S11 -4000kVA 35/0.4kv Fully Sealed Oil Immersed Power Distribution Transformer Manufacturer

S11 -4000kVA 35/0.4kv Fully Sealed Oil Immersed Power Distribution Transformer Manufacturer. Fully Sealed Structure: Maintenance-free design with a lifespan exceeding 30 years. High Efficiency Core: Made of cold-rolled silicon steel with five-stage stacking to reduce loss and noise. Short Circuit Resistance: Compact body structure reduces radial force and withstands sudden short circuits. Certified Quality: Complies with IEC, SGS, Intertek, CCC, and CE standards with 100% testing. Customization Available: Accepts detailed requirements, technical drawings, and specific parameters. Low Loss Performance: Optimized design ensures low no-load loss (480W) and load loss (3650W). Flexible Frequency: Rated frequency supports 50Hz or 60Hz operation. Established Manufacturer: Over 28 years of experience with multiple patents and ISO certifications.