❌ Грешка 400: Невалидно тело на JSON
“Prefab substations are designed to provide reliable and efficient power distribution. Understanding common ratings and load capacities is crucial for selecting the right substation for a specific project. Typical ratings include 3.3 kV, 6.6 kV, and 11 kV, while load capacities range from 500 kVA to 30 MVA. Knowing the specific requirements of your project, including the type of load, voltage, and current, helps determine the optimal substation configuration. With the right prefab substation,
