
  Sfz11-40000kVA/161-33kv Cesi Kema Standard Oil-Immersed Transformer 40mva. Comprehensive Certifications: ISO9001, ISO14001, OHSAS18001, CE, CESI, KEMA, and KESCO certified. Oil Leak Proof Design: Features high-quality rubber gaskets and advanced sealing to prevent leaks. Low Noise and Loss: Advanced core design and hydraulic compaction reduce noise and energy loss. Strong Short Circuit Withstand: Designed for worst-case conditions with high-frequency welding and compaction. Global Project Experience: Supplied transformers to Ecuador, Turkey, USA, Chile, Peru, and Paraguay. 12 Months Warranty: Standard guarantee period covers 12 months after transformer operation. Fast Response Support: Technical team provides quick response within 12 hours for any issues. IEC Standard Compliance: All products meet International Electric Committee (IEC) performance standards.