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

Image of Littelfuse's POWR-SPEED® Line of High-Speed (Semiconductor) Blade Fuses – PSR SeriesLittelfuse 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.

POWR-SPEED Product Flyer

POWR-SPEED Cross-Reference

Features and Benefits
  • 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
Applications
  • Industrial electronics
  • Renewable energy
  • EV infrastructure
  • Power conversion devices
  • DC systems
  • Heaters and power supplies
  • Battery protection applications
  • Electric vehicle charging stations

PSR030 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 50A 700VAC/600VDCPSR030DL0050ZFUSE SQUARE 50A 700VAC/600VDC700 VAC0 - Immediate$1,816.53View Details
FUSE SQUARE 200A 700VAC/600VDCPSR030DL0200ZFUSE SQUARE 200A 700VAC/600VDC700 VAC0 - Immediate
15 - Factory Stock
$1,885.21View Details
FUSE SQUARE 500A 700VAC/600VDCPSR030DS0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC3 - Immediate$2,220.42View Details
FUSE SQUARE 100A 700VAC/600VDCPSR030UL0100ZFUSE SQUARE 100A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$1,885.21View Details
FUSE SQUARE 250A 700VAC/600VDCPSR030UL0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate$1,885.21View Details
FUSE SQUARE 500A 700VAC/600VDCPSR030UL0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate$2,021.83View Details

PSR031 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 250A 700VAC/600VDCPSR031DL0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate
6 - Factory Stock
$2,375.26View Details
FUSE SQUARE 630A 700VAC/600VDCPSR031DL0630ZFUSE SQUARE 630A 700VAC/600VDC700 VAC0 - Immediate$2,626.15View Details
FUSE SQUARE 200A 700VAC/600VDCPSR031UL0200ZFUSE SQUARE 200A 700VAC/600VDC700 VAC4 - Immediate
6 - Factory Stock
$2,375.26View Details
FUSE SQUARE 400A 700VAC/600VDCPSR031UL0400ZFUSE SQUARE 400A 700VAC/600VDC700 VAC0 - Immediate$2,375.26View Details
FUSE SQUARE 500A 700VAC/600VDCPSR031UL0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$2,225.05View Details
FUSE SQUARE 700A 700VAC/600VDCPSR031UL0700ZFUSE SQUARE 700A 700VAC/600VDC700 VAC3 - Immediate$2,985.25View Details
FUSE SQUARE 250A 700VAC/600VDCPSR031US0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate
9 - Factory Stock
$2,021.83View Details
FUSE SQUARE 500A 700VAC/600VDCPSR031US0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
21 - Factory Stock
$2,157.52View Details

PSR032 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 700A 700VAC/600VDCPSR032DL0700XFUSE SQUARE 700A 700VAC/600VDC700 VAC0 - Immediate$2,758.13View Details
FUSE SQUARE 500A 700VAC/600VDCPSR032DS0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
8 - Factory Stock
$2,605.67View Details
FUSE SQUARE 630A 700VAC/600VDCPSR032UL0630XFUSE SQUARE 630A 700VAC/600VDC700 VAC0 - Immediate
12 - Factory Stock
$2,758.13View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR032UL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC0 - Immediate$3,285.47View Details
FUSE SQUARE 450A 700VAC/600VDCPSR032US0450XFUSE SQUARE 450A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$2,605.67View Details
FUSE SQUARE 500A 700VAC/600VDCPSR032US0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate$2,605.67View Details
FUSE SQUARE 800A 700VAC/600VDCPSR032US0800XFUSE SQUARE 800A 700VAC/600VDC700 VAC2 - Immediate
10 - Factory Stock
$3,135.73View Details

PSR033 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 500A 700VAC/600VDCPSR033DL0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
2 - Factory Stock
$3,730.74View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR033DL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC0 - Immediate
4 - Factory Stock
$4,024.62View Details
FUSE SQUARE 500A 700VAC/600VDCPSR033UL0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
4 - Factory Stock
$3,730.74View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR033UL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$4,024.62View Details
FUSE SQUARE 1.25KA 700VAC/500VDCPSR033UL1250XFUSE SQUARE 1.25KA 700VAC/500VDC700 VAC0 - Immediate
79 - Factory Stock
$4,024.62View Details
FUSE SQUARE 500A 700VAC/600VDCPSR033US0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
10 - Factory Stock
$3,656.90View Details
FUSE SQUARE 700A 700VAC/600VDCPSR033US0700XFUSE SQUARE 700A 700VAC/600VDC700 VAC0 - Immediate
38 - Factory Stock
$3,656.90View Details
FUSE SQUARE 800A 700VAC/600VDCPSR033US0800XFUSE SQUARE 800A 700VAC/600VDC700 VAC0 - Immediate$3,656.90View Details

PSR070 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 200A 1.3KVAC/1KVDCPSR070DL0200ZFUSE SQUARE 200A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
9 - Factory Stock
$2,824.32View Details
FUSE SQUARE 50A 1.3KVAC/1KVDCPSR070UL0050ZFUSE SQUARE 50A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
51 - Factory Stock
$2,559.74View Details
FUSE SQUARE 100A 1.3KVAC/1KVDCPSR070UL0100ZFUSE SQUARE 100A 1.3KVAC/1KVDC1.3 kVAC8 - Immediate
144 - Factory Stock
$2,909.68View Details
FUSE SQUARE 125A 1.3KVAC/1KVDCPSR070UL0125ZFUSE SQUARE 125A 1.3KVAC/1KVDC1.3 kVAC7 - Immediate$3,210.64View Details
FUSE SQUARE 200A 1.3KVAC/1KVDCPSR070UL0200ZFUSE SQUARE 200A 1.3KVAC/1KVDC1.3 kVAC20 - Immediate
36 - Factory Stock
$3,210.64View Details
FUSE SQUARE 250A 1.3KVAC/1KVDCPSR070UL0250ZFUSE SQUARE 250A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate$3,210.64View Details

PSR071 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 250A 1.3KVAC/1KVDCPSR071UL0250ZFUSE SQUARE 250A 1.3KVAC/1KVDC1.3 kVAC2 - Immediate
6 - Factory Stock
$3,360.06View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR071UL0450ZFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
12 - Factory Stock
$3,216.63View Details

PSR072 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 400A 1.3KVAC/1KVDCPSR072DL0400XFUSE SQUARE 400A 1.3KVAC/1KVDC1.3 kVAC7 - Immediate
10 - Factory Stock
$3,804.42View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR072DL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
249 - Factory Stock
$4,170.74View Details
FUSE SQUARE 250A 1.3KVAC/1KVDCPSR072UL0250XFUSE SQUARE 250A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
21 - Factory Stock
$3,804.42View Details
FUSE SQUARE 350A 1.3KVAC/1KVDCPSR072UL0350XFUSE SQUARE 350A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate$3,804.42View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR072UL0450XFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
5 - Factory Stock
$4,170.74View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR072UL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
69 - Factory Stock
$4,170.74View Details

PSR073 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR073DL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
10 - Factory Stock
$4,097.72View Details
FUSE SQUARE 630A 1.3KVAC/1KVDCPSR073DL0630XFUSE SQUARE 630A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
23 - Factory Stock
$4,243.60View Details
FUSE SQUARE 350A 1.3KVAC/1KVDCPSR073UL0350XFUSE SQUARE 350A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
17 - Factory Stock
$4,097.72View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR073UL0450XFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
28 - Factory Stock
$4,097.72View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR073UL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
4 - Factory Stock
$4,097.72View Details
FUSE SQUARE 700A 1.3KVAC/1KVDCPSR073UL0700XFUSE SQUARE 700A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
27 - Factory Stock
$4,533.86View Details
Published: 2019-11-08