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| PartNumber | FWJ-400A | FWJ-450A | FWJ-40A |
| Description | Specialty Fuses 1000V 400Arms Semiconductor | Specialty Fuses 1000V 450Arms Semiconductor | Specialty Fuses 1000V 40Arms Semiconducto |
| Manufacturer | Eaton | Eaton | Eaton/Bussmann |
| Product Category | Specialty Fuses | Specialty Fuses | Electrical, Specialty Fuses |
| RoHS | N | N | - |
| Series | FWJ_A 1000V | FWJ_A 1000V | FWJ |
| Product | Specialty Fuses | Specialty Fuses | Specialty Fuses |
| Body Style | Cartridge Blade Fuses | Cartridge Blade Fuses | Cartridge Blade Fuses |
| Current Rating | 400 A | 450 A | 40A |
| Voltage Rating AC | 1 kVAC | 1 kVAC | 1 kV |
| Interrupt Rating | 100 kA | 100 kA | 25 kA |
| Mounting Style | Stud | Stud | Stud |
| Termination Style | Bolt Down | Bolt Down | Bolt Down |
| Fuse Type | Fast Blow | Fast Blow | Cartridge |
| Indicator Style | Without Indicator | Without Indicator | Without Indicator |
| Packaging | Bulk | Bulk | * |
| Diameter | 2 in | - | 0.94 in |
| Length | 5.76 in | 7 7/32 in | 5 in |
| Type | High Speed Fuse | High Speed Fuse | High Speed Fuse |
| Brand | Bussmann / Eaton | Bussmann / Eaton | - |
| Product Type | High Speed North American Fuse | High Speed North American Fuse | High Speed North American Fuse |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Fuses | Fuses | - |
| Unit Weight | 1.228 lbs | 2.650 lbs | 6.688000 oz |
| Part Aliases | - | - | FWJ-40A |
| Package Case | - | - | * |
| Operating Temperature | - | - | - |
| Mounting Type | - | - | * |
| Features | - | - | - |
| Size Dimension | - | - | * |
| Applications | - | - | Electrical, Industrial |
| Voltage Rating DC | - | - | 800V |
| Response Time | - | - | - |
| Class | - | - | - |
| Approvals | - | - | CE, UR |
| Breaking Capacity Rated Voltage | - | - | 25kA AC, 50kA DC |