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August 2020 – Introducing Littelfuse’s PSX Semiconductor Fuses

Published on: 26/08/2020

Learn more about Littelfuse’s latest range of semiconductor fuses

Littelfuse PSX Semiconductor Fuses by GD Rectifiers

The PSX fuse series is extremely fast-acting with high dc interrupting ratings in the smallest NH XL package size on the market. They are certified to UL248-13 and designed to meet the EN high-speed semiconductor fuse standard and IEC 60269-7, a new battery protection fuse standard in development.

PSX Semiconductor Fuses

Features of the PSX series include:

  • Low watt loss for increased efficiency and to minimise wasted power
  • Compact case size takes up little space in high-energy density systems
  • Visual fault indicator for quick and easy detection
  • Up to 1500 V dc rating to protect the highest-rated dc battery energy storage systems in the market
  • DIN-mount, flush-end and bolted-blade terminations for mounting-configuration versatility
  • Low minimum-breaking capacity to protect from lower-level fault currents


The PSX series of fuses are ideal for these applications:

  • Battery energy storage systems
  • Photovoltaic inverters
  • Dc common bus systems
  • Large industrial regenerative drives
  • Rectifiers
  • Metal processing equipment


Learn more about PSX Semiconductor Fuses here


For further information on Littelfuse’s product range or to discuss your requirements please call our team on: 01444 243 452 or email:


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