
10kv 30kVA 125kVA 500kVA 1250kVA S20-M Oil-Immersed Distribution Transformer China Power Transformer Manufacturer for Electrical Grid Supply. High-Efficiency Core Design: Grain-oriented silicon steel with step-lap structure ensures low losses and reduced noise. Fully Sealed Oil-Immersed: Vacuum oil-filling process seals oil from atmosphere, eliminating routine oil testing needs. Corrugated Oil Tank Design: Functions as cooling surface and expansion chamber, removing need for conservator. Multi-Standard Compliance: Manufactured per IEC standards with ISO9001, ISO14001, CCC, and CE certifications. Customization Capabilities: Offers full customization, minor customization, and flexible options based on designs. IP Rating Flexibility: Available in IP23, IP54, IP65, and IP67 ratings for various environmental conditions. Comprehensive EPC Services: Provides turnkey engineering, procurement, and construction services up to 220kV. 24/7 Technical Support: Remote consultation available 7x24 with optional on-site engineer dispatch.