Bussmann J-42 Fuse Reducer, 600 VAC, 400 A, Class: J, 200 A Fuse

A range of Bussmann series fuse reducers for class H(K), J and R ferrule and blade fuses. Fuse reducers install on fuse ferrules or blades to permit the application of smaller size fuses than those for which the fuse blocks or holders are designed.