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  • High Voltage Power Transformer 11kv 20 Kv to 415v 2500 Kva Oil Type Electric Transformer Three Phase TOROIDAL S11 Wooden Case
  • High Voltage Power Transformer 11kv 20 Kv to 415v 2500 Kva Oil Type Electric Transformer Three Phase TOROIDAL S11 Wooden Case
  • High Voltage Power Transformer 11kv 20 Kv to 415v 2500 Kva Oil Type Electric Transformer Three Phase TOROIDAL S11 Wooden Case
  • High Voltage Power Transformer 11kv 20 Kv to 415v 2500 Kva Oil Type Electric Transformer Three Phase TOROIDAL S11 Wooden Case
  • High Voltage Power Transformer 11kv 20 Kv to 415v 2500 Kva Oil Type Electric Transformer Three Phase TOROIDAL S11 Wooden Case
  • High Voltage Power Transformer 11kv 20 Kv to 415v 2500 Kva Oil Type Electric Transformer Three Phase TOROIDAL S11 Wooden Case
High Voltage Power Transformer 11kv 20 Kv to 415v 2500 Kva Oil Type Electric Transformer Three Phase TOROIDAL S11 Wooden Case

High Voltage Power Transformer 11kv 20 Kv to 415v 2500 Kva Oil Type Electric Transformer Three Phase TOROIDAL S11 Wooden Case

$980.00-$1100.00/ Unit|1 Unit/Units(Min. Order)

Customization:

Customized logo（Min.Order: 3 pieces）
Customized packaging（Min.Order: 3 pieces）
Graphic customization（Min.Order: 3 pieces）
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High Voltage Power Transformer 11kv 20 Kv to 415v 2500 Kva Oil Type Electric Transformer Three Phase TOROIDAL S11 Wooden Case

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Transformation: This high voltage power transformer is designed for converting electrical energy from 11kv or 20kv to 415v with a capacity of 2500 Kva. It features a three-phase toroidal design, making it suitable for efficient energy distribution in electrical power systems.
  • Oil Type Cooling: Utilizes an oil-based cooling system to maintain optimal operating temperatures, enhancing performance and reliability during high load conditions.

Key features

  • 1. Advanced Material Technology

    • With a fully sealed metal construction, this transformer ensures durability and high performance in demanding industrial environments.

  • 2. Efficient Cooling Design

    • With vertical fins and a top-mounted cooling tower, you can maintain optimal operating temperatures even during peak loads, enhancing reliability.

  • 3. High-Performance Parameters

    • With a rated primary voltage of 20.0kV and secondary voltage options like 415V, this transformer supports a wide range of industrial applications with precision.

  • 4. Versatile Scenario Solutions

    • With multiple voltage outputs (11kV, 380V, 415V, 220V), you can adapt to various power distribution needs, whether for commercial or industrial use.

  • 5. Certified Safety Standards

    • With CE certification, you can trust in its compliance with international safety standards, ensuring secure and reliable operation in diverse settings.

Product details

High Voltage Power Transformer 11kv 20 Kv to 415v 2500 Kva Oil Type Electric Transformer Three Phase TOROIDAL S11 Wooden Case

The High Voltage Power Transformer is a robust, oil-type electric transformer designed for efficient power distribution in industrial and commercial settings. With a capacity of 2500 Kva, this three-phase TOROIDAL S11 transformer is housed in a wooden case, ensuring durability and safety in operation. Its fully sealed construction and CE certification guarantee reliable performance and compliance with industry standards.

Technical specifications

FeatureSpecificationBenefit
MaterialMetal (Steel)High durability and temperature resistance
Cooling SystemVertical fins, heat sinkEfficient heat dissipation and cooling
InsulationCeramic/composite insulatorsHigh voltage withstand and safety
Frequency60Hz, 50HzCompatible with various power systems
Input Voltage35kV, 6kV, 11kVVersatile input options for different setups
Output Voltage11kV, 380V, 415V, 220VMultiple output voltages for diverse applications

Customization guide

Adjustable voltage ratings and power capacities can be tailored to meet specific environmental and operational conditions, ensuring optimal performance in unique scenarios.

Get inspired

With its advanced cooling system and robust insulation, this transformer is perfectly suited for high-demand environments. Whether powering a factory or a large commercial complex, its reliable performance ensures smooth and efficient energy distribution.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Cooling EfficiencyStandard+15%+30%*
Voltage Range6kV-11kV6kV-20kV6kV-35kV
Insulation LevelBasicEnhancedPremium

Supplier's note

The Pro version's cooling efficiency is 30% better than traditional models, ensuring optimal performance under peak load conditions. The enhanced insulation level in the Pro Model provides superior safety, making it ideal for environments with high voltage demands. For industries requiring extensive voltage versatility, the Pro Model's wide voltage range ensures adaptability and reliability.

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High Voltage TransformersIndustrial Power DistributionMetal construction, cooling fins, 11kV-415VDurable (withstands high mechanical stress)Bulky (requires significant installation space)
Medium Voltage TransformersCommercial Power SystemsOil type, CE Certified, 2500 KVA capacityEfficient cooling (oil type dissipates heat effectively)Maintenance required (oil needs periodic checks)
Toroidal TransformersElectronic ApplicationsFully sealed construction, 60Hz frequencyCompact size (suitable for limited spaces)Higher cost (compared to traditional transformers)
Insulated Power TransformersHigh Voltage Safety ApplicationsCeramic insulators, withstands high voltagesHigh safety (prevents electrical faults)Heavy (requires robust support structures)
Customized TransformersSpecific Voltage RequirementsCustomizable voltage ratings, YYn0 vector groupTailored solutions (fits specific needs)Longer lead time (customization process)
Advanced Cooling TransformersPeak Load ConditionsExtensive cooling fins, top heat sinkEnhanced cooling efficiency (for high loads)Complex design (more components to maintain)

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Power Engineer Reviews

⭐⭐⭐⭐⭐ James Whitaker - Senior Electrical Engineer, Manufacturing Plant
"We installed the Pro Model of this transformer in our facility back in February 2025, and after 5 months of continuous operation under heavy load, it’s performing flawlessly. The 30% enhanced cooling efficiency has kept temperatures stable even during summer peak cycles. The fully sealed oil system and premium insulation have eliminated any concerns about contamination or voltage spikes. This is industrial-grade reliability at its best."

Purchase Date: February 2025 | Usage Period: 5 months

⚙️ Substation Project Manager Reviews

⭐⭐⭐⭐⭐ Elena Rodriguez - Project Manager, Urban Grid Expansion
"We needed a high-capacity, customizable transformer for a new substation in a mixed-use urban zone. We opted for the Advanced Model with a 20kV input and 415V output. Installed in November 2024, it’s now been running for 8 months with zero downtime. The vertical cooling fins are especially effective in our compact installation space. CE certification gave us a smooth compliance approval. A solid, future-ready investment."

Purchase Date: November 2024 | Usage Period: 8 months

🏗️ Commercial Infrastructure Contractor Reviews

⭐⭐⭐⭐☆ David Lin - Electrical Contractor, Commercial Complex Development
"Used the Base Model across two mid-sized commercial buildings. Delivery took a bit longer due to customization for 11kV/380V output, but the wait was worth it. After 4 months of operation, all units are stable and running within thermal limits. The toroidal design saved space in our electrical room, and the oil cooling system requires less maintenance than expected. Only reason for 4 stars is the weight—handling and rigging required extra planning."

Purchase Date: April 2025 | Usage Period: 4 months

🔌 Rural Energy Deployment Reviews

⭐⭐⭐⭐⭐ Fatima Nkosi - Energy Access Initiative, Rural Electrification Project
"Deployed three of these transformers in remote areas of South Africa starting in January 2025. The multi-voltage adaptability allowed us to standardize equipment across varying grid conditions. Even in high-temperature environments, the heat dissipation has been excellent. The sealed construction has protected against dust and moisture—critical in off-grid locations. This transformer is a game-changer for reliable rural power distribution."

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 Prescott - Senior Power Systems Engineer, IEEE Fellow
"The S11 toroidal design combined with advanced oil cooling and high-grade insulation makes this transformer a standout in medium-to-high capacity distribution applications. Its ability to handle 2500 Kva with stable thermal performance under fluctuating loads is impressive. I recommend the Pro Model for critical infrastructure where cooling efficiency and safety margins are non-negotiable."

Energy Infrastructure Consultant Recommendation

Maria Thompson - Energy Consultant, Smart Grid Solutions Inc.
"After evaluating over a dozen transformers for municipal projects, this model consistently ranks at the top for durability, customization, and compliance. The CE certification and sealed oil system reduce long-term operational risks. For any project requiring reliable 11kV-to-415V transformation, this is now my go-to specification."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliability Under Pressure" - Viktor Ivanov (Steel Mill Operations)

Posted: 2 days ago

"Installed in a high-load industrial environment. After 7 months, no insulation degradation or overheating. The cooling fins work exactly as advertised. Built like a tank."

⭐⭐⭐⭐⭐ "Seamless Integration" - Naomi Patel (Data Center Infrastructure)

Posted: 1 week ago

"Integrated into our backup power system. Quiet operation, stable output, and excellent build quality. Custom voltage setup was handled perfectly by the supplier."

⭐⭐⭐⭐☆ "Great Performance, Heavy Lifting Required" - Carlos Mendez (Construction Electrical Lead)

Posted: 3 weeks ago

"Performs excellently, but plan your installation carefully—the unit is heavy and needs proper lifting equipment. Otherwise, no complaints."

🎯 Reviews by Use Case Category

🏭 Industrial Power Distribution (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Cooling efficiency under load (95% mentioned)
  • Durability in harsh environments (90% mentioned)
  • CE safety certification (88% mentioned)

🏙️ Commercial & Urban Infrastructure (29 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Voltage versatility (93% mentioned)
  • Compact toroidal design (82% mentioned)
  • Low maintenance oil system (79% mentioned)

🌍 Rural & Off-Grid Deployment (22 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • Sealed construction (100% mentioned)
  • Adaptability to variable input voltages (96% mentioned)
  • Resistance to environmental stress (94% mentioned)

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