Battery Fuses

Battery Pack Fuses

Protistor® 1200VDC size 70 aR

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.



  • Extremely fast acting
  • Excellent cycling capability
  • Very low I²t
  • Worldwide acceptability
  • Current Limiting
  • Superior Cycling Ability


  • Ampere Range (A) 20 - 215 A
  • Standards IEC 60269-1 and IEC 60269-4 Compliance
    DC UL recognized component
    UL file E76491
    - 20A-215A, @1200VDC, L/R 10ms, 100KA
    - 20A-215A, @1500VDC, L/R 1-3ms, 100KA
  • Application Protection of inverters
    Protection of motor drives
    Protection of UPS systems
    Railway power and auxiliary circuits
    ESS Battery Rack protection up to 1500 VDC
  • ROHS Compliant Yes
  • Lead Free Consult Technical Services
  • CE conformity Yes


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