Hybrid Protection

Hybrid Over Current Protecting Device

Hybrid χp Series

Xp product line-up belongs to the new hybrid DC Over-Current Protection (O.C.P.) range developed by MERSEN. It provides maximum flexibility in equipment design and ultimate protection. They have been engineered to provide protection for DC applications: Battery Energy Storage, EV/HEV, Smart-grid, PV installations, etc … The Xp system is composed by fast acting pyro element, controlled by a gate current, plus a parallel clearing element. This protection meets custom requirements of very fast operating time and very high overload current.



  • DC application focused design
  • Extremely low watt losses (~20W / 400A)
  • Excellent cycling performance
  • Ultra-fast acting (300 µs)
  • Small footprint
  • Large inrush current 15IN for 100ms
  • Tunable Time-Current curve


  • Ampere Range (A) 0 - 800 A
  • Standards IATF - ISO/TS 16949 Quality management undergoing certification
  • Application 100V to 1,000VDC
    Battery Energy Storage, 100 - 1,000 VDC
    Electric Vehicle, Hybrid Electric Vehicle
    PV installations (1,500VDC in dev.)
    DC General Purposes
    Remote Power Switch Contactor
  • ROHS Compliant Yes
  • Lead Free Consult Technical Services
  • CE conformity Yes


  • Xp Series


Where to buy


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