The Optifuse FSF-P-5A is a 5A fuse with 250VAC rating designed for glass casing and a 4x11mm size. It is made of Brass with Nickel plating. This fuse is suitable for a variety of electronic applications such as cable connectors, consumer electronics, power supplies, motors, lighting fixtures, appliances, and more. Its miniature size allows it to fit easily inside the tightest of spaces. It also includes an indicator flag to alert users when the fuse has opened. This fuse provides over-voltage, over-current, and short circuit protection and is UL listed for safety.