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AFCI Combiners

AFCI Combiners

SolarBOS Arc Fault Circuit Interruption (AFCI) Combiner Boxes are ETL listed to UL-1741 & UL-1699B. SolarBOS AFCI Combiners analyze string currents and overall system noise to accurately detect and interrupt series arcs; eliminating false alarms and nuisance tripping.


  • Rated for 600 or 1000 VDC
  • Listed to UL-1741, UL-1699B, CSA C22.2 No. 107.1 & CSA TIL M-07
  • 8, 12, 16, 20, 24, 28, 32 input circuits
  • Up to 400A integrated contactors
  • Integrated string current monitoring
  • String arc indicating diagnostic LED's
  • Local external disconnect handle


  • AC to DC built in power supply
  • DC to DC built in power supply
  • Transient surge suppresion
  • Compression lugs / Dual output lugs
  • Configurations for floating or bi-polar arrays
  • Pre-terminated input conductors