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The Mersen Ferraz Shawmut TR200R Time Delay Fuse is a high-quality electrical fuse designed for interior use. With a maximum amperage of 200A and a voltage rating of 250VAC, this cartridge-type fuse offers thermal overload protection and features a silver color finish. The blade-style fuse body is made of fiberglass/glass-reinforced plastic (GRP) and is suitable for AC current. With a current rating between 151-200A and a fuse speed of time-delay/slow-blow (T), this Mersen fuse is ideal for protecting electrical circuits from overloads and short circuits. Its analog/mechanical control style and copper finish make it a reliable choice for various electrical applications.