 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; most are approved by U.L. and CSA. Cap and body material is bakelite or polycarbonate and function as a screw-in or bayonet style closure. All holders are rated for up to 250 volts with amp ratings ranging from 10A. 1/4-inches solder/QC terminal type.