1. Introduction
This manual provides essential instructions for the proper setup, operation, maintenance, and troubleshooting of your SupplySource AC/DC Adapter, model KA12D060040024U. This adapter is designed to provide reliable power to compatible RadioShack devices, specifically those requiring a Class 2 Transformer Power Supply with the specifications of KA12D060040024U or Cat No.: 14-109.
2. Important Safety Information
Please read and understand all safety instructions before using this product. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Input Voltage: Ensure the adapter is connected to a power source within the specified input voltage range of 100-240V.
- Ventilation: When using the adapter for extended periods, ensure it is in a well-ventilated area. Do not cover the adapter or place it on soft surfaces that may block ventilation openings.
- Moisture: Do not expose the adapter to water, rain, or excessive moisture.
- Damage: Do not use the adapter if the cord or plug is damaged. Inspect the adapter regularly for any signs of damage.
- Compatibility: Only use this adapter with devices that match its output voltage and current specifications (DC output and tip size). Using an incompatible adapter may damage your device.
- Overheating: If the adapter becomes excessively hot, disconnect it from the power source and the device immediately.
- Children: Keep the adapter out of reach of children.
This product is manufactured with multiple smart features safeguarding against incorrect voltage (IV), short circuit (SC), and internal overheating (IO). Chargers are certified with CE, FCC, and other relevant standards.
3. Setup Instructions
- Verify Compatibility: Before connecting, confirm that your device requires a power supply with the specifications of the SupplySource KA12D060040024U adapter. Check your device's power input requirements.
- Connect to Device: Insert the barrel connector of the adapter firmly into the power input port of your RadioShack device.
- Connect to Power Outlet: Plug the 2-pin main power connector of the adapter into a standard 100-240V AC wall outlet.
- Power On Device: Once connected, you may power on your device.

Figure 1: The SupplySource AC/DC Adapter with its integrated power cord, ready for connection. This image shows the compact design of the adapter and the length of the attached cable.
4. Operating Instructions
The SupplySource AC/DC Adapter operates automatically once connected to a compatible device and a power source. It provides a stable and efficient current to power your device or charge its internal battery, if applicable.
- Ensure the adapter is securely plugged into both the wall outlet and your device.
- The adapter is designed for continuous use, but proper ventilation is recommended for prolonged operation.
- Disconnect the adapter from the wall outlet when not in use for extended periods.

Figure 2: A close-up view of the adapter's cable, emphasizing its length and construction designed to prevent leakage and ensure stable current delivery.
5. Maintenance and Care
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a dry, soft cloth to wipe the exterior. Do not use liquid cleaners or aerosols.
- Storage: Store the adapter in a cool, dry place when not in use. Avoid extreme temperatures.
- Cable Care: Do not bend, twist, or crimp the power cord excessively. Avoid placing heavy objects on the cord.
- Inspection: Periodically inspect the adapter and its cable for any signs of wear, cuts, or damage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on/charging. |
|
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| Adapter feels hot. |
|
|

Figure 3: Illustration of the built-in safety electronics, including protections against overcharge, overvoltage, short-circuit, overcurrent, and over-temperature, ensuring safe operation.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | KA12D060040024U |
| Brand | SupplySource |
| Input Voltage | 100-240V AC |
| Output | Specific output voltage and current matching KA12D060040024U requirements |
| Connector Type | Barrel Connector |
| Main Power Connector | 2 Pin |
| Compatible Devices | RadioShack devices requiring KA12D060040024U (Cat No.: 14-109) |
| Material | Metal, Plastic |
| Certifications | CE, FCC |

Figure 4: The compact and portable design of the adapter, suitable for various environments such as travel, office, or home use.
8. Warranty Information
This SupplySource AC/DC Adapter comes with a 24-month warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product meets its specified performance. Please retain your proof of purchase for warranty claims.
The warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or use with incompatible devices.
9. Customer Support
For technical assistance, warranty claims, or any questions regarding your SupplySource AC/DC Adapter, please contact your retailer or the manufacturer directly.
When contacting support, please have your product model number (KA12D060040024U) and proof of purchase readily available.