The YBM-12 prefabricated substation is applied in 10kV ring network power supply, dual power supply and terminal power supply systems, serving as a complete set of equipment for power transformation, distribution metering, reactive power compensation, control and protection.

In addition to the built-in transformer, the high-voltage side is equipped with 4-position (or 2-position) load switches, backup protection fuses and plug-in fuses. On the low-voltage side, control electrical components, distribution equipment, compensation devices and measuring meters can be configured according to customer requirements.

It adopts transformer oil as the insulation and arc-extinguishing medium. The supporting transformers are S9, S11 and SCB11 types. The whole unit features compact size, easy installation, low noise, low power loss, full protection function, simple maintenance and high cost performance.