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  • Single Phase 220V Auto Transformer 3V 12V 200A Variac Power Transformer with 50Hz Frequency Output Voltage 36V 48V 24V
  • Single Phase 220V Auto Transformer 3V 12V 200A Variac Power Transformer with 50Hz Frequency Output Voltage 36V 48V 24V
  • Single Phase 220V Auto Transformer 3V 12V 200A Variac Power Transformer with 50Hz Frequency Output Voltage 36V 48V 24V
  • Single Phase 220V Auto Transformer 3V 12V 200A Variac Power Transformer with 50Hz Frequency Output Voltage 36V 48V 24V
  • Single Phase 220V Auto Transformer 3V 12V 200A Variac Power Transformer with 50Hz Frequency Output Voltage 36V 48V 24V
  • Single Phase 220V Auto Transformer 3V 12V 200A Variac Power Transformer with 50Hz Frequency Output Voltage 36V 48V 24V
Single Phase 220V Auto Transformer 3V 12V 200A Variac Power Transformer with 50Hz Frequency Output Voltage 36V 48V 24V
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Single Phase 220V Auto Transformer 3V 12V 200A Variac Power Transformer with 50Hz Frequency Output Voltage 36V 48V 24V

  • 500 - 999 Pieces
    $29
  • 1000 - 2999 Pieces
    $28.50
  • >= 3000 Pieces
    $28.30

Customization:

Customized logo （Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
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Single Phase 220V Auto Transformer 3V 12V 200A Variac Power Transformer with 50Hz Frequency Output Voltage 36V 48V 24V

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Regulation: Designed to adjust and stabilize alternating current (AC) voltage levels, supporting outputs of 3V, 12V, 24V, 36V, 48V, and 220V. Ideal for applications requiring precise voltage control, such as powering sensitive electronics or industrial equipment.
  • Power Distribution: Functions as an autotransformer to efficiently transfer electrical energy between circuits while modifying voltage levels, making it suitable for single-phase systems in both commercial and home use.

Key features

  • 1. Material Technology

    • With a silicon steel core and copper windings coated in corrosion-resistant resin, achieve high energy efficiency and durability in harsh environments. The resin coating ensures protection against moisture and dust, outperforming aluminum-based transformers in longevity*.

  • 2. Interactive Design

    • With an autotransformer design, adjust output voltage seamlessly between 3V–220V for precise power control in applications like industrial testing or electronic equipment calibration. The multi-voltage capability eliminates the need for multiple transformers*.

  • 3. Performance Parameters

    • Supporting 200A output current and 50/60Hz compatibility, this transformer handles heavy-duty loads more effectively than standard distribution transformers, ideal for commercial and industrial power supply needs*.

  • 4. Scenario Solutions

    • Engineered for diverse applications, this transformer quickly adapts to output voltages like 24V, 36V, or 48V, making it versatile for automotive testing, lighting systems, or electronic manufacturing setups. Its compact metal housing enables easy installation in space-constrained environments*.

  • 5. Certification Standards

    • Certified to UL and EPR (Germany) safety standards, ensuring compliance with global industrial and environmental regulations. This guarantees reliable, eco-friendly operation compared to non-certified alternatives*.

  • Notes:

    • Core selling points were derived from material specifications (e.g., silicon steel, resin coating), design features (autotransformer flexibility), performance metrics (current/voltage capabilities), use cases (industrial vs. commercial), and certifications.

Product details

Single Phase 220V Auto Transformer 3V 12V 200A Variac Power Transformer with 50Hz Frequency Output Voltage 36V 48V 24V

The Single Phase 220V Auto Transformer is a versatile power solution designed for industrial, electronic, and power supply applications. Built with silicon steel sheet cores and copper/aluminum windings, it delivers stable voltage outputs (3V, 12V, 24V, 36V, 48V) at 50/60Hz frequencies. Its compact metal housing ensures durability, while certifications like UL and EPR_Germany_Packing guarantee safety and compliance.

Technical specifications

FeatureSpecificationBenefit
MaterialSilicon steel sheet, copper, aluminumHigh thermal conductivity and durability
Coil NumberAutotransformerCompact design with efficient voltage regulation
Frequency50Hz/60HzCompatibility with global power systems
Input Voltage220V, 240V, 120V, 110VFlexible input for diverse applications
Output Voltage220V, 12V, 110V, 48V, 24V, 36VAdjustable output for precise power needs
PhaseSingle phaseSpace-saving design for limited spaces
ShapeCoil, rectangle, flatEasy integration into electrical systems
TypeAuto/distribution/power transformerVersatile for industrial and electronic uses

Customization guide

Adjustable voltage/current ratings via coil winding turns and wire size to meet specific power demands. Input/output connections can be tailored for single-phase or three-phase systems, enabling seamless integration into custom electrical setups.

Get inspired

With its UL and EPR certifications, this transformer ensures compliance with global safety standards. Its compact design and customizable voltage outputs make it ideal for applications ranging from industrial machinery to electronic testing setups.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Current Capacity200A+15% (230A)+30% (260A)
Efficiency90%92%95%
WeightStandard-10%-20%
CertificationsULUL + EPRUL + EPR + ISO

Supplier's note

  1. Technical Breakthroughs:

    • Autotransformer Design: Enables compact size and higher efficiency compared to traditional transformers.
    • Dual Certifications (UL + EPR): Ensures compliance with stringent international safety standards.
    • Customizable Windings: Allows precise voltage adjustments to match specific industrial or electronic requirements.

  2. Version Selection Guide:

    • Base Model: Ideal for standard industrial applications requiring 200A capacity.
    • Advanced Model: Suitable for high-current scenarios (e.g., heavy machinery) with 230A and 92% efficiency.
    • Pro Model: Best for premium applications needing 260A capacity, 95% efficiency, and ISO certification for regulated industries.

With its UL certification, the Base Model ensures safety in basic power systems. The Pro Model’s ISO compliance and reduced weight make it ideal for portable or space-constrained environments. Pair its high efficiency with customizable outputs to optimize energy usage in demanding setups.

Frequently asked questions

  • Which single phase auto transformer is best for adjustable voltage applications like 24V to 48V?

  • How do I maintain a 50Hz variac transformer with resin insulation?

  • Copper vs aluminum windings: Which is better for high-current 200A transformers?

  • Can this auto transformer be customized for 110V input in North America?

  • Is the silicon steel core transformer safe for medical equipment power supplies?

  • What makes this 220V variac suitable for compact industrial setups?

  • Does the 50Hz transformer work with 60Hz electrical grids?

  • Can this transformer handle both single-phase and three-phase systems?

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