
S9 Type Double-Winding Non-Excitation Tap-Changing Oil Immersed Distribution Transformer of 6~10kv. High Efficiency Design: Optimized structure improves electric strength, mechanical strength, and heat-sinking capability. Certified Quality: Passed short-circuit tests by Wuhan High Voltage Research Institute and National Center for Quality Supervision. Versatile Application: Suitable for 3-phase 50Hz power systems, 35kV and below, for industry and agriculture distribution. Flexible Customization: Supports full customization, minor customization, and customization from samples or designs. 100% Inspection: Finished products undergo 100% visual and function inspection to ensure reliability. Fast Delivery: Production time is 2-4 weeks with professional shipping solutions available. Manufacturer Direct: Direct factory supply with 3 production lines and 5 QA/QC inspectors. Comprehensive Support: Provides spare parts, professional solutions, and 1-year quality warranty.