The box type transformer substation is suitable in the rated voltage 10/0.4kV three phase AC systems. It is also suitable for factory, oil field, harbor, airport, city public building, highway, underground facility and so on. The products features are included small size, good design, easy maintain, low cost, and short production life-cycle. 

Service Conditions
Altitude height ≤ 1000m.
Ambient humidity: -30℃～+40℃  
For the humidity of the surrounding air is no more than 90%(+25℃). 
The equipment should be installed in a stable and less corrosion area.
For special requests, please discuss with the manufacturer.  
Based on customers’ requirements, our company provides different sizes and structures box for the outer covering.