Big Lead Assembly (BLA)

Since 2017, the award-winning BLA (Big Lead Assembly) from Shoals has revolutionised electrical balance of system (EBOS) for utility-scale solar—enabling a faster, safer, more reliable, and more cost-effective installation. Now available in 2kV.

  • Up to (4) 10mm2 or (8) 6mm2 input leads per BLA mold drop
  • Configurable for FSLR S4, FSLR S6, Crystalline, or Bi-Facial
  • Plug and Play – eliminates field crimping and splicing
  • Patented undermold/overmold process chemically bonds and hermetically seals joints
  • Eliminates standard combiner boxes
  • Utilises free air ampacity table NEC 310.17
  • Standard 5-year warranty on all models
  • ETL certified IEC62930 and 62852 up to 1500V DC
  • Mini BLA for North – South applications
  • Customisable for up to 300mm2 wire gauges
  • Messenger cable for mechanical attachment
  • Cable available in standards colors
  • Snapshot(TM) Source Circuit Monitoring

Ready to Simplify Your Project?

Our customised plug-and-play EBOS solutions reduce materials, installation labour, and O&M touchpoints throughout the project’s lifespan, significantly cutting timelines, lowering costs, and enhancing longevity and sustainability.