- Fuse reducers allow a smaller fuse to be installed in a fuse block intended for a larger fuse
- Reducers fit most panels or switches including the Dead-front type Strong contact is maintained both mechanically and electrically
- There are no reducers to go from 250V to 600V or 600V to 250V
- There are no reducers for switching from one Class to another
- There are no reducers for Class T fuses
- By design Class L fuses do not require reducers
- Part numbers
| Type | Fuse Reducers |
| Style | NON & FRN-R |
| Voltage | 600 VAC |
| Amps | 200 to 400 |
| Industry No. | NO.642-R |
| Class | R |
