Semiconductor Protection Fuses

Square Body High-Speed Fuse-Links DC Protection

Protistor® size 120 gR 750VDC (IEC)

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 I²t to minimize damage to protected components on short circuits, lower watts loss and longer life.



  • Multiple body sizes and terminals or blades combination
  • Very low I²t
  • Extremely fast acting
  • Eliminate all overloads
  • Excellent cycling capability


  • Ampere Range (A) 50 - 160 A
  • Speed / Characteristic gR
  • Standards EU conformity
    REACH compliant
    IEC 60269-4 Compliance
  • Application Protection of inverters
    Protection of motor drives
    Protection of UPS systems
    Railway power and auxiliary circuits
    750VDC or less equipments
  • ROHS Compliant Yes
  • Lead Free Consult Technical Services
  • CE conformity Yes


  • D120GC75V100EF - P085205
  • D120GC75V100TF - R082401
  • D120GC75V125EF - R086242
  • D120GC75V125TF - P085251
  • D120GC75V160EF - N085204
  • D120GC75V160TF - R085253
  • D120GC75V50EF - Y084776
  • D120GC75V50TF - B220824
  • D120GC75V63EF - R085207
  • D120GC75V63TF - Q082400
  • D120GC75V80EF - Q085206
  • D120GC75V80TF - Z090435


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