R-TECH Fuses, 5 x 20mm Ceramic, Fast Acting Fuse Range - R-TECH 261399, R-TECH 5x20mm ceramic, fast acting fuse. A fast-acting fuse with high breaking capacity for use in electrical circuits. Suitable for use in a wide variety of applications. Constructed of a ceramic tube with electro-plated brass end caps. With a 300V AC rating and 1500A breaking capacity or 300V AC rating and 750A breaking capacity, this fuse offers excellent quality and is tested for cold resistance and precise length. With its high breaking capacity, this fuse is ideal for supplementary protection in electrical appliances and equipment to provide excellent protection for components or circuits. R-TECH 261399 5X20mm 4A 250VAC ceramic fuse fast acting fuse