OutBack Power GS-SBUS 180A DC Busbar Please log in to see price or purchase this item SKU: 500-0147 Details Outback, Radian DC Shunt Bus for GS Load Center, GS-SBUSThe GS-SBUS busbar is used in the GSLC to combine multiple shunts. DetailsBackDetailsOutback, Radian DC Shunt Bus for GS Load Center, GS-SBUSThe GS-SBUS busbar is used in the GSLC to combine multiple shunts.