1. Introducció
Thank you for choosing the KFD 12V AC DC Adapter Charger. This manual provides essential information for the safe and efficient use of your new power supply. Please read this manual thoroughly before using the product and retain it for future reference.

Figure 1.1: KFD 12V AC DC Adapter Charger with US power cord and DC output cable.
2. Característiques del producte
- Vol d'entrada àmpliatage: Supports World Wide Input Voltage 100-240VAC 50/60Hz, making it suitable for international use.
- Sortida estable: Provides a stable 12V 3A (36W) output, ensuring consistent power delivery to your device.
- Protecció avançada: Equipped with OVP (Over Voltage Output Protection), OCP (Over Current Output Protection), and SCP (Short Circuit Output Protection) for enhanced safety and device longevity.
- High Quality Materials: Constructed with high transmission thinned copper wire for reliable and safe operation.
- Disseny compacte: Slim and lightweight design, ideal for travel and easy portability.
Figure 2.1: Illustration of high transmission thinned copper wire and safety certifications (UL, CE, RoHS).
3. Especificacions
| Especificació | Valor |
|---|---|
| Entrada Voltage | 100-240VAC, 50/60Hz |
| Vol. De sortidatage | 12 V |
| Corrent de sortida | 3A |
| Potència de sortidatage | 36W |
| Tipus de connector | Connector de barril |
| Característiques especials | Short Circuit Protection, Over Voltage Protection, Over Current Protection |
| Dispositius compatibles | PEAQ Monitor PMO S240-IFC 24 FHD Slim Monitor, Projectors, Monitors, Cameras (with compatible voltage/current requirements) |
| Dimensions (L x A x A) | 90 mm x 38 mm x 28 mm (aprox. 3.54 polzades x 1.49 polzades x 1.10 polzades) |
| Pes | Aprox. 150 g (0.33 lliures) |
| Certifications Met | FCC, OSHA, RoHS |
Figure 3.1: Physical dimensions of the KFD AC Adapter.
4. Contingut del paquet
El paquet inclou els articles següents:
- 1 x KFD AC Charger (Adapter Unit)
- 1 x US Cable (Power Cord)
5. Instruccions de configuració
Follow these steps to set up your KFD AC DC Adapter Charger:
- Connecteu el cable d'alimentació: Insert the US power cable into the AC input port of the KFD adapter unit. Ensure it is firmly seated.
- Connecta't al dispositiu: Plug the DC barrel connector from the adapter's output cable into the corresponding power input port on your PEAQ Monitor (or other compatible device). Ensure the connector is fully inserted.
- Connecteu-vos a la presa de corrent: Plug the US power cable into a standard 100-240V AC wall outlet.
- Encendre el dispositiu: Turn on your monitor or device. The adapter will automatically provide power.
Figure 5.1: Proper connection of the power cord to the adapter unit.
6. Directrius de funcionament
The KFD AC DC Adapter Charger is designed for simple plug-and-play operation. Once connected, it will provide continuous power to your device.
Precaucions de seguretat:
- Do not expose the adapter to water, moisture, or high humidity.
- Eviteu deixar caure l'adaptador ni sotmetre'l a impactes forts.
- Do not disassemble or attempt to repair the adapter yourself. Refer to qualified service personnel.
- Ensure the adapter is used within its specified input and output voltage/current ranges.
- Mantingueu l'adaptador allunyat de fonts de calor i de la llum solar directa.
- Unplug the adapter from the wall outlet when not in use for extended periods.
7. Manteniment
Proper maintenance ensures the longevity and optimal performance of your adapter.
Neteja:
- Always unplug the adapter from the power outlet and your device before cleaning.
- Feu servir un drap suau i sec per netejar la superfície de l'adaptador.
- No utilitzeu netejadors líquids, aerosols ni productes químics agressius.
Emmagatzematge:
- Guardeu l'adaptador en un lloc fresc i sec quan no l'utilitzeu.
- Avoid tightly coiling the cables to prevent damage.
- Mantenir fora de l'abast dels nens i mascotes.
8. Solució De Problemes
If you encounter issues with your KFD AC DC Adapter Charger, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| No hi ha alimentació del dispositiu | Connexions soltes | Ensure all cables (AC power cord to adapter, adapter to device, power cord to wall outlet) are securely plugged in. |
| La presa de paret no funciona | Test the wall outlet with another known working device. Check circuit breaker if necessary. | |
| Dispositiu incompatible | Verify that your device's voltage and current requirements match the adapter's output (12V 3A). | |
| L'adaptador s'escalfa | Funcionament normal sota càrrega | It is normal for adapters to feel warm during operation. Ensure adequate ventilation around the adapter. If it's excessively hot or emitting smoke/smell, unplug immediately. |
| Device flickering/unstable power | Cable o adaptador defectuós | Inspect cables for damage. If issues persist, the adapter or device may be faulty. |
Si el problema persisteix després de provar aquestes solucions, poseu-vos en contacte amb l'atenció al client.
9. Garantia i Suport
KFD products are manufactured with quality and reliability in mind. For any questions, technical support, or warranty inquiries, please contact the seller or manufacturer directly through your purchase platform. Please have your product model number (LD40-12V/3A) and purchase details ready when contacting support.