Ferraz Shawmut

Ferraz Shawmut, 12.5A Cartridge Fuse, 10 x 38mm, Speed FF　C1014578J

Protistor® Fuses. Protistor® ceramic cartridge fuses are very fast acting fuses with no striker. These fuses boast a high breaking capacity, and the FF types all conform to IEC 269-1 ; 4, resulting in a safe and reliable fuse which is commonly used in semiconductor protection. Features 600V - 690V AC. aR Class. Without Trip Indicator. Why choose a glass fuse? Glass and ceramic fuses have similar properties. However you may choose a glass fuse as it enables you to see the inside of the fuse. Therefore it is easier to determine whether the fuse has blown. What size is it? 10 x38mm What Speed is it? This particular fuse is FF speed rated which means it is an Ultra-rapid acting fuse, What is Breaking Capacity? Breaking capacity is the level of current that the fuse can safely handle without exploding or rupturing. The breaking capacity of your fuse should be greater than the fault current of your electronic circuit. This particular fuse is LBC (Low Breaking Capacity).