The YB6 series prefabricated substations are suitable for 7.2 kV and 12 kV ring network power supply, dual-power supply or terminal power supply systems, serving as medium-voltage power distribution metering, compensation control and protection devices.
Inside the prefabricated substation, apart from the transformer, the medium-voltage side is equipped with a four-position load switch, a two-position load switch, backup protection fuses and plug-in fuses. The low-voltage side is assembled with control appliances, power distribution appliances, compensation devices, electrical energy meters, etc. according to user requirements.
The YB6 series prefabricated substations can be used both indoors and outdoors, and are widely applied in various places such as industrial parks, residential communities, commercial centers and high-rise buildings.

• Compact, easy to install.
  Fully enclosed and insulated for safety.
  Suitable for ring network or terminal, easy to switch.
  Low damage, low noise, excellent performance.
  Anti-theft enclosure.
  Low temperature rise, strong overload capacity.

YB(W)-12/0.4 box transformer is a compact power distribution equipment that integrates high-voltage switch cabinets, distribution transformers, low-voltage power distribution devices and electric energy metering equipment according to a certain line plan. It is used in three-phase AC systems with rated voltages of 10 and 0.4kV as a complete set of substation and distribution stations for receiving and distributing electric energy. It is suitable for urban public power distribution, high-rise buildings, living quarters, industrial and mining enterprises, oil fields and temporary construction projects. The technical performance of the product meets the requirements of ZBK4001-89, SD320-89 and other standards.

The YB(W)-12/0.4 prefabricated substation is a compact power distribution device integrating medium-voltage switchgear, distribution transformers, low-voltage distribution devices and electrical energy metering equipment in accordance with a certain circuit scheme, and it is used in a three-phase AC system with rated voltages of 10 kV and 0.4 kV as a complete transformer substation for receiving and distributing electrical energy, being suitable for urban public power distribution, high-rise buildings, residential communities, industrial and mining enterprises, oil fields as well as temporary construction sites of projects.

YB(W)-12/0.4 box type transformer substation is the compact distributing equipment comprising high voltage switchgear, distributing transformer,low voltage distributing equipment and electric energy measurement equipment,etc,which are arranged into an organic whole according to the certain circuit scheme. This equipment is the complete transformer substation used for receiving and distributing electric energy at threephase Ac system of rated voltage 10/0.4kV in the following fields such as urban public distributing, tall building, residual area, industrial and mining enterprise，oil fields, temporary construction for project. Lt’s technical performance completely meets the requirements stipulated in the standards ZBK 4001-89 and SD 320-89.

YB(W)-12/0.4 outdoor box-type substation is specially designed to withstand harsh environmental conditions and is very suitable for outdoor installation.  Its color steel plate series construction provides excellent protection against corrosion, moisture and other environmental factors, ensuring long-term reliability and performance.  This makes it suitable for a wide range of outdoor applications, including industrial facilities, commercial complexes and utility substations.