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
| Bilde | Manufacturer Part Number | Beskrivelse | Nominell spenning - AC (vekselstrøm) | Tilgjengelig antall | Pris | Vis detaljer | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | PSR030DL0050Z | FUSE SQUARE 50A 700VAC/600VDC | 700VAC | 0 - Immediate | $2,158.02 | Vis detaljer |
![]() | ![]() | PSR030DL0200Z | FUSE SQUARE 200A 700VAC/600VDC | 700VAC | 0 - Immediate 12 - Factory Stock | $2,672.72 | Vis detaljer |
![]() | ![]() | PSR030DS0500Z | FUSE SQUARE 500A 700VAC/600VDC | 700VAC | 3 - Immediate 9 - Factory Stock | $2,769.82 | Vis detaljer |
![]() | ![]() | PSR030UL0100Z | FUSE SQUARE 100A 700VAC/600VDC | 700VAC | 0 - Immediate | $2,672.72 | Vis detaljer |
![]() | ![]() | PSR030UL0250Z | FUSE SQUARE 250A 700VAC/600VDC | 700VAC | 0 - Immediate 3 - Factory Stock | $2,239.63 | Vis detaljer |
![]() | ![]() | PSR030UL0500Z | FUSE SQUARE 500A 700VAC/600VDC | 700VAC | 0 - Immediate | $2,401.91 | Vis detaljer |
PSR031 Series
| Bilde | Manufacturer Part Number | Beskrivelse | Nominell spenning - AC (vekselstrøm) | Tilgjengelig antall | Pris | Vis detaljer | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | PSR031DL0250Z | FUSE SQUARE 250A 700VAC/600VDC | 700VAC | 0 - Immediate 3 - Factory Stock | $2,962.92 | Vis detaljer |
![]() | ![]() | PSR031DL0630Z | FUSE SQUARE 630A 700VAC/600VDC | 700VAC | 0 - Immediate | $3,119.81 | Vis detaljer |
![]() | ![]() | PSR031UL0200Z | FUSE SQUARE 200A 700VAC/600VDC | 700VAC | 4 - Immediate 6 - Factory Stock | $2,962.92 | Vis detaljer |
![]() | ![]() | PSR031UL0400Z | FUSE SQUARE 400A 700VAC/600VDC | 700VAC | 0 - Immediate 3 - Factory Stock | $2,962.92 | Vis detaljer |
![]() | ![]() | PSR031UL0500Z | FUSE SQUARE 500A 700VAC/600VDC | 700VAC | 0 - Immediate 9 - Factory Stock | $2,643.37 | Vis detaljer |
![]() | ![]() | PSR031UL0700Z | FUSE SQUARE 700A 700VAC/600VDC | 700VAC | 3 - Immediate | $3,723.88 | Vis detaljer |
![]() | ![]() | PSR031US0250Z | FUSE SQUARE 250A 700VAC/600VDC | 700VAC | 0 - Immediate 6 - Factory Stock | $2,866.56 | Vis detaljer |
![]() | ![]() | PSR031US0500Z | FUSE SQUARE 500A 700VAC/600VDC | 700VAC | 0 - Immediate 21 - Factory Stock | $3,059.09 | Vis detaljer |
PSR032 Series
| Bilde | Manufacturer Part Number | Beskrivelse | Nominell spenning - AC (vekselstrøm) | Tilgjengelig antall | Pris | Vis detaljer | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | PSR032DL0700X | FUSE SQUARE 700A 700VAC/600VDC | 700VAC | 0 - Immediate | $3,276.69 | Vis detaljer |
![]() | ![]() | PSR032DS0500X | FUSE SQUARE 500A 700VAC/600VDC | 700VAC | 0 - Immediate 8 - Factory Stock | $3,250.31 | Vis detaljer |
![]() | ![]() | PSR032UL0630X | FUSE SQUARE 630A 700VAC/600VDC | 700VAC | 0 - Immediate | $3,276.69 | Vis detaljer |
![]() | ![]() | PSR032UL1000X | FUSE SQUARE 1KA 700VAC/600VDC | 700VAC | 10 - Immediate 4 - Factory Stock | $4,098.28 | Vis detaljer |
![]() | ![]() | PSR032US0450X | FUSE SQUARE 450A 700VAC/600VDC | 700VAC | 0 - Immediate 4 - Factory Stock | $3,095.58 | Vis detaljer |
![]() | ![]() | PSR032US0500X | FUSE SQUARE 500A 700VAC/600VDC | 700VAC | 0 - Immediate 2 - Factory Stock | $3,095.58 | Vis detaljer |
![]() | ![]() | PSR032US0800X | FUSE SQUARE 800A 700VAC/600VDC | 700VAC | 2 - Immediate 7 - Factory Stock | $3,911.54 | Vis detaljer |
PSR033 Series
| Bilde | Manufacturer Part Number | Beskrivelse | Nominell spenning - AC (vekselstrøm) | Tilgjengelig antall | Pris | Vis detaljer | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | PSR033DL0500X | FUSE SQUARE 500A 700VAC/600VDC | 700VAC | 0 - Immediate 2 - Factory Stock | $4,432.17 | Vis detaljer |
![]() | ![]() | PSR033DL1000X | FUSE SQUARE 1KA 700VAC/600VDC | 700VAC | 0 - Immediate | $4,781.31 | Vis detaljer |
![]() | ![]() | PSR033UL0500X | FUSE SQUARE 500A 700VAC/600VDC | 700VAC | 0 - Immediate 4 - Factory Stock | $4,653.79 | Vis detaljer |
![]() | ![]() | PSR033UL1000X | FUSE SQUARE 1KA 700VAC/600VDC | 700VAC | 0 - Immediate | $5,020.33 | Vis detaljer |
![]() | ![]() | PSR033UL1250X | FUSE SQUARE 1.25KA 700VAC/500VDC | 700VAC | 0 - Immediate 75 - Factory Stock | $5,020.33 | Vis detaljer |
![]() | ![]() | PSR033US0500X | FUSE SQUARE 500A 700VAC/600VDC | 700VAC | 0 - Immediate 8 - Factory Stock | $4,344.41 | Vis detaljer |
![]() | ![]() | PSR033US0700X | FUSE SQUARE 700A 700VAC/600VDC | 700VAC | 0 - Immediate | $4,344.41 | Vis detaljer |
![]() | ![]() | PSR033US0800X | FUSE SQUARE 800A 700VAC/600VDC | 700VAC | 0 - Immediate 2 - Factory Stock | $4,344.41 | Vis detaljer |
PSR070 Series
| Bilde | Manufacturer Part Number | Beskrivelse | Nominell spenning - AC (vekselstrøm) | Tilgjengelig antall | Pris | Vis detaljer | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | PSR070DL0200Z | FUSE SQUARE 200A 1.3KVAC/1KVDC | 1,3kVAC | 0 - Immediate 3 - Factory Stock | $3,355.25 | Vis detaljer |
![]() | ![]() | PSR070UL0050Z | FUSE SQUARE 50A 1.3KVAC/1KVDC | 1,3kVAC | 0 - Immediate 42 - Factory Stock | $3,629.67 | Vis detaljer |
![]() | ![]() | PSR070UL0100Z | FUSE SQ 100A 1.3KVAC/1KVDC 1=1PC | 1,3kVAC | 78 - Immediate 27 - Factory Stock | $3,629.67 | Vis detaljer |
![]() | ![]() | PSR070UL0125Z | FUSE SQUARE 125A 1.3KVAC/1KVDC | 1,3kVAC | 48 - Immediate | $4,005.00 | Vis detaljer |
![]() | ![]() | PSR070UL0200Z | FUSE SQUARE 200A 1.3KVAC/1KVDC | 1,3kVAC | 12 - Immediate | $4,005.00 | Vis detaljer |
![]() | ![]() | PSR070UL0250Z | FUSE SQUARE 250A 1.3KVAC/1KVDC | 1,3kVAC | 8 - Immediate | $4,005.00 | Vis detaljer |
PSR071 Series
| Bilde | Manufacturer Part Number | Beskrivelse | Nominell spenning - AC (vekselstrøm) | Tilgjengelig antall | Pris | Vis detaljer | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | PSR071UL0250Z | FUSE SQUARE 250A 1.3KVAC/1KVDC | 1,3kVAC | 3 - Immediate 3 - Factory Stock | $4,191.36 | Vis detaljer |
![]() | ![]() | PSR071UL0450Z | FUSE SQUARE 450A 1.3KVAC/1KVDC | 1,3kVAC | 0 - Immediate 3 - Factory Stock | $3,821.30 | Vis detaljer |
PSR072 Series
| Bilde | Manufacturer Part Number | Beskrivelse | Nominell spenning - AC (vekselstrøm) | Tilgjengelig antall | Pris | Vis detaljer | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | PSR072DL0400X | FUSE SQUARE 400A 1.3KVAC/1KVDC | 1,3kVAC | 5 - Immediate 10 - Factory Stock | $4,745.66 | Vis detaljer |
![]() | ![]() | PSR072DL0500X | FUSE SQUARE 500A 1.3KVAC/1KVDC | 1,3kVAC | 1 - Immediate 230 - Factory Stock | $5,202.67 | Vis detaljer |
![]() | ![]() | PSR072UL0250X | FUSE SQUARE 250A 1.3KVAC/1KVDC | 1,3kVAC | 0 - Immediate 21 - Factory Stock | $4,745.66 | Vis detaljer |
![]() | ![]() | PSR072UL0350X | FUSE SQUARE 350A 1.3KVAC/1KVDC | 1,3kVAC | 0 - Immediate | $4,519.64 | Vis detaljer |
![]() | ![]() | PSR072UL0450X | FUSE SQUARE 450A 1.3KVAC/1KVDC | 1,3kVAC | 0 - Immediate 5 - Factory Stock | $5,202.67 | Vis detaljer |
![]() | ![]() | PSR072UL0500X | FUSE SQUARE 500A 1.3KVAC/1KVDC | 1,3kVAC | 1 - Immediate 42 - Factory Stock | $5,202.67 | Vis detaljer |
PSR073 Series
| Bilde | Manufacturer Part Number | Beskrivelse | Nominell spenning - AC (vekselstrøm) | Tilgjengelig antall | Pris | Vis detaljer | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | PSR073DL0500X | FUSE SQUARE 500A 1.3KVAC/1KVDC | 1,3kVAC | 0 - Immediate | $5,111.55 | Vis detaljer |
![]() | ![]() | PSR073DL0630X | FUSE SQUARE 630A 1.3KVAC/1KVDC | 1,3kVAC | 0 - Immediate 9 - Factory Stock | $5,293.51 | Vis detaljer |
![]() | ![]() | PSR073UL0350X | FUSE SQUARE 350A 1.3KVAC/1KVDC | 1,3kVAC | 1 - Immediate 16 - Factory Stock | $5,111.55 | Vis detaljer |
![]() | ![]() | PSR073UL0450X | FUSE SQUARE 450A 1.3KVAC/1KVDC | 1,3kVAC | 1 - Immediate | $5,111.55 | Vis detaljer |
![]() | ![]() | PSR073UL0500X | FUSE SQUARE 500A 1.3KVAC/1KVDC | 1,3kVAC | 1 - Immediate 3 - Factory Stock | $5,111.55 | Vis detaljer |
![]() | ![]() | PSR073UL0700X | FUSE SQUARE 700A 1.3KVAC/1KVDC | 1,3kVAC | 0 - Immediate | $5,386.31 | Vis detaljer |























