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$807.64View Details
FUSE SQUARE 200A 700VAC/600VDCPSR030DL0200ZFUSE SQUARE 200A 700VAC/600VDC700 VAC0 - Immediate
15 - Factory Stock
$838.18View Details
FUSE SQUARE 500A 700VAC/600VDCPSR030DS0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC3 - Immediate$987.21View Details
FUSE SQUARE 100A 700VAC/600VDCPSR030UL0100ZFUSE SQUARE 100A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$849.89View Details
FUSE SQUARE 250A 700VAC/600VDCPSR030UL0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$838.18View Details
FUSE SQUARE 500A 700VAC/600VDCPSR030UL0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate$898.92View Details

PSR031 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 250A 700VAC/600VDCPSR031DL0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate
6 - Factory Stock
$1,056.06View Details
FUSE SQUARE 630A 700VAC/600VDCPSR031DL0630ZFUSE SQUARE 630A 700VAC/600VDC700 VAC0 - Immediate$1,167.60View Details
FUSE SQUARE 200A 700VAC/600VDCPSR031UL0200ZFUSE SQUARE 200A 700VAC/600VDC700 VAC4 - Immediate
6 - Factory Stock
$1,056.06View Details
FUSE SQUARE 400A 700VAC/600VDCPSR031UL0400ZFUSE SQUARE 400A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$1,056.06View Details
FUSE SQUARE 500A 700VAC/600VDCPSR031UL0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate$989.27View Details
FUSE SQUARE 700A 700VAC/600VDCPSR031UL0700ZFUSE SQUARE 700A 700VAC/600VDC700 VAC3 - Immediate$1,327.26View Details
FUSE SQUARE 250A 700VAC/600VDCPSR031US0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate
9 - Factory Stock
$898.92View Details
FUSE SQUARE 500A 700VAC/600VDCPSR031US0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
21 - Factory Stock
$959.25View Details

PSR032 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 700A 700VAC/600VDCPSR032DL0700XFUSE SQUARE 700A 700VAC/600VDC700 VAC0 - Immediate$1,226.28View Details
FUSE SQUARE 500A 700VAC/600VDCPSR032DS0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
8 - Factory Stock
$1,158.50View Details
FUSE SQUARE 630A 700VAC/600VDCPSR032UL0630XFUSE SQUARE 630A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$1,226.28View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR032UL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC5 - Immediate
4 - Factory Stock
$1,460.74View Details
FUSE SQUARE 450A 700VAC/600VDCPSR032US0450XFUSE SQUARE 450A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$1,158.50View Details
FUSE SQUARE 500A 700VAC/600VDCPSR032US0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate$1,158.50View Details
FUSE SQUARE 800A 700VAC/600VDCPSR032US0800XFUSE SQUARE 800A 700VAC/600VDC700 VAC2 - Immediate
10 - Factory Stock
$1,394.17View Details

PSR033 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 500A 700VAC/600VDCPSR033DL0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
2 - Factory Stock
$1,658.71View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR033DL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$1,789.37View Details
FUSE SQUARE 500A 700VAC/600VDCPSR033UL0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
4 - Factory Stock
$1,658.71View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR033UL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$1,789.37View Details
FUSE SQUARE 1.25KA 700VAC/500VDCPSR033UL1250XFUSE SQUARE 1.25KA 700VAC/500VDC700 VAC0 - Immediate
82 - Factory Stock
$1,789.37View Details
FUSE SQUARE 500A 700VAC/600VDCPSR033US0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
8 - Factory Stock
$1,625.88View Details
FUSE SQUARE 700A 700VAC/600VDCPSR033US0700XFUSE SQUARE 700A 700VAC/600VDC700 VAC0 - Immediate$1,625.88View Details
FUSE SQUARE 800A 700VAC/600VDCPSR033US0800XFUSE SQUARE 800A 700VAC/600VDC700 VAC0 - Immediate
8 - Factory Stock
$1,625.88View Details

PSR070 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 200A 1.3KVAC/1KVDCPSR070DL0200ZFUSE SQUARE 200A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
6 - Factory Stock
$1,255.71View Details
FUSE SQUARE 50A 1.3KVAC/1KVDCPSR070UL0050ZFUSE SQUARE 50A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
48 - Factory Stock
$1,185.44View Details
FUSE SQ 100A 1.3KVAC/1KVDC 1=1PCPSR070UL0100ZFUSE SQ 100A 1.3KVAC/1KVDC 1=1PC1.3 kVAC8 - Immediate
120 - Factory Stock
$1,293.66View Details
FUSE SQUARE 125A 1.3KVAC/1KVDCPSR070UL0125ZFUSE SQUARE 125A 1.3KVAC/1KVDC1.3 kVAC7 - Immediate$1,427.47View Details
FUSE SQUARE 200A 1.3KVAC/1KVDCPSR070UL0200ZFUSE SQUARE 200A 1.3KVAC/1KVDC1.3 kVAC8 - Immediate
24 - Factory Stock
$1,254.14View Details
FUSE SQUARE 250A 1.3KVAC/1KVDCPSR070UL0250ZFUSE SQUARE 250A 1.3KVAC/1KVDC1.3 kVAC6 - Immediate
30 - Factory Stock
$1,427.47View 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
$1,493.90View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR071UL0450ZFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
3 - Factory Stock
$1,430.13View 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
$1,691.47View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR072DL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
234 - Factory Stock
$1,854.34View Details
FUSE SQUARE 250A 1.3KVAC/1KVDCPSR072UL0250XFUSE SQUARE 250A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
21 - Factory Stock
$1,691.47View Details
FUSE SQUARE 350A 1.3KVAC/1KVDCPSR072UL0350XFUSE SQUARE 350A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate$1,691.47View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR072UL0450XFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
5 - Factory Stock
$1,854.34View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR072UL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
69 - Factory Stock
$1,854.34View 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
$1,821.87View Details
FUSE SQUARE 630A 1.3KVAC/1KVDCPSR073DL0630XFUSE SQUARE 630A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
23 - Factory Stock
$1,886.73View Details
FUSE SQUARE 350A 1.3KVAC/1KVDCPSR073UL0350XFUSE SQUARE 350A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
17 - Factory Stock
$1,821.87View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR073UL0450XFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
5 - Factory Stock
$1,821.87View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR073UL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
4 - Factory Stock
$1,821.87View Details
FUSE SQUARE 700A 1.3KVAC/1KVDCPSR073UL0700XFUSE SQUARE 700A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate$2,015.78View Details
Published: 2019-11-08