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  • Ac Voltage Step Down Converter Step up Transformer 220v to 110v Home 100v to 220v Step Down Transformer
  • Ac Voltage Step Down Converter Step up Transformer 220v to 110v Home 100v to 220v Step Down Transformer
  • Ac Voltage Step Down Converter Step up Transformer 220v to 110v Home 100v to 220v Step Down Transformer
  • Ac Voltage Step Down Converter Step up Transformer 220v to 110v Home 100v to 220v Step Down Transformer
  • Ac Voltage Step Down Converter Step up Transformer 220v to 110v Home 100v to 220v Step Down Transformer
  • Ac Voltage Step Down Converter Step up Transformer 220v to 110v Home 100v to 220v Step Down Transformer
Ac Voltage Step Down Converter Step up Transformer 220v to 110v Home 100v to 220v Step Down Transformer
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Ac Voltage Step Down Converter Step up Transformer 220v to 110v Home 100v to 220v Step Down Transformer

  • 1 - 499 Pieces
    $49.90
  • >= 500 Pieces
    $19.90

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
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Ac Voltage Step Down Converter Step up Transformer 220v to 110v Home 100v to 220v Step Down Transformer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Conversion: Step-up/step-down transformer capable of converting between 110V/100V and 220V, ensuring compatibility with global electrical standards.
  • Dual-Mode Operation: Supports both autotransformer (cost-effective) and isolation transformer (safety-focused) configurations for flexible power adaptation.

Key features

  • 1. Durable Material Construction

    • With a sturdy metal casing and aluminum winding material, you can ensure long-lasting durability and efficient power conversion, outperforming plastic-bodied models*.

  • 2. Versatile Voltage Conversion

    • With step-up/step-down capabilities (100V/110V to 220V), you can adapt to global voltage standards, making it ideal for international travel or commercial use*.

  • 3. High-Power Reliability

    • With a 1000VA power capacity, you can safely power multiple appliances simultaneously, exceeding the limits of standard 500VA converters*.

  • 4. User-Friendly Design

    • With an illuminated power switch and intuitive front-panel controls, you can operate the transformer effortlessly in low-light environments*.

  • 5. Enhanced Safety Features

    • With built-in overvoltage and overcurrent protection, you can safeguard connected devices against electrical surges, surpassing basic transformer models*.

Product details

Ac Voltage Step Down Converter Step up Transformer 220v to 110v Home 100v to 220v Step Down Transformer

The Ac Voltage Step Down Converter Step Up Transformer 220V to 110V Home 100V to 220V Step Down Transformer is a versatile power conversion solution designed for international travel, home use, and industrial applications. Built with an aluminum-wound EI core and durable steel casing, it efficiently converts voltages between 100V/110V and 220V while ensuring safety through isolation and autotransformer technologies.

Technical specifications

FeatureSpecificationBenefit
Material & DesignSteel casing, aluminum winding, plastic componentsDurable, lightweight, and portable design
Coil StructureEI core designHigh efficiency and stable voltage output
Voltage ConversionInput: 220V/110V/100V; Output: 110V/220VFlexible step-up/down for global compatibility
TypeIsolation & AutotransformerSafe isolation for sensitive devices + energy efficiency
Power Capacity1000VA (ST-1000VA model)Supports medium to high-power appliances
Safety FeaturesOvervoltage/overcurrent protectionPrevents damage to connected devices

Customization guide

Adjustable voltage settings allow users to switch between step-up (110V→220V) and step-down (220V→110V) modes to meet specific device requirements. The isolation feature can be prioritized for sensitive electronics, while autotransformer mode optimizes energy efficiency for general use.

Get inspired

Whether traveling abroad or setting up a workshop, this transformer ensures your devices work seamlessly across different voltage systems. Its compact design and safety features make it ideal for powering laptops, appliances, or tools in diverse environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Capacity1000VA1150VA (+15%)1300VA (+30%)
Efficiency92%95% (+3%)98% (+6%)
Protection LevelBasicEnhanced (IP20)Premium (IP44)
Weight5.2 kg4.8 kg (-8%)4.5 kg (-14%)

Supplier's note

  1. Three Technical Breakthroughs:

    • EI Core Design: Achieves 98% efficiency in the Pro Model, reducing energy loss by 20% compared to traditional transformers.
    • Dual Conversion Modes: Combines isolation (for safety) and autotransformer (for efficiency) in one unit, eliminating the need for separate devices.
    • Lightweight Construction: Aluminum winding reduces weight by 14% in the Pro Model, enhancing portability without compromising durability.

  2. Optimal Version Selection:

    • Base Model: Ideal for travelers or home users needing basic voltage conversion (e.g., powering laptops or small appliances).
    • Advanced Model: Suitable for workshops or frequent travelers requiring enhanced protection (IP20) and 15% higher power capacity.
    • Pro Model: Best for professionals handling heavy-duty equipment (e.g., power tools) or requiring premium IP44 protection for outdoor use.

With its isolation transformer technology, you can safely power sensitive electronics like medical devices. With the Pro Model’s 1300VA capacity, you can simultaneously run multiple appliances without voltage fluctuations.

Frequently asked questions

  • Which step-up/down transformer suits international travelers needing 110V to 220V conversion?

  • How to maintain the metal casing of the ST-1000VA transformer?

  • Aluminum coils vs copper in isolation transformers: Which is better?

  • Can the ST-1000VA transformer be customized for specific voltage needs?

  • Is the ST-1000VA transformer UL/FDA approved for safety?

  • What's the difference between isolation and auto transformers for voltage conversion?

  • Is the ST-1000VA suitable for home use or commercial applications?

  • How does the ST-1000VA ensure safety during voltage conversion?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Voltage Conversion RangeInternational travel, global appliance useIndustry: 110V-240V (IEC 60038)
Base: 100V-240V (IEC 60038) ▲
Advanced: 90V-260V (IEC 60038) ▲▲		Advanced supports extreme voltages (e.g., 90V in some regions), enabling broader compatibility.Higher cost for Advanced models; may require configuration for optimal use.
Transformer TypeHigh-power appliances, sensitive electronicsIndustry: Autotransformer (IEC 61869-1)
Base: Autotransformer ▲
Advanced: Isolation + Autotransformer (IEC 61869-1) ▲▲		Advanced ensures galvanic isolation for safety in medical/industrial settings.Advanced models may have slightly lower efficiency due to dual design.
Material QualityHarsh environments (e.g., factories)Industry: Steel casing (ASTM A36)
Base: Aluminum core (2.7g/cm³) + Plastic casing (UL94 V-0) ▲
Advanced: Aluminum + Reinforced Plastic (UL94 HB) ▲▲		Advanced reduces weight by 20% while maintaining durability (e.g., IP20 rating).Plastic casing may degrade faster in extreme temperatures.
Coil StructureHigh-frequency applications (e.g., servers)Industry: Toroidal (ISO 10005)
Base: EI Core (ISO 10005) ▲
Advanced: EI with Copper Winding (IEC 60045) ▲▲		Advanced reduces energy loss by 15% (lower eddy current) via copper winding.Copper increases cost by ~30% compared to base models.
Safety FeaturesIndustrial use, critical equipmentIndustry: Basic Overcurrent (IEC 60950-1)
Base: Overvoltage + Overcurrent ▲
Advanced: Short-Circuit + Surge Protection (IEC 61000-4-5) ▲▲		Advanced prevents equipment damage during power surges (e.g., lightning).Advanced requires professional installation for full functionality.
PortabilityField operations, temporary setupsIndustry: 8kg (ISO 780)
Base: 5kg (ISO 780) ▲
Advanced: 4kg + Integrated Handle (ISO 780) ▲▲		Advanced is 50% lighter than industry standard, ideal for mobile use.Reduced thermal dissipation in Advanced due to compact design.

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