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  • STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer
  • STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer
  • STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer
  • STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer
  • STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer
  • STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer
STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer

STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer

  • 1 - 9 Units
    $44
  • 10 - 99 Units
    $40
  • >= 100 Units
    $38

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
View product details

STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Stabilization: Automatically regulates input voltage fluctuations to deliver a stable 220V AC output, ensuring consistent power supply for sensitive electronics and appliances.
  • Efficient Power Conversion: Utilizes a toroidal autotransformer design for high efficiency, minimal energy loss, and reduced noise, ideal for single-phase AC applications.

Key features

  • 1. Durable Metal Construction and Toroidal Coil Technology

    • With a corrosion-resistant metal body and advanced toroidal coil structure, ensure reliable operation and optimal heat dissipation even under heavy loads. ~20% more efficient than standard inverters [Disclaimer: Based on internal testing; actual results may vary].

  • 2. Multi-Device Power Support with Three Output Sockets

    • With three AC output sockets, power multiple appliances simultaneously without needing additional adapters. Support up to three devices at once, ideal for multi-tasking.

  • 3. 3000W Power Output for Heavy-Duty Applications

    • With a robust 3000W output and stable 220V AC, safely power heavy-duty appliances like refrigerators or power tools. Handles higher wattage demands compared to smaller inverters [Disclaimer: Performance may vary based on device load].

  • 4. Versatile Scenario Adaptability

    • With a portable design featuring a built-in handle and stable 220V output, seamlessly power appliances in both home and commercial settings. Ideal for diverse environments from camping to workshops.

  • 5. FCC and CE Certified for Safety and Reliability

    • With FCC and CE certifications, ensure compliance with international safety and performance standards. Meets rigorous global regulations for consumer protection.

Product details

STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer

The STG 3000Watt Single Phase AC Automatic Voltage Regulator Variac Transformer is a robust power solution designed for stable 220V AC output. Built with a toroidal autotransformer and metal construction, it ensures efficient energy conversion, heat dissipation, and portability. With certifications like FCC and CE, it guarantees safety and compliance for electronic devices in residential, commercial, or outdoor applications.

Technical specifications

FeatureSpecificationBenefit
TypeAuto TransformerEfficient power conversion with fewer components.
Coil StructureToroidalReduces energy loss by 20% vs. conventional designs.
CertificationsFCC, CEEnsures global safety and regulatory compliance.
Frequency50HzCompatible with standard household appliances.
Input/Output Voltage220V ACDirect compatibility with common power sources.
PhaseSingle PhaseIdeal for residential and light commercial use.
Power Capacity3000WSupports multiple high-power devices simultaneously.

Customization guide

While the base model offers standard voltage regulation, customization options such as adjustable output voltage ranges or enhanced protection features can be tailored to meet specialized needs like industrial equipment compatibility or extreme environmental conditions.

Get inspired

Whether you’re setting up a backup power system for home appliances, powering tools at a workshop, or running electronics during outdoor events, the STG 3000W provides reliable, stable AC power. Its lightweight design and built-in safety features make it a versatile choice for any scenario requiring uninterrupted power.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Capacity2500W3000W3500W (+40% vs. Base)
Efficiency90%95% (+5%)98% (+8%)
ProtectionBasicOverload/ShortAll + Surge Protection
Weight15kg18kg22kg

Supplier's note

  1. Toroidal Coil Efficiency: The advanced toroidal design reduces energy loss by 20% compared to traditional transformers, enabling cooler operation and lower energy bills.
  2. Triple Safety Compliance: FCC/CE certifications combined with automatic voltage regulation (±2% stability) protect devices from fluctuations, ideal for sensitive electronics.
  3. Scalable Power Solutions: The Pro model’s 3500W capacity and surge protection handles heavy-duty loads, while the Base Model suits basic home or office needs.

When selecting a model:

  • Base Model: Perfect for small workshops or homes needing up to 2500W.
  • Advanced Model: Balances power (3000W) and efficiency for mid-sized applications.
  • Pro Model: Industrial-grade performance with 3500W and surge protection for critical equipment.

With the Pro’s tripled surge protection, you can safely power machinery in harsh environments, while the toroidal coil ensures 20% lower energy waste than conventional models. Pair its high capacity with 98% efficiency for unmatched reliability.

Frequently asked questions

  • Which power inverter model suits home use during power outages?

  • How do I maintain the STG 3000Watt inverter for longevity?

  • Is the STG 3000Watt transformer FCC/CE certified for safety?

  • Can the STG 3000Watt inverter handle power surges?

  • What’s the advantage of a toroidal coil in the STG 3000Watt transformer?

  • Is the STG 3000Watt inverter portable for outdoor use?

  • Does the STG 3000Watt support multiple devices simultaneously?

  • Can I adjust the output voltage of the STG 3000Watt inverter?

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.