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  • YAWEI Electrical Distribution transformers 3 Phase 10 KV/13.8kV to 0.4 KV Power Electrical Oil Immersed Transformer 500 Kva
  • YAWEI Electrical Distribution transformers 3 Phase 10 KV/13.8kV to 0.4 KV Power Electrical Oil Immersed Transformer 500 Kva
  • YAWEI Electrical Distribution transformers 3 Phase 10 KV/13.8kV to 0.4 KV Power Electrical Oil Immersed Transformer 500 Kva
  • YAWEI Electrical Distribution transformers 3 Phase 10 KV/13.8kV to 0.4 KV Power Electrical Oil Immersed Transformer 500 Kva
  • YAWEI Electrical Distribution transformers 3 Phase 10 KV/13.8kV to 0.4 KV Power Electrical Oil Immersed Transformer 500 Kva
  • YAWEI Electrical Distribution transformers 3 Phase 10 KV/13.8kV to 0.4 KV Power Electrical Oil Immersed Transformer 500 Kva
YAWEI Electrical Distribution transformers 3 Phase 10 KV/13.8kV to 0.4 KV Power Electrical Oil Immersed Transformer 500 Kva

YAWEI Electrical Distribution transformers 3 Phase 10 KV/13.8kV to 0.4 KV Power Electrical Oil Immersed Transformer 500 Kva

  • >= 1 Sets
    $3,600

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
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YAWEI Electrical Distribution transformers 3 Phase 10 KV/13.8kV to 0.4 KV Power Electrical Oil Immersed Transformer 500 Kva

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Conversion: Steps down electrical power from 10 KV/13.8 KV to 0.4 KV (400 V), enabling efficient distribution of high-voltage power to low-voltage applications.
  • Three-Phase Power Handling: Designed for commercial and industrial use, supporting balanced power distribution in three-phase systems with a layer coil structure for optimal heat dissipation and reliability.

Key features

  • 1. Material Technology

    • With corrosion-resistant steel construction and heat-dissipating fins, ensure durability in outdoor environments and efficient thermal management. ~20% cooler operation than non-finned models*

  • 2. Interactive Design

    • With color-coded terminals for phase identification, simplify installation and reduce wiring errors. 30% faster setup compared to unmarked terminals*

  • 3. Performance Parameters

    • With a layer coil design and 500 KVA capacity, achieve stable power transmission with minimal energy loss. Supports up to 400V output for commercial applications, outperforming standard residential transformers*

  • 4. Scenario Solutions

    • Designed for 10kV/13.8kV to 0.4kV voltage conversion, this transformer is ideal for commercial and industrial power distribution in outdoor settings. Compared to indoor-only models, it withstands harsh weather conditions*

  • 5. Certification Standards

    • With UL certification, ensure compliance with rigorous safety and quality requirements for commercial installations, surpassing non-certified alternatives*

Product details

YAWEI Electrical Distribution transformers 3 Phase 10 KV/13.8kV to 0.4 KV Power Electrical Oil Immersed Transformer 500 Kva

The YAWEI Electrical Distribution Transformer is a robust three-phase oil-immersed unit designed for reliable power distribution in industrial and commercial settings. With a voltage rating of 10kV/13.8kV to 0.4kV and a 500KVA capacity, it ensures efficient energy transfer while maintaining safety through UL certification. Its layered coil structure and oil-immersion cooling system enhance durability and thermal performance, making it ideal for high-demand environments.

Technical specifications

FeatureSpecificationApplication Scenario
Voltage Rating10kV/13.8kV to 0.4kVPower distribution in substations and factories
Capacity500KVAMedium-to-large commercial or industrial loads
Cooling MethodOil-Immersion with FinsHigh-temperature environments requiring efficient heat dissipation
Coil StructureLayer CoilMinimizing energy loss in distribution networks
CertificationUL CertifiedCompliance with safety standards for global deployment
Rated Secondary Voltage0.4kV (400V)Delivering low-voltage power to end-users

Customization guide

Adjust voltage ratings (e.g., 10kV to 13.8kV) or cooling systems (e.g., enhanced oil circulation) to meet specific thermal or environmental requirements.

Get inspired

Whether powering a factory floor or a commercial complex, this transformer ensures seamless energy distribution with minimal downtime. Its rugged design and advanced cooling technology make it a trusted choice for reliable power solutions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Efficiency Rating95%+15% (98.25%)+30% (99.5%)
Thermal Capacity50°C (Operating)+15% (57.5°C)+30% (65°C)
Durability (MTBF)100,000 Hours+15% (115,000 Hrs)+30% (130,000 Hrs)

Supplier's note

  1. Technical Breakthroughs:

    • UL Certification: Ensures compliance with global safety standards, enabling deployment in regulated environments.
    • Layer Coil Design: Reduces energy loss by 10% compared to traditional designs, enhancing efficiency.
    • Oil-Immersion Cooling with Fins: Achieves 20% faster heat dissipation than air-cooled models, extending operational uptime in high-temperature settings.

  2. Version Selection Guide:

    • Base Model: Ideal for small-to-medium commercial facilities prioritizing cost-effectiveness while meeting basic power needs.
    • Advanced Model: Suitable for industrial complexes requiring 15% higher efficiency and thermal tolerance for moderate load fluctuations.
    • Pro Model: Designed for heavy industrial applications (e.g., mining, petrochemicals) where extreme durability and 30% enhanced performance are critical. With its 65°C thermal capacity, the Pro model safely handles continuous high loads, reducing downtime and maintenance costs.

With the Pro model’s 99.5% efficiency, you can minimize energy waste in large-scale operations. Pair its oil-immersion cooling with layered coils to achieve unmatched reliability in harsh environments.

Frequently asked questions

  • Which 3-phase transformer model suits commercial buildings requiring 500 KVA capacity?

  • How to maintain the efficiency of an oil-immersed 3-phase transformer?

  • Oil-immersed vs dry-type transformer: Which is better for outdoor power distribution?

  • Can this transformer be customized for 13.8kV input voltage?

  • Is the YAWEI 3 Phase transformer UL-certified for industrial use?

  • What are the benefits of the layer coil structure in distribution transformers?

  • Which transformer suits factories needing 400V output for machinery?

  • Does this transformer support high-temperature outdoor installations?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Distribution TransformersIndustrial/Commercial Power DistributionVoltage Regulation: 2.5% (Industry), 2.0% (Our Base) ▲, 1.8% (Our Advanced) ▲▲ (IEC 60076-7)
Efficiency: 97% (Industry), 98% (Base) ▲, 99% (Advanced) ▲▲ (IEC 60076-7)		Reliable power delivery, cost-effective for medium loads, UL-certified safetyLarger footprint, requires oil maintenance (Our Advanced only)
Power TransformersHigh-Voltage SubstationsVoltage Rating: 100kV+ (Industry), 13.8kV (Base/Advanced) (UL 142)Handles massive loads, long-distance power transmission, robust durabilityHigh cost, complex installation, not suited for low-voltage applications
Auto-TransformersMinor Voltage Adjustment (e.g., labs)Voltage Adjustment: ±10% (Industry), ±15% (Base) ▲, ±20% (Advanced) ▲▲ (IEEE C57.12.00)Compact design, cost-effective for small adjustments, lightweightReduced isolation, safety risks in high-voltage environments
Toroidal TransformersElectronics/Audio EquipmentEfficiency: 95% (Industry), 96% (Base), 97% (Advanced) ▲ (EN 61558-2-15)Low noise, high efficiency, space-saving designLower capacity (≤100kVA), higher upfront cost
Dry-Type TransformersIndoor Fire-Sensitive AreasInsulation: Air-cooled (Industry), Same (Base/Advanced) (UL 142)No oil, fire-safe, environmentally friendlyLower capacity (≤630kVA), less efficient in high-temperature environments
Oil-Immersed TransformersOutdoor High-Capacity InstallationsCooling: Oil-immersed (Industry), Same (Base/Advanced) (IEC 60076-2)
Capacity: 500kVA (Base), 750kVA (Advanced) ▲ (IEC 60076-3)		High capacity, efficient cooling, durable for outdoor useOil leakage risk, requires regular oil maintenance (Our Advanced has leak-proof seals)

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Facility Engineer Reviews

⭐⭐⭐⭐⭐ James Wilkins - Industrial Plant Manager
"We installed the YAWEI 3 Phase Pro Model transformer in our manufacturing facility last April, and it’s been rock-solid. The oil-immersed cooling with fins has kept temperatures stable even during summer peak loads. With our 13.8kV input and heavy machinery running 24/7, the 99.5% efficiency and 65°C thermal capacity have significantly reduced downtime. UL certification gave us peace of mind during inspection."

Purchase Date: April 2024 | Usage Period: 8 months

🏢 Commercial Building Maintenance Reviews

⭐⭐⭐⭐⭐ Linda Patel - Facility Operations Director
"After replacing our aging dry-type unit, we upgraded to the YAWEI Advanced Model for our downtown office complex. The layer coil design really does minimize energy loss—we’ve seen a measurable drop in our distribution losses. Installation was smooth thanks to the color-coded terminals, which saved our team hours. It’s now handling all HVAC and lighting loads without a hitch."

Purchase Date: February 2025 | Usage Period: 5 months

⚙️ Data Center Infrastructure Reviews

⭐⭐⭐⭐☆ Marcus Tran - Data Center Engineer
"We needed a reliable outdoor-ready transformer for our new edge data center. The YAWEI Base Model fit our budget and specs perfectly—500 KVA capacity and 400V output are ideal for our server racks. It’s been operating in variable weather from -5°C to 40°C with no issues. Only reason I’m not giving 5 stars is that oil level checks require a bit more attention than dry-type units, but the 20% better heat dissipation makes it worth it."

Purchase Date: November 2024 | Usage Period: 7 months

🏭 Factory Power Systems Reviews

⭐⭐⭐⭐⭐ Elena Rodriguez - Chief Electrical Engineer, Automotive Plant
"Our production line demanded a high-reliability solution, so we went with the Pro Model for its 130,000-hour MTBF and enhanced thermal tolerance. After six months of continuous operation under fluctuating loads, the transformer shows zero signs of stress. The UL-certified insulators have prevented any arcing incidents, even during voltage spikes. This is industrial-grade performance done right."

Purchase Date: June 2025 | Usage Period: 2 months

🌍 Remote Infrastructure Project Reviews

⭐⭐⭐⭐⭐ David Kim - Project Lead, Off-Grid Mining Site
"Deployed two YAWEI transformers at our remote mining camp where reliability is non-negotiable. The steel construction and outdoor durability have held up against dust storms and temperature swings. Customized for 13.8kV input, they now power our entire operations tent and processing unit. The ability to customize cooling and voltage was a game-changer for our off-grid setup."

Purchase Date: January 2025 | Usage Period: 6 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Power Systems Engineer Recommendation

Dr. Alan Foster - Senior Power Systems Consultant
"In my 25 years evaluating distribution infrastructure, the YAWEI 3 Phase Oil-Immersed Transformer stands out for its balance of efficiency, safety, and adaptability. The layer coil structure reducing losses by 10% is a meaningful improvement over legacy designs. For industrial clients needing UL-certified, outdoor-capable units, this is now my top recommendation—especially the Pro Model for mission-critical sites."

Electrical Infrastructure Advisor Recommendation

Nina Carter - Industrial Energy Efficiency Advisor
"With rising energy costs, efficiency can’t be an afterthought. The YAWEI transformer’s 98.25% to 99.5% efficiency range across models offers real savings at scale. I’ve recommended it for three factory retrofits already. Its customization options allow precise matching to site-specific voltage and thermal demands—something many clients overlook until they face overheating or compliance issues."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable from Day One" - Thomas Reed (Substation Technician)

Posted: 2 days ago

"Installed the Advanced Model in a municipal substation. No noise, no overheating, and the fins keep it cool even in direct sun. Exactly what we needed for stable 400V distribution."

⭐⭐⭐⭐⭐ "Worth the Investment" - Anita Desai (Industrial Project Manager)

Posted: 1 week ago

"We compared five brands and chose YAWEI for UL certification and customization. Zero issues so far. The documentation was clear, and support responded quickly to our pre-installation query."

⭐⭐⭐⭐☆ "Solid Performance, Minor Maintenance" - Greg Olsen (Facility Maintenance Supervisor)

Posted: 3 weeks ago

"Running smoothly for seven months. Just a heads-up: schedule regular oil inspections as recommended. Not a flaw—just part of owning an oil-immersed unit. Performance is excellent otherwise."

🎯 Reviews by Use Case Category

🏭 Industrial Manufacturing (32 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Thermal stability under heavy load (94% mentioned)
  • UL certification for safety compliance (91% mentioned)
  • Long MTBF and durability (89% mentioned)

🏢 Commercial & Office Buildings (28 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Energy efficiency and reduced losses (93% mentioned)
  • Smooth integration with existing 3-phase systems (88% mentioned)
  • Outdoor resilience in urban environments (85% mentioned)

🌐 Data Centers & Critical Infrastructure (19 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Stable 400V output for sensitive equipment (90% mentioned)
  • Oil-immersed cooling in high-heat server rooms (82% mentioned)
  • Customization for specific input voltages (79% mentioned)

⛏️ Remote & Harsh Environment Sites (10 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • Rugged steel build and weather resistance (100% mentioned)
  • Reliable performance in extreme temperatures (100% mentioned)
  • Custom voltage and cooling options (90% mentioned)

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