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  • 120KVA 3 Phase Isolation Transformer 380V 400V 415V 480V Step up Step Down Transformer for Solar System
  • 120KVA 3 Phase Isolation Transformer 380V 400V 415V 480V Step up Step Down Transformer for Solar System
  • 120KVA 3 Phase Isolation Transformer 380V 400V 415V 480V Step up Step Down Transformer for Solar System
  • 120KVA 3 Phase Isolation Transformer 380V 400V 415V 480V Step up Step Down Transformer for Solar System
  • 120KVA 3 Phase Isolation Transformer 380V 400V 415V 480V Step up Step Down Transformer for Solar System
  • 120KVA 3 Phase Isolation Transformer 380V 400V 415V 480V Step up Step Down Transformer for Solar System
120KVA 3 Phase Isolation Transformer 380V 400V 415V 480V Step up Step Down Transformer for Solar System

120KVA 3 Phase Isolation Transformer 380V 400V 415V 480V Step up Step Down Transformer for Solar System

$1620.00-$2395.00/ Piece|1 Piece/Pieces(Min. Order)

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120KVA 3 Phase Isolation Transformer 380V 400V 415V 480V Step up Step Down Transformer for Solar System

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Transformation: Capable of stepping up or down AC voltage between 380V, 400V, 415V, and 480V, enabling flexible power distribution in industrial and renewable energy systems.
  • Isolation & Safety: Designed as an isolation transformer to ensure electrical isolation between primary and secondary circuits, enhancing safety in high-power applications.
  • Solar System Compatibility: Optimized for integration into solar power setups, supporting clean energy distribution in residential and commercial grids.

Key features

  • 1. Durable Material Technology for Reliable Performance

    • With a corrosion-resistant steel frame and EI-laminated core construction, this transformer ensures long-term durability and efficient energy transfer. The insulated copper windings minimize energy loss, making it ideal for harsh industrial environments.

  • 2. User-Friendly Interactive Design

    • Color-coded terminal blocks (red, green, yellow, blue) simplify installation and maintenance, reducing wiring errors. The compact design and integrated mounting points enable easy integration into space-constrained setups.

  • 3. Versatile Voltage Handling for Industrial Applications

    • Supporting input/output voltages of 380V to 480V and operating as both an auto and isolation transformer, it delivers flexible power solutions for solar systems, industrial machinery, and commercial equipment.

  • 4. Dual-Functionality for Enhanced Safety and Efficiency

    • Combining the efficiency of an auto transformer with the electrical isolation of an isolation transformer, it outperforms single-type models in safety and energy optimization*.

  • 5. Compliance with Industrial Safety Standards

    • Built to meet global industrial safety and performance standards, ensuring reliable operation in critical applications* [*Disclaimer: Specific certifications depend on configuration and must be confirmed with the manufacturer].

Product details

120KVA 3 Phase Isolation Transformer 380V 400V 415V 480V Step up Step Down Transformer for Solar System

The 120KVA 3 Phase Isolation Transformer is a robust electrical solution designed for industrial power distribution and solar systems. Built with a steel frame and copper-wound EI cores, it ensures efficient voltage transformation (380V input to 480V/415V/400V output) while maintaining safety through insulated coils and color-coded terminals. Its compact design and customizable voltage configurations make it ideal for diverse applications.

Technical specifications

FeatureSpecificationBenefit
Coil TypeAuto Transformer & Isolation TransformerFlexible voltage adjustment and galvanic isolation
Coil StructureEI LaminationsHigh efficiency and low energy loss
Voltage RangeInput: 380V / Output: 480V/415V/400VVersatile for step-up/down applications
Phases3 PhaseStable power distribution for industrial use
Power Capacity120KVAHandles heavy-duty loads efficiently
Safety FeaturesInsulated terminals, IP23 protectionPrevents electrical shorts and dust ingress
Application ScenariosIndustrial power supplies, solar systemsReliable for renewable energy integration

Customization guide

Adjustable parameters include:

  • Voltage Configuration: Tailor input/output voltages (e.g., 480V output for high-power machinery).
  • Phase Balance: Optimize load distribution for three-phase systems.
  • Insulation Class: Upgrade to withstand extreme temperatures or corrosive environments.

Get inspired

With its compact design and dual transformer configurations, this unit is perfect for solar inverters requiring precise voltage regulation. The isolation feature ensures safe energy transfer in environments with electrical noise, while the EI core minimizes energy loss for long-term efficiency.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Efficiency95%+97% (+2% boost)+98% (+3% boost)*
Insulation ClassClass B (130°C)Class F (155°C)Class H (180°C)
Customization OptionsStandard voltagesAdjustable phasesFull voltage/phasing
Weight250 kg280 kg (+12%)320 kg (+28%)

Supplier's note

  1. Technical Breakthroughs:

    • EI Core Laminations: Reduces eddy current losses by 20% compared to traditional designs.
    • Dual Coil Configurations: Combines auto and isolation transformer features for hybrid applications.
    • Wide Voltage Range: Covers 380V to 480V, enabling compatibility with global power standards.

  2. Version Selection Guidance:

    • Base Model: Ideal for standard industrial loads (e.g., HVAC systems) where cost-efficiency is prioritized.
    • Advanced Model: Suitable for solar farms requiring phase balancing and higher thermal resistance (Class F).
    • Pro Model: Best for heavy-duty environments (e.g., mining equipment) needing Class H insulation and full customization.

With the Pro Model’s 180°C insulation, you can safely operate in harsh industrial settings. Its full voltage/phasing flexibility pairs with EI cores to deliver 98% efficiency—ensuring minimal downtime and energy waste.

Frequently asked questions

  • Which isolation transformer is best for 3-phase solar power systems?

  • What’s the difference between isolation and autotransformer types, and which suits industrial use?

  • How do I maintain a 3-phase isolation transformer for longevity?

  • Can this transformer be customized for specific voltage requirements?

  • Why are copper coils used instead of aluminum in this transformer?

  • Is the 120KVA transformer suitable for high-power industrial environments?

  • Does the transformer comply with international safety certifications?

  • What makes this transformer compact yet powerful?

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