Current 등급 = 80A Fuse Size = 19 x 21mm Fuse Speed = F Voltage Rating = 160 V dc, 300V ac UL Class = T 시리즈 = Bussmann Cooper Bussmann - JJN 시리즈. Professional range of Cooper Bussmann quick acting fuses from the JJN series. The fuses are generally used within electric heat circuits, disconnect switches and meters. Various current ratings available