Product Overview
Sanlita’s SCB dry-type box substation (also known as box-type transformer or compact substation) is a fully integrated power distribution solution designed for commercial, industrial, and renewable energy projects. Available in 250kVA, 400kVA, 630kVA, and 800kVA ratings, this ring main unit (RMU) type substation features a dry-type transformer for enhanced safety, low maintenance, and environmental friendliness. The pre-assembled enclosure includes high-voltage switchgear, transformer, and low-voltage distribution, making it ideal for solar farms, construction sites, and urban power grids.
Technical Specifications
| Parameter | Details |
|---|---|
| Rated Power | 250kVA / 400kVA / 630kVA / 800kVA |
| Transformer Type | SCB Dry-Type (Resin Cast) |
| High Voltage | 10kV / 12kV / 24kV (Customizable) |
| Low Voltage | 0.4kV / 0.48kV |
| Ring Main Unit | SF6 or Vacuum type, 2-4 ways |
| Cooling Method | AN (Air Natural) / AF (Air Forced) |
| Insulation Class | F / H |
| Enclosure Protection | IP54 / IP65 |
| Standards | IEC 60076, GB/T 17467 |
| Application | Solar PV, Industrial, Commercial, Utility |
Why Choose Sanlita
- Factory Direct: As a Chinese manufacturer, we offer competitive pricing without intermediaries.
- Custom Engineering: Tailor voltage, RMU configuration, and enclosure to your project needs.
- Quality Assurance: Every unit undergoes full-load testing and complies with international standards.
- Global Experience: Thousands of units deployed in solar farms, factories, and infrastructure projects worldwide.
- Reliable Support: 24/7 technical assistance and comprehensive warranty coverage.
FAQ
Q1: What is the difference between a dry-type and oil-filled substation?
A: Dry-type transformers use resin-encapsulated windings, offering higher fire safety, no oil leakage, and lower maintenance. They are ideal for indoor or environmentally sensitive areas.
Q2: Can this substation be used for solar energy storage systems?
A: Yes, the SCB dry-type box substation is widely used in solar PV and energy storage projects for stepping up voltage and integrating with the grid.
Q3: What is the lead time for a 630kVA unit?
A: Standard lead time is 25-35 days after order confirmation, depending on customization requirements. We offer expedited shipping for urgent projects.
Q4: Do you provide installation and commissioning support?
A: Yes, we provide detailed manuals, remote guidance, and optional on-site technical support for large orders.
Q5: What certifications do your substations have?
A: Our products are CE, ISO 9001, and IEC certified. We can also provide test reports from third-party labs upon request.








