
New Energy-Saving S13 Oil-Immersed Transformer, Made in China. Three-Dimensional Wound Core: Eliminates air gaps for high efficiency and reduced losses meeting Level 1 energy standards. High Reliability Design: Fully sealed corrugated tank isolates components from air and moisture for maintenance-free operation. Robust Environmental Adaptability: Built for harsh conditions with wide temperature ranges, high altitudes, and optional biodegradable oil. Premium Materials: Uses cold-rolled silicon steel sheets with high magnetic permeability for lower operating noise. Flexible Customization: Offers full customization, minor customization, and options from samples or designs. Comprehensive Certifications: Certified with ISO9001, CCC, CE, ISO45001, and ISO14001 for quality and safety. OEM and ODM Services: Manufacturer provides both OEM and ODM services with 13 R&D engineers. Fast Lead Time: Average lead time within 15 workdays or one month regardless of season.