SHJY-800VA
ShunHong
N8004
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Product Features & Benefits
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Specially tuned for Japan’s 100V grid (50Hz/60Hz), the Shunhong SHJY-800VA (N8004) seamlessly converts local power into dual stable 220V outputs. Styled in a sleek white space-saving casing, this mid-capacity step-up transformer allows you to use your favorite Chinese, British, or European wellness kettles, ionic hair styling tools, heated lunch boxes, and compact steamers anywhere in Tokyo, Osaka, and beyond.
Dedicated Japan 100V Grid Adaptation (50Hz / 60Hz Dual-Zone)
Engineered to automatically accommodate both 50Hz (Eastern Japan, Tokyo/Yokohama) and 60Hz (Western Japan, Osaka/Kyoto/Nagoya). Steps fluctuating 100V power smoothly up to stable 220V sine-wave power without distortion.
Heavy-Duty Toroidal Coil: High Efficiency & Ultra-Quiet Operation
Built with high-permeability cold-rolled silicon steel and precision aluminum toroidal windings. Achieves over 90% full-load efficiency and an ultra-low 10mA idle current, running under 20dB for peaceful living quarters.
Dual Bilateral 220V Outlets: Zero Interference Layout
Left and right opposing outlets prevent mutual physical interference between large power adapters, allowing you to run two compatible lifestyle appliances at the same time.
Integrated 1.2m Japanese Cord (Heavy Strain-Relief Boot)
Molded directly into the transformer body with a 0.5mm² wire gauge. Eliminates the risk of cord pull-out, loose pin connections, or connector sparking found in modular cord designs.
Eight-Fold Active & Passive Defense Architecture
Combines flame-retardant housing, auto-resetting smart thermal cut-off sensor, overload trip, short-circuit disconnect, anti-leakage grounding insulation, anti-interference filter, and non-slip feet.
Airline Checked Baggage Certified & 38-Year Factory Heritage
Produced by Foshan Shunhong Transformer (since 1987) with full CE, RoHS, and CQC compliance. Zero lithium batteries or liquid components make it 100% compliant for airline luggage check-in.
Dual 220V output transformer
Power button
Short-circuit protection
Bilateral convective heat dissipation
Flame retardant protection
Temperature control protection
Technical Specifications
| Product Model | SHJY-800VA(N8004) | Rated Apparent Power | 800VA (Peak Capacity) | |
| Voltage Transformation Direction | 100V to 220V Step-Up | Frequency | 50Hz / 60Hz | |
| Net Weight | Approx. 3.40 kg (7.50 lbs) | Gross Weight | Approx. 3.75 kg (8.27 lbs) | |
| Product Dimensions (L×W×H) | 19.0 × 15.0 × 6.5 cm (7.48 × 5.91 × 2.56 in) | Package Dimensions (L×W×H) | 26.0 × 25.0 × 14.0 cm (10.24 × 9.84 × 5.51 in) | |
| Input Connection Type | Integrated Japanese Standard 2-Prong Plug (1.2m Cord, 0.5mm²) | Core & Winding Architecture | High-Flux Cold-Rolled Toroidal Silicon Steel + Precision Winding | |
| Power Conversion Efficiency | ≥ 90% | No-Load Current | Approx. 10mA | |
| Maximum Rated Current | 4.0A Max Load Current | Safety Protection System | 8-Fold: Thermal Cut-Off, Overload, Short-Circuit, V-0 Flame Retardant | |
| Enclosure Material & Finish | High-Impact Flame-Retardant ABS+PC Engineering Plastic | Cooling Method | Dual-Sided Convective Ventilation Slots | |
| Control Interface | Heavy-Duty Rocker Switch + High-Luminance LED Power Indicator | Compliance & Quality Standards | CE, RoHS, FCC |
Compatible Devices & Applications
Compatible Chinese & European 220V Appliances
Recommended Continuous Load Under 640W
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Safety Buffer & Prohibitions The SHJY-800VA possesses a nominal rating of 800VA. Under continuous operation (over 30 minutes), the total load should strictly remain below 640W (80% continuous threshold). For heating appliances such as tea kettles and steam irons, ensure the rated wattage does not exceed 640W. DO NOT connect high-draw kitchen appliances like 1200W+ induction cookers, large rice cookers, or high-power microwaves to this unit. If you plan to power high-heat kitchenware, choose the 2000VA or 3000VA models. | |
How to Use This Voltage Converter
Frequently Asked Questions About Voltage Converters
Q1: Can I use a Chinese 220V multi-function wellness tea kettle in Japan using the SHJY-800VA(N8004)?
A: Yes, absolutely. Most popular Chinese wellness glass kettles and stew cups consume between 300W and 600W. Since the #shunhong shjy-800va japan step up transformer supports up to 640W continuous load, it powers your kettle reliably, allowing boiling, simmering, and temperature maintenance without blowing fuses.
Q2: How does the SHJY-800VA(N8004) compare to the smaller 500VA model in terms of load margin?
A: The SHJY-800VA(N8004) boosts continuous safe output from 400W up to 640W, expanding compatibility to cover handheld steamers, medium-power hair dryers, medical CPAP devices, and tea stewers. The shjy-800va(N8004) 100v to 220v voltage converter retains the same sleek 19x15x6.5cm footprint, delivering 60% more power while remaining portable.
Q3: Can I run a 220V salon hair dryer on the SHJY-800VA(N8004) in my Tokyo hotel room?
A: You can run ionic or travel hair dryers on gentle/medium heat settings (below 640W). However, if your hair dryer runs at 1600W-2200W on maximum heat, you must not use the 800VA model; you should upgrade to our SHJY-2000VA(N20004) or SHJY-3000VA(N30004) step-up converters to handle the high heat coils safely. The #step up transformer for ionic hair dryer in japan ensures proper pairing.
Q4: Does the SHJY-800VA(N8004) stay quiet during all-night operation with medical CPAP machines or humidifiers?
A: Yes. Thanks to its tightly wound toroidal cold-rolled silicon steel core, operating noise is rated under 20dB—comparable to a gentle whisper. The smart thermal protection 800va step up transformer eliminates electromagnetic buzzing, making it completely nightstand-friendly.
