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| PartNumber | JCR-B-2R | JCR-B-3R | JCR-B-18R |
| Description | Specialty Fuses 8300V 70A | Specialty Fuses 8300V 100A | Specialty Fuses 8300V 390A |
| Manufacturer | Eaton | Eaton | Eaton |
| Product Category | Specialty Fuses | Specialty Fuses | Specialty Fuses |
| RoHS | N | N | N |
| Series | JCR-B | JCR-B | JCR-B |
| Product | Medium Voltage Fuses | Medium Voltage Fuses | Medium Voltage Fuses |
| Current Rating | 70 A | 100 A | 390 A |
| Voltage Rating AC | 8.3 kVAC | 8.3 kVAC | 7.2 kVAC |
| Interrupt Rating | 80 kA, 50 kA | 80 kA, 50 kA | 80 kA, 50 kA |
| Mounting Style | Stud | Stud | Stud |
| Termination Style | Bolt Down | Bolt Down | Bolt Down |
| Indicator Style | Open Fuse | Open Fuse | Open Fuse |
| Packaging | Bulk | Bulk | Bulk |
| Length | 19 1/4 in | 19 1/4 in | 19 1/4 in |
| Type | R-Rated Fuse | R-Rated Fuse | R-Rated Fuse |
| Width | 17 7/8 in | 17 7/8 in | 17 7/8 in |
| Brand | Bussmann / Eaton | Bussmann / Eaton | Bussmann / Eaton |
| Product Type | R-Rated Medium Voltage Fuse | R-Rated Medium Voltage Fuse | R-Rated Medium Voltage Fuse |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Fuses | Fuses | Fuses |
| Unit Weight | 10.300 lbs | 10.300 lbs | 0.016000 oz |