SHJY-800VA（copper）
Shunhong
TN8001
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Product Features & Benefits
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Specially engineered for American and Japanese electronics in 220V power regions, the Shunhong (Copper) SHJY-800VA (TN8001) provides precise step-down conversion from 220V wall power down to dedicated 110V (US) and 100V (Japan) outputs. Encased in a sleek white fire-resistant ABS housing, it safely powers health tea kettles, food warmers, ionic styling tools, and air purifiers without electrical strain.
Dual-Port Bilateral 110V & 100V Synchronous Output: Powers US & Japanese Appliances Together
Unlike ordinary single-voltage converters, the (copper)SHJY-800VA incorporates two independent Japanese/US 3-prong sockets on opposing flanks. Both lines feature isolated circuitry that delivers simultaneous 110V and 100V power to two imported appliances without voltage dips or cross-interference.
100% Pure Copper Toroidal Core: Far Superior Electrical Efficiency & Minimal Heat
Features a premium cold-rolled grain-oriented toroidal silicon steel core wound with high-purity pure copper coil. Low internal resistance ensures minimal thermal rise and superior conversion efficiency. Idle no-load current is barely ~10mA, filtering domestic grid interference to protect high-end overseas devices.
One-Touch Physical Rocker & Bright Status LED: Safe Control Without Repetitive Unplugging
Operates via a solid mechanical power switch paired with an illuminated indicator. Turn power on or off in a single click without having to repeatedly pull plugs in and out of wall receptacles, eliminating sparking, cord strain, and socket loosening.
Whisper-Quiet (<20dB) Dual-Sided Convective Dissipation: Silent Living in Any Room
Engineered with dual-sided convection cooling slots that create natural airflow based on internal temperature differentials. Runs without cooling fans, keeping acoustic sound levels under 20dB so it never interrupts conversations, TV viewing, or sleep.
Flame-Retardant ABS+PC Casing & Molded 1.2m Power Cord: Durable & Safe
Constructed from high-strength, flame-retardant ABS+PC engineering plastic that resists high heat, impact, and chemical stains. Paired with an integrated 1.2m molded power cable with heavy-gauge copper wiring for superior durability across long years of kitchen use.
Factory-Grade Quality Control with 37-Year Lineage & International Certifications
Manufactured under rigorous factory quality control since 1987. Each unit undergoes strict voltage calibration, full-load thermal testing, and 8-fold safety validation before shipment. Fully compliant with CE, RoHS, FCC, and CQC international standards.
Made of pure copper material
110V/100V output transformer 
Thermal protection
Flame retardant protection
Short-circuit protection
Portable handle and hook
Technical Specifications
| Product Model | (copper)SHJY-800VA | Merchant SKU Code | TN8001 | |
| Rated Apparent Power | 800VA (Pure Copper Peak Capacity) | Core & Winding Architecture | 100% Pure Copper Toroidal Windings + Cold-Rolled Silicon Steel Core | |
| Voltage Transformation Direction | 220V to 110V & 100V Dual Output | Frequency | 50Hz / 60Hz | |
| Net Weight | Approx. 3.80 kg (8.38 lbs) | Gross Weight (With Box) | Approx. 4.20 kg (9.26 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 Sockets (Left US 3-Prong 110V + Right Japan 3-Prong 100V) | |
| Power Conversion Efficiency | ≥ 90% (Pure Copper Minimal Internal Impedance & Thermal Loss) | No-Load Current | Approx. 10mA (Ultra-low idle standby power) | |
| 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; Aviation & High-Speed Rail Compliant |
Compatible Devices & Applications
US 110V & Japanese 100V Medium Kitchen Cookware,
Tea Kettles, Food Warmers & Salon Styling Tools
Recommended Continuous Load Under 640W
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The (copper)SHJY-800VA possesses a nominal rating of 800VA. Under continuous operation , standard electrical engineering practice recommends keeping continuous appliance wattage under 640W . 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
How does the pure copper winding in the (copper)SHJY-800VA benefit continuous daily heating appliances?
Continuous heating appliances (like glass tea kettles or food warmers) run for 30 to 60 minutes, placing intense thermal demand on transformer coils. The pure copper shjy-800va 220v to 110v 100v transformer uses 100% pure copper with low internal resistance, dissipating heat much faster and keeping operating temperatures cool without thermal degradation.
What is the exact maximum continuous appliance wattage permitted on the (copper)SHJY-800VA (Merchant SKU: TN8001)?
While the maximum peak apparent capacity is 800VA, for safe continuous operation exceeding 30 minutes, continuous load is recommended under 640W. This 20% safety margin accounts for heat dissipation and power factor variations. The copper shjy-800va step down voltage converter dual socket is ideal for medium kitchenware under 640W.
Can I connect two appliances simultaneously, such as a 300W US coffee maker on the 110V port and a 150W Japanese air cleaner on the 100V port?
Yes, absolutely. The (copper)SHJY-800VA is designed specifically for this dual-voltage dual-device setup. The combined wattage of 450W (300W + 150W) operates comfortably below the 640W continuous limit. The dual outlet 110v 100v pure copper step down converter provides isolated power across both ports.
Is the flame-retardant ABS housing of the (copper)SHJY-800VA safe for hot, humid kitchen countertop environments?
Yes. The enclosure is molded from industrial V-0 fire-rated ABS+PC engineering plastic that resists open flame ignition, moisture, and cooking grease splashes. The flame retardant pure copper 220v to 110v voltage converter 800va maintains structural integrity across diverse domestic kitchen conditions.
