
High-Performance Weatherproof Outdoor Power Transformer for Reliable Energy. Hermetically Sealed Design: Prevents oil deterioration and insulation aging without needing an oil conservator. Low Loss and Noise: Uses high permeability cold rolled silicon steel to reduce no-load loss and noise. High Short-Circuit Withstand: Compact structure reduces radial force and withstands high sudden short-circuit currents. Maintenance Free Operation: Hermetically sealed structure ensures long service life with zero maintenance requirements. ISO 9001 Certified: Factory holds ISO 9001 Quality Management System certification. IEC and CE Compliant: Products comply with IEC and CE international standards. High Production Capacity: Annual output exceeds 10,000 units ranging from 30KVA to 20MVA. Customizable Phase and Cooling: Phase and cooling method are available in customized options.