Big Lead Assembly (BLA)
Since 2017, the award-winning BLA (Big Lead Assembly) from Shoals has revolutionized electrical balance of system (EBOS) for utility-scale solar—enabling a faster, safer, more reliable, and more cost-effective installation. Now available in 2kV.
35+
YRS design life
Engineered to last for the lifetime of the solar project
10X
Outperforms ipc
In wet hipot test
ETL
CERTIFIED
To UL9703 PV and UL6703
- Up to (4) 8 AWG or (8) 10 AWG input leads per BLA mold drop
- Configurable for FSLR S4, FSLR S6, FSLR S7, 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
- Utilizes free air ampacity table NEC 310.17
- Standard 5-year warranty on all models
- ETL certified to UL9703 and UL4248
- ETL certified to CSA C22.2#182.5 for PV Connectors
- ETL certified to CSA C22.2#271 for PV Cables
- ETL certified to CSA C22.2#198.2 for Sealed Wire Connector
- ETL certified to CSA C22.2#4248.1 for Fuseholders
- Compliant with IEC 62930 and 62852 up to 1500 VDC
- mini BLA for North – South applications
- Customizable for up to 750 MCM wire gauges
- Messenger cable for mechanical attachment
- Cable available in standards colors
- BLM string monitoring
