All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Electrical Equipment & Supplies
Industrial Controls
Control Transformers
  • 3 Phase 400v to 230v Step Down Voltage Transformer 20KVA
  • 3 Phase 400v to 230v Step Down Voltage Transformer 20KVA
  • 3 Phase 400v to 230v Step Down Voltage Transformer 20KVA
  • 3 Phase 400v to 230v Step Down Voltage Transformer 20KVA
  • 3 Phase 400v to 230v Step Down Voltage Transformer 20KVA
  • 3 Phase 400v to 230v Step Down Voltage Transformer 20KVA
3 Phase 400v to 230v Step Down Voltage Transformer 20KVA

3 Phase 400v to 230v Step Down Voltage Transformer 20KVA

$190.00-$331.00/ Set|1 Set/Sets(Min. Order)
View product details

3 Phase 400v to 230v Step Down Voltage Transformer 20KVA

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Conversion: Efficiently steps down 400V input to 230V output while supporting both single and three-phase configurations, ideal for powering diverse electrical systems.
  • Power Handling: Delivers a rated capacity of 20KVA with high reliability, leveraging copper and aluminum windings for optimal thermal and electrical performance.
  • Transformer Types: Offers dual functionality as an isolation transformer (for safety-critical applications) and autotransformer (for cost-effective voltage adjustment).

Key features

  • 1. Material Technology

    • With a corrosion-resistant metal cabinet and high-conductivity copper/aluminum coils, ensure durability and efficient power transfer in harsh industrial environments. Outperforms plastic-encased models in heat resistance and longevity

  • 2. Performance Parameters

    • With 20KVA capacity and 50/60Hz compatibility, handle high-power demands seamlessly in both industrial and commercial settings. Supports up to 20% higher load capacity than standard 15KVA models

  • 3. Certification Standards

    • With CE and RoHS certifications, meet global safety and environmental standards for reliable use in EU and other regulated markets.

  • 4. Scenario Solutions

    • With casters and rugged construction, easily relocate the transformer between sites for flexible deployment in construction, manufacturing, or emergency power setups. Mobility enhances adaptability compared to stationary units

  • 5. Interactive Design

    • With auto/isolation transformer configuration options, adapt to both voltage conversion and safety isolation needs in diverse applications. Flexible configuration surpasses single-function transformers

Product details

3 Phase 400v to 230v Step Down Voltage Transformer 20KVA

The 3 Phase 400V to 230V Step Down Voltage Transformer 20KVA is a robust power conversion solution designed for industrial and electronic applications. Built with durable copper and aluminum windings, it offers reliable voltage transformation while meeting global safety standards (CE, RoHS). Its EI core structure ensures efficient energy transfer, and the lockable metal cabinet with casters provides secure, mobile deployment in harsh environments.

Technical specifications

FeatureSpecificationApplication Scenario
Voltage Transformation400V (3 Phase) to 230V (Single/3 Phase)Powering single-phase machinery from 3-phase grids
Capacity20KVAMedium-to-large industrial equipment
Coil TypeEI Core StructureStable power delivery under fluctuating loads
MaterialCopper Primary, Aluminum SecondaryCost-effective thermal management in high-current setups
Frequency Compatibility50Hz/60HzGlobal deployment across regional power grids
Phase Configuration3 Phase Input, Configurable OutputFlexible integration into mixed-phase systems
CertificationsCE, RoHSCompliance for EU and international markets
Transformer TypeAuto/Isolation TransformerSafety-critical or efficiency-focused systems

Customization guide

Adjustable coil material and configuration to meet specific voltage, current, or isolation requirements. Opt for copper windings for high-efficiency applications or aluminum for cost-sensitive deployments.

Get inspired

Ideal for manufacturing facilities, construction sites, and data centers requiring reliable voltage reduction. With its 20KVA capacity, it powers heavy machinery, lighting systems, and electronic equipment without overloading.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Efficiency92%+15% (99.8%)+30% (98.5%)*
Thermal PerformanceStandard CoolingEnhanced CoolingPremium Cooling
Input Voltage Range400V Fixed380–440V350–450V

Supplier's note

  1. Technical Breakthroughs:

    • EI Core Design: Reduces energy loss by 20% compared to traditional cores, ensuring stable power under variable loads.
    • Wider Input Voltage Range (Pro Model): Handles fluctuations up to ±12.5%, critical for unstable grid environments.
    • Isolation Transformer Option: Achieves 1000V insulation, safeguarding sensitive equipment from ground faults.

  2. Version Selection Guidance:

    • Base Model: Best for standard 400V grids with stable input.
    • Advanced Model: Ideal for regions with voltage fluctuations (e.g., construction sites) needing +15% efficiency gains.
    • Pro Model: Prioritize for high-reliability applications (e.g., data centers) requiring ±12.5% input tolerance and premium cooling.

*Pro Model efficiency gains reflect optimized winding configurations compared to traditional EI cores.

Frequently asked questions

  • Which model of 3-phase voltage transformer is best for industrial environments requiring 20KVA capacity?

  • How do I maintain the ventilation system of a 3-phase transformer with casters?

  • What are the advantages of copper vs. aluminum windings in a 20KVA isolation transformer?

  • Can this 3-phase transformer be customized for specific voltage requirements?

  • Is the 20KVA transformer CE/RoHS certified for industrial safety standards?

  • What’s the difference between auto and isolation transformer types for 3-phase systems?

  • How do I safely move a 20KVA transformer with casters between industrial sites?

  • Can this transformer handle high-frequency loads in electronic applications?

Related searches

super clean 2021 g m cdeodorant shampoo vn made emeron shampoodrum plastic bucket barrelsolar powered water heater eco-friendly watertoyota hilux revo g leather seatssoccer ball size 5 football socceronam saree saree abaya designs blackdriftwood aquarium decorative driftwood planter aquariumhalal food canned beef luncheon meatwall switch push button garage dormanicure scissors russian cuticle nail scissorssolar water heater renewable energyhow to clean and maintain sandstonehorse equipments horse saddle saddle padused tractors mini tractor agricultural machinery

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.