Inquiry about High-Current DC Circuit Breaker Tester NEW

I need a quotation for one unit of a High-Current DC Circuit Breaker Tester equivalent to or exceeding the ULWJ-601 model. The equipment must provide a nominal output current of 20,000 A DC, operate on AC 220 V at 50 Hz, and include adjustable current control with electronic regulation and digital display. Minimum measurement accuracy should be ±0.5%, with safe operation in temperatures from –20 °C to +50 °C and relative humidity up to 90%. Protection features against overcurrent, over-temperature, and circuit failure are required, and compliance with GB1984-2003 standard is essential. It will be used as a high-current source for testing extra-fast feeder circuit breakers. Required accessories are high-current cables with connectors for 20,000 A, clamps and quick-connection terminals, analysis software with USB export, a technical manual, a calibration certificate, a maintenance tool kit, and a wooden transport case with protective foam. Please provide unit price under available delivery terms (e.g., FOB, CIF, DDP), estimated manufacturing and delivery lead time, warranty period, after-sales support details including calibration and spare parts availability, packaged weight and dimensions, and payment conditions. Specify if the item is ULWJ-601 or an equivalent alternative, including brand and model. This request relates to Brazilian public procurement classification COMPRAS.GOV, Class 5925, Code 375807.