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

wahtsapp: +86-13690698363

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.

  
  

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

110V US & 100V Japan Voltage Calibration

Modern Minimalist Casing

Temperature control protection

Overload protection

Flame retardant protection

Silent operation

Compatible Appliance List

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

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.

6、Can I use the SHJY-800VA for my imported ResMed or Philips CPAP machine?

Yes, it is an ideal choice. Most imported CPAP machines with heated humidifiers consume between 65W and 120W (peak around 200W upon heating startup), which is well within the SHJY-800VA safe continuous load of 640W. The pure toroidal core provides quiet, hum-free operation essential for bedroom sleep.

7、Why is the SHJY-800VA recommended for Japanese Hi-Fi audio equipment?

Japanese domestic audio gear (Accuphase, Denon, Marantz, Luxman) is calibrated precisely for 100V AC. The SHJY-800VA provides an authentic right-side 100V socket that prevents the distortion and overheating caused by standard 110V converters. Its low-leakage cold-rolled silicon steel toroidal core preserves clean acoustic fidelity with ~10mA no-load current.

8、Can the SHJY-800VA run 24 hours a day continuously for an air purifier?

Yes, absolutely. The SHJY-800VA is designed for continuous duty within its recommended 640W limit. Typical imported air purifiers draw 40W to 90W. Thanks to bilateral convective air vents and a low-temperature-rise toroidal core, it handles 24/7 continuous duty safely and efficiently.

9、How does the protection system work on the SHJY-800VA against overload or overheating?

The SHJY-800VA is fortified with a multi-protection matrix including a V0 flame-retardant casing, a smart thermal overheat cut-off sensor, and dynamic overload protection. In the event of an abnormal temperature rise or external overload, the safety circuitry acts instantly to safeguard your expensive overseas electronics without fire risks.

10、What is the advantage of the vertical upright standing design on the SHJY-800VA?

Compared to conventional bulky horizontal converters that consume excessive shelf or desk space, the vertical upright standing design reduces table footprint by up to 55%. Its sleek white aesthetic integrates cleanly into modern bedrooms, living rooms, and office setups