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| PartNumber | FLSR4 | FLSR400.XXID | FLSR400.X |
| Description | Industrial & Electrical Fuses 400A 600VAC 300VDC Class RK5 | Industrial & Electrical Fuses 400A 600VAC 300VDC Class RK5 | |
| Manufacturer | Littelfuse Inc. | - | - |
| Product Category | Electrical, Specialty Fuses | - | - |
| Series | POWR-GARDR FLSR | - | - |
| Product | Class RK5 Fuse | - | - |
| Type | Power Guard | - | - |
| Packaging | Bulk | - | - |
| Mounting Style | Holder | - | - |
| Current Rating | 400A | - | - |
| Termination Style | Knife Blade | - | - |
| Tradename | POWR-GARD | - | - |
| Package Case | Cylindrical, Blade Terminals | - | - |
| Operating Temperature | - | - | - |
| Mounting Type | Holder | - | - |
| Features | - | - | - |
| Size Dimension | 2.594" Dia x 11.626" L (65.90mm x 295.30mm) | - | - |
| Applications | Electrical, Industrial | - | - |
| Voltage Rating AC | 600 V | - | - |
| Voltage Rating DC | 300 VDC | - | - |
| Fuse Type | Cartridge | - | - |
| Response Time | Slow | - | - |
| Class | RK5 | - | - |
| Approvals | CE, CSA, QPL, UL | - | - |
| Breaking Capacity Rated Voltage | 200kA AC, 20kA DC | - | - |
| Product Type | Industrial Power Fuses | - | - |
| Fuse Size Group | Class RK5 | - | - |
| Indicator Style | Without Indicator | - | - |
| Interrupt Rating | 200 kA at 600 VAC / 20 kA at 300 VDC | - | - |
| Body Style | Cartridge Blade Fuses | - | - |