
Jsm S9-800kVA/11kv Oil Immersion Transformer Distribution Transformer. 22 Years Manufacturing Experience: Backed by 22 years of industry expertise and three subsidiaries. 30-Year Performance Guarantee: Guarantees reliable performance and durability for 30 years. Energy Saving Technology: No load loss decreases by 10.25% and load loss by 22.4% compared to S7 series. High Short-Circuit Resistance: Features fine mechanical performance and high short-circuit resisting ability. Oxygen-Free Copper Coils: High and low voltage coils are wound with oxygen-free copper for efficiency. Advanced Simulation Design: Uses advanced software for electromagnetic and mechanical power simulation. ISO9001 Quality Assurance: Quality controlled according to ISO9001 standards with systematic data management. Low Noise and Leakage: Designed for low power consumption, low partial-discharge, and zero leakage.