High-voltage Load and Power Distribution Unit (LDU/PDU) test platform for EV production validation. Supports multi-channel load simulation, dynamic switching, protection verification, insulation and continuity checks, and functional sequencing under real operating conditions. Includes automated test execution, synchronised DAQ, result logging, traceability, and scalable architecture for R&D and mass-production environments with 8 parallel testers for PCBA and EOL.