POWR-SPEED® Line of High-Speed (Semiconductor) Blade Fuses – PSR Series
Littelfuse's PSR series high-speed square body semiconductor fuses are designed for protection of power semiconductor devices
Littelfuse PSR series high-speed square body fuses are specially designed for protection of power semiconductor devices such as diodes, TRIACs, SCRs, MOSFETs, IGBT-based applications, and other solid-state devices that are typically designed into power conversion and power conditioning equipment.
- Extremely current limiting
- Low watt loss
- Universal blade mounting
- Optimized design
- RoHS and REACH compliant
- Optimized performance
- Reduces peak let-through current and let-through energy (I2t)
- Less energy wasted during operation
- Laser-etched resistance values eliminate labels that erode over time
- Quick and easy field replacement
- Better energy efficiency and improved protection levels
- Environmentally friendly, offering greater acceptance globally
- Industrial electronics
- Renewable energy
- EV infrastructure
- Power conversion devices
- DC systems
- Heaters and power supplies
- Battery protection applications
- Electric vehicle charging stations
PSR030 Series
Image | Manufacturer Part Number | Description | Voltage Rating - AC | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|
![]() | ![]() | PSR030DL0050Z | FUSE SQUARE 50A 700VAC/600VDC | 700 VAC | 0 - Immediate | $189.29 | View Details |
![]() | ![]() | PSR030DL0200Z | FUSE SQUARE 200A 700VAC/600VDC | 700 VAC | 0 - Immediate 15 - Factory Stock | $196.44 | View Details |
![]() | ![]() | PSR030DS0500Z | FUSE SQUARE 500A 700VAC/600VDC | 700 VAC | 3 - Immediate | $231.37 | View Details |
![]() | ![]() | PSR030UL0100Z | FUSE SQUARE 100A 700VAC/600VDC | 700 VAC | 0 - Immediate 3 - Factory Stock | $199.19 | View Details |
![]() | ![]() | PSR030UL0250Z | FUSE SQUARE 250A 700VAC/600VDC | 700 VAC | 0 - Immediate | $196.44 | View Details |
![]() | ![]() | PSR030UL0500Z | FUSE SQUARE 500A 700VAC/600VDC | 700 VAC | 0 - Immediate | $210.68 | View Details |
PSR031 Series
Image | Manufacturer Part Number | Description | Voltage Rating - AC | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|
![]() | ![]() | PSR031DL0250Z | FUSE SQUARE 250A 700VAC/600VDC | 700 VAC | 0 - Immediate | $247.51 | View Details |
![]() | ![]() | PSR031DL0630Z | FUSE SQUARE 630A 700VAC/600VDC | 700 VAC | 0 - Immediate | $273.65 | View Details |
![]() | ![]() | PSR031UL0200Z | FUSE SQUARE 200A 700VAC/600VDC | 700 VAC | 4 - Immediate 6 - Factory Stock | $247.51 | View Details |
![]() | ![]() | PSR031UL0400Z | FUSE SQUARE 400A 700VAC/600VDC | 700 VAC | 0 - Immediate 3 - Factory Stock | $247.51 | View Details |
![]() | ![]() | PSR031UL0500Z | FUSE SQUARE 500A 700VAC/600VDC | 700 VAC | 0 - Immediate 3 - Factory Stock | $231.86 | View Details |
![]() | ![]() | PSR031UL0700Z | FUSE SQUARE 700A 700VAC/600VDC | 700 VAC | 3 - Immediate | $311.07 | View Details |
![]() | ![]() | PSR031US0250Z | FUSE SQUARE 250A 700VAC/600VDC | 700 VAC | 0 - Immediate 9 - Factory Stock | $210.68 | View Details |
![]() | ![]() | PSR031US0500Z | FUSE SQUARE 500A 700VAC/600VDC | 700 VAC | 0 - Immediate 21 - Factory Stock | $224.82 | View Details |
PSR032 Series
Image | Manufacturer Part Number | Description | Voltage Rating - AC | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|
![]() | ![]() | PSR032DL0700X | FUSE SQUARE 700A 700VAC/600VDC | 700 VAC | 0 - Immediate | $287.41 | View Details |
![]() | ![]() | PSR032DS0500X | FUSE SQUARE 500A 700VAC/600VDC | 700 VAC | 0 - Immediate 8 - Factory Stock | $271.52 | View Details |
![]() | ![]() | PSR032UL0630X | FUSE SQUARE 630A 700VAC/600VDC | 700 VAC | 0 - Immediate 3 - Factory Stock | $287.41 | View Details |
![]() | ![]() | PSR032UL1000X | FUSE SQUARE 1KA 700VAC/600VDC | 700 VAC | 0 - Immediate 7 - Factory Stock | $342.36 | View Details |
![]() | ![]() | PSR032US0450X | FUSE SQUARE 450A 700VAC/600VDC | 700 VAC | 0 - Immediate 3 - Factory Stock | $271.52 | View Details |
![]() | ![]() | PSR032US0500X | FUSE SQUARE 500A 700VAC/600VDC | 700 VAC | 0 - Immediate 5 - Factory Stock | $271.52 | View Details |
![]() | ![]() | PSR032US0800X | FUSE SQUARE 800A 700VAC/600VDC | 700 VAC | 2 - Immediate 10 - Factory Stock | $326.75 | View Details |
PSR033 Series
Image | Manufacturer Part Number | Description | Voltage Rating - AC | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|
![]() | ![]() | PSR033DL0500X | FUSE SQUARE 500A 700VAC/600VDC | 700 VAC | 0 - Immediate | $388.75 | View Details |
![]() | ![]() | PSR033DL1000X | FUSE SQUARE 1KA 700VAC/600VDC | 700 VAC | 0 - Immediate 3 - Factory Stock | $419.38 | View Details |
![]() | ![]() | PSR033UL0500X | FUSE SQUARE 500A 700VAC/600VDC | 700 VAC | 0 - Immediate 4 - Factory Stock | $388.75 | View Details |
![]() | ![]() | PSR033UL1000X | FUSE SQUARE 1KA 700VAC/600VDC | 700 VAC | 0 - Immediate 3 - Factory Stock | $419.38 | View Details |
![]() | ![]() | PSR033UL1250X | FUSE SQUARE 1.25KA 700VAC/500VDC | 700 VAC | 0 - Immediate 79 - Factory Stock | $419.38 | View Details |
![]() | ![]() | PSR033US0500X | FUSE SQUARE 500A 700VAC/600VDC | 700 VAC | 0 - Immediate | $381.06 | View Details |
![]() | ![]() | PSR033US0700X | FUSE SQUARE 700A 700VAC/600VDC | 700 VAC | 0 - Immediate | $381.06 | View Details |
![]() | ![]() | PSR033US0800X | FUSE SQUARE 800A 700VAC/600VDC | 700 VAC | 0 - Immediate | $381.06 | View Details |
PSR070 Series
Image | Manufacturer Part Number | Description | Voltage Rating - AC | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|
![]() | ![]() | PSR070DL0200Z | FUSE SQUARE 200A 1.3KVAC/1KVDC | 1.3 kVAC | 0 - Immediate 6 - Factory Stock | $294.30 | View Details |
![]() | ![]() | PSR070UL0050Z | FUSE SQUARE 50A 1.3KVAC/1KVDC | 1.3 kVAC | 0 - Immediate 51 - Factory Stock | $277.83 | View Details |
![]() | ![]() | PSR070UL0100Z | FUSE SQ 100A 1.3KVAC/1KVDC 1=1PC | 1.3 kVAC | 10 - Immediate 135 - Factory Stock | $303.20 | View Details |
![]() | ![]() | PSR070UL0125Z | FUSE SQUARE 125A 1.3KVAC/1KVDC | 1.3 kVAC | 0 - Immediate | $334.56 | View Details |
![]() | ![]() | PSR070UL0200Z | FUSE SQUARE 200A 1.3KVAC/1KVDC | 1.3 kVAC | 20 - Immediate 36 - Factory Stock | $293.93 | View Details |
![]() | ![]() | PSR070UL0250Z | FUSE SQUARE 250A 1.3KVAC/1KVDC | 1.3 kVAC | 6 - Immediate 30 - Factory Stock | $334.56 | View Details |
PSR071 Series
Image | Manufacturer Part Number | Description | Voltage Rating - AC | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|
![]() | ![]() | PSR071UL0250Z | FUSE SQUARE 250A 1.3KVAC/1KVDC | 1.3 kVAC | 2 - Immediate 6 - Factory Stock | $350.13 | View Details |
![]() | ![]() | PSR071UL0450Z | FUSE SQUARE 450A 1.3KVAC/1KVDC | 1.3 kVAC | 0 - Immediate 3 - Factory Stock | $335.18 | View Details |
PSR072 Series
Image | Manufacturer Part Number | Description | Voltage Rating - AC | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|
![]() | ![]() | PSR072DL0400X | FUSE SQUARE 400A 1.3KVAC/1KVDC | 1.3 kVAC | 7 - Immediate 10 - Factory Stock | $396.43 | View Details |
![]() | ![]() | PSR072DL0500X | FUSE SQUARE 500A 1.3KVAC/1KVDC | 1.3 kVAC | 1 - Immediate 240 - Factory Stock | $434.60 | View Details |
![]() | ![]() | PSR072UL0250X | FUSE SQUARE 250A 1.3KVAC/1KVDC | 1.3 kVAC | 0 - Immediate 21 - Factory Stock | $396.43 | View Details |
![]() | ![]() | PSR072UL0350X | FUSE SQUARE 350A 1.3KVAC/1KVDC | 1.3 kVAC | 0 - Immediate | $396.43 | View Details |
![]() | ![]() | PSR072UL0450X | FUSE SQUARE 450A 1.3KVAC/1KVDC | 1.3 kVAC | 1 - Immediate 5 - Factory Stock | $434.60 | View Details |
![]() | ![]() | PSR072UL0500X | FUSE SQUARE 500A 1.3KVAC/1KVDC | 1.3 kVAC | 1 - Immediate 69 - Factory Stock | $434.60 | View Details |
PSR073 Series
Image | Manufacturer Part Number | Description | Voltage Rating - AC | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|---|
![]() | ![]() | PSR073DL0500X | FUSE SQUARE 500A 1.3KVAC/1KVDC | 1.3 kVAC | 0 - Immediate 10 - Factory Stock | $427.00 | View Details |
![]() | ![]() | PSR073DL0630X | FUSE SQUARE 630A 1.3KVAC/1KVDC | 1.3 kVAC | 0 - Immediate 23 - Factory Stock | $442.20 | View Details |
![]() | ![]() | PSR073UL0350X | FUSE SQUARE 350A 1.3KVAC/1KVDC | 1.3 kVAC | 1 - Immediate 17 - Factory Stock | $427.00 | View Details |
![]() | ![]() | PSR073UL0450X | FUSE SQUARE 450A 1.3KVAC/1KVDC | 1.3 kVAC | 1 - Immediate 6 - Factory Stock | $427.00 | View Details |
![]() | ![]() | PSR073UL0500X | FUSE SQUARE 500A 1.3KVAC/1KVDC | 1.3 kVAC | 1 - Immediate 4 - Factory Stock | $427.00 | View Details |
![]() | ![]() | PSR073UL0700X | FUSE SQUARE 700A 1.3KVAC/1KVDC | 1.3 kVAC | 0 - Immediate 1 - Factory Stock | $472.44 | View Details |