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| PartNumber | BK/74A-1-1/4 | BK/74B-3 | BK/74C-5 |
| Description | Specialty Fuses BK/74A-1-1/4 | Specialty Fuses BK/74B-3 | Specialty Fuses BK/74C-5 |
| Manufacturer | Bussmann / Eaton | Eaton | Eaton |
| Product Category | Electrical, Specialty Fuses | Miscellaneous | Miscellaneous |
| Series | 74 | * | * |
| Product | Specialty Fuses | Specialty Fuses | Specialty Fuses |
| Type | Telecommunication Power Fuse | Telecommunication Power Fuse | Telecommunication Power Fuse |
| Packaging | Bulk | Bulk | Bulk |
| Part Aliases | 74A-1-1-4 BK-74A-1-1-4 | 74B-3 BK-74B-3 | 74C-5 BK-74C-5 |
| Unit Weight | 0.064000 oz | 0.096000 oz | 0.096000 oz |
| Mounting Style | Holder | Holder | Holder |
| Current Rating | 1.25 A | 3 A | 5 A |
| Termination Style | Clip | Clip | Clip |
| Length | 31.75 mm | 31.75 mm | 31.75 mm |
| Fuse Type | Fast Blow | Fast Blow | Fast Blow |
| Diameter | 7.14 mm | 7.14 mm | 7.14 mm |
| Product Type | Telpower Specialty Fast Acting Fuse | Telpower Specialty Fast Acting Fuse | Telpower Specialty Fast Acting Fuse |
| Voltage Rating DC | 60 VDC | 60 VDC | 60 VDC |
| Fuse Size Group | 4AG | 4AG | 4AG |
| Indicator Style | Without Indicator | Without Indicator | Without Indicator |
| Body Style | Cartridge Fuses | Cartridge Fuses | Cartridge Fuses |
| For Use With Related Products | - | - | - |
| Accessory Type | - | - | - |
| Package Case | - | - | - |
| Operating Temperature | - | - | - |
| Interface | - | - | - |
| Voltage Supply | - | - | - |
| Supplier Device Package | - | - | - |
| Memory Size | - | - | - |
| Memory Type | - | - | - |
| Speed | - | - | - |
| Format Memory | - | - | - |