A NO.263 reducer installed on the fuse permits it to be installed in a 60 A fuse block. Reducers are particularly useful when equipment is being converted. Proper protection can be maintained without the expense of replacing the fuse block.
Fuse reducers allow a smaller size fuse to be installed in a fuse block intended for a larger fuse
Fuse reducers allow a smaller size fuse to be installed in a fuse block intended for a larger fuse