Parts list: № Number Qty Name Options Next page: ST771816 Converter Kit, 24 V to 12 V - 8 A ST725471 Advanced Display Unit (ADU) (646496 - ) ST771815 Converter Kit, 24 V to 12 V - 15 A ST803175 Converter, 24 V to 12 V - 30 A ST803176 Converter, 24 V to 12 V - 15 A