1. Introduction
This instruction manual provides essential information for the proper installation, operation, and maintenance of your YUSTDA AC/DC Adapter, Model TNS30W-xy. Please read this manual thoroughly before using the product to ensure safe and efficient performance. Keep this manual for future reference.
2. Product Overview
The YUSTDA AC/DC Adapter (Model TNS30W-xy) is a high-quality power supply designed to provide reliable power to compatible electronic devices, such as the Remington PA-3215E. It features a wide input voltage range for global use and incorporates multiple safety protections.

Figure 2.1: Front view of the YUSTDA AC/DC Adapter, highlighting the two-prong plug and the product label with specifications.
Key Features:
- Worldwide Input Voltage: Supports 100-240VAC, 50/60Hz, allowing for international use.
- Compatibility: Designed as a replacement AC adapter/charger, 100% compatible with the Remington PA-3215E and similar devices.
- Extended Cord Length: Features a 6.5-foot long power cord for flexible placement.
- Robust Safety Features: Includes over current protection, total power protection, over voltage protection, and short circuit protection.
- Quality Construction: Manufactured with high-quality materials and certified by FCC, CE, and RoHS standards.

Figure 2.2: Illustration of the adapter's power cable construction, emphasizing high-quality copper wire and PVC insulation for durability and safety.
3. Safety Information
To prevent injury or damage to the product, always observe the following safety precautions:
- Do not expose the adapter to water or excessive moisture.
- Do not disassemble or attempt to repair the adapter. Refer all servicing to qualified personnel.
- Ensure the adapter is used within its specified input and output voltage ranges.
- Avoid placing the adapter in direct sunlight or near heat sources.
- Keep out of reach of children.
- Unplug the adapter during lightning storms or when unused for long periods.
Integrated Safety Protections:

Figure 3.1: Visual representation of the adapter's multiple safety protections, including over-temperature, over-voltage, over-current, and short-circuit safeguards.
- Over Current Protection: Safeguards against excessive current flow.
- Total Power Protection: Prevents damage from exceeding total power capacity.
- Over Voltage Protection: Protects connected devices from voltage spikes.
- Short Circuit Protection: Automatically shuts down power in case of a short circuit.
- Over-Temperature Protection: Prevents overheating of the adapter.
4. Setup
- Verify Compatibility: Ensure your device requires an AC/DC adapter with specifications matching the YUSTDA Model TNS30W-xy (e.g., Remington PA-3215E). Check the input voltage and connector type of your device.
- Connect to Device: Plug the output connector of the YUSTDA adapter firmly into the power input port of your electronic device.
- Connect to Power Outlet: Insert the two-prong plug of the adapter into a standard wall power outlet (100-240VAC, 50/60Hz).
- Power On Device: Once connected, power on your device as usual.

Figure 4.1: The YUSTDA AC/DC Adapter connected to a power strip, demonstrating a typical setup scenario.
5. Operating Instructions
The YUSTDA AC/DC Adapter operates automatically once connected to a power source and a compatible device. No user intervention is required for its basic function.
- Ensure all connections are secure before operating.
- The adapter is designed for continuous operation within its specified limits.
- If the adapter feels excessively hot to the touch, disconnect it immediately and check for proper ventilation or potential issues with the connected device.
6. Maintenance
The YUSTDA AC/DC Adapter requires minimal maintenance to ensure long-term performance.
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly coiling the power cord to prevent damage.
- Inspection: Periodically inspect the power cord and adapter casing for any signs of damage, such as cuts, fraying, or cracks. If damage is found, discontinue use and replace the adapter.

Figure 6.1: The adapter's durable and compact design, engineered for safe and reliable operation over time, making it suitable for home, office, and travel.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. |
|
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| Adapter feels excessively hot. |
|
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| Intermittent power to device. |
|
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8. Specifications
| Model Number | TNS30W-xy |
| Input Voltage | 100-240 VAC, 50/60Hz |
| Compatible Devices | Remington PA-3215E, Laptops (general compatibility, verify specific device requirements) |
| Power Source | Corded Electric |
| Main Power Connector Type | 2 Pin (US standard) |
| Special Features | Short Circuit Protection, Over Current Protection, Over Voltage Protection, Total Power Protection, Over-Temperature Protection |
| Certifications | CE, FCC, RoHS |
| Cord Length | Approximately 6.5 feet (2 meters) |
| Manufacturer | YUSTDA |
| UPC | 069462098611 |
9. Warranty and Support
YUSTDA products are manufactured with high-quality materials and undergo rigorous testing. For warranty information, please refer to the product packaging or your purchase documentation.
If you have any questions, encounter problems, or require technical assistance, please contact our customer support team:
Email: epcustomerservice@yahoo.com
Please provide your product model number (TNS30W-xy) and a detailed description of the issue when contacting support.





