The OptiFuse 6.3mm x 32mm 4A 250V Fast Acting Ceramic Fuse (5 Pack) features a ceramic body compliant with RoHS and REACH standards, and is UL Listed/Recognized. Measuring 32mm in length and 6.3mm in diameter, it is designed for quick response to electrical overloads and short circuits, making it ideal for sensitive devices like home appliances. Rated at 250VAC and 4A with a 750A interrupt capacity, this pack of five offers dependable circuit protection for your electronics.