Switch control [india] offers open type hrc fuse bases type, fbo. The fuse bases are made of steel/high performance glass reinforced polyester/bakelite moulding. They are manufactured in sizes 00, 1, 2 and 3, i.E., 125 a, 250 a, 400 a and 630 a, respectively, in 415 v, 50 hz. The simple construction provides ease of mounting and better performance. Features: short circuit rating 80 ka; made of flame retardant, non-hygroscopic phenolic moulding; also available with dmc and porcelain base; holograms affixed as a mark of genuine product; and conforming to is: 13703/iec 269.