Drive Fuse High Speed Fuses
The Cooper Bussmann high speed, current-limiting fuse Drive Fuse will provide maximum protection for AC and DC drives and controllers and meet NEC® branch circuit protection requirements.
The DFJ Drive Fuse has the lowest I2t of any branch circuit fuse to protect power semiconductor devices that utilize diodes, GTOs, SCRs and SSRs.
| Catalog Number | DFJ Class J |
| Dimensions | See Data Sheet # 1048 |
| Volts | 600Vac (or less), 450Vdc (or less) |
| Amps | 1-600A |
| IR | 200kA RMS Sym., 100kA DC |
| Agency Information | CE, Std. 248-8, Class J, UL Listed, Guide JDDZ, File E4273, CSA Certified, Class 1422-02, File 53787 |
| Typical Applications | • Protection of AC and DC drives • Equipment using power semi-conductor devices |
| Construction | Melamine tube with silver fuse element |
Features
- Easily coordinated with existing and new variable speed drives and electric controllers
- Standard Class J dimensions allowing the use of readily available fuse blocks, holders, and switches
- Allows the lowest let-thru energy of any branch circuit overcurrent protective device
