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$189.29View Details
FUSE SQUARE 200A 700VAC/600VDCPSR030DL0200ZFUSE SQUARE 200A 700VAC/600VDC700 VAC0 - Immediate
15 - Factory Stock
$196.44View Details
FUSE SQUARE 500A 700VAC/600VDCPSR030DS0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC3 - Immediate$231.37View Details
FUSE SQUARE 100A 700VAC/600VDCPSR030UL0100ZFUSE SQUARE 100A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$199.19View Details
FUSE SQUARE 250A 700VAC/600VDCPSR030UL0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate$196.44View Details
FUSE SQUARE 500A 700VAC/600VDCPSR030UL0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate$210.68View Details

PSR031 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 250A 700VAC/600VDCPSR031DL0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate$247.51View Details
FUSE SQUARE 630A 700VAC/600VDCPSR031DL0630ZFUSE SQUARE 630A 700VAC/600VDC700 VAC0 - Immediate$273.65View Details
FUSE SQUARE 200A 700VAC/600VDCPSR031UL0200ZFUSE SQUARE 200A 700VAC/600VDC700 VAC4 - Immediate
6 - Factory Stock
$247.51View Details
FUSE SQUARE 400A 700VAC/600VDCPSR031UL0400ZFUSE SQUARE 400A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$247.51View Details
FUSE SQUARE 500A 700VAC/600VDCPSR031UL0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$231.86View Details
FUSE SQUARE 700A 700VAC/600VDCPSR031UL0700ZFUSE SQUARE 700A 700VAC/600VDC700 VAC3 - Immediate$311.07View Details
FUSE SQUARE 250A 700VAC/600VDCPSR031US0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate
9 - Factory Stock
$210.68View Details
FUSE SQUARE 500A 700VAC/600VDCPSR031US0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
21 - Factory Stock
$224.82View Details

PSR032 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 700A 700VAC/600VDCPSR032DL0700XFUSE SQUARE 700A 700VAC/600VDC700 VAC0 - Immediate$287.41View Details
FUSE SQUARE 500A 700VAC/600VDCPSR032DS0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
8 - Factory Stock
$271.52View Details
FUSE SQUARE 630A 700VAC/600VDCPSR032UL0630XFUSE SQUARE 630A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$287.41View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR032UL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC0 - Immediate
7 - Factory Stock
$342.36View Details
FUSE SQUARE 450A 700VAC/600VDCPSR032US0450XFUSE SQUARE 450A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$271.52View Details
FUSE SQUARE 500A 700VAC/600VDCPSR032US0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
5 - Factory Stock
$271.52View Details
FUSE SQUARE 800A 700VAC/600VDCPSR032US0800XFUSE SQUARE 800A 700VAC/600VDC700 VAC2 - Immediate
10 - Factory Stock
$326.75View Details

PSR033 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 500A 700VAC/600VDCPSR033DL0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate$388.75View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR033DL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$419.38View Details
FUSE SQUARE 500A 700VAC/600VDCPSR033UL0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
4 - Factory Stock
$388.75View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR033UL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$419.38View Details
FUSE SQUARE 1.25KA 700VAC/500VDCPSR033UL1250XFUSE SQUARE 1.25KA 700VAC/500VDC700 VAC0 - Immediate
79 - Factory Stock
$419.38View Details
FUSE SQUARE 500A 700VAC/600VDCPSR033US0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate$381.06View Details
FUSE SQUARE 700A 700VAC/600VDCPSR033US0700XFUSE SQUARE 700A 700VAC/600VDC700 VAC0 - Immediate$381.06View Details
FUSE SQUARE 800A 700VAC/600VDCPSR033US0800XFUSE SQUARE 800A 700VAC/600VDC700 VAC0 - Immediate$381.06View 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
$294.30View Details
FUSE SQUARE 50A 1.3KVAC/1KVDCPSR070UL0050ZFUSE SQUARE 50A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
51 - Factory Stock
$277.83View Details
FUSE SQ 100A 1.3KVAC/1KVDC 1=1PCPSR070UL0100ZFUSE SQ 100A 1.3KVAC/1KVDC 1=1PC1.3 kVAC10 - Immediate
135 - Factory Stock
$303.20View Details
FUSE SQUARE 125A 1.3KVAC/1KVDCPSR070UL0125ZFUSE SQUARE 125A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate$334.56View Details
FUSE SQUARE 200A 1.3KVAC/1KVDCPSR070UL0200ZFUSE SQUARE 200A 1.3KVAC/1KVDC1.3 kVAC20 - Immediate
36 - Factory Stock
$293.93View Details
FUSE SQUARE 250A 1.3KVAC/1KVDCPSR070UL0250ZFUSE SQUARE 250A 1.3KVAC/1KVDC1.3 kVAC6 - Immediate
30 - Factory Stock
$334.56View 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
$350.13View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR071UL0450ZFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
3 - Factory Stock
$335.18View 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
$396.43View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR072DL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
240 - Factory Stock
$434.60View Details
FUSE SQUARE 250A 1.3KVAC/1KVDCPSR072UL0250XFUSE SQUARE 250A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
21 - Factory Stock
$396.43View Details
FUSE SQUARE 350A 1.3KVAC/1KVDCPSR072UL0350XFUSE SQUARE 350A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate$396.43View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR072UL0450XFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
5 - Factory Stock
$434.60View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR072UL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
69 - Factory Stock
$434.60View 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
$427.00View Details
FUSE SQUARE 630A 1.3KVAC/1KVDCPSR073DL0630XFUSE SQUARE 630A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
23 - Factory Stock
$442.20View Details
FUSE SQUARE 350A 1.3KVAC/1KVDCPSR073UL0350XFUSE SQUARE 350A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
17 - Factory Stock
$427.00View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR073UL0450XFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
6 - Factory Stock
$427.00View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR073UL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
4 - Factory Stock
$427.00View Details
FUSE SQUARE 700A 1.3KVAC/1KVDCPSR073UL0700XFUSE SQUARE 700A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
1 - Factory Stock
$472.44View Details
Published: 2019-11-08