Description

As a trusted transformer manufacturer and supplier, we offer the high-quality 400KVA Oil Immersed Transformer designed for industrial, commercial, and power distribution applications. Engineered with premium silicon steel core and high-grade insulating oil, this transformer ensures reliable performance, long service life, and efficient energy transfer under various operating conditions. Ideal for new installations or system upgrades, our 400KVA oil-immersed transformer delivers stable and safe electricity, making it the perfect choice for businesses seeking dependable power solutions. We are a trusted transformer manufacturer, offering products from 100kVA to 2000kVA Oil Immersed Transformers.

Contact us today to get a quote or place your order directly from the factory.

400KVA Oil Immersed Transformer Overview

This powerful product image showcases our flagship 400KVA oil-immersed transformer, engineered to deliver exceptional performance in the most demanding industrial environments. It integrates superior reliability with advanced functionality, offering lasting and stable power protection for your electrical systems.

Key Performance Advantages:

• High-Efficiency Cooling System: Innovative structural design improves heat dissipation efficiency by 25% compared to industry standards, maintaining optimal operating temperatures even under continuous heavy loads

• Exceptional Overload Capacity: Capable of withstanding 150% instantaneous overload, effectively handling grid fluctuations and sudden power demands

• Long-Term Stable Operation: Precision-engineered internal components and optimized layout ensure a mean time between failures (MTBF) exceeding 100,000 hours

Reliable Solutions for Critical Applications:

Our transformers are engineered to meet the rigorous demands of mission-critical environments worldwide, serving as the backbone for smart manufacturing facilities, large-scale data centers, renewable energy power plants, urban rail transit systems, and healthcare and medical facilities. This diverse application range is a testament to their proven reliability and adaptability.

We understand the critical importance of stable power supply for your business continuity. Every detail of this transformer undergoes rigorous validation, featuring an IP54 protection rating and noise levels controlled below 55 dB, ensuring robust performance while harmonizing with the surrounding environment.

For detailed technical specifications or customized solutions, our engineering team is ready to provide you with professional support.

Technical Specifications of 400KVA Oil Immersed Transformer

Our 400kVA series power transformer is the ideal solution for industrial zones, commercial complexes, and residential distribution. Combining advanced electromagnetic design with precision manufacturing, this unit delivers exceptional performance with a focus on energy conservation.

• Superior Energy Efficiency: With a no-load loss of only 570W, this unit significantly reduces operational overhead and carbon footprint.

• High Short-Circuit Strength: Featuring a 4.0% short-circuit impedance, it provides robust protection against grid surges and mechanical stress.

• Flexible Connectivity: Fully compatible with Dyn11, Yzn11, and Yyn0 connection groups to meet diverse grounding and harmonic suppression requirements.

• Stable Output: The 10±5% H.V. tapping allows for precise voltage regulation, ensuring your equipment receives stable power even during grid fluctuations.

Key Advantages of Our 400KVA Oil Immersed Transformer

This detailed feature graphic illuminates the exceptional engineering behind our 400KVA oil immersed transformer – a power solution designed for demanding applications where reliability cannot be compromised. Each element represents our commitment to delivering not just a product, but a comprehensive power management partnership. Our transformers feature advanced cooling systems similar to those in our [Dry Type Transformers].

Customizable Voltage Configuration

• Engineered with flexible voltage options to perfectly align with your specific grid requirements and regional standards

• Adaptable design ensures seamless integration into both existing infrastructure and new power systems

Advanced Efficiency Performance

• Ultra-low loss core design utilizing premium grain-oriented silicon steel

• Optimized magnetic circuit geometry reduces no-load losses by up to 30% compared to conventional models

• Significant reduction in operational costs through minimized energy waste

Superior Environmental Protection

• Fully sealed tank construction with reinforced welded joints prevents oil leakage and moisture ingress

• Multi-layer corrosion protection system withstands aggressive industrial atmospheres

• IP55 protection rating ensures reliable operation in coastal, mining, and extreme weather conditions

Extreme Environment Capability

• Specially formulated transformer oil maintains stable viscosity across temperature extremes (-40°C to +50°C)

• Enhanced cooling system design prevents thermal degradation in high-ambient conditions

• Earthquake-resistant mounting structure and vandal-proof accessories available

Comprehensive Technical Support

• Round-the-clock expert assistance from our dedicated power engineering team

• Remote monitoring compatibility and predictive maintenance advisory services

• Rapid response technical support with global service network coverage

Factory Photos of 400kVA Liquid-Filled Power Transformer

Behind-the-Scenes of Our Oil-Immersed Transformer Production

At Solarsia, we are a leading transformer manufacturer committed to delivering high-performance, reliable oil-immersed transformers. Our production process reflects a dedication to manufacturing excellence and rigorous quality control, ensuring that each transformer meets the highest international standards, including IEC and IEEE standards.

Precision Quality Assurance in Every Stage
From core assembly to winding precision, oil purification, and tank sealing, every stage of production is carefully monitored through a multi-layered inspection protocol. Each component undergoes meticulous verification against strict quality parameters, eliminating variability and guaranteeing consistent, top-tier performance. Our stringent quality checks ensure that every transformer is ready for integration into critical power systems.

Comprehensive Testing for Reliability and Safety
In our Finished Product Zone, every oil-immersed transformer undergoes extensive performance validation. This includes dielectric testing, load loss measurements, and temperature rise verification, providing full traceability and confirming compliance with international safety and performance requirements. By prioritizing these tests, we ensure that our transformers offer long-term reliability, superior safety, and seamless operation within your electrical infrastructure.

Engineered for Long-Term Performance
Built on a foundation of precision engineering and rigorous validation, our oil-immersed transformers are designed to enhance the reliability and efficiency of your power system. Whether for industrial, commercial, or utility applications, each unit is crafted to meet the demands of modern electrical networks while adhering to global quality standards.

Choose Our Transformers for:

• Exceptional power system reliability

• Compliance with IEC and IEEE standards

• High-performance oil-immersed transformer solutions

• Long-term operational safety and efficiency

Packaging and Shipping of 400kVA Liquid-Filled Power Transformer

Comprehensive Transformer Logistics for Safe and Timely Delivery

At [Your Company Name], we understand that the safe delivery of your oil-immersed transformer is as critical as its operational performance. That’s why we provide end-to-end transformer logistics solutions designed to maintain full integrity, performance, and installation readiness upon arrival at your site.

Robust, Site-Ready Packaging
We carefully mount each transformer in a custom-engineered, weather-proof steel crate designed to withstand the rigors of international shipping. Our packaging protects against moisture, physical impact, vibration, and environmental hazards, ensuring your transformer reaches its destination safely and maintains its factory-calibrated performance.

Seamless Global Logistics and Tracking
Our experienced global logistics team manages every stage of transformer transport, including customs clearance, documentation, and multi-modal shipping by sea, land, or air. With real-time shipment tracking and proactive communication, we guarantee that your transformer arrives on schedule, ready to integrate into your power system.

Ensuring Operational Readiness on Site
We don’t just deliver equipment—we ensure that your transformer arrives installation-ready. By maintaining factory calibration and minimizing on-site preparation time, our logistics solutions help you save valuable project hours while preserving long-term reliability and performance.

Why Choose Our Transformer Logistics Services:

• Safe, secure, and weather-proof transformer shipping solutions

• End-to-end global logistics management

• Real-time tracking and proactive delivery updates

• Guaranteed installation-ready equipment for immediate use

• Optimized for industrial, commercial, and utility power systems

Certifications for 400kVA Liquid-Filled Power Transformer

Our 400KVA Oil Immersed Transformer is engineered and tested to meet strict international quality and safety standards, ensuring reliable performance and global compliance. It conforms with major power transformer specifications such as IEC 60076 for design and testing procedures, and IEEE C57.12 series for liquid‑immersed transformer performance and quality control.

We hold globally recognized system and product certifications including ISO 9001 (Quality Management System), ISO 14001 (Environmental Management), and RoHS compliance for reduced hazardous substances — demonstrating our commitment to quality, environmental responsibility, and customer safety.

We supply our transformers with CE marking for the European market and UL/CSA listings for North American safety compliance, featuring third-party verification from accredited laboratories. These certifications provide objective proof of performance and help streamline international project approvals.

👉 Learn more about the key international standards for power transformers on the International Electrotechnical Commission (IEC) website, and review IEEE test standards at the IEEE Standards Association. This ensures your transformer meets global expectations for durability, safety, and efficiency.

Global Cooperation

This image captures our commitment to customer satisfaction through direct collaboration. The management team, technical experts, and international clients discuss project requirements for the oil immersed transformer.

We understand your needs and deliver tailored solutions for your oil immersed transformer applications. Our expertise and service make us more than a supplier—we are your trusted power partner. We ensure your oil immersed transformer delivers maximum value and performance.

400KVA Oil Immersed Transformer FAQ

Q1: What is a 400KVA Oil Immersed Transformer?

A: A 400KVA Oil Immersed Transformer, also known as a 400kVA Oil-Filled Transformer, is a medium-voltage power transformer that uses high-quality insulating oil for cooling and electrical insulation. It delivers reliable and stable electricity for industrial, commercial, and utility power distribution applications.

Q2: What are the main advantages of a 400KVA oil-immersed transformer?

A: The 400KVA Oil Immersed Transformer provides high load capacity, efficient oil cooling, and long service life. The insulating oil prevents overheating, ensures stable operation under heavy-load conditions, and improves overall transformer reliability for industrial and commercial power systems.

Q3: Where can 400KVA oil-immersed transformers be used?

A: These transformers are widely used in factories, electrical substations, commercial buildings, and medium-voltage power distribution networks. They provide safe, reliable, and efficient power transformation for industrial and commercial facilities.

Q4: What maintenance is required for a 400KVA oil-immersed transformer?

A: Routine maintenance includes checking oil levels, testing oil quality, inspecting for leaks or corrosion, and ensuring proper grounding. Following these steps helps maintain optimal performance and longevity in industrial and utility applications.

Q5: Are 400KVA oil-immersed transformers certified and safe?

A: Yes, each 400KVA Oil Immersed Transformer is tested and certified to meet international safety and quality standards, including IEC 60076 and IEEE C57.12. These certifications ensure safe operation for global power distribution and industrial projects. Learn more about IEC transformer standards here