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  • AC Step up and Down Voltage Transformer 220 to 110 Electric Power Transformer
  • AC Step up and Down Voltage Transformer 220 to 110 Electric Power Transformer
  • AC Step up and Down Voltage Transformer 220 to 110 Electric Power Transformer
  • AC Step up and Down Voltage Transformer 220 to 110 Electric Power Transformer
  • AC Step up and Down Voltage Transformer 220 to 110 Electric Power Transformer
  • AC Step up and Down Voltage Transformer 220 to 110 Electric Power Transformer
AC Step up and Down Voltage Transformer 220 to 110 Electric Power Transformer
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AC Step up and Down Voltage Transformer 220 to 110 Electric Power Transformer

  • 1 - 499 Pieces
    $21.90
  • >= 500 Pieces
    $12.50

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
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AC Step up and Down Voltage Transformer 220 to 110 Electric Power Transformer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Conversion: Step-up/step-down transformer capable of converting between 110V and 220V, enabling seamless use of appliances across different voltage standards.
  • Autotransformer Design: Utilizes aluminum coils for efficient power transfer and lightweight construction, ideal for both domestic and international applications.

Key features

  • 1. Durable Aluminum Construction for Reliable Performance

    • With an aluminum alloy body and EI core design, the Ruikang ST-500VA ensures corrosion resistance and efficient power conversion, outperforming models with heavier or less durable materials*.

  • 2. User-Friendly Interactive Design for Seamless Operation

    • With dual sockets and an intuitive on/off switch, power multiple devices simultaneously while maintaining easy control, unlike single-socket converters that limit versatility*.

  • 3. Versatile 500VA Capacity for Global Use

    • With a 500VA output and 110V-220V conversion range, handle high-power appliances and adapt to international voltage standards, offering 30% more capacity than compact travel converters*.

  • 4. Compact Portability for Travel and Commercial Use

    • With a lightweight, compact design, effortlessly travel internationally or use in spaces-constrained environments—up to 20% smaller than traditional transformers*.

  • 5. CE-Certified Safety and Compliance

    • With CE certification, ensure compliance with international electrical safety standards, providing peace of mind compared to uncertified alternatives*.

Product details

AC Step up and Down Voltage Transformer 220 to 110 Electric Power Transformer

The Ruikang ST-500VA step-up and step-down transformer is a compact, CE-certified device designed for efficient voltage conversion between 110V and 220V. Built with aluminum coils and an EI core structure, it ensures reliable performance in single-phase applications. Its lightweight, durable design and dual sockets make it ideal for international travel, industrial use, or powering appliances in regions with varying voltage standards.

Technical specifications

FeatureSpecificationBenefit
Coil TypeAutotransformer (EI Core)Efficient voltage conversion with minimal energy loss
MaterialAluminum (coils and housing)Lightweight, heat-resistant, and corrosion-free
CertificationCEMeets EU safety and electromagnetic compatibility standards
PhaseSingle PhaseSuitable for household appliances and portable devices
Voltage Range110V to 220VVersatile for international power requirements
Output Power500VASupports moderate loads like laptops, TVs, and small appliances

Customization guide

Adjustable voltage output settings and customizable power ratings can be tailored to meet specific regional requirements or specialized equipment needs.

Get inspired

Whether traveling abroad or managing industrial equipment, the ST-500VA ensures seamless power compatibility. Safely power multiple devices simultaneously with its dual sockets, or integrate it into systems requiring reliable voltage adjustment.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Output Power500VA650VA (+30%)750VA (+50%)
Efficiency90%95% (+5%)98% (+8%)
Weight2.5kg2.2kg (-12%)2.0kg (-20%)
CertificationsCECE + RoHSCE + RoHS + UL

Supplier's note

  1. Technical Breakthroughs:

    • Autotransformer Design: Reduces energy loss by 20% compared to traditional dual-winding transformers.
    • Aluminum Coils: 30% lighter than copper alternatives, enhancing portability without compromising heat dissipation.
    • EI Core Structure: Achieves 98% magnetic efficiency, minimizing power waste.

  2. Version Selection Guide:

    • Base Model: Ideal for travelers needing basic voltage conversion (e.g., powering laptops in Europe from US outlets).
    • Advanced Model: Suitable for frequent users requiring higher efficiency (e.g., powering workshop tools in mixed-voltage environments).
    • Pro Model: Designed for industrial applications demanding high power and certifications (e.g., medical equipment in global facilities).

With its autotransformer design, you can achieve efficient voltage conversion with minimal energy loss. The Pro version’s UL certification ensures compliance with stringent safety standards, enabling use in critical infrastructure. Pair its lightweight aluminum build with the dual-socket design to streamline multi-device setups.

Frequently asked questions

  • Which Ruikang transformer is best for international travel with 110V to 220V conversion needs?

  • How do I maintain and clean the Ruikang ST-500VA transformer’s frothing nozzle?

  • Aluminum vs. Copper windings: Which is better for power transformers like the ST-500VA?

  • Can the Ruikang ST-500VA power multiple devices simultaneously?

  • Is the Ruikang ST-500VA CE-certified for safety?

  • What’s the difference between an autotransformer and a regular transformer?

  • Is the ST-500VA suitable for small businesses needing voltage conversion?

  • How does the compact design of the ST-500VA benefit users?

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