| PartNumber | PSR031FL0350Z | PSR031FL0400Z | PSR031FL0315Z |
| Description | Specialty Fuses 350A 700V SIZE 31 Flush End Mtrc Thred | Specialty Fuses 400A 700V SIZE 31 Flush End Mtrc Thred | Specialty Fuses 315A 700V SIZE 31 Flush End Mtrc Thred |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Specialty Fuses | Specialty Fuses | Specialty Fuses |
| RoHS | Y | Y | Y |
| Series | PSR | PSR | PSR |
| Product | Specialty Fuses | Specialty Fuses | Specialty Fuses |
| Body Style | Square Body Fuses | Square Body Fuses | Square Body Fuses |
| Current Rating | 350 A | 400 A | 315 A |
| Voltage Rating AC | 700 VAC | 700 VAC | 700 VAC |
| Voltage Rating DC | 600 VDC | 600 VDC | 600 VDC |
| Mounting Style | Holder | Holder | Holder |
| Termination Style | Quick Connect | Quick Connect | Quick Connect |
| Fuse Type | Fast Blow | Fast Blow | Fast Blow |
| Fuse Size / Group | 31 | 31 | 31 |
| Indicator Style | Visual Side Indicator | Visual Side Indicator | Visual Side Indicator |
| Packaging | Bulk | Bulk | Bulk |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Fuses | Fuses | Fuses |
| Tradename | Powr-SPEED | Powr-SPEED | Powr-SPEED |