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| Part Number | L70QS450.X | L70S450.X | L50QS450.X | L70QS250.X | L70QS350.X | L70QS400.X |
|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active |
| Mounting Type | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount |
| Fuse Type | Cartridge | Cartridge | Cartridge | Cartridge | Cartridge | Cartridge |
| Current Rating (Amps) | 450A | 450A | 450A | 250A | 350A | 400A |
| Voltage Rating - AC | 700 V | 700 V | 500 V | 700 V | 700 V | 700 V |
| Voltage Rating - DC | 700 V | 650 V | 500 V | 700 V | 700 V | 700 V |
| Response Time | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow |
| Applications | Semiconductors | Semiconductors | Semiconductors | Semiconductors | Semiconductors | Semiconductors |
| Features | - | - | - | - | - | - |
| Class | - | - | - | - | - | - |
| Approval Agency | CE, cURus, UR | CE, CSA, UR | CE, cURus, UR | CE, cURus, UR | CE, cURus, UR | CE, cURus, UR |
| Operating Temperature | -55°C ~ 125°C | - | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Breaking Capacity @ Rated Voltage | 200kA AC, 50kA DC | 200kA AC, 20kA DC | 200kA AC, 50kA DC | 200kA AC, 50kA DC | 200kA AC, 50kA DC | 200kA AC, 50kA DC |
| Package / Case | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) |
| Size / Dimension | 2.000" Dia x 7.090" L (50.80mm x 180.08mm) | 2.500" Dia x 2.843" L (63.50mm x 72.20mm) | 2.000" Dia x 4.468" L (50.80mm x 113.49mm) | 2.000" Dia x 5.094" L (50.80mm x 129.39mm) | 2.000" Dia x 5.094" L (50.80mm x 129.39mm) | 2.000" Dia x 5.094" L (50.80mm x 129.39mm) |
