Hot Sell Step Down 400kVA 11kv 15kv Oil-Immersed Power Electric Transformer

Hot Sell Step Down 400kVA 11kv 15kv Oil-Immersed Power Electric Transformer. High Efficiency Design: Utilizes grain-oriented silicon steel and copper/aluminum windings to minimize energy loss, achieving 99%-99.99% efficiency. Robust Safety Protection: Equipped with Buchholz relay, pressure relief device, and temperature indicator for comprehensive fault detection and safety. Excellent Cooling Performance: Oil-immersed design ensures efficient heat dissipation and outstanding electrical insulation for stable heavy-load operation. Flexible Material Options: Available with either copper or aluminum windings to balance conductivity, cost, and weight based on project requirements. Wide Capacity Range: Offers S-30KVA to 2500KVA capacity options with primary voltages from 6-35KV and secondary voltages from 120-450V. ISO 9001 Certified Quality: Manufactured under strict ISO 9001 Quality Management System with 100% final inspection before shipment. Long Service Life: Designed for durability with a service life of more than 20 years and a standard 12-month warranty. Global Compliance: Products comply with IEC and CE international standards, ensuring global compatibility and performance.