AC power adapter QOLTEC 52409 — 40W, 12V, 3.33A

The AC power adapter QOLTEC 52409 — 40W, 12V, 3.33A supplies stable 12V DC power with a maximum output of 40 watts and 3.33 amperes. It is intended for powering compatible portable electronics and network devices that require a regulated 12V input. The adapter's compact design makes it suitable for home and office environments where reliable continuous power is needed for small chargers, routers, modems and other consumer devices.

Advantages

This power adapter delivers a steady 12V output with up to 3.33A current, providing consistent performance for devices within the 40W power envelope. Its compact form factor reduces desk and shelf clutter while allowing simple installation. Designed for continuous operation, the adapter includes standard protective features common to quality AC adapters, ensuring stable voltage delivery and minimizing the risk of overloading connected devices.

Suitable for

• Powering home and small office routers and modems
• Supplying 12V portable devices and chargers
• Replacing or upgrading existing 12V adapters within the same voltage and current range
• Use with small network equipment, audio accessories and similar electronics

Key specifications

• Output voltage: 12 V DC
• Maximum output power: 40 W
• Maximum output current: 3.33 A
• Input: AC mains compatible (standard region-specific input range)
• Form factor: compact external AC adapter

How to use

Connect the adapter to a compatible AC mains outlet using the supplied cable or built-in power cord appropriate for your region, then plug the DC output connector into the device's 12V input jack. Verify the device's required voltage and polarity match the adapter's specifications before powering on. After connection, power the device according to its normal operating procedure. Disconnect the adapter from mains when not in use or during maintenance.

Usage recommendations

Ensure the adapter's 12V and maximum current rating meet or exceed the requirements of the device. Avoid exposing the adapter to excessive heat, moisture, or dust, and allow adequate ventilation during continuous use. If the device shows signs of malfunction, disconnect the adapter and check connections and compatibility before further use.