Product Overview
Sanlita’s 10kV outdoor PV step-up box substation prefabricated cabin is a compact, fully integrated solution designed for commercial and industrial photovoltaic applications. This American-style substation combines a step-up transformer, switchgear, and auxiliary systems in a single, weather-resistant enclosure, ensuring safe and efficient power transmission from solar arrays to the grid. Ideal for ground-mounted or rooftop solar farms, it simplifies installation and reduces on-site construction time.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage (HV) | 10 kV |
| Rated Voltage (LV) | 0.4 kV / 480 V |
| Transformer Type | Oil-immersed / Dry-type (optional) |
| Rated Capacity | 100 kVA – 2500 kVA |
| Enclosure Material | Corrosion-resistant steel / Aluminum alloy |
| Protection Grade | IP54 / IP65 |
| Cooling Method | ONAN / ONAF |
| Standards | IEC 60076, IEEE C57, GB/T 17467 |
| Operating Temperature | -25°C to +55°C |
| Installation Type | Outdoor pad-mounted / Prefabricated cabin |
Why Choose Sanlita
As a leading Chinese manufacturer, Sanlita offers unmatched factory-direct advantages: rigorous quality testing, customizable designs to meet local grid codes, and competitive pricing without compromising reliability. Our 10kV prefab substations are built with high-grade materials and undergo full type tests, ensuring long service life in harsh outdoor environments. With over a decade of export experience, we provide end-to-end support from engineering to after-sales.
FAQ
Q1: What is the typical lead time for this substation?
A: Standard lead time is 30-45 days after order confirmation, depending on customization requirements.
Q2: Can the substation be customized for different voltage levels?
A: Yes, we can adjust the HV side to 6kV, 10kV, 20kV, or 35kV, and the LV side to match your solar inverter output.
Q3: Is the prefabricated cabin weatherproof for extreme climates?
A: Absolutely. The cabin is designed with IP54/IP65 protection, anti-corrosion coating, and thermal insulation to withstand high humidity, salt spray, and temperature extremes.
Q4: Do you provide installation and commissioning support?
A: Yes, we offer remote technical guidance and can arrange on-site commissioning by our engineers if needed.
Q5: What certifications does this product have?
A: Our substations comply with IEC, IEEE, and GB standards, and we can provide CE, ISO9001, and other certificates as required.






