The OptiFuse 5mm x 20mm 15A 250V Fast Acting Glass Fuse comes in a pack of five and is UL Listed/Recognized. Its glass body allows for easy visual inspection of the filament. Engineered to respond rapidly to overloads and short circuits, it is ideal for protecting sensitive electronic devices such as home appliances. Rated for 250VAC and 15A with a 200A interrupt capacity, these fast acting fuses provide dependable circuit protection in compact form.