铜SHJY-500VA
ShunHong
TN5002
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Product Features & Benefits
Enterprise whatsapp account: +86-1369069836
Specially engineered for Chinese students, expats, and travelers in North America, the Shunhong (Copper) SHJY-500VA (TN5002) seamlessly converts American 110V mains power into dual synchronized 220V Chinese standard outputs. Housing a 100% pure copper toroidal core inside a sleek white flame-retardant shell, it sits neatly on desks or vanity counters to power imported personal care tools and compact countertop electronics
Dual Isolated 220V Ports: Run Two Domestic Appliances in USA
Traditional step-up transformers offer only a single outlet, forcing users to buy multiple converters or frequently swap plugs. The (copper)SHJY-500VA features dual isolated secondary windings feeding left and right standard China 5-hole sockets. Students and expats can simultaneously power styling tools, electric shavers, or desk gadgets with uncompromised voltage stability.
100% Pure Copper Toroidal Core: Unrivaled Efficiency & Cool Operation
Unlike aluminum-wound transformers prone to resistive voltage sag and excessive heat, this model is wound with premium oxygen-free pure copper wire around a cold-rolled silicon steel ring. Electrical resistance is drastically reduced, delivering over 92% conversion efficiency, zero voltage drop under load, and steady filtration of US grid fluctuations to safeguard sensitive electronics.
One-Touch Instant Voltage Boost: Zero Learning Curve for All Ages
Equipped with an ergonomic physical rocker switch and an intuitive power LED, the unit activates instantly upon connection to US 110V mains without warm-up lag or configuration. Eliminates the need to repeatedly plug and unplug cords, reducing arc sparking and mechanical cord fatigue.
8-Fold Linked Full-Domain Safety: Engineered for Unattended Dorms
A comprehensive safety ecosystem safeguards your home: millisecond-grade short-circuit cutoff, internal thermal overload sensors, electromagnetic radiation suppression, exterior leakage isolation, V-0 self-extinguishing housing, perimeter convection vents, non-slip base, and automatic fault-clearing power restoration.
Acoustically Silent (≤20dB) & Airline Baggage Approved
Precision toroidal manufacturing eliminates 60Hz electromagnetic buzzing, keeping noise levels under 20dB for peaceful sleep. Free of permanent magnets and hazardous liquids, the unit complies with FAA, TSA, and international aviation carry-on and checked luggage standards.
Factory Direct OEM/ODM Customization & Stable Delivery
Originating from our factory established in 1987 with FCC, RoHS, CQC, and CE certifications, we offer customized input plugs (UK, EU, AU) and non-standard output voltages. Stable supply chain guarantees rapid order fulfillment for cross-border e-commerce and bulk procurement.
Made of pure copper material
Dual 220V output transformer
Thermal protection
Flame retardant protection
Short-circuit protection
Portable handle and hook
Technical Specifications
| Product Model | (copper)SHJY-500VA | Merchant SKU | TN5002 | |
| Rated Capacity | 500VA (Pure Copper Core) | Voltage Conversion Direction | 110V to Dual 220V Step Up | |
| Frequnency | 50/60Hz | Input Configuration | US Standard 3-Prong Plug, Integrated 1.2m Flame-Retardant Cable (0.5mm²) | |
| Output Sockets | Left & Right Sides: 2 × China Standard 5-Hole Grounded Sockets | Internal Core Material | 100% Pure Copper Toroidal Windings + Cold-Rolled Silicon Steel Core | |
| Max Through Current | 2.5A | No-Load Standby Current | ~10mA | |
| Efficiency | ≥80% | Housing Material | Grade Fire-Retardant ABS | |
| Net Weight | Approx. 3.80 kg (8.38 lbs) | Gross Weight | Approx. 4.20 kg (9.26 lbs) | |
| Product Dimensions | 19.0 × 15.0 × 6.5 cm (7.48 × 5.91 × 2.56 in) | Packaging Dimensions | 26.0 × 25.0 × 14.0 cm (10.24 × 9.84 × 5.51 in) | |
| Safety Protection System | Thermal Cut-Off, Short-Circuit, Anti-EMI, Leakage, V-0 Fire-Resistant Shell, Convection Vents, Anti-Slip Base, Auto-Reset | Control & Indicator | Physical Heavy-Duty Rocker Switch + LED Power Indicator Light | |
| Compliance & Certifications | FCC, RoHS, CQC, CE Certified | Recommended Continuous Load | Continuous duty recommended under 400W |
Compatible Devices & Applications
Continuous duty recommended under 400W
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Heating elements and electric motor tools generate peak surge power during startup. Ensure continuous running wattage remains within the recommended 400W margin for optimal pure copper longevity. | |
How to Use This Voltage Converter
Frequently Asked Questions About Voltage Converters
Why choose the pure copper (copper)SHJY-500VA over aluminum models for Chinese beauty tools?
High-end Chinese beauty devices and curlers contain delicate micro-heaters and electronic controllers sensitive to voltage sags. The 100% pure copper toroidal core in (copper)SHJY-500VA has significantly lower coil resistance than aluminum, keeping the output at steady 220V under load and preventing thermal degradation.
Can I simultaneously run my Chinese curler and an electric shaver on the dual sockets?
Yes, absolutely. The unit features dual isolated China standard 5-hole sockets fed by independent secondary windings. As long as the combined running power remains within the recommended 400W continuous load threshold, both ports deliver synchronized standard 220V.
Can I pack this transformer in my suitcase when flying from China to the United States?
Yes. The (copper)SHJY-500VA contains no lithium battery, no magnetic components that affect aircraft avionics, and zero liquid fillings. It fully conforms to FAA, TSA, and international aviation carry-on and checked luggage security guidelines.
