1. Introduction
This manual provides essential information for the safe and effective use of your KFD 12V Universal Power Supply. This power adapter is designed to provide a stable 12V 5A 60W output, making it suitable for a wide range of electronic devices requiring a 12V DC input, including various game consoles, network attached storage (NAS) devices, monitors, printers, and other compatible electronics. It features multiple interchangeable DC connector tips to ensure broad compatibility.
Image: The KFD 12V Universal Power Supply, showing the main adapter unit, power cord, and a set of 10 interchangeable DC connector tips.
2. Safety Information
For your safety and to ensure proper operation, please read and adhere to the following safety guidelines:
- Certifications: This power supply is UL, CE, FCC, and RoHS certified, indicating compliance with recognized safety and environmental standards.
- Protection Features: The adapter incorporates multiple safety protections:
- OVP (Over Voltage Protection): Prevents damage from excessive output voltage.
- OCP (Over Current Protection): Protects against damage from excessive output current.
- SCP (Short Circuit Protection): Safeguards against short circuits.
- Over Temp Protection: Prevents overheating of the adapter.
- Surge Protection: Protects connected devices from power surges.
- Usage Environment: Use the adapter in a dry, well-ventilated area. Avoid exposure to moisture, extreme temperatures, or direct sunlight.
- Handling: Do not disassemble, modify, or attempt to repair the adapter. Refer all servicing to qualified personnel.
- Compatibility: Ensure the voltage and current requirements of your device match the output specifications of this power supply (12V 5A 60W). Using an incompatible adapter may damage your device.
- Cable Care: Do not pull on the power cord to disconnect it from the outlet. Always grasp the plug firmly. Avoid placing heavy objects on the cord or kinking it.
Image: Close-up of the power cord showing the UL Listed certification mark, indicating compliance with safety standards.
Image: A visual representation of the built-in safety protections, including over-charge, over-voltage, short-circuit, over-current, and over-temperature protection.
3. Setup
Follow these steps to set up your KFD Universal Power Supply:
- Identify Device Requirements: Before connecting, confirm the input voltage (12V) and current (up to 5A) requirements of your electronic device. Also, verify the correct DC connector size and polarity (typically positive center).
- Select the Correct Tip: The power supply comes with 10 selectable DC connector tips. Carefully choose the tip that perfectly matches the DC input port of your device. Refer to the diagram below for tip dimensions.
Image: A detailed view of the 10 different DC connector tips provided, each labeled with its specific dimensions (e.g., 6.5*4.4mm, 5.5*2.5mm, 3.5*1.35mm).
Image: An informational graphic explaining two procedures for finding the right AC adapter: confirming output power (e.g., xxxV yyA) and confirming the DC connector of the device.
- Attach the Tip: Firmly attach the selected DC connector tip to the output cable of the power supply. Ensure it is securely seated.
- Connect to Device: Plug the attached DC connector tip into the input port of your electronic device.
- Connect to Power Outlet: Plug the AC power cord into a standard wall outlet (100-240V AC, 50/60Hz).
- Verify Connection: Once connected, the power supply's indicator light (if present) should illuminate, and your device should power on or begin charging.
4. Operation
The KFD Universal Power Supply operates automatically once connected to a compatible device and a power source. It provides a stable 12V DC output. No user intervention is required during normal operation.
- Ensure the power supply is placed in an area with adequate ventilation to prevent overheating.
- Avoid overloading the power supply by connecting devices that exceed its 60W (5A) capacity.
- Disconnect the power supply from the wall outlet when not in use for extended periods.
Image: An illustration demonstrating the wide range of devices compatible with the KFD 12V Universal Power Supply, including speakers, LED strips, monitors, lamps, routers, and printers.
5. Maintenance
Proper maintenance ensures the longevity and reliable performance of your power supply:
- Cleaning: Disconnect the power supply from the wall outlet and the device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the power supply in a cool, dry place, away from direct sunlight and moisture. Coil the cables loosely to prevent kinking or 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 unit.
6. Troubleshooting
If you encounter issues with your KFD Universal Power Supply, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to device |
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| Power supply gets hot |
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| Intermittent power |
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If the problem persists after trying these steps, please contact KFD customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | KFD |
| Input Voltage | 100-240V AC, 50/60Hz (Worldwide Input) |
| Output Voltage | 12V DC |
| Output Current | 5A Max |
| Output Wattage | 60W Max |
| Connector Size | 5.5*2.1mm (with 10 selectable tips) |
| Selectable Tips Included | 6.5*3.0mm, 6.5*4.4mm, 5.5*3.0mm, 5.5*2.5mm, 4.8*1.7mm, 4.0*1.7mm, 3.5*1.35mm, 3.0*1.0mm, 2.5*0.7mm, Green Tip (LED Connector) |
| Safety Certifications | UL, CE, FCC, RoHS |
| Protection Features | OVP, OCP, SCP, Over Temp Protection, Surge Protection |
| Item Weight | Approximately 12.3 ounces (348 grams) |
| Package Dimensions | 5.55 x 4.49 x 1.77 inches (14.1 x 11.4 x 4.5 cm) |
| Compatible Devices (Examples) | Sony PS4 Playstation 4 PSVR/PSVR2, Synology DiskStation NAS (DS218+, DS216J, DS214, etc.), MSI Optix Monitors (MAG240CR, MAG270VC, etc.), Zebra ZQ Printers, Arcade1up Game Machines, JBL PartyBox Speakers, Dell/AOC/BenQ/Acer Monitors, Security Cameras (CCTV, NVR, DVR), LED Strip Lights, Routers, Speakers, Audio-Technica Turntables, and many other 12V devices. |
8. Warranty and Support
KFD stands behind the quality of its products.
- Warranty: This product comes with a 36-month (3-year) warranty from the date of purchase.
- Free Exchange: A 30-day free exchange policy is available for any manufacturing defects or performance issues.
- Customer Support: For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact KFD customer service through the retailer's platform or the official KFD website.
