Semiconductor Protection Fuses

Square Body High-Speed Fuse-Links DC Protection

Protistor® size 302 aR 2400VDC

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.



  • xxxxx


  • Volts (VDC) 2400 VDC
  • Ampere Range (A) 160 - 400 A
  • Size per Standard 302
  • Speed / Characteristic aR
  • Application xxxxxx
  • ROHS Compliant Consult Technical Services
  • Lead Free Consult Technical Services
  • CE conformity Consult Technical Services


  • D302SD24C160QF - J076644
  • D302SD24C200QF - R079480
  • D302SD24C250QF - S079481
  • D302SD24C315QF - T079482
  • D302SD24C350QF - V079483
  • D302SF24C400QF - V075297


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