12V 3A Universal Power Adapter – Reliable DC Power for Cameras, DVRs & More
Keep your surveillance cameras, DVR recorders, LED strips, and other 12V devices powered up with confidence. This 12V 3A Universal Power Adapter delivers stable, efficient DC output from any standard AC wall outlet worldwide — thanks to its wide-range 100–240V input compatibility. Whether you're setting up a home security system or powering LED lighting, this adapter is built for dependable, everyday performance.
Why Choose This Power Adapter?
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Universal Input Compatibility: Works with AC 100–240V, 50/60Hz power supplies — ideal for use across North America, Europe, Asia, and beyond.
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Stable 12V DC Output: Delivers a consistent 12V 3A (36W) DC output via a standard 5.5mm × 2.1mm barrel connector.
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Built-In Triple Protection: Integrated overvoltage, overcurrent, and short-circuit protection safeguards both the adapter and your connected devices.
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Low Interference Design: PWM circuitry ensures high efficiency and stable output, with ripple noise below 20mV — ideal for sensitive electronics.
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EU-Standard Plug: Comes fitted with a universal EU-compatible plug for easy worldwide use.
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Generous Cable Length: Approx. 90 cm (35.43 in) cable gives you comfortable reach from outlet to device.
Technical Specifications
| Input Voltage |
AC 100V – 240V |
| Input Frequency |
50 / 60 Hz |
| Output Voltage |
12V DC / 3A (36W) |
| Output Connector |
5.5mm × 2.1mm barrel |
| Cable Length |
~90 cm / 35.43 in (±1 cm) |
| Dimensions |
8.5 × 5 × 3.5 cm (±0.5 cm) |
| Housing Material |
Plastic |
| Operating Temperature |
0°C – 60°C |
| Storage Temperature |
-20°C – 60°C |
| Ambient Humidity |
0% – 95% (non-condensing) |
Compatible Devices Include
- CCTV & IP Surveillance Cameras
- DVR / NVR Security Recorders
- LED Light Strips & Lighting Systems
- LED Robots & Displays
- Any device requiring a 12V DC, 5.5mm × 2.1mm barrel connector
Important Notes
- ⚠️ Not suitable for battery charging.
- ⚠️ Not waterproof — keep away from moisture and wet environments.
- Always operate within the rated voltage range and follow standard electrical safety guidelines.
Made in Mainland China.
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Frequently Asked Questions
Q: What devices is this 12V 3A power adapter compatible with?
A: This universal 12V 3A power adapter is compatible with any device that requires a 12V DC power supply via a 5.5mm × 2.1mm barrel connector. Common compatible devices include CCTV surveillance cameras, DVR/NVR recorders, LED light strips, and LED displays.
Q: Can I use this power adapter in different countries?
A: Yes. The adapter accepts AC input from 100V to 240V at 50/60Hz, making it compatible with electrical standards in most countries worldwide. It ships with an EU-standard plug; a travel plug adapter may be required for use in other regions such as the US or UK.
Q: Does this adapter have any built-in safety features?
A: Absolutely. This 12V power adapter includes built-in overvoltage, overcurrent, and short-circuit protection to keep your connected devices safe. It has also passed EMC testing with ripple noise below 20mV for clean, stable DC output.
Q: Can I use this adapter to charge batteries?
A: No. This power adapter is designed for constant-voltage DC output and is not suitable for battery charging. Please use a dedicated battery charger for charging applications.
Q: Is this power adapter waterproof?
A: No, this adapter is not waterproof. It should be kept away from water, moisture, and wet environments at all times during use and storage.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.