
Jsm S9-315kVA/11kv Oil Immersion Transformer Distribution Transformer. 30-Year Guarantee: Manufacturer guarantees 30 years of reliable operation for the transformer. Energy Saving Design: No load loss decreases 10.25% and load loss decreases 22.4% compared to S7 series. Oxygen-Free Copper Coils: High and low voltage coils are wound with oxygen-free copper for superior conductivity. High Short-Circuit Resistance: Features fine mechanical performance and high short-circuit resisting ability. Low Noise & Leakage: Designed for low power consumption, low partial-discharge, low noise, and zero leakage. Advanced Simulation Design: Uses advanced software for electromagnetic and mechanical simulation to ensure reliability. ISO Quality Standards: Quality control strictly follows ISO19001 standards with systematic data management. Customizable Connection Groups: Available in Yyn0, Dyn11, Dyn5, or other custom connection configurations.