500kVA 3 Phase Pad Mounted Electrical Transformer Weatherproof Oil Immersed Cooling

The 500kVA Three-Phase Pad-Mounted Transformer offers a robust, energy-efficient solution for medium to large commercial, industrial, and utility applications. Designed for outdoor installations, this transformer provides stable and reliable power distribution with minimal maintenance. Its oil-immersed cooling system ensures optimal performance, even in demanding environments, while the tamper-proof design provides security and longevity. Ideal for applications requiring a constant, balanced power supply, the 500kVA transformer is engineered to meet high-performance standards and to withstand the rigors of continuous operation.

• Rated Capacity: 500 kVA
• Type: Three-Phase, Pad-Mounted, Oil-Immersed
• Primary Voltage: Customizable (e.g., 11kV, 13.8kV, 12.47kV)
• Secondary Voltage: Customizable (e.g., 480Y/277V, 208Y/120V)
• Frequency: 50Hz / 60Hz
• Cooling Method: Oil Natural Air Natural (ONAN)
• Temperature Rise: 65°C (standard)
• Tap Changer: Off-circuit tap changer ±2×2.5% (customizable)
• Protection Rating: IP23 (Optional: IP44, IP54 for more severe environments)
• Insulation Level: BIL 95kV or according to customer specifications
• Enclosure: Weatherproof, tamper-resistant design (ANSI/IEEE standards compliant)
• Noise Level: ≤ 55 dB (low noise for residential and urban applications)
• Weight: Approx. 2500-3000 kg (depending on configuration)

• Energy-Efficient Operation: High-performance core and winding design minimize energy losses, reducing operational costs.
• Durability & Reliability: Oil-immersed design provides superior cooling and extends transformer lifespan, ensuring uninterrupted power supply.
• Outdoor-Ready: The tamper-proof, weatherproof enclosure is built to withstand harsh outdoor conditions, making it perfect for both urban and rural environments.
• Cost-Effective Maintenance: Reduced maintenance needs thanks to the sealed tank and advanced cooling system, minimizing downtime and extending service life.
• Flexible Power Options: Customizable voltage configurations to meet specific energy requirements for different applications.
• Quiet & Safe: Low-noise operation (≤ 55 dB) makes it suitable for noise-sensitive environments like hospitals, schools, and residential areas.
• Meets Global Standards: Manufactured to meet ANSI/IEEE and IEC safety standards, ensuring a reliable, compliant product for your power distribution needs.

• Utility Substations: Ideal for medium-voltage distribution in substations serving urban or industrial areas.
• Industrial Facilities: Powers manufacturing plants, automation systems, HVAC systems, and more.
• Commercial Buildings: Perfect for office complexes, shopping malls, schools, and hospitals requiring reliable three-phase power.
• Public Infrastructure: Powers outdoor lighting, utility systems, and communication towers in public spaces.
• Renewable Energy Projects: Ideal for integration with renewable energy sources, such as solar and wind farms, to provide stable grid connections.

HENTG POWER is a professional designer, manufacturer and installer of power system solutions around the world, founded in 2011, occupying 100,000 square meters. We specialize in reliable, high-performance solutions for global power systems.