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| Part Number | PSR072UL0550X | PSR073UL0550X | PSR072DL0550X | PSR072UL0250X | PSR072UL0350X | PSR072UL0450X | PSR072UL0500X |
|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
| Mounting Type | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount |
| Fuse Type | Square | Square | Square | Square | Square | Square | Square |
| Current Rating (Amps) | 550A | 550A | 550A | 250A | 350A | 450A | 500A |
| Voltage Rating - AC | 1.3 kV | 1.3 kV | 1.3 kV | 1.3 kV | 1.3 kV | 1.3 kV | 1.3 kV |
| Voltage Rating - DC | 1 kV | 1 kV | 1 kV | 1 kV | 1 kV | 1 kV | 1 kV |
| Response Time | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow |
| Applications | Semiconductors | Semiconductors | Semiconductors | Semiconductors | Semiconductors | Semiconductors | Semiconductors |
| Features | Indicating | Indicating | Indicating | Indicating | Indicating | Indicating | Indicating |
| Class | - | - | - | - | - | - | - |
| Approval Agency | CE, cURus, UL | CE, cURus, UL | CCC, CE, cURus, UL | CE, cURus, UL | CE, cURus, UL | CE, cURus, UL | CE, cURus, UL |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Breaking Capacity @ Rated Voltage | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 100kA AC, 150kA DC |
| Package / Case | - | - | - | - | - | - | - |
| Size / Dimension | 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) | 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) | 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) | 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) | 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) | 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) | 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) |
