500kVA 11kv 0.4kv Three Phase Distribution Oil Immersed Power Transformer

500kVA 11kv 0.4kv Three Phase Distribution Oil Immersed Power Transformer. High Efficiency and Low Loss: Adopts cold-rolled silicon steel and oxygen-free copper to reduce power consumption and operating costs. Enhanced Short-Circuit Resistance: Features new insulation structure and improved coil end surface support for stronger current resistance. Reliable Transportation Structure: New hoisting and body positioning structures ensure safety during long-distance transport and operation. Superior Cooling Performance: Spiral coil with longitudinal oil passage provides better internal heat dissipation. Premium Material Quality: Uses oxygen-free copper, high-quality silicon steel, and deep-filtered transformer oil for reliability. Comprehensive Certifications: Certified with ISO9001-2000, ISO9001, CCC, and CE standards for quality assurance. Customizable Voltage Options: HV range 6-35kV and LV options including 433V, 415V, 400V, 380V available. OEM and ODM Services: Full OEM and ODM services available with 15 R&D engineers supporting customization.