Semiconductor Protection Fuses

Square Body High-Speed Fuse-Links DC Protection

Protistor® size 2x302 gR 2000VDC

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) 2000 VDC
  • Ampere Range (A) 200 - 560 A
  • Size per Standard 2x302
  • Speed / Characteristic gR
  • ROHS Compliant Consult Technical Services
  • Lead Free Consult Technical Services
  • CE conformity Consult Technical Services


  • D2302GC20C200QF - B079903
  • D2302GC20C250QF - C079904
  • D2302GE20C315QF - X075759
  • D2302GE20C400QF - Y075760
  • D2302GE20C500QF - Z075761
  • D2302GE20C560QF - A075762


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