What kind of plugs and sockets do you have?

220V to 110V (plug and socket illustration); 220V to 100V (illustration of plug and socket); 110V to 220V (plug and socket illustration);

If I don't use the voltage converter, can the 110V electrical appliances be plugged into the 220V socket?

No. 220V is a high voltage supply compared to 110V. Once turned on, it will quickly damage your appliances. It is recommended that you purchase a step-down power converter suitable for your own appliances to avoid damaging them. We recommend that you purchase a step-down power adapter that is suitable for your own appliances to avoid damage to your appliances.

If the input voltage is 220 volts/50 hertz, can it produce 110 volts/60 hertz?

Cannot. Voltage converters can only convert 110V to 220V, they cannot change the frequency. This voltage converter is rated at 50Hz/60Hz and is compatible with most countries. However, if the appliance frequency is not the same as the local frequency, it may not work. For example, if a British appliance to be used in the United States has a rated frequency of For example, if a British appliance to be used in the United States is rated at 50Hz and the local frequency in the United States is rated at 60Hz, the appliance may not work because of the difference in frequency.

A voltage converter can be connected to more than one electrical appliances to use?

Check the power of all devices and calculate the total power to be consumed when used simultaneously. The total power of the voltage converter should exceed the total power of the equipment by 30% or more for normal use.

Voltage converter with frequency conversion function?

The voltage converter is compatible for use with 50Hz and 60Hz frequency appliances, but cannot change an appliance's rated 50Hz frequency to 60Hz.

Power Converter, Voltage Converter Transformer, Voltage Converter Manufacturer & Supplier

VOLTAGE CONVERTER

We provide a diverse product portfolio and excellent services

Shunhong 2000VA Step Down Transformer 220V to 110V/100V | Toroidal Voltage Converter for US & Japanese Appliances

The Shunhong SH-DB-2000VA is a premium 2000VA step down transformer engineered to safely convert 220V mains electricity down to 110V and 100V. Built with a high-efficiency toroidal transformer core and high-temperature aluminum windings, this dry type transformer provides pure, stable power for high-wattage US and Japanese appliances.

Featuring a dual-voltage switch, 3 US-standard outlets, a real-time digital voltage display, and an integrated circuit breaker, it ensures maximum safety and seamless power adaptation for your imported home appliances.

New Pure Copper Industrial Grade 5000VA Booster Transformer 110V To 220V, Designed To Solve The Problem of Voltage Mismatch

Innovative voltage conversion technology, the new industrial grade 5000VA boost transformer, designed to provide solutions for voltage incompatibility problems.

This product is made of high quality pure copper material and combined with innovative design, it can easily increase the 110V voltage to 220V, ensuring barrier-free operation when using 220V voltage equipment in 110V voltage standard areas.

Equipped with two independent output ports, it can provide stable power for multiple electrical equipment at the same time to meet the diverse power needs of home and office environments.

Its industrial-grade robust construction not only guarantees the durability of the product, but also ensures high reliability in a variety of use environments. Choose our transformers for an efficient and stable voltage conversion experience.

Industrial grade 3000VA pure copper booster transformer 110V to 220V, global voltage adaptation, to ensure seamless operation of electrical appliances across borders

The industrial 3000VA boost voltage converter, with its outstanding design and performance, provides a comprehensive solution to voltage mismatch problems.

It can increase the 110V voltage to 220V, so that 220V electrical equipment can be used in 110V voltage standard areas such as the United States.

The transformer is equipped with two independent output ports to support the stable operation of multiple appliances at the same time, whether it is home appliances such as rice cookers, hair dryers, or office equipment such as printers, copiers, can be effectively supported.

Its robust industrial grade structure not only guarantees the durability of the equipment, but also provides excellent reliability, providing users with an efficient voltage conversion solution that can provide stable power supply in a variety of environmental conditions.

Industrial Grade 3000VA Pure Copper Step-down Transformer 110V To 220V, Efficient Voltage Transfer, The Ideal Choice for Global Electrical Compatibility

The industrial-grade 3000VA step-down transformer, crafted from pure copper, is designed to meet the harsh requirements of the industrial environment and is the preferred solution for electrical appliances around the world with its efficient voltage transfer performance.

This transformer has excellent voltage conversion capability, which can safely and stably reduce the voltage of 220V to 110V or 100V, so that 110V voltage American appliances can operate seamlessly in Europe, Asia, the Middle East and other regions with 220V voltage. Its high efficiency and stability not only ensure the compatibility of electrical appliances, but also provide solid support for the use of transnational electrical appliances.

Whether it is a home, office or a variety of industrial environments, this transformer can provide stable and reliable power conversion services, making it the perfect choice for electrical appliances used across borders.

Industrial grade pure copper manufacturing 2000VA booster transformer,110V to 220V efficient voltage conversion, to meet the needs of multi-equipment power supply

Designed to provide a solution to the problem of voltage mismatch, this industrial grade pure copper 2000VA booster transformer stands out for its efficient performance.

It can seamlessly increase 110V voltage to 220V, ensuring that 220V electrical equipment in 110V voltage standard areas, such as the United States, can also run smoothly.

Equipped with two independent output ports, this transformer allows multiple electrical devices to be connected at the same time, whether it is a home or an office, it can easily cope with the power needs of multiple devices.

Its robust industrial construction not only ensures the long-term durability of the equipment, but also provides a high degree of reliability, giving users a stable and efficient voltage conversion experience.

Shunhong Industrial 220V to 110V 100V Step Down Transformer (2000VA-4000VA) – Full Power Voltage Converter for US & Japanese Appliances

Manufactured in pure copper, this industrial-grade 4000VA step-down transformer is the solution of choice for international use of electrical appliances with its high-efficiency voltage transfer technology designed specifically for industrial environments.

It has the ability to safely and stably convert 220V voltage to 110V or 100V, so that 110V voltage American appliances can easily cope with the 220V voltage commonly used in Europe, Asia, the Middle East and other regions, achieving seamless use.

This transformer not only ensures the compatibility of electrical appliances with its high efficiency and stability, but also provides solid support for the cross-border use of electrical appliances to meet a wide range of use needs. Whether it is a home, office or a variety of industrial sites, it can provide durable and reliable power conversion services, becoming the perfect partner for electrical appliances used across borders.

Pure Copper 220V To 110V Step Down Voltage Converter (2000VA - 5000VA)|Shunhong

Engineered for high-power appliances, the Shunhong 220V to 110V/100V Converter features a premium 100% pure copper toroidal core for maximum energy efficiency and stable single phase transformer. Available in capacities from 2000W to 5000W, this heavy-duty Step Down Voltage Converter is specially designed to safely power motor-driven equipment—including air conditioners, refrigerators, and kitchen electronics—without voltage fluctuations.

100% Pure Copper Toroidal Core: Built with a high-efficiency toroidal transformer for whisper-quiet single-phase operation, lower energy loss, and extended lifespan.
220V to 110V/100V Step-Down Conversion: Effortlessly converts foreign 220V power to standard 110V/100V, allowing US and Japanese electrical appliances to run safely anywhere.
Heavy-Duty Appliance Compatible: High-capacity options (2000W–5000W) easily handle high-surge startup loads for air conditioners, refrigerators, freezers, and power tools.
Stable & Continuous Output: Delivers clean, regulated voltage output to protect sensitive compressors and motors from voltage spikes.
Shunhong Reliable Quality: Engineered with built-in safety protections for safe 24/7 continuous operation in residential and commercial settings.

(2000VA - 5000VA) Pure Copper 110V To 220V Step Up Toroidal Transformer|Shunhong

Designed for high-power appliances, the Shunhong 110V to 220V Voltage Converter features a premium 100% pure copper toroidal core, delivering maximum energy efficiency and stable single-phase power performance. Available in 2000W to 5000W (2000VA - 5000VA) capacities, this heavy-duty step up transformer safely powers motor-driven machinery and high-draw equipment—such as power tools, air conditioners, and commercial coffee machines—effectively preventing voltage fluctuations and equipment strain.

100% Pure Copper Toroidal Core:
Built with a high-efficiency pure copper toroidal transformer structure, ensuring ultra-quiet single-phase operation, lower thermal energy loss, and a significantly longer operational lifespan compared to aluminum transformers.

Seamless 110V to 220V Step-Up Conversion:
Effortlessly steps up 110V/120V US standard power to continuous 220V/240V output, allowing European, Asian, and other 220V appliances to operate safely and reliably in 110V grid regions.

High-Capacity Power (2000W /3000W / 4000W / 5000W):
Specifically engineered to handle heavy inrush starting currents. Easily drives high-load devices including air conditioners, commercial espresso machines, deep freezers, and industrial power tools.

Clean & Stable Continuous Output:
Provides steady, regulated voltage to safeguard sensitive compressors, motors, and electronic circuit boards from voltage spikes and sudden brownouts.

Trusted Shunhong Quality & Multi-Protection:
Features built-in multi-layer safety protections (thermal overload, short-circuit, over-current) for uninterrupted, continuous 24/7 heavy-duty operation in both residential and commercial environments.

300VA Voltage Converter Series | Step Up & Step Down Transformers | OEM/ODM Service | Shunhong

Shunhong 300VA Voltage Converter Series
The Shunhong 300VA voltage converter series is your reliable power solution for global voltage mismatch. Specially designed for international voltage conversion, it ensures safe and stable power supply for your devices.

⚠️ IMPORTANT: Single-Direction Conversion Only
Please check your device's voltage and select the correct step up/down transformer model:

220V to 110V: For using US appliances in Europe/Asia.
220V to 100V: For using Japanese appliances in Europe/Asia.
110V to 220V: For using European/Asian appliances in the US.
100V to 220V: For using European/Asian appliances in Japan.

Key Features:

Compact 300VA Capacity: Ideal for low-wattage electronics under 300VA, such as electric shavers, toothbrushes, cameras, and small fans.
Step Up / Step Down Function: Available in 4 precise conversion options to meet your specific power needs.
Safety First: Built-in over-current, over-temperature, short-circuit, and fuse protection for ultimate safety.
Universal Compatibility: Works perfectly with most 50Hz/60Hz electrical devices.

Applications:
Perfect for international travelers, expats, and daily use. Safely power your small desk lamps, electric shavers, laptops, and other small appliances when crossing different voltage regions.

Wholesale & Customization Available
Shunhong is a professional transformer manufacturer. We offer comprehensive OEM/ODM services, custom packaging, and bulk pricing for distributors and retailers. Contact us today for a quote!

This 2000VA Boost Voltage Converter Can Convert 100V To 220V, So That Appliances That Require 220V Can Be Used Normally in Areas with 100V .

This 2000W Boost Voltage Converter is a device designed to solve the problem of voltage differences. It is capable of converting 100V to 220V, thus enabling appliances that would otherwise require 220V to be used properly in areas where the voltage is 100V, such as Japan.

Compact 200W Voltage Converter for Japan: Safe 220V To 100V Step Down Transformer for Home & Travel

"Small and efficient, cross-voltage hassle-free: This 200W mini step-down transformer, designed for 100V Japanese appliances, easily achieves seamless conversion under 220V voltage environments, ensuring stable operation of equipment."

Shunhong 3000W Step Up Transformer 110V To 220V - Heavy Duty Dual Outlet

The Shunhong 3000W Step Up Transformer (110V to 220V) is a market-proven powerhouse. Featuring a dual-outlet design and a robust toroidal core, it delivers stable, efficient power for high-wattage home, office, and medical appliances. Built with premium safety protections and flame-retardant materials, it's the reliable choice for powering your valuable 220V electronics in any 110V region.

ShunHong 300VA Voltage Converter 110V To 220V Step-Up Power Transformer - Compact And Portable

This 300W step-up transformer is specifically designed to solve voltage differences by converting 110V to 220V. This enables appliances that require 220V, such as those commonly used in Europe, to function properly in regions where the standard voltage is 110V, like the United States.

Shunhong 300VA Voltage Converter 220V To 110V Step-Down Power Transformer, Compact And Portable

This 300W step-down transformer is designed to address voltage differences between different countries, ensuring that your electrical appliances can be used normally around the world. It efficiently steps down the input voltage from 220V to 110V output, enabling appliances that are intended for use in the United States or Canada (where 110V is the standard voltage) to operate seamlessly in regions using a 220V standard, such as Europe, Asia, and the Middle East.

If you need this translated into Chinese or have any other translation requests, feel free to let me know! However, it seems like you've provided the Chinese description directly, so I've given an English translation based on your text. If there's anything specific you want to adjust or another piece of text you need translated, please provide more details.

ShunHong 300VA Voltage Converter 220V To 100V Step-Down Power Transformer – Compact And Portable

This 300W step-down transformer is specifically designed to address voltage differences between countries, ensuring that your electrical appliances can be used seamlessly worldwide. It efficiently converts a 220V input voltage down to a 100V output, allowing appliances designed for use in regions with a 100V standard voltage (such as Japan) to operate smoothly in areas where the standard voltage is 220V, including Europe, Asia, and the Middle East.

Shunhong 200W Step Up Transformer 110V To 220V - Portable Pure Copper Voltage Converter

Effortlessly power your 220V electronics with the Shunhong 200W Step Up Transformer (110V to 220V). Built with premium pure copper windings for maximum efficiency and durability, this compact and lightweight voltage converter is perfect for both home use and international travel. Features advanced flame-retardant housing and precise voltage regulation to ensure ultimate safety for your imported appliances.

Shunhong 200W Step Down Voltage Converter 220V to 110V - Pure Copper Transformer for US, Canada & Taiwan Appliances

Power your imported electronics safely with the Shunhong 200W Pure Copper Transformer. Expertly converting 220V to 110V, this compact and lightweight step-down converter is perfect for travel and home use. Ideal for personal care devices, dental cleaners, and small household gadgets from the US, Canada, and Taiwan. Featuring advanced flame-retardant housing and precise voltage regulation for ultimate safety.

Shunhong 150VA Small Power Voltage Converter, 220V To 110V, Designed for Curling Iron And Other Small Appliances. Made of Pure Copper, High Conversion Efficiency And Stable Performance.

Shunhong 150VA small power voltage converter, 220V to 110V, designed for curling iron and other small appliances. Made of pure copper, high conversion efficiency and stable performance. Equipped with a switch, with waterproof function, safe and reliable, to meet the diverse needs of electricity.

150VA High Efficiency Voltage Converter, One Button To Achieve 110V To 220V Precise Conversion.

150VA high efficiency voltage converter, one button to achieve 110V to 220V precise conversion. Made of high quality copper material to ensure high conductivity and stability. With IP65 waterproof rating, it can effectively resist dust and water spray. Compact size, easy to carry, is the ideal power solution for small appliances to meet diversified power needs.

500VA Multifunctional Transformer It Supports Voltage Conversion From 220V To 110V And From 110V To 220V, Making It Suitable for Cross-border Use of Electrical Appliances Worldwide.

This 500VA international transformer is specially designed for cross-border electrical appliances. It features a voltage switching function, which can safely and stably step down the voltage from 220V to 110V or step up the voltage from 110V to 220V, making it compatible with the voltage requirements of regions such as Europe, Asia, the Middle East, the United States, and Canada.

ABOUT US

Company Profile of Foshan Shunhong Electrical Appliance Co., Ltd.

1. Corporate Overview
Founded in 1987, Foshan Shunhong Electrical Appliance Co., Ltd. (formerly Foshan Nanhai Dali Shunhong Electrical Appliance Factory) is a professional transformer manufacturer integrating R&D, production, and sales. Located in the Dazhen Industrial Zone, Dali Town, Nanhai District, Foshan City, Guangdong Province, our core business falls under the sub-sector of transformer, rectifier, and inductor manufacturing within the electrical machinery and equipment industry. As a source factory, Shunhong Electrical is committed to providing safe and stable power conversion solutions for global users.

2. Qualifications & History

Establishment: The brand was established in 1987, and the factory entity was founded on July 4, 2003.
Registration: Upgraded to a limited liability company on August 22, 2014.
Business Philosophy: Quality First, Customer Supreme.
Production Capacity: With over three decades of development, we have cumulatively produced more than 10 million transformers, establishing ourselves as one of the larger-scale transformer manufacturers in the Chinese industry.

HONOR CERTIFICATE

The power transformers produced by ShunHong can be applied in the fields of home, office, beauty care and medical treatment; in the international market, its products are also highly favored and have become the necessary conversion power transformers for import and export electrical appliances.

INDUSTRY APPLICATIONS

You Must Be Curious About The Application Of Power Converter

SALES MARKET

ShunHong’s Power Converter has been sold worldwide

Our company manufactures electrical goods and has a sales network that spans across all provinces and cities in China. Additionally, we have expanded our reach to North America, including the United States and Canada, as well as Japan and the Middle East region in the international market.

Thanks to our exceptional scientific and technological capabilities and top-notch quality assurance, our Voltage Converter products have become an essential component in the global import and export of electrical appliances.

By continuously promoting product innovation and maintaining superior quality, Shun Hong Transformer has gained a strong reputation and significant influence worldwide.

FAQ

What kind of plugs and sockets do you have?

220V to 110V (plug and socket illustration);
220V to 100V (illustration of plug and socket);
110V to 220V (plug and socket illustration);
If I don't use the voltage converter, can the 110V electrical appliances be plugged into the 220V socket?

No. 220V is a high voltage supply compared to 110V. Once turned on, it will quickly damage your appliances. It is recommended that you purchase a step-down power converter suitable for your own appliances to avoid damaging them. We recommend that you purchase a step-down power adapter that is suitable for your own appliances to avoid damage to your appliances.
If the input voltage is 220 volts/50 hertz, can it produce 110 volts/60 hertz?

Cannot. Voltage converters can only convert 110V to 220V, they cannot change the frequency.
This voltage converter is rated at 50Hz/60Hz and is compatible with most countries.
However, if the appliance frequency is not the same as the local frequency, it may not work. For example, if a British appliance to be used in the United States has a rated frequency of For example, if a British appliance to be used in the United States is rated at 50Hz and the local frequency in the United States is rated at 60Hz, the appliance may not work because of the difference in frequency.
A voltage converter can be connected to more than one electrical appliances to use?

Check the power of all devices and calculate the total power to be consumed when used simultaneously.
The total power of the voltage converter should exceed the total power of the equipment by 30% or more for normal use.
Voltage converter with frequency conversion function?

The voltage converter is compatible for use with 50Hz and 60Hz frequency appliances, but cannot change an appliance's rated 50Hz frequency to 60Hz.

LATEST NEWS

Learn more about consultation

How To Safely Use A US Dyson Hair Dryer in China with Shunhong Transformers

Using a US Dyson hair dryer in China requires converting the local 220V standard down to the device's native 120V to prevent severe damage. Shunhong Transformer offers an elegant solution with its new 2000VA model, providing ample power reserve for high-wattage styling tools. Beyond its robust performance and built-in thermal safety, this transformer features a modern minimalist white aesthetic that complements contemporary home decor. Its innovative dual-output design supports both 110V (for North American devices) and 100V (for Japanese appliances), making it a versatile and stylish must-have for international appliance users.

03 June 2026

How Shunhong’s Thermal Protection Prevents Overheating

Thermal protection is a critical safety feature in voltage converters that prevents catastrophic overheating during high-power usage.

Shunhong Transformer, a trusted brand with over 30 years of expertise, integrates advanced thermal monitoring into its products to safeguard both the device and connected electronics.

If the internal temperature reaches 85℃ due to prolonged overload, the system automatically shuts off the power.

Unlike traditional fuses, this smart protection resets once the unit cools down, offering reusable, reliable safety for daily use.

03 June 2026

Style Meets Power: The Sleek Shunhong Transformer for Your Imported Appliances

Gone are the days of hiding bulky, ugly transformers in the corner. This article introduces the Shunhong 2000W Voltage Converter, a device that perfectly blends modern minimalist aesthetics with powerful functionality. Designed with dual 110V and 100V output ports, it allows you to seamlessly power both US and Japanese appliances simultaneously. Backed by Shunhong's 30-year legacy of in-house manufacturing and six layers of safety protection, this converter proves you don't have to sacrifice your home's style to enjoy your favorite global gadgets.

22 May 2026

Contact Us

If you have any needs or questions, we sincerely welcome you to keep in touch with us. Our sales team will wholeheartedly provide you with comprehensive support and provide you with satisfactory solutions. Look forward to working with you!

FAQ

What kind of plugs and sockets do you have?

If I don't use the voltage converter, can the 110V electrical appliances be plugged into the 220V socket?

If the input voltage is 220 volts/50 hertz, can it produce 110 volts/60 hertz?

A voltage converter can be connected to more than one electrical appliances to use?

Voltage converter with frequency conversion function?

CONTACT US

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