| Amperage Rating | 300 |
| Application | Utility - Substations, Utility Transmission and Distribution |
| Applications | Transformer Protection |
| Approval Agency, Operating Temperature, Response Time | - |
| Body Material | Fiberglass |
| Body Style | Cylindrical |
| Brand | Eaton Bussmann series |
| Breaking Capacity @ Rated Voltage | 40kA |
| Catalog Number | JCY-300E |
| Category | Circuit Protection |
| Class | E, E-Rated |
| Country of Origin, Country of Origin (subject to change) | Dominican Republic |
| Current Rating (Amps), Fuse Amps | 300A |
| Diameter | 3" |
| Element | Dual |
| Features, Indicating / Nonindicating | Indicating |
| Fuse Interrupt Rating | 60kA (Asym.) at 5500VAC, 40kA (Sym.) at 5500VAC |
| Fuse Speed | Time Delay |
| Fuse Type | Cartridge |
| Fuse Voltage Rating | 5500VAC |
| Interrupt Rating | 40 kAIC |
| Item, Item Type | Fuse |
| Length | 17-3/4" |
| Made in USA | No |
| Manufacturer | Eaton Bussmann |
| Mfr | Eaton - Bussmann Electrical Division |
| Mounting Type | Holder |
| Package | Bulk |
| Package / Case | Cartridge, Non-Standard |
| Part Status | Active |
| Rejection / Nonrejection | Nonrejection |
| Series | JCY |
| Size / Dimension | 2.000" Dia x 11.190" L (50.80mm x 284.18mm) |
| Standard | Contact Manufacturer |
| Sub Brand | Bussmann Series |
| Type | E-Rated Fuses |
| UPC | 051712579995 |
| Voltage Rating, Voltage Rating - AC | 5.5 kV |