Semiconductor Protection Fuses

Square Body High-Speed Fuse-Links DC Protection

Protistor® size 602 gR 4000VDC

Mersen DC offers provide a very high performant protection for railway power and auxiliary circuits. Mersen DC Semiconductor fuse-links were developed to provide improved performance required by today's new DC equipment. These fuse-links are typically operated at more elevated temperature than other fuse type, have lower I˛t to minimize damage to protected components on short circuits, lower watts loss and longer life.



  • Volts (VDC) 4000 VDC
  • Ampere Range (A) 100 - 280 A
  • Size per Standard 602
  • Speed / Characteristic gR
  • ROHS Compliant Consult Technical Services
  • Lead Free Consult Technical Services
  • CE conformity Consult Technical Services


  • D602GB40C100QF - V086958
  • D602GB40C125QF - W086959
  • D602GB40C160QF - X086960
  • D602GD40C160QF - E075766
  • D602GD40C200QF - F075767
  • D602GD40C250QF - G075768
  • D602GD40C280QF - H075769


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