The 800VA Step-down Transformer Converts 220V To 110V/100V, Enabling US Or Canadian Appliances Requiring 110V To Be Used in Europe, Asia。

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Backed by Shunhong’s 38-year heritage of manufacturing excellence (est. 1987), the SHJY-800VA is the premier step-down transformer for home electronics. Designed with a modern white aesthetic and a space-saving vertical profile, this 800W converter effortlessly steps down 220V power to dual 110V (US standard) and 100V (Japan standard) outputs.

• Dual 110V & 100V Precision Outputs: Perfect for sensitive imported gear—from Japanese Hi-Fi audio amplifiers and CPAP devices to air purifiers and hair styling tools.

• Ultra-Quiet Toroidal Core: Delivers low-noise, silent background purity with superior thermal stability.

• Comprehensive Safety & Convenience: Features an integrated 1.2m pure copper power cord, flame-retardant housing, smart thermal sensing, and dynamic overload protection.

• Factory-Backed Reliability: Supported by robust raw material supply chains and OEM/ODM manufacturing capability.

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Note: Please refer to the Technical Specifications and Appliance Compatibility Guide below for continuous load guidelines.

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Compatible Appliance List

Audiophile Hi-Fi Amplifiers, CPAP Breathing Machines & Clean Living Appliances (<640W)

Ensuring the safe, stable and efficient operation of a power transformer is vital to protecting equipment, preventing malfunctions and safeguarding users. Therefore, in the process of using this 500W transformer 220V to 100V/110V, it is essential to follow certain usage precautions and procedures.

Precautions for the use of power transformers
1, waterproof and moistureproof:
As this voltage converter is designed to pass through the internal core accessories, in order to achieve good heat dissipation, its shell is not a large area of waterproof treatment. Therefore, when in use, you should ensure that you stay away from water sources to prevent water intrusion inside the transformer, so as not to cause a short circuit or other safety incidents.

2, heat dissipation and ventilation:
Voltage converter may produce a certain amount of heat during operation, which is a normal phenomenon. In order to maintain its normal operating temperature, should not block the transformer left and right sides of the cooling holes to ensure air circulation to help dissipate heat. If the power transformer is found to be abnormally hot or emit a burning odor during use, it should be stopped immediately and consult a professional.

3, boot check:
Before the first power-on use, the power transformer should be fully inspected. Ensure that the appearance of the machine is intact and undamaged, and the parts are fixed securely. At the same time, the first boot should pay attention to whether there is a strange noise or abnormalities, if any should be stopped immediately to check.

Power transformer use process:
1, check whether the appearance of the voltage converter is complete and spare parts are fixed;
2, connect the voltage converter input plug to the power supply with a voltage of 220V;
3, click the machine switch key, the voltage converter energized;
4, the 110V/100V appliances connected to the voltage converter, and then power on the normal use can be.

1、What certificates do your products have?
*Our voltage converter products have obtained a number of international and domestic certificates, including but not limited to CE certification, ROHS certification, FCC certification and so on. These certifications ensure that our products meet international standards for electrical safety, environmental protection, and electromagnetic compatibility.

2、What products does this voltage converter support?
*This voltage converter mainly supports the use of 110V and 100V electrical equipment, including but not limited to air purifiers, desk lamps, teeth cleaners, breast pumps and other household appliances. In addition, it is also suitable for some office appliances such as small printers, scanners, etc., as well as beauty salon and medical products such as home curling irons, home facial steamers, and home manometers.

3、What after-sales service do you have?
*We provide comprehensive after-sales service, including product consultation, use guidance, fault repair and so on. Our customer service team will be ready to answer your questions and provide technical support. In addition, we also provide warranty service for a certain period of time to ensure your experience.

4、How do I choose the right transformer for my appliance?
*When choosing the right transformer for your appliance, you first need to consider the rated voltage and power of your appliance. Make sure that the output voltage and power of the selected transformer match your appliance. Secondly, consider the frequency and duration of use of the appliance to ensure that the selected transformer can provide stable power output. Finally, consider the brand, quality and price of the transformer and other factors to ensure that you buy a safe and reliable product.

5、What do I need to do before choosing a transformer?
* Before choosing a transformer, you need to know the rated voltage and power of your appliances, in order to buy the right transformer. In addition, you also need to understand the power supply voltage in your area to ensure that the selected transformer can work properly. Also, consider the environment and frequency in which the appliance will be used so that you can choose the right type and brand of transformer. Finally, get information about the brands and prices of transformers available in the market in order to make the right buying decision.