3-12V 2A Adjustable DC Power Supply Adapter | EU UK AU Plug
3-12V 2A Adjustable DC Power Supply Adapter | EU UK AU Plug
3–12V Adjustable DC Power Supply Adapter with Multi-Country Plugs
Power your small DC devices with precision and confidence. This compact 3V–12V stepless adjustable DC power supply delivers a stable 2A output and works seamlessly with LED strips, mini fans, water pumps, mist makers, small motors, and more. With your choice of EU, UK, or AU plug, it's ready for use across European, British, and Australian markets right out of the box.
Key Features
- Wide Voltage Adjustment (3V–12V): Dial in the exact voltage you need with a smooth rotary knob — no jumpers, no guesswork. Stepless adjustment means full control for every device.
- Multi-Country Plug Options: Available with an EU 2-pin, UK 3-pin, or Australia SAA-certified plug — simply choose the version that matches your region.
- Stable 2A Output with Built-In Protection: Consistent 2A DC output, backed by over-voltage, over-current, and short-circuit protection to keep both the adapter and your equipment safe.
- Universal 5.5×2.1mm DC Jack & Micro USB Output: The standard barrel output is widely compatible with a huge range of low-voltage DC devices found in hobby, home, and lab settings.
- Compact & Lightweight Design: Easy to carry and store — perfect for home DIY projects, aquarium and terrarium setups, laboratory experiments, and everyday use.
Specifications
| Output Voltage | 3V – 12V (Stepless Adjustable) |
| Output Current | 2A (Max) |
| Output Type | DC |
| Output Interface | DC 5.5×2.1mm Male Jack / Micro USB |
| Plug Options | EU 2-pin / UK 3-pin / AU SAA |
| Protection | Over-voltage, Over-current, Short-circuit |
| Use | Switching Power Supply |
| Country of Origin | Made in China |
Compatible With
- LED light strips and LED lamps
- Mini desk and cooling fans
- Small water pumps and mist makers
- Small DC motors and hobby electronics
- Aquarium equipment and terrarium accessories
- Laboratory and DIY electronics projects
Safety & Standards
This adapter operates within EU LVD low-voltage directive thresholds (below 50V AC or 75V DC). For guidance on electrical safety when using low-voltage power supplies, refer to the U.S. Consumer Product Safety Commission – Electrical Safety resource.
Frequently Asked Questions
Q: Can I use this adjustable DC power supply with an LED strip?
A: Yes! This 3–12V adjustable DC power supply adapter is compatible with most 12V LED strips and lower-voltage LED setups. Simply turn the rotary knob to set the output voltage to match your LED strip's requirements (e.g., 12V), and it will deliver a stable 2A DC output.
Q: Which plug type should I choose — EU, UK, or AU?
A: Choose the plug type that matches your wall outlets: EU 2-pin for most continental European countries, UK 3-pin for the United Kingdom and Ireland, or the AU SAA plug for Australia and New Zealand. All versions deliver the same 3–12V adjustable 2A DC output.
Q: Is this power supply safe to leave plugged in with sensitive electronics?
A: The built-in over-voltage, over-current, and short-circuit protection mechanisms help safeguard both the adapter and your connected devices during normal use. As with any electrical adapter, avoid covering it during use and ensure your device's voltage and current requirements are within the 3–12V / 2A range of this adapter.
Q: What output connector does this adapter use?
A: It features a universal DC 5.5×2.1mm male barrel jack output, which is the most widely used connector for small DC devices. It also supports Micro USB output, making it versatile for powering a range of hobby and household electronics.