Victron Energy VE.Direct Non-Inverting Remote On-Off Cable Non-Inverting f/BlueSolar & SmartSolar MPPT One Size. Direct interface. For example installing MPPTs in combination with a VE. Bus BMS. The MPPT will be switched on when the source signal on the cable turns high. It will be switched off when the source signal turns low or becomes free-floating. Please contact your dealer for any returns repairs or support issues related to this product. Package Contents: Victron Energy VE.Direct Non-Inverting Remote On-Off Cable Non-Inverting f/BlueSolar & SmartSolar MPPT Victron Energy ASS030550320: VE.Direct Non-Inverting Remote On-Off Cable Non-Inverting f/BlueSolar & SmartSolar MPPT One Size