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$992.70View Details
FUSE SQUARE 200A 700VAC/600VDCPSR030DL0200ZFUSE SQUARE 200A 700VAC/600VDC700 VAC0 - Immediate
12 - Factory Stock
$1,030.24View Details
FUSE SQUARE 500A 700VAC/600VDCPSR030DS0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC3 - Immediate$1,213.46View Details
FUSE SQUARE 100A 700VAC/600VDCPSR030UL0100ZFUSE SQUARE 100A 700VAC/600VDC700 VAC0 - Immediate$1,030.24View Details
FUSE SQUARE 250A 700VAC/600VDCPSR030UL0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$1,030.24View Details
FUSE SQUARE 500A 700VAC/600VDCPSR030UL0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate$1,104.89View Details

PSR031 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 250A 700VAC/600VDCPSR031DL0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$1,298.06View Details
FUSE SQUARE 630A 700VAC/600VDCPSR031DL0630ZFUSE SQUARE 630A 700VAC/600VDC700 VAC0 - Immediate$1,435.13View Details
FUSE SQUARE 200A 700VAC/600VDCPSR031UL0200ZFUSE SQUARE 200A 700VAC/600VDC700 VAC4 - Immediate
6 - Factory Stock
$1,298.06View Details
FUSE SQUARE 400A 700VAC/600VDCPSR031UL0400ZFUSE SQUARE 400A 700VAC/600VDC700 VAC0 - Immediate
3 - Factory Stock
$1,298.06View Details
FUSE SQUARE 500A 700VAC/600VDCPSR031UL0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
9 - Factory Stock
$1,215.97View Details
FUSE SQUARE 700A 700VAC/600VDCPSR031UL0700ZFUSE SQUARE 700A 700VAC/600VDC700 VAC0 - Immediate$1,631.41View Details
FUSE SQUARE 250A 700VAC/600VDCPSR031US0250ZFUSE SQUARE 250A 700VAC/600VDC700 VAC0 - Immediate
6 - Factory Stock
$1,104.89View Details
FUSE SQUARE 500A 700VAC/600VDCPSR031US0500ZFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
21 - Factory Stock
$1,179.06View Details

PSR032 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 700A 700VAC/600VDCPSR032DL0700XFUSE SQUARE 700A 700VAC/600VDC700 VAC0 - Immediate$1,507.30View Details
FUSE SQUARE 500A 700VAC/600VDCPSR032DS0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
8 - Factory Stock
$1,423.99View Details
FUSE SQUARE 630A 700VAC/600VDCPSR032UL0630XFUSE SQUARE 630A 700VAC/600VDC700 VAC0 - Immediate$1,507.30View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR032UL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC10 - Immediate
4 - Factory Stock
$1,795.46View Details
FUSE SQUARE 450A 700VAC/600VDCPSR032US0450XFUSE SQUARE 450A 700VAC/600VDC700 VAC0 - Immediate
4 - Factory Stock
$1,423.99View Details
FUSE SQUARE 500A 700VAC/600VDCPSR032US0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
2 - Factory Stock
$1,423.99View Details
FUSE SQUARE 800A 700VAC/600VDCPSR032US0800XFUSE SQUARE 800A 700VAC/600VDC700 VAC2 - Immediate
8 - Factory Stock
$1,713.65View Details

PSR033 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 500A 700VAC/600VDCPSR033DL0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
2 - Factory Stock
$2,038.83View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR033DL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC0 - Immediate$2,199.43View Details
FUSE SQUARE 500A 700VAC/600VDCPSR033UL0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
4 - Factory Stock
$2,038.83View Details
FUSE SQUARE 1KA 700VAC/600VDCPSR033UL1000XFUSE SQUARE 1KA 700VAC/600VDC700 VAC0 - Immediate$2,199.43View Details
FUSE SQUARE 1.25KA 700VAC/500VDCPSR033UL1250XFUSE SQUARE 1.25KA 700VAC/500VDC700 VAC0 - Immediate
78 - Factory Stock
$2,199.43View Details
FUSE SQUARE 500A 700VAC/600VDCPSR033US0500XFUSE SQUARE 500A 700VAC/600VDC700 VAC0 - Immediate
8 - Factory Stock
$1,998.46View Details
FUSE SQUARE 700A 700VAC/600VDCPSR033US0700XFUSE SQUARE 700A 700VAC/600VDC700 VAC0 - Immediate$1,998.46View Details
FUSE SQUARE 800A 700VAC/600VDCPSR033US0800XFUSE SQUARE 800A 700VAC/600VDC700 VAC0 - Immediate
8 - Factory Stock
$1,998.46View Details

PSR070 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 200A 1.3KVAC/1KVDCPSR070DL0200ZFUSE SQUARE 200A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate$1,543.44View Details
FUSE SQUARE 50A 1.3KVAC/1KVDCPSR070UL0050ZFUSE SQUARE 50A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
42 - Factory Stock
$1,420.69View Details
FUSE SQ 100A 1.3KVAC/1KVDC 1=1PCPSR070UL0100ZFUSE SQ 100A 1.3KVAC/1KVDC 1=1PC1.3 kVAC39 - Immediate
27 - Factory Stock
$1,590.14View Details
FUSE SQUARE 125A 1.3KVAC/1KVDCPSR070UL0125ZFUSE SQUARE 125A 1.3KVAC/1KVDC1.3 kVAC48 - Immediate$1,754.62View Details
FUSE SQUARE 200A 1.3KVAC/1KVDCPSR070UL0200ZFUSE SQUARE 200A 1.3KVAC/1KVDC1.3 kVAC3 - Immediate$1,754.62View Details
FUSE SQUARE 250A 1.3KVAC/1KVDCPSR070UL0250ZFUSE SQUARE 250A 1.3KVAC/1KVDC1.3 kVAC8 - Immediate$1,754.62View Details

PSR071 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 250A 1.3KVAC/1KVDCPSR071UL0250ZFUSE SQUARE 250A 1.3KVAC/1KVDC1.3 kVAC3 - Immediate
3 - Factory Stock
$1,836.26View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR071UL0450ZFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
3 - Factory Stock
$1,757.82View Details

PSR072 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 400A 1.3KVAC/1KVDCPSR072DL0400XFUSE SQUARE 400A 1.3KVAC/1KVDC1.3 kVAC5 - Immediate
10 - Factory Stock
$2,079.06View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR072DL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
231 - Factory Stock
$2,125.97View Details
FUSE SQUARE 250A 1.3KVAC/1KVDCPSR072UL0250XFUSE SQUARE 250A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
21 - Factory Stock
$2,079.06View Details
FUSE SQUARE 350A 1.3KVAC/1KVDCPSR072UL0350XFUSE SQUARE 350A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate$2,079.06View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR072UL0450XFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
5 - Factory Stock
$2,279.26View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR072UL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
42 - Factory Stock
$2,279.26View Details

PSR073 Series

ImageManufacturer Part NumberDescriptionVoltage Rating - ACAvailable QuantityPriceView Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR073DL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate$2,239.37View Details
FUSE SQUARE 630A 1.3KVAC/1KVDCPSR073DL0630XFUSE SQUARE 630A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate
9 - Factory Stock
$2,319.11View Details
FUSE SQUARE 350A 1.3KVAC/1KVDCPSR073UL0350XFUSE SQUARE 350A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
16 - Factory Stock
$2,239.37View Details
FUSE SQUARE 450A 1.3KVAC/1KVDCPSR073UL0450XFUSE SQUARE 450A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate$2,239.37View Details
FUSE SQUARE 500A 1.3KVAC/1KVDCPSR073UL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC1.3 kVAC1 - Immediate
3 - Factory Stock
$2,239.37View Details
FUSE SQUARE 700A 1.3KVAC/1KVDCPSR073UL0700XFUSE SQUARE 700A 1.3KVAC/1KVDC1.3 kVAC0 - Immediate$2,477.74View Details
Published: 2019-11-08