Semiconductor Protection Fuses

Square Body High-Speed Fuse-Links DC Protection

Protistor® size 302 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) 100 - 280 A
  • Size per Standard 302
  • Speed / Characteristic gR
  • ROHS Compliant Consult Technical Services
  • Lead Free Consult Technical Services
  • CE conformity Consult Technical Services


  • D302GC20C100QF - N086929
  • D302GC20C125QF - P086930
  • D302GC20C160QF - Q086931
  • D302GE20C160QF - S075755
  • D302GE20C200QF - T075756
  • D302GE20C250QF - V075757
  • D302GE20C280QF - W075758


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