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.

VOLTAGE CONVERTER& Transformer
Manufacturer in China

We provide a diverse product portfolio and excellent services

Shunhong Value 500VA Voltage Converter 220V to 110V for Small Appliances - TM333-500VA

The Shunhong TM333-500VA is an industrial-grade 500VA step down voltage transformer converting AC 220V to AC 110V. Built with high-grade aluminum winding delivering high heat dissipation and cost efficiency, it is engineered for continuous, stable operation powering imported US (110V) from 220V–240V grids without voltage drop or motor stall.

Top Technical Highlights

Continuous 250W Output: Smoothly steps down AC 220V to AC 110V with rock-solid full-load stability.
High-Grade Aluminum Winding: Precision aluminum coils offer excellent thermal stability, light weight, and high cost-efficiency.
Push-to-Reset Circuit Breaker: Instant overload protection with push-button reset—no replacement fuses required.
Convection Louver Vents: Bilateral stamped vents provide natural passive cooling inside an industrial metal casing.
Factory Direct & OEM/ODM Ready: Manufacturer wholesale pricing, customized sockets, custom logo, and low trial MOQs

Value TM111-3000VA Step Down Power Transformer for Home Appliances |Shunhong

The Shunhong TM111-3000VA is an ultra-high-capacity, cost-effective 220V to 110V step-down voltage converter engineered specifically to power imported North American 110V–120V heavy-duty household and commercial appliances safely on 220V–240V utility grids. Backed by 38 years of dedicated transformer engineering directly from our specialized factory, it integrates a high-efficiency cold-rolled silicon steel core with precision toroidal aluminum winding, delivering immense power reserves, balanced thermal dissipation, and rock-solid continuous voltage reduction for high-draw appliances up to 1500W continuous load.

3000VA High-Capacity Toroidal Core: Combines high-flux cold-rolled silicon steel with mature toroidal aluminum winding to supply substantial peak inrush surge capability, smooth voltage regulation, and durable operation under continuous 1500W heavy-duty loads.

Flame-Retardant Industrial Iron Enclosure: Constructed from high-tensile stamped steel with heat-resistant electrostatic coating, delivering complete shock isolation, impact resistance, and structural protection for home and studio environments.

Physical Master Switch with Zero-Standby Draw: The dedicated red rocker switch completely disconnects mains voltage when switched off, eliminating phantom electricity consumption and sparing users from repeatedly plugging and unplugging heavy power cables.

Versatile 3-Way Mounting Flexibility: Weighing approx. 4.5 kg, the unit supports secure wall hanging via rear mounting slots, vertical tower standing, or flat horizontal placement on countertops, utility stands, or workshop benches.

Value 1000W Step Down Transformer 220V to 110V | TM666-1000VA | Shunhong

The Shunhong TM222-1000VA (MB10001) is a high-performance 1000VA step-down transformer designed to seamlessly convert 220V to 110V. Built with high-quality aluminum windings for exceptional heat dissipation and cost-effectiveness, this AC voltage converter is engineered for continuous and stable operation. It safely supplies power from a standard 220V–240V power grid to imported US and Japanese 110V appliances without voltage drops or motor stalling.

Key Features:

Dedicated 110V Standard Output: Safely powers imported 110V American and North American small-to-medium appliances from a 220V power grid, ensuring stable performance with no cross-voltage interference.
High-Quality Aluminum Winding: Lightweight, high-temperature resistant, and cost-effective, delivering highly efficient power conversion for daily electronic needs.
Robust Safety Protection: Equipped with a built-in circuit breaker featuring a convenient reset button and a heavy-duty, flame-retardant metal casing for ultimate operational safety.
Recommended Load Capacity: For safe, continuous, and long-term use, it is recommended to power appliances under 500W (allowing a standard safety margin for inductive or heating loads).

Direct Factory OEM/ODM Services: As a direct transformer manufacturer, we support customized socket types (US, UK, EU, universal, etc.), private labeling (OEM), custom voltage requirements, and wholesale container shipping.

Shunhong TM333-500VA 110V To 220V Step Up Voltage Converter (500W)

The Shunhong TM333-500VA (Merchant SKU: MB5002) is a plug and play 500VA voltage converter and step up transformer engineered by Shunhong with 38 years of transformer manufacturing pedigree. Specifically designed as an affordable 110v to 220v voltage converter for small appliances, it reliably steps up 110V/120V US grid electricity to 220V for European and Chinese personal care and desktop devices with quiet, energy-efficient performance.

110V to 220V Precision Step-Up for Overseas Compatibility
Engineered as a 120v to 220v converter for everyday devices, safely stepping up North American 110V/120V wall outlets to stable 220V-240V for Chinese & European gadgets without rewiring.

500VA Rated Capacity with Safe Small-Appliance Headroom
Delivers a genuine step up converter 500va rating with 0.3A maximum throughput. Recommended for continuous resistive loads under 250W to guarantee safe electrical headroom.

Cold-Rolled Silicon Toroidal Core & High Efficiency
A low cost 500va step up converter featuring premium grain-oriented cold-rolled silicon steel and proven toroidal winding, delivering high energy efficiency and minimal idle loss.

Dual Convection Cooling, Fire-Retardant Metal & Wall-Mounting
Operates as a light duty step up voltage transformer and compact 110v to 220v voltage transformer with bilateral convective airflow vents, fire-resistant iron enclosure, and rear wall brackets.

38-Year Shunhong Pedigree, Quad Certifications & Master Switch
A budget friendly 110v to 220v converter and plug and play 500va voltage converter backed by Shunhong 38-year factory craftsmanship, certified by FCC, RoHS, CQC, and CE with zero-unplug switch.

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

Engineered as an A-grade dual-use industrial and residential powerhouse, the Shunhong SHJY-3000VA (N30002) step up transformer provides massive, uncompromised 3000VA capacity to operate imported 220V high-wattage equipment on North American 110V electrical lines. Dressed in a sleek white flame-retardant ABS chassis, it combines a high-density toroidal aluminum core with cold-rolled silicon steel to deliver unwavering voltage stability and whisper-quiet performance. Featuring bilateral dual 220V outputs, a heavy-gauge 1.5mm² integrated power cord, and an eight-fold proactive safety matrix, it effortlessly powers imported high-end kitchenware, professional salon blowers, office machinery, and light workshop tools with uncompromising dependability.

Dual Bilateral 220V Outlets for Concurrent Multi-Heavy-Appliance Power
Symmetrically placed independent 220V sockets on the left and right sides operate concurrently on separate isolated circuits. Power two imported 220V heavy-duty cooking, grooming, or office devices simultaneously without cross-circuit interference or purchasing multiple converters.

Heavy-Duty Toroidal Core & Cold-Rolled Silicon Steel for Zero Voltage Sag
Features a tightly wound high-grade toroidal aluminum coil integrated with cold-rolled silicon steel. Provides exceptionally low core resistance, minimal conversion loss, and clean electromagnetic shielding to protect microcomputer circuit boards against power dips and grid spikes.

Sleek Pure White Flame-Retardant ABS Enclosure with Clean Aesthetic
Constructed from high-grade fire-resistant ABS resin in a refined pure white finish. Resists high temperatures, impact, and chemical staining, presenting a clean architectural aesthetic that elevates modern apartments, hair salons, and workshops over ugly black steel boxes.

Integrated 1.5mm² Heavy-Duty Power Cord & Instant Rocker Switch Control
Equipped with a factory-sealed 1.2m power cable with 1.5mm² high-spec flame-retardant wiring capable of continuously carrying up to 16A. A physical rocker switch with visual white LED illumination provides instant, spark-free on/off control without unplugging from wall sockets.

Eight-Fold Proactive Safety System & International Aviation/Marine Compliance
Packed with 8 proactive safety shields including smart thermal sensors, millisecond short-circuit cut-off, EMC suppression, leakage protection, fire-retardant shell, convection airflow, anti-slip base, and auto-restart. Fully compliant with civil air travel and ocean freight standards.

Shunhong SHJY-2000VA Step Up Transformer 110V to 220V Dual Sockets 2000W

Engineered specifically to solve the high-wattage power hurdle for international students, families, and expatriates living in North America, the Shunhong SHJY-2000VA (N20002) step up transformer converts standard US 110V wall power into dual heavy-duty 220V outputs. Housed in a clean, stylish pure white flame-retardant casing, it features a heavy-duty toroidal core wound with premium materials and integrated cold-rolled silicon steel, delivering rock-solid voltage without drops or harmonic distortion. With symmetrical dual 220V sockets, a thick 1.5mm² integrated power cord, and an eight-fold proactive safety matrix, it effortlessly powers your prized imported kitchenware and high-performance appliances with whisper-quiet confidence.

• Dual Bilateral 220V Outlets for Concurrent Heavy-Duty Appliance Power:

Features symmetrically distributed independent 220V output sockets on both flanks. Both outlets deliver constant standard 220V power with isolated circuitry, allowing you to run two overseas appliances concurrently without mutual voltage drop or cluttering your counters with multiple converters.

• Toroidal Core & Cold-Rolled Silicon Steel for Stable Full-Power Delivery:

Constructed with high-density toroidal aluminum coils and premium cold-rolled silicon steel. Delivers minimal internal impedance, exceptionally low operating heat, and rock-steady voltage stability to protect expensive microcomputer control boards from grid spikes and brownouts.

• Sleek Pure White Flame-Retardant ABS Enclosure with Modern Aesthetic:

Dressed in an elegant, scratch-resistant pure white flame-retardant ABS/PC shell. The modern vertical and horizontal posture integrates harmoniously into modern kitchens, vanity counters, and shared apartments, far superior to unrefined industrial black boxes.

• Integrated 1.5mm² Heavy-Duty Power Cord & Intuitive Rocker Switch:

Engineered with a factory-sealed 1.2m power cord featuring 1.5mm² high-spec flame-retardant conductors, effortlessly withstanding high startup currents without overheating. An independent physical rocker switch and visual LED indicator provide safe one-touch on/off control.

• Proactive Eight-Fold Safety Shield & Flight-Ready Aviation Compliance:

Integrates an exhaustive safety matrix featuring smart thermal cut-off, short-circuit protection, electromagnetic interference suppression, leakage lock, fire-resistant shell, convection cooling, anti-slip base, and auto-restart. Complies fully with civil aviation standards.

Shunhong SHJY-800VA 110V to 220V Step Up Voltage Transformer Dual Socket

Specially engineered by Shunhong Transformer Works for overseas residents, scholars, and travelers who need reliable 220V power across the United States and Canada, the SHJY-800VA (N8002) step up transformer turns 110V residential wall electricity into dual stable 220V outputs. Dressed in a sleek white fire-resistant ABS shell, it features a heavy-duty toroidal core paired with high-permeability cold-rolled silicon steel. With its symmetrical dual sockets, built-in 1.2m power cord, and comprehensive eight-fold safety architecture, it delivers cool, quiet, and dependable power conversion for a diverse range of overseas electronics.

Dual Bilateral 220V Outlets for Concurrent Two-Device Operation
Symmetrically placed independent 220V sockets on the left and right sides operate simultaneously with separate electrical channels. Run two 220V kitchen or personal care appliances at the same time without cross-voltage drop or the expense of buying multiple converters.

Precision Toroidal Aluminum Winding with Cold-Rolled Silicon Core
Features a precision-wound toroidal aluminum coil integrated with high-permeability cold-rolled silicon steel. Provides ultra-low internal resistance, minimal conversion loss, and clean electromagnetic shielding to safeguard sensitive microcomputer circuit boards.

Minimalist Pure White Flame-Retardant ABS Enclosure
Constructed from high-grade flame-retardant ABS composite material with a refined matte white finish. Impact-resistant and heat-tolerant, its vertical and desktop posture fits naturally into modern home kitchens, vanity counters, and shared suites.

One-Piece Sealed 1.2m Power Cord & Intuitive Rocker Switch Control
Factory-fitted with a sealed, non-detachable 1.2-meter power cable with standard 0.5mm² flame-retardant core wire, eliminating loose connection sparks. An independent rocker power switch and visual status LED enable effortless one-touch power management.

Comprehensive Eight-Fold Smart Protection & Flight-Compliant Portability
Equipped with 8-stage proactive protection covering thermal overload, short-circuit, EMC shielding, leakage sensing, fire resistance, convection cooling, anti-slip stability, and auto-restart. With no liquids or magnets, it travels safely on commercial airlines and rail.

Shunhong SHJY-500VA 500w Step Up Transformer 110V To 220V with Dual Sockets

Shunhong SHJY-500VA (N5002) step up transformer seamlessly bridges the gap between US/Canada 110V wall power and 220V voltage. Encased in a modern minimalist pure white flame-retardant housing, it combines a high-efficiency toroidal core with dual independent 220V sockets that operate simultaneously without mutual interference. Backed by Shunhong’s 38-year manufacturing heritage, an integrated heavy-duty power cord, and an eight-fold intelligent safety matrix, it delivers whisper-quiet, whisper-cool voltage transformation for modern living.

Dual Bilateral 220V Outlets for Simultaneous Multi-Appliance Power
Features two isolated 220V output ports positioned symmetrically on the left and right sides. Both outlets deliver constant standard 220V power simultaneously, allowing you to run two overseas appliances without buying multiple converters or cluttering your space.

Precision Toroidal Core & Cold-Rolled Silicon Steel for Stable Voltage
Constructed with an advanced toroidal aluminum winding and high-permeability cold-rolled silicon steel core. It effectively filters American grid voltage fluctuations and transient surges, maintaining a pure, steady 220V output to safeguard sensitive appliance motherboards.

Sleek Pure White Flame-Retardant Casing with Space-Saving Profile
Crafted with a sleek, minimalist pure white aesthetic and dual-layer flame-retardant ABS/PC composite shell. The streamlined vertical and horizontal footprint harmonizes beautifully with modern apartments, vanity countertops, and desktop setups while resisting heat and impacts.

Integrated Reinforced Power Cord & One-Touch Switch
Equipped with a built-in 1.2-meter standard 3-prong power cord engineered with flame-retardant copper core, eliminating loose plug hazards. A physical rocker switch with visual LED indicator allows effortless one-touch on/off control without disconnecting the wall outlet.

Eight-Fold Intelligent Safety System & Travel-Ready Flight Compliance
Integrates comprehensive safety safeguards including smart thermal cut-off, short-circuit protection, electromagnetic shielding, leakage cut-off, fire-resistant shell, convection cooling, anti-slip base, and auto-recovery. Contains no liquid or magnetic parts, fully compliant with air travel regulations.

SHJY-3000VA 3000W Step Down Transformer 220V to 110V 100V Voltage Converter

Engineered by Shunhong—a distinguished transformer manufacturing enterprise founded in 1987 with 38 years of precision pedigree—the SHJY-3000VA 3000W step down transformer represents the pinnacle of high-power residential voltage conversion. Clad in a modern white aesthetic with a space-saving vertical standing posture, this home step down converter effortlessly converts 220V domestic utility electricity to 110V and 100V dual outputs. Built specifically for heavy-duty kitchenware, high-output espresso machines, air fryers, American countertop ovens, and imported 110V workshop power tools, it delivers unwavering voltage stability and low thermal dissipation under heavy electrical loads. Equipped with an integrated heavy-duty 1.5mm² pure copper power cord, flame-retardant shell, smart thermal cut-off sensor, and dynamic overload protection, it brings premium safety and continuous power backed by stable factory raw material reserves and full OEM/ODM manufacturing expertise.

• 110V & 100V Dual Port Output for High-Wattage Kitchenware & Tools:

Equipped with dual sockets: an authentic 100V socket calibrated for high-draw Japanese culinary appliances and a 110V socket for American equipment, avoiding component wear from single-voltage compromises.

• Sleek White Design & Vertical Space-Saving Standing Posture:

Presents a clean white aesthetic and vertical upright footprint that takes up half the kitchen counter surface compared to traditional bulky horizontal converters, fitting neatly alongside modern appliances.

• Integrated 1.5mm² Heavy-Duty Power Cord with Reinforced Strain Relief:

Engineered with a factory-sealed integrated 1.2-meter standard 3-prong power cable boasting a thick 1.5mm² pure copper wire core, carrying heavy currents up to 16A smoothly without heating or accidental unplugging.

• Multi-Layer Protection: Flame-Retardant, Smart Thermal & Overload Protection:

Equipped with robust safety shields: dynamic overload protection and a smart thermal overheat cut-off sensor monitor high-wattage cooking, encased in a fire-resistant shell to prevent fire hazards.

• Continuous Duty Toroidal Core for 98% Efficiency & Whisper-Quiet Power:

Built with a high-permeability grain-oriented silicon steel toroidal core enclosed in a flame-retardant shell, providing 98% conversion efficiency, low idle power draw, and whisper-quiet operation without fan noise.

SHJY-2000VA 2000W Step Down Transformer 220V to 110V 100V Voltage Converter

Backed by Shunhong’s 38-year manufacturing expertise since 1987, the SHJY-2000VA (2000W) is the ultimate high-capacity step-down transformer for imported home appliances. Featuring a modern, space-saving vertical design, it effortlessly converts 220V power into dual 110V and 100V outputs—making it perfect for high-draw US and Japanese kitchenware like IH rice cookers, KitchenAid stand mixers, and smart bidets.

Dual 110V/100V Sockets: Dedicated ports for US (110V) and Japanese (100V) appliances to prevent voltage stress and overheating.
Compact Countertop Footprint: Sleek vertical orientation takes up less than half the space of conventional flat transformers.
80% Efficient Toroidal Core: Delivers silent operation, ultra-low standby power, and cool running under continuous heavy loads.
Triple-Layer Safety: Built with V0 flame-retardant casing, smart thermal cut-off sensors, dynamic overload protection, and an integrated 1.0mm² pure copper power cord.

SHJY-800VA 800W Step Down Transformer 220V to 110V 100V Voltage Converter

Originating from Shunhong’s 38-year manufacturing excellence established in 1987, the SHJY-800VA 800W step down transformer is the premier power bridge for discerning consumers. Encased in a modern white aesthetic with a space-saving vertical standing posture, this home step down converter effortlessly steps down 220V power to 110V and 100V dual outputs. Whether powering imported Japanese Hi-Fi audio amplifiers, CPAP medical devices, air purifiers, or advanced styling gear, its precision toroidal core maintains silent background purity and robust thermal stability. Complemented by an integrated 1.2m pure copper power cord, flame-retardant casing, smart thermal sensing, and dynamic overload protection, it brings true plug-and-play peace of mind backed by stable raw material supply chains and OEM/ODM factory capacity.

• 110V & 100V Dual Port Output for US & Japanese High-Fidelity Gear: Equipped with dual sockets on the front panel: authentic 110V for North American appliances and 100V calibrated for sensitive Japanese electronics, preventing long-term internal heat degradation.
• Sleek White Design & Vertical Space-Saving Standing Posture: Crafted with a sleek white casing and space-saving upright posture that sits smoothly on audio racks, bedside tables, or living room counters without the unsightly bulk of industrial converters.
• Integrated 1.2m Heavy-Duty Power Cord with Built-in Strain Relief: Equipped with a standard 1.2-meter integrated 3-prong pure copper power cord (0.5mm² standard core) with heavy-duty strain relief, eliminating accidental disconnection, loose sparks, and cord misplacement.
• Multi-Layer Protection: Flame-Retardant, Smart Thermal & Overload Protection: Engineered with a comprehensive multi-protection system combining flame-retardant ABS housing, intelligent thermal overheat cut-off sensor, and dynamic overload protection, ensuring zero fire hazards and round-the-clock stability.
• Grain-Oriented Toroidal Core for Zero Magnetic Leakage & Whispering Silence: Constructed with a premium cold-rolled silicon toroidal core delivering 98% efficiency and minimal stray magnetic flux, ensuring ultra-quiet performance essential for Hi-Fi listening environments.

Shunhong SHJY-500VA 500W Step Down Transformer (220V To 110V & 100V Dual Output) – Sleek White Voltage Converter for US & Japanese Appliances

The Shunhong SHJY-500VA (Model Code: N5001) is an engineered dual-voltage step-down transformer specifically designed to convert standard 220V grid electricity into independent 110V (US standard) and 100V (Japan standard) outputs. Built with over 37 years of specialized transformer manufacturing expertise, this compact converter eliminates the hazard of plug-in cross-voltage errors and bulky adapters. Featuring a premium minimalist sleek white casing, an ultra-quiet toroidal core, and an eight-fold comprehensive safety matrix, it delivers seamless, flicker-free power protection for your imported personal care, styling tools, and sensitive lifestyle electronics.

Core Highlights:
1. Simultaneous Dual-Voltage Independent Output: Dedicated left 110V US socket and right 100V Japan socket operate on isolated circuits, allowing you to power two different international appliances simultaneously without interference.
2. High-Permeability Cold-Rolled Toroidal Core: Delivers high magnetic coupling with minimal excitation loss and negligible voltage sag, shielding delicate microprocessor boards from grid fluctuations.
3. Eight-Layer Multi-Protection Safety Matrix: Equipped with smart thermal overheat cut-off, instant millisecond short-circuit trip, leakage prevention, flame-retardant ABS enclosure, and automatic recovery upon fault clearing.
4. Whisper-Quiet Operation Below 20dB: Closed-loop toroidal construction eliminates annoying electromagnetic hum and buzz, making it ideal for bedrooms, dressing tables, and quiet home offices.
5. 37-Year Heritage & International Safety Certifications: Backed by rigorous factory quality controls and certified by FCC, RoHS, CQC, and CE standards; completely free of liquid cooling or stray magnetic fields for effortless air and high-speed rail travel.

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.

SHJY-300VA 300W Step Down Transformer 220V to 110V Voltage Converter|Shunhong

Engineered by Shunhong—a dedicated transformer manufacturing plant established in 1987—the SHJY-300VA 300W step down transformer brings premium power conversion to modern living. Featuring a sleek white design and modern minimalist aesthetic, this home step down converter seamlessly transforms 220V domestic mains electricity into 110V outputs. Designed specifically for imported American styling tools, personal care devices, and delicate desktop electronics, it replaces clumsy industrial bricks with a vertical upright design that graces your vanity or countertop. Built with multi-layer safety protection, smart thermal sensing, and a detachable power cord, it provides rock-solid continuous voltage stability backed by 38 years of precision engineering and complete OEM/ODM customization capabilities.

• 110V Output Sockets for American Gear: Equipped with a dual outlet panel providing authentic 110V ports, allowing simultaneous or versatile connection for genuine US appliances without cross-voltage overstress.

• Sleek White Design & Vertical Upright Space-Saving Standing Posture: Showcases a modern white aesthetic with a space-saving vertical standing posture, occupying minimal surface area on cosmetic vanities, desks, or nightstands while seamlessly blending into contemporary home decor.

• Detachable Power Cord for Flexible Storage & Global Mobility: Features a detachable power cord with a standardized appliance coupler. Effortlessly detach the removable power cable for tidy packing into luggage, drawer storage, or quick cable replacement whenever needed.

• Multi-Layer Safety Protection with Built-in Fuse & Smart Thermal Cut-Off: Engineered with a comprehensive multi-protection system including built-in fuse protection, smart thermal overheat cut-off sensors, and a fire-resistant shell to prevent over-temperature hazards during extended grooming routines.

• Precision Toroidal Core for Silent Operation & Clean Electrical Purity: Constructed around a high-permeability toroidal core and flame-retardant casing, delivering ultra-low magnetic leakage, minimal idle loss, and whisper-quiet performance ideal for bedrooms and audio listening spaces.

SHGJ-3000VA 3000W Heavy Duty Bidirectional Voltage Converter 220V to 110V & 110V to 220V Transformer

The SHGJ-3000VA is a high-capacity, heavy-duty bidirectional voltage converter engineered for demanding residential and workshop environments, facilitating seamless 220V to 110V and 110V to 220V power transformation. Featuring a massive grain-oriented toroidal silicon steel core, an industrial flame-retardant cold-rolled enclosure, and optimized convection cooling vents, this CE & FCC certified 3000VA transformer delivers robust energy output and generous safety headroom for air fryers, commercial blenders, imported power drills, and premium espresso machines. (Please refer to the Technical Specifications and Appliance Compatibility Guide below for exact continuous load sizing).

• Bidirectional Voltage Converter with Dual-Way Reversible Operation: Effortlessly step down 220V to 110V or step up 110V to 220V through a single heavy-duty selector switch. Features four output sockets (2x US 110V + 2x Universal 220V) to run multiple overseas and domestic appliances concurrently.

• 3000VA Toroidal Muscle with High Efficiency & Generous Power Reserve: Delivers genuine 3000VA apparent capacity with low iron loss and 80% efficiency. Engineered with generous power reserve headroom, effortlessly powering high-draw heating appliances like air fryers, countertop convection ovens, and workshop tools with zero voltage drop. (See technical specifications below for continuous power ratings).

• Ergonomic Heavy-Duty Carrying Handle for 10.5kg Unit Stability: Integrated heavy-gauge top carrying handle is engineered with ergonomic weight distribution. Securely lift and relocate the 10.5kg transformer between garage workshops, kitchen islands, and utility areas with minimal fatigue.

• Flame-Retardant Steel Housing & High-Volume Convection Vents: Precision-formed from cold-rolled steel with a flame-retardant finish. Expanded convective thermal vents maximize chimney-effect air exchange, keeping core temperatures cool 24/7 without noisy cooling fans or mechanical failure risks.

• CE & FCC Safety Dual-Certified with Automatic Overload Protection: Certified to stringent CE and FCC international electromagnetic and safety standards. Equipped with an industrial-grade automatic circuit breaker that instantly trips during short circuits, with instant push-button reset convenience.

SHGJ-2000VA 2000W Bidirectional Voltage Converter 220V To 110V & 110V To 220V Step Up Down Transformer

The SHGJ-2000VA bidirectional voltage converter is our flagship household transformer, featuring reversible 220V to 110V step-down and 110V to 220V step-up capability, engineered with abundant power reserve for high-draw appliances. Constructed with an ultra-dense cold-rolled toroidal silicon core, heavy-gauge flame-retardant steel housing, and fanless convection cooling vents, this CE & FCC certified converter flawlessly powers kitchen blenders, espresso machines, ionic hair dryers, and household apparatus. (Please refer to the Technical Specifications and Appliance Compatibility Guide below for detailed continuous load sizing).

• Reversible Voltage Conversion & Worldwide Universal Compatibility: Seamlessly converts 220V utility grids down to 110V or steps up 110V to 220V via the precision rear selector. Features simultaneous dual output sockets to power imported American, Japanese, and European electronics with zero hassle.

• 2000VA Toroidal Power Core with High Efficiency & Generous Power Reserve: Utilizes a low-loss seamless toroidal core ensuring high transmission efficiency. Engineered with generous power reserve headroom, easily handling high-heat coffee machines, blenders, hair dryers, and kitchen appliances with sustained reliability. (See technical specifications below for continuous power ratings).

• Ergonomic Carrying Handle for Effortless Countertop Mobility: Engineered with a reinforced, heavy-duty ergonomic handle integrated directly into the upper casing. Effortlessly move the 7.9kg transformer between kitchen islands, master bathrooms, and utility areas with comfort and stability.

• Flame-Retardant Steel Housing & Natural Convection Cooling Vents: Fabricated from heavy-duty industrial cold-rolled steel with a fire-resistant powder coat. Symmetrical convection cooling vents promote continuous chimney-effect air exchange, dissipating heat silently without fan hum or maintenance issues.

• CE & FCC Safety Dual-Certified with Automatic Overload Reset Breaker: Fully compliant with European CE and US FCC electrical safety directives. The built-in push-to-reset circuit breaker automatically isolates current if an overload or short circuit occurs, protecting both your home wiring and premium appliances.

SHGJ-1000VA 1000W Bidirectional Voltage Converter 220V to 110V & 110V to 220V Step Up Down Transformer

The SHGJ-1000VA bidirectional voltage converter is a heavy-duty, reversible step-up and step-down power transformer engineered for international home and office electronics. Equipped with an ultra-efficient toroidal core, robust flame-retardant housing, and silent convection cooling vents, this CE & FCC certified converter flawlessly powers imported audio equipment, desktop PCs, laser printers, food processors, and home medical devices across 110V and 220V electrical systems globally. (Please see the Technical Specifications and Appliance Matching Guide below for continuous power guidelines).

• Dual-Way Reversible Conversion (220V ⇄ 110V Global Compatibility): Effortlessly convert 220V down to 110V or step up 110V to 220V via the rear selector switch. Universal socket configuration allows North American, European, and Asian appliances to plug in simultaneously without adapter clutter.

• 1000VA Heavy-Duty Toroidal Core with Clean Electromagnetic Shielding: Built with high-permeability cold-rolled grain-oriented silicon steel for high electrical efficiency. Delivers clean, uncolored power without humming, providing reliable voltage stability for sensitive Hi-Fi audio amplifiers, CPAP machines, and computing equipment. (See technical specifications below for continuous power ratings).

• Integrated Ergonomic Carrying Handle & Sturdy Portable Build: Features a heavy-gauge, recessed ergonomic carrying handle designed for balanced load distribution. Weighing 4.8kg, it can be smoothly transported between sound rooms, home offices, and living rooms with complete ease.

• Fire-Resistant Cold-Rolled Casing with Convective Thermal Dissipation: Full-metal fire-retardant housing withstands high ambient temperatures and accidental impacts. Precision convection cooling louvers allow heat to radiate naturally without noisy fans, maintaining low thermal rise during prolonged multi-hour sessions.

• CE & FCC Double Safety Certified with Auto-Reset Breaker: Fully certified by CE and FCC regulatory standards for international electrical reliability. Outfitted with an automatic overload circuit breaker that prevents short circuits, overvoltage spikes, and transformer overheating with convenient push-button reset.

SHGJ-5000VA 5000W Heavy Duty Bidirectional Voltage Converter 220V to 110V & 110V to 220V Transformer

The SHGJ-5000VA is the apex heavy-duty bidirectional voltage converter in the series, engineered to handle heavy residential and light commercial loads, featuring reversible 220V to 110V and 110V to 220V transformation. Built with an oversized cold-rolled toroidal silicon steel core, heavy-duty industrial flame-retardant steel casing, and passive convective cooling vents, this CE & FCC certified 5000VA transformer is the ultimate power backbone for whole-house cross-border relocations, Sub-Zero American refrigerators, commercial espresso suites, and heavy workshop machinery. (Please refer to the Technical Specifications and Appliance Compatibility Guide below for detailed continuous load sizing).

• Ultimate Bidirectional Voltage Converter (220V ⇄ 110V Universal Compatibility): Features a heavy-amperage input voltage selector for effortless 220V to 110V step-down and 110V to 220V step-up transformation. Four reinforced multi-standard safety sockets (2x US 110V + 2x Universal 220V) allow multiple heavy-draw appliances to operate simultaneously.

• 5000VA Oversized Toroidal Core with Massive Headroom & Low Idle Loss: Constructed with an industrial-grade grain-oriented toroidal core for 98% efficiency and ultra-low magnetizing losses. Engineered with oversized power headroom to sustain heavy-duty loads with massive startup surge buffer for large compressors and induction motors. (See technical specifications below for continuous power ratings).

• Reinforced Ergonomic Metal Handle for Secure 16.5kg Mobility: Equipped with dual heavy-duty top carrying handles welded to the internal steel framework. Ergonomic curved grips ensure balanced lifting and positioning of the 16.5kg unit during overseas packing, container loading, and home setup.

• Flame-Retardant Steel Housing & Dual-Flank Convection Cooling Vents: Engineered from heavy-gauge industrial cold-rolled steel with superior fire-retardant electro-coating. Expansive convection cooling louvers generate passive chimney thermal dissipation, venting immense core heat silently without failure-prone fans.

• CE & FCC Safety Dual-Certified with Heavy-Duty Automatic Circuit Breaker: Thoroughly tested and certified under CE and FCC international electrical directives. Outfitted with an industrial-grade automatic circuit breaker that instantly trips during massive voltage spikes or dead shorts, restoring power with a single push-button reset.

SHGJ-4000VA 4000W Reversible Voltage Converter 220V to 110V & 110V to 220V Step Up Down Transformer

The SHGJ-4000VA is a high-output, commercial-grade bidirectional voltage converter engineered for demanding appliances and workshop equipment, facilitating reliable 220V to 110V and 110V to 220V power conversion. Powered by a heavy-gauge toroidal silicon core, enclosed in a flame-retardant cold-rolled steel chassis, and cooled by natural convection air vents, this CE & FCC certified 4000VA transformer provides generous headroom and thermal stability, making it the supreme choice for commercial induction cookers, ovens, and workshop machinery. (Please refer to the Technical Specifications and Appliance Compatibility Guide below for detailed continuous load sizing).

• Bidirectional Voltage Converter & Step Up & Step Down (Dual-Way): Features a heavy-current selector switch for effortless 220V to 110V and 110V to 220V transformation. Four rugged output sockets (2x US 110V + 2x Universal 220V) allow simultaneous connection of high-power imported appliances without adapters.

• 4000VA Toroidal Heavy-Duty Capacity with Superior Thermal Management: Engineered with premium toroidal core architecture delivering 98% efficiency with minimal idle power consumption. Heavy-duty power reserve easily powers commercial ovens, table saws, and simultaneous kitchen appliances with enduring stability. (See technical specifications below for continuous power ratings).

• Integrated Ergonomic Handle for Confident 13.2kg Transportation: Built with an extra-reinforced ergonomic metal carrying handle directly welded to the chassis frame. Safely move and position this 13.2kg commercial transformer between workshops, commercial kitchens, and utility closets with balanced control.

• Flame-Retardant Steel Housing & Convection Thermal Dissipation: Housed in cold-rolled industrial steel finished with fire-resistant electrostatic coating. Extensive multi-directional convection cooling vents disperse thermal buildup naturally without fan vibration, bearing wear, or noise.

• CE & FCC Safety Dual-Certified with Automatic Heavy-Load Breaker: Meets demanding CE European and FCC American compliance standards. Integrated heavy-duty push-to-reset breaker protects against unexpected short circuits and massive current surges, resetting in seconds without fuse replacements.

SHGJ-1500VA 1500W Reversible Step Up Down Transformer 220V to 110V & 110V to 220V Converter

The SHGJ-1500VA is a high-performance, bidirectional voltage converter designed for versatile 220V to 110V and 110V to 220V electrical transformation. Engineered with a low-loss toroidal silicon core, a heavy-duty flame-retardant steel chassis, and passive convection cooling vents, this CE & FCC certified 1500VA transformer is the reliable power backbone for imported kitchen appliances and home electronics worldwide. (Please refer to the Technical Specifications and Appliance Matching Guide below for exact continuous load guidelines).

• Bidirectional Voltage Converter & Step Up & Step Down (Dual-Way): Features a robust dual-directional circuit allowing you to step down 220V to 110V or step up 110V to 220V via a single switch. Seamlessly run American appliances in Europe/Asia or power domestic equipment in North America.

• 1500VA Toroidal Capacity with Superior Thermal Management: Provides 1500VA apparent power backed by high-density toroidal copper windings for low idle power consumption. Accommodates drip coffee machines, rice cookers, and kitchen electronics with generous operating margins, running cool and quiet. (See technical specifications below for continuous power ratings).

• Ergonomic Portable Carry Handle for Safe Kitchen Relocation: Designed with a rugged metal carrying handle smoothly integrated into the top frame. Enables easy lifting and positioning of the 6.2kg transformer on kitchen countertops, dining islands, or utility rooms with stable grip.

• Flame-Retardant Steel Housing & Fanless Air Convection Cooling: Enclosed in heavy-gauge, fire-retardant cold-rolled steel. Dual-side convection cooling vents utilize natural thermodynamic airflow to disperse heat silently 24/7 without vibrating fans, dust suction, or component wear.

• CE & FCC Double Safety Certified with Push-Button Circuit Breaker: Meets stringent CE and FCC international safety standards for electromagnetic compatibility and insulation. Equipped with a resettable circuit breaker that instantly trips during overloads, shielding valuable kitchen appliances from power surges.

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

Using US Appliances in Europe: A 220V To 110V Transformer Guide

You need a step-down transformer if your appliance label reads something like 120V or 110-120V with no range — hair dryers, curling irons, coffee makers, stand mixers, most US kitchen tools.A plug adapter is enough if the label reads 100-240V, 50/60Hz — laptop bricks, phone chargers, camera chargers

12 October 2026

ShunHong Electric: Voltage Transformer Manufacturer Since 1987

ShunHong Electric is a privately owned manufacturer of voltage transformers and converters, founded in 1987 and based in Foshan, Guangdong, China. For 39 years the company has done one thing end to end: research, development, production and sales of voltage conversion equipment — with more than 10 m

22 May 2026

ShunHong Electric Marks 39 Years of Voltage Converter Manufacturing

28 October 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!

VOLTAGE CONVERTER& Transformer
Manufacturer in China

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

QUICK LINKS

PRODUCTS CATEGORY

SIGN UP FOR OUR NEWSLETTER

whatapp

VOLTAGE CONVERTER& Transformer Manufacturer in China

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

QUICK LINKS

PRODUCTS CATEGORY

SIGN UP FOR OUR NEWSLETTER

whatapp

VOLTAGE CONVERTER& Transformer
Manufacturer in China