SHJY-800VA
N8003
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Product Features & Benefits
The SHJY-800VA (N8003) is an 800W step-down voltage converter designed to transform 220V grid power to dual 100V Japanese-standard outputs. Manufactured by Shunhong (est. 1987) with full factory OEM/ODM support, it prevents voltage mismatch that risks tripping circuit boards or damaging motor coils.
Dual Bilateral 100V Simultaneous Outlets
Features separate US/Japanese standard 3-prong sockets on both the left and right sides. Each socket supplies independent 100V power without cross-interference, allowing two appliances—such as a tea kettle and a food warmer—to run simultaneously on one converter.
Toroidal Silicon Steel Core with Low-Loss Winding for Steady Voltage
Utilizes high-grade grain-oriented cold-rolled silicon steel in a toroidal configuration paired with tight aluminum wire coils. Delivers low internal resistance, low running temperatures, and an ultra-low standby current of ~10mA, filtering grid harmonics to preserve your appliances.
One-Touch Rocker Activation with Integrated Molded Heavy-Duty Power Cord
Equipped with a solid physical rocker switch and high-visibility status LED, enabling instant 220V-to-100V conversion with zero preheating. Connected to a 1.2m molded flame-retardant power cord with high-conductivity copper core that eliminates loose plug connections.
8-Fold Full-Spectrum Safety Protection Array with Auto-Recovery
Built-in safety network includes thermal cut-off sensor, millisecond short-circuit trip, anti-EMC interference shielding, leakage isolation, flame-retardant shell, bilateral convective vents, non-slip base, and automatic restart upon troubleshooting.
Whisper-Quiet (<20dB) Natural Convective Dissipation & Travel Compliance
Bilateral ventilation slits generate a natural chimney cooling convection cycle without noisy fans, maintaining operating noise below 20dB. Weighing approximately 3.4kg without magnetic components or liquid media, it conforms to international aviation and rail security rules.
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(N8003) | Rated Apparent Power | 800VA | |
| Voltage Transformation Direction | 220V to Dual 100V Step-Down | 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 Power Cable | Output Socket Layout | Bilateral Dual 100V Sockets | |
| Core & Winding Architecture | High-Flux Cold-Rolled Toroidal Silicon Steel + Precision Aluminum Coil | Power Conversion Efficiency | ≥ 80% | |
| No-Load Current | Approx. 10mA | Maximum Rated Current | 2.5A - 4.0A Max Load Current | |
| Safety Protection System | Thermal Cut-Off, Short-Circuit, Anti-EMC, Leakage Lock, Fireproof | 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, CQC Certified | Recommended Continuous Duty | Recommended Continuous Load Under 640W |
Compatible Devices & Applications
Compatible Japanese 220V Appliance

Recommended Continuous Load Under 640W
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The SHJY-800VA has an 800VA apparent power capacity. For continuous operation lasting over 30 minutes, standard electrical engineering practice recommends keeping continuous appliance wattage under 640W (80% continuous threshold). For heating appliances such as tea kettles and steam irons, ensure the rated wattage does not exceed 640W. | |
How to Use This Voltage Converter

Frequently Asked Questions About Voltage Converters
Can I safely run an imported Japanese 100V glass tea kettle on the SHJY-800VA in China?
Yes, absolutely. Most popular Japanese domestic wellness glass kettles and tea makers draw between 300W and 550W. Since the Shunhong shjy-800va 220v to 100v step down transformer supports continuous loads up to 640W, it powers your kettle effortlessly without tripping breakers or overheating during prolonged simmering cycles.
What is the exact maximum continuous appliance wattage permitted on the SHJY-800VA (N8003)?
While the maximum peak apparent capacity is 800VA, for safe continuous operation exceeding 30 minutes, continuous load is recommended under 640W. This 20% safety buffer accounts for thermal management and power factor variations. The SHJY-800VA step down voltage converter 100v dual socket is ideal for medium kitchenware under 640W.
Can I connect two appliances simultaneously, such as a 300W food warmer and a 100W air purifier?
Yes. The SHJY-800VA is engineered with bilateral dual 100V sockets precisely for this dual-device scenario. With a combined wattage of 400W (300W + 100W), it operates comfortably below the 640W continuous limit. The dual outlet 100v step down converter for imported appliances provides isolated power across both ports.
Is the flame-retardant ABS housing of the SHJY-800VA safe for hot, humid kitchen countertop environments?
Yes. The enclosure is molded from industrial fire-rated ABS+PC engineering plastic that resists open flame ignition, moisture, and cooking grease splashes. The flame retardant 220v to 100v voltage converter 800va maintains structural integrity across diverse domestic kitchen conditions.