Semiconductor Protection Fuses

Square Body High-Speed Fuse-Links DC Protection

Protistor® size 2x602 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) 200 - 560 A
  • Size per Standard 2x602
  • Speed / Characteristic gR
  • ROHS Compliant Consult Technical Services
  • Lead Free Consult Technical Services
  • CE conformity Consult Technical Services


  • D2602GB40C200QF - R086955
  • D2602GB40C250QF - S086956
  • D2602GD40C315QF - J075770
  • D2602GD40C400QF - K075771
  • D2602GD40C500QF - L075772
  • D2602GD40C560QF - M075773


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