Outdoor 50Hz Silicon Steel Sheet Grey Double Winding Oil Immersed Transformer. Oil-Immersed Cooling: Features oil-immersed cooling method for efficient heat dissipation and stable operation. Silicon Steel Core: High magnetic conductivity particle orientation silicon steel sheet with core type structure. Customizable Capacity: Rated capacity ranges from 30kVA to 3000kVA to meet diverse power requirements. OEM/ODM Service: Professional factory offers logo printing and custom design services based on client drawings. ISO Certified Quality: Manufacturing certified under ISO9001:2015, ISO45001:2018, and ISO14001 standards. 100% Product Inspection: All finished products undergo visual and functional inspection before shipment. Flexible Customization: Products can be customized for voltage, frequency, and specific regional requirements. Rapid Quality Response: Technical team provides satisfied solutions for quality issues within 1 day.