PSR Bolted Blade Series - High-Speed Square Body Fuses

PSR-Bolted-Blade
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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

Littelfuse PSR Series High-Speed Square Body Fuses are specially designed for protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs and other solid-state devices that are typically designed into power conversion and power conditioning equipment. Variable frequency drives, inverters, UPS, rectifiers and soft-starters are examples of typical equipment designed with sensitive power semiconductor devices that cannot withstand any line surge or overcurrent conditions and require high-speed protection.

Littelfuse POWR-SPEED® PSR Series products offer optimized circuit protection at the extremely fast speed required to protect modern day power conversion devices. Available in Bolted Blade Style Termination (Typical in North American Market) with visual blown fuse indication standard on all fuses and optional Micro-switch for external indication.

Features/Benefits

  • Best in class dc performance
  • Extremely current limiting
  • Superior cycling capability
  • Global certification cURus, IEC
  • Visual and optional microswitch fuse blown indication
  • Low watt-loss design
  • Compliance with US and Canadian requirements
  • Class aR performance according to IEC60269-4

Applications

  • Power conversion devices (UPS, inverter, rectifiers, drives)
  • Dc systems (dc common bus, dc injection braking)
  • Battery protection application (energy storage systems)
  • Electric vehicle charging stations
  • Heaters and power supplies

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)Interrupting RatingOpeningCase SizeAmp Code (part number)StockSamplesCompare
PSR030UL004040200 kA @ 700 VacVery Fast-Acting (FF)3040CheckOrder
PSR030UL005050200 kA @ 700 VacVery Fast-Acting (FF)3050CheckOrder
PSR030UL006363200 kA @ 700 VacVery Fast-Acting (FF)3063CheckOrder
PSR030UL008080200 kA @ 700 VacVery Fast-Acting (FF)3080CheckOrder
PSR030UL0100100200 kA @ 700 VacVery Fast-Acting (FF)30100CheckOrder
PSR030UL0125125200 kA @ 700 VacVery Fast-Acting (FF)30125CheckOrder
PSR030UL0160160200 kA @ 700 VacVery Fast-Acting (FF)30160CheckOrder
PSR030UL0200200200 kA @ 700 VacVery Fast-Acting (FF)30200CheckOrder
PSR030UL0250250200 kA @ 700 VacVery Fast-Acting (FF)30250CheckOrder
PSR030UL0315315200 kA @ 700 VacVery Fast-Acting (FF)30315CheckOrder
PSR030UL0350350200 kA @ 700 VacVery Fast-Acting (FF)30350CheckOrder
PSR030UL0400400200 kA @ 700 VacVery Fast-Acting (FF)30400CheckOrder
PSR030UL0450450200 kA @ 700 VacVery Fast-Acting (FF)30450CheckOrder
PSR030UL0500500200 kA @ 700 VacVery Fast-Acting (FF)30500CheckOrder
PSR030UL0550550200 kA @ 700 VacVery Fast-Acting (FF)30550CheckOrder
PSR030UL0630630200 kA @ 700 VacVery Fast-Acting (FF)30630CheckOrder
PSR030US004040200 kA @ 700 VacVery Fast-Acting (FF)3040CheckOrder
PSR030US005050200 kA @ 700 VacVery Fast-Acting (FF)3050CheckOrder
PSR030US006363200 kA @ 700 VacVery Fast-Acting (FF)3063CheckOrder
PSR030US008080200 kA @ 700 VacVery Fast-Acting (FF)3080CheckOrder
PSR030US0100100200 kA @ 700 VacVery Fast-Acting (FF)30100CheckOrder
PSR030US0125125200 kA @ 700 VacVery Fast-Acting (FF)30125CheckOrder
PSR030US0160160200 kA @ 700 VacVery Fast-Acting (FF)30160CheckOrder
PSR030US0200200200 kA @ 700 VacVery Fast-Acting (FF)30200CheckOrder
PSR030US0250250200 kA @ 700 VacVery Fast-Acting (FF)30250CheckOrder
PSR030US0315315200 kA @ 700 VacVery Fast-Acting (FF)30315CheckOrder
PSR030US0350350200 kA @ 700 VacVery Fast-Acting (FF)30350CheckOrder
PSR030US0400400200 kA @ 700 VacVery Fast-Acting (FF)30400CheckOrder
PSR030US0450450200 kA @ 700 VacVery Fast-Acting (FF)30450CheckOrder
PSR030US0500500200 kA @ 700 VacVery Fast-Acting (FF)30500CheckOrder
PSR030US0550550200 kA @ 700 VacVery Fast-Acting (FF)30550CheckOrder
PSR030US0630630200 kA @ 700 VacVery Fast-Acting (FF)30630CheckOrder
PSR031UL0200200200 kA @ 700 VacVery Fast-Acting (FF)31200CheckOrder
PSR031UL0250250200 kA @ 700 VacVery Fast-Acting (FF)31250CheckOrder
PSR031UL0315315200 kA @ 700 VacVery Fast-Acting (FF)31315CheckOrder
PSR031UL0350350200 kA @ 700 VacVery Fast-Acting (FF)31350CheckOrder
PSR031UL0400400200 kA @ 700 VacVery Fast-Acting (FF)31400CheckOrder
PSR031UL0450450200 kA @ 700 VacVery Fast-Acting (FF)31450CheckOrder
PSR031UL0500500200 kA @ 700 VacVery Fast-Acting (FF)31500CheckOrder
PSR031UL0550550200 kA @ 700 VacVery Fast-Acting (FF)31550CheckOrder
PSR031UL0630630200 kA @ 700 VacVery Fast-Acting (FF)31630CheckOrder
PSR031UL0700700200 kA @ 700 VacVery Fast-Acting (FF)31700CheckOrder
PSR031UL0800800200 kA @ 700 VacVery Fast-Acting (FF)31800CheckOrder
PSR031UL0900900200 kA @ 600 VacVery Fast-Acting (FF)31900CheckOrder
PSR031US0200200200 kA @ 700 VacVery Fast-Acting (FF)31200CheckOrder
PSR031US0250250200 kA @ 700 VacVery Fast-Acting (FF)31250CheckOrder
PSR031US0315315200 kA @ 700 VacVery Fast-Acting (FF)31315CheckOrder
PSR031US0350350200 kA @ 700 VacVery Fast-Acting (FF)31350CheckOrder
PSR031US0400400200 kA @ 700 VacVery Fast-Acting (FF)31400CheckOrder
PSR031US0450450200 kA @ 700 VacVery Fast-Acting (FF)31450CheckOrder
PSR031US0500500200 kA @ 700 VacVery Fast-Acting (FF)31500CheckOrder
PSR031US0550550200 kA @ 700 VacVery Fast-Acting (FF)31550CheckOrder
PSR031US0630630200 kA @ 700 VacVery Fast-Acting (FF)31630CheckOrder
PSR031US0700700200 kA @ 700 VacVery Fast-Acting (FF)31700CheckOrder
PSR031US0800800200 kA @ 700 VacVery Fast-Acting (FF)31800CheckOrder
PSR031US0900900200 kA @ 600 VacVery Fast-Acting (FF)31900CheckOrder
PSR032UL0400400200 kA @ 700 VacVery Fast-Acting (FF)32400CheckOrder
PSR032UL0450450200 kA @ 700 VacVery Fast-Acting (FF)32450CheckOrder
PSR032UL0500500200 kA @ 700 VacVery Fast-Acting (FF)32500CheckOrder
PSR032UL0550550200 kA @ 700 VacVery Fast-Acting (FF)32550CheckOrder
PSR032UL0630630200 kA @ 700 VacVery Fast-Acting (FF)32630CheckOrder
PSR032UL0700700200 kA @ 700 VacVery Fast-Acting (FF)32700CheckOrder
PSR032UL0800800200 kA @ 700 VacVery Fast-Acting (FF)32800CheckOrder
PSR032UL0900900200 kA @ 700 VacVery Fast-Acting (FF)32900CheckOrder
PSR032UL10001000200 kA @ 700 VacVery Fast-Acting (FF)321000CheckOrder
PSR032UL11001100200 kA @ 700 VacVery Fast-Acting (FF)321100CheckOrder
PSR032US0400400200 kA @ 700 VacVery Fast-Acting (FF)32400CheckOrder
PSR032US0450450200 kA @ 700 VacVery Fast-Acting (FF)32450CheckOrder
PSR032US0500500200 kA @ 700 VacVery Fast-Acting (FF)32500CheckOrder
PSR032US0550550200 kA @ 700 VacVery Fast-Acting (FF)32550CheckOrder
PSR032US0630630200 kA @ 700 VacVery Fast-Acting (FF)32630CheckOrder
PSR032US0700700200 kA @ 700 VacVery Fast-Acting (FF)32700CheckOrder
PSR032US0800800200 kA @ 700 VacVery Fast-Acting (FF)32800CheckOrder
PSR032US0900900200 kA @ 700 VacVery Fast-Acting (FF)32900CheckOrder
PSR032US10001000200 kA @ 700 VacVery Fast-Acting (FF)321000CheckOrder
PSR032US11001100200 kA @ 700 VacVery Fast-Acting (FF)321100CheckOrder
PSR033UL0450450200 kA @ 700 VacVery Fast-Acting (FF)33450CheckOrder
PSR033UL0500500200 kA @ 700 VacVery Fast-Acting (FF)33500CheckOrder
PSR033UL0550550200 kA @ 700 VacVery Fast-Acting (FF)33550CheckOrder
PSR033UL0630630200 kA @ 700 VacVery Fast-Acting (FF)33630CheckOrder
PSR033UL0700700200 kA @ 700 VacVery Fast-Acting (FF)33700CheckOrder
PSR033UL0800800200 kA @ 700 VacVery Fast-Acting (FF)33800CheckOrder
PSR033UL0900900200 kA @ 700 VacVery Fast-Acting (FF)33900CheckOrder
PSR033UL10001000200 kA @ 700 VacVery Fast-Acting (FF)331000CheckOrder
PSR033UL11001100200 kA @ 700 VacVery Fast-Acting (FF)331100CheckOrder
PSR033UL12501250200 kA @ 700 VacVery Fast-Acting (FF)331250CheckOrder
PSR033UL14001400200 kA @ 700 VacVery Fast-Acting (FF)331400CheckOrder
PSR033UL15001500200 kA @ 650 VacVery Fast-Acting (FF)331500CheckOrder
PSR033UL16001600200 kA @ 650 VacVery Fast-Acting (FF)331600CheckOrder
PSR033UL18001800200 kA @ 650 VacVery Fast-Acting (FF)331800CheckOrder
PSR033UL20002000200 kA @ 600 VacVery Fast-Acting (FF)332000CheckOrder
PSR033US0450450200 kA @ 700 VacVery Fast-Acting (FF)33450CheckOrder
PSR033US0500500200 kA @ 700 VacVery Fast-Acting (FF)33500CheckOrder
PSR033US0550550200 kA @ 700 VacVery Fast-Acting (FF)33550CheckOrder
PSR033US0630630200 kA @ 700 VacVery Fast-Acting (FF)33630CheckOrder
PSR033US0700700200 kA @ 700 VacVery Fast-Acting (FF)33700CheckOrder
PSR033US0800800200 kA @ 700 VacVery Fast-Acting (FF)33800CheckOrder
PSR033US0900900200 kA @ 700 VacVery Fast-Acting (FF)33900CheckOrder
PSR033US10001000200 kA @ 700 VacVery Fast-Acting (FF)331000CheckOrder
PSR033US11001100200 kA @ 700 VacVery Fast-Acting (FF)331100CheckOrder
PSR033US12501250200 kA @ 700 VacVery Fast-Acting (FF)331250CheckOrder
PSR033US14001400200 kA @ 700 VacVery Fast-Acting (FF)331400CheckOrder
PSR033US15001500200 kA @ 650 VacVery Fast-Acting (FF)331500CheckOrder
PSR033US16001600200 kA @ 650 VacVery Fast-Acting (FF)331600CheckOrder
PSR033US18001800200 kA @ 650 VacVery Fast-Acting (FF)331800CheckOrder
PSR033US20002000200 kA @ 600 VacVery Fast-Acting (FF)332000CheckOrder
PSR070UL005050100 kA @ 1300 VacVery Fast-Acting (FF)7050CheckOrder
PSR070UL006363100 kA @ 1300 VacVery Fast-Acting (FF)7063CheckOrder
PSR070UL008080100 kA @ 1300 VacVery Fast-Acting (FF)7080CheckOrder
PSR070UL0100100100 kA @ 1300 VacVery Fast-Acting (FF)70100CheckOrder
PSR070UL0125125100 kA @ 1300 VacVery Fast-Acting (FF)70125CheckOrder
PSR070UL0160160100 kA @ 1300 VacVery Fast-Acting (FF)70160CheckOrder
PSR070UL0200200100 kA @ 1300 VacVery Fast-Acting (FF)70200CheckOrder
PSR070UL0250250100 kA @ 1300 VacVery Fast-Acting (FF)70250CheckOrder
PSR070UL0280280100 kA @ 1300 VacVery Fast-Acting (FF)70280CheckOrder
PSR070UL0315315100 kA @ 1300 VacVery Fast-Acting (FF)70315CheckOrder
PSR070UL0350350100 kA @ 1300 VacVery Fast-Acting (FF)70350CheckOrder
PSR070UL0400400100 kA @ 1200 VacVery Fast-Acting (FF)70400CheckOrder
PSR071UL0160160100 kA @ 1300 VacVery Fast-Acting (FF)71160CheckOrder
PSR071UL0200200100 kA @ 1300 VacVery Fast-Acting (FF)71200CheckOrder
PSR071UL0250250100 kA @ 1300 VacVery Fast-Acting (FF)71250CheckOrder
PSR071UL0280280100 kA @ 1300 VacVery Fast-Acting (FF)71280CheckOrder
PSR071UL0315315100 kA @ 1300 VacVery Fast-Acting (FF)71315CheckOrder
PSR071UL0350350100 kA @ 1300 VacVery Fast-Acting (FF)71350CheckOrder
PSR071UL0400400100 kA @ 1300 VacVery Fast-Acting (FF)71400CheckOrder
PSR071UL0450450100 kA @ 1300 VacVery Fast-Acting (FF)71450CheckOrder
PSR072UL0250250100 kA @ 1300 VacVery Fast-Acting (FF)72250CheckOrder
PSR072UL0280280100 kA @ 1300 VacVery Fast-Acting (FF)72280CheckOrder
PSR072UL0315315100 kA @ 1300 VacVery Fast-Acting (FF)72315CheckOrder
PSR072UL0350350100 kA @ 1300 VacVery Fast-Acting (FF)72350CheckOrder
PSR072UL0400400100 kA @ 1300 VacVery Fast-Acting (FF)72400CheckOrder
PSR072UL0450450100 kA @ 1300 VacVery Fast-Acting (FF)72450CheckOrder
PSR072UL0500500100 kA @ 1300 VacVery Fast-Acting (FF)72500CheckOrder
PSR072UL0550550100 kA @ 1300 VacVery Fast-Acting (FF)72550CheckOrder
PSR072UL0630630100 kA @ 1300 VacVery Fast-Acting (FF)72630CheckOrder
PSR073UL0315315100 kA @ 1300 VacVery Fast-Acting (FF)73315CheckOrder
PSR073UL0350350100 kA @ 1300 VacVery Fast-Acting (FF)73350CheckOrder
PSR073UL0400400100 kA @ 1300 VacVery Fast-Acting (FF)73400CheckOrder
PSR073UL0450450100 kA @ 1300 VacVery Fast-Acting (FF)73450CheckOrder
PSR073UL0500500100 kA @ 1300 VacVery Fast-Acting (FF)73500CheckOrder
PSR073UL0550550100 kA @ 1300 VacVery Fast-Acting (FF)73550CheckOrder
PSR073UL0630630100 kA @ 1300 VacVery Fast-Acting (FF)73630CheckOrder
PSR073UL0700700100 kA @ 1300 VacVery Fast-Acting (FF)73700CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
PSR070UL0125Z POWR-SPEED SQB SIZE 70 US LONG BL 125A RoHS No 06/01/2020 PbFree No 06/01/2020
PSR070UL0200Z POWR-SPEED SQB SIZE 70 US LONG BL 200A RoHS No 11/16/2020 PbFree No 11/16/2020 Yes
11/16/2020
PSR071UL0250Z POWR-SPEED SQB SIZE 71 US LONG BL 250A RoHS No 03/04/2020 PbFree No 03/04/2020 No
03/04/2020
PSR073UL0315X POWR-SPEED SQB SIZE 73 US LONG BL 315A RoHS No 11/16/2020 PbFree No 11/16/2020 Yes
11/16/2020
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