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  • 300VA/1KVA 3-Phase Control Transformer 480/220/36 220V to 380V 440V Copper Aluminum Material for Electronic Usage 50Hz Frequency
  • 300VA/1KVA 3-Phase Control Transformer 480/220/36 220V to 380V 440V Copper Aluminum Material for Electronic Usage 50Hz Frequency
  • 300VA/1KVA 3-Phase Control Transformer 480/220/36 220V to 380V 440V Copper Aluminum Material for Electronic Usage 50Hz Frequency
  • 300VA/1KVA 3-Phase Control Transformer 480/220/36 220V to 380V 440V Copper Aluminum Material for Electronic Usage 50Hz Frequency
  • 300VA/1KVA 3-Phase Control Transformer 480/220/36 220V to 380V 440V Copper Aluminum Material for Electronic Usage 50Hz Frequency
  • 300VA/1KVA 3-Phase Control Transformer 480/220/36 220V to 380V 440V Copper Aluminum Material for Electronic Usage 50Hz Frequency
300VA/1KVA 3-Phase Control Transformer 480/220/36 220V to 380V 440V Copper Aluminum Material for Electronic Usage 50Hz Frequency

300VA/1KVA 3-Phase Control Transformer 480/220/36 220V to 380V 440V Copper Aluminum Material for Electronic Usage 50Hz Frequency

$19.90-$999.00/ Set|1 Set/Sets(Min. Order)

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300VA/1KVA 3-Phase Control Transformer 480/220/36 220V to 380V 440V Copper Aluminum Material for Electronic Usage 50Hz Frequency

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Conversion & Isolation: Enables precise voltage transformation between 220V to 380V/440V and 480V outputs, supporting 3-phase control for electronic devices and industrial systems.
  • Power Distribution: Designed as an isolation transformer to ensure electrical safety while delivering stable power for instrumentation, machinery, and industrial applications.

Key features

  • 1. Advanced Material Technology

  • With copper and aluminum toroidal coils combined with resin insulation, you can achieve superior thermal conductivity and durability compared to traditional iron-core models*. The corrosion-resistant metallic enclosure further ensures long-term reliability in harsh industrial environments.

  • 2. Interactive Phase-Optimized Design

  • With clearly labeled phase terminals (A/B/C) and modular design, you can ensure precise wiring and adapt to varying power configurations quickly*. The terminal blocks simplify installation while reducing connection errors.

  • 3. Versatile Performance Parameters

  • With a wide voltage range (480V/220V/36V to 220V-440V) and 50/60Hz compatibility, you can seamlessly integrate into diverse industrial and commercial systems compared to single-voltage models*. The 300VA–300KVA capacity range accommodates both small electronics and large-scale applications.

  • 4. Safe Dry-Type Scenario Solutions

  • As a dry-type transformer with compact design, you can safely operate in oil-sensitive environments like commercial buildings or residential areas without fire risks*. The absence of flammable oil eliminates leakage hazards common in traditional oil-filled models.

  • 5. Certified Eco-Friendly Standards

  • With CE certification and eco-friendly dry-type construction, you can meet global safety standards while avoiding oil-based environmental hazards*. The resin-coated coils and metal housing also reduce electromagnetic interference.

Product details

300VA/1KVA 3-Phase Control Transformer 480/220/36 220V to 380V 440V Copper Aluminum Material for Electronic Usage 50Hz Frequency

The 300VA/1KVA 3-Phase Control Transformer is a versatile dry-type transformer designed for industrial, electronic, and power supply applications. Built with copper and aluminum windings, it offers high efficiency and reliability. Its dry-type construction ensures safety in oil-free environments, while its modular design allows customization for varying power needs.


Technical specifications

FeatureSpecificationApplication Scenario
Dry-Type ConstructionAir-cooled, no oil, resin-insulated coilsSafe use in commercial/residential spaces
MaterialCopper/Aluminum windings, metallic enclosureHigh-current industrial equipment
Toroidal Coil StructureCompact, low-loss designSpace-constrained installations
Isolation TransformerFull electrical isolation between primary/secondary circuitsInstrumentation and control systems
CertificationCE-compliantGlobal industrial applications
Voltage RangeInput: 110V–480V; Output: 110V–440V (adjustable)Multi-voltage environments
Frequency Support50Hz/60HzGlobal power grid compatibility

Customization guide

Adjustable parameters:

  • Voltage Output: Customize voltage ratios (e.g., 480V to 220V) to match specific load requirements.
  • Capacity: Scale from 10kVA (Base) to 300kVA (Pro) for varying power demands.
  • Phase Configuration: Optimize phase connections (A/B/C) for balanced load distribution.

Get inspired

With its dry-type design and toroidal coils, this transformer ensures energy efficiency and safety in diverse settings—from industrial machinery to electronic control systems. Its modular build allows seamless integration into existing infrastructure, while CE certification guarantees compliance with global standards.


Choose your model

ParameterBase Model (10kVA)Advanced Model (50kVA)Pro Model (300kVA)
Rated Capacity10kVA50kVA300kVA
Efficiency90%+15% (98%)+30% (99.5%)
Voltage Range220V–440V110V–480V110V–480V
Frequency Stability±2%±1%±0.5%

Supplier's note

  1. Three Technical Breakthroughs:

    • Dry-Type Safety: Eliminates oil risks, ideal for fire-sensitive environments.
    • Toroidal Coils: Reduce energy loss by 20% compared to traditional designs.
    • Modular Scalability: Enables quick capacity upgrades without full system replacement.
  2. Optimal Version Selection:

    • Base Model (10kVA): Best for small workshops or residential HVAC systems needing 220V–440V conversions.
    • Advanced Model (50kVA): Suitable for medium-scale factories requiring 110V–480V flexibility and ±1% frequency stability.
    • Pro Model (300kVA): Designed for large industrial plants with high-capacity demands (e.g., 440V motor drives) and ultra-low energy loss (99.5% efficiency).

With the Pro’s 99.5% efficiency, you can reduce operational costs by 30% compared to traditional oil-filled transformers. Pair its 300kVA capacity with the toroidal design to ensure minimal space占用 and maximum power density.

Frequently asked questions

  • Which 3-phase control transformer suits small industrial setups with limited space?

  • How do I maintain the terminal blocks on a copper-aluminum 3-phase transformer?

  • Copper vs Aluminum windings: Which is better for industrial power supplies?

  • Can this 480/220/36V transformer be customized for specific output voltages?

  • Is the resin-insulated coil of this transformer CE-certified for safety?

  • What advantages does a dry-type transformer offer over oil-filled models for electronic usage?

  • How does this 50Hz transformer handle 60Hz frequency applications?

  • What safety features make this isolation transformer suitable for instrument transformers?

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