Optifuse's FSA 6.3A with Fuse is a quick-blow glass fuse made from brass. It is rated for 6.3 Amps and 250VAC and is 6.3x32mm in size. This fuse is UL listed and certified to meet CSA requirements. It provides overcurrent protection to ensure the safe operation of appliances, motors, and other electrical components in a wide range of residential, commercial, and industrial applications. The FSA 6.3A is the perfect choice for use in many AC/DC circuits including door openers, lighting controls, vending machines, timer circuits, and other equipment.