LV-Guard 250

Online LV fuse and fault location system
The power switch of the LV-Guard 250 is used in low-voltage distributions instead of the NH fuse. If a cable fault occurs, or if there are temporary overloads, the LV-Guard 250 trips, briefly interrupts the power supply and then automatically switches back on. This way, consumers remain supplied at all times.


  • Intelligent and multifunctional electronic fuse
  • Reduced downtime in the supply network
  • Cable fault location with ongoing power supply
  • Reduced time and costs in the fault location process
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