12V Industrial Power Supply Unit (1A to 40A) | Reliable DC Transformer
12V Industrial Power Supply Unit (1A to 40A) | Reliable DC Transformer
Couldn't load pickup availability
Short Product Description
Short Product Description
Don't let unstable power ruin your hard work. Whether you are wiring a complex commercial CCTV network or powering a custom DIY Arduino project, our Premium 12V Industrial Power Supply Units deliver clean, uninterrupted energy. Available from 1A to 40A, these highly efficient DC transformers feature a honeycomb cooling design for 24/7 reliability. Choose your exact amperage and power your project with absolute confidence today.
Key Features
Key Features
- Extensive Amperage Range (1A - 40A): Scale your power perfectly to your project's specific demands without overspending on unnecessary capacity.
- Honeycomb Mesh Aluminum Casing: Maximizes passive heat dissipation, significantly extending the lifespan of the power supply during 24/7 continuous operation.
- Smart Cooling System (20A+ models): Automatically regulates internal temperatures under heavy loads to prevent overheating and maintain stable output.
- Comprehensive Circuit Protection: Built-in safeguards against short-circuits, over-voltage, and over-current ensure your expensive connected devices remain safe.
- Accessible Terminal Blocks: Clearly labeled and easy-to-access screw terminals make wiring fast, secure, and hassle-free for both engineers and DIYers.
Full Product Description
Full Product Description
The Foundation of Every Great Electronic Project is Reliable Power
You’ve spent hours coding, wiring, and configuring your setup. The last thing you need is a fluctuating voltage that causes LED flickers, system reboots, or worse—fried components. Our professional-grade 12V Industrial Power Supply Units (PSUs) are engineered to eliminate power-related headaches, providing a rock-solid foundation for both commercial installations and personal builds.
Engineered for Maximum Heat Dissipation
Heat is the enemy of electronics. That is why our 12V transformers feature an optimized aluminum honeycomb mesh casing. This structural design maximizes passive airflow across the internal circuitry, ensuring the unit stays cool even under heavy, continuous loads. For higher amperage models (20A and above), a built-in smart cooling fan automatically engages to maintain peak operational efficiency.
Versatility Meets Precision
No two projects are the same, which is why we offer a comprehensive range of current ratings from a compact 1A for simple LED strips to a heavy-duty 40A for enterprise-grade applications. Each unit provides a clean conversion from AC to stable 12V DC, protecting your sensitive hardware from voltage spikes.
Safety First: Built for the Professional
We prioritize your safety and the longevity of your equipment. These power supplies feature built-in over-voltage, over-current, and short-circuit protection. Please note: These units are designed strictly for indoor use and are not waterproof. Proper high-voltage handling procedures must be followed during terminal installation.
Technical Specifications
Technical Specifications
- Input Voltage: AC 110V / 220V ±15% (selectable via switch on larger models)
- Output Voltage: DC 12V
- Output Current Options: 1A, 2A, 3A, 5A, 10A, 20A, 30A, 40A
- Material: Aluminum alloy / metal mesh casing
- Protection Features: Short-circuit, overload, over-voltage
- Operating Environment: Indoor use only (non-waterproof)
Dimensions (L x W x H):
- 1A: 7.0 × 3.9 × 3.0 cm
- 2A: 8.5 × 5.3 × 3.3 cm
- 3A: 8.6 × 5.8 × 3.3 cm
- 5A: 11.0 × 7.8 × 3.6 cm
- 10A: 19.9 × 9.8 × 4.1 cm
- 20A: 20.1 × 11.1 × 4.9 cm
- 30A: 21.0 × 11.3 × 4.9 cm
- 40A: 21.5 × 11.4 × 5.0 cm
Delivery Options
Delivery Options
- Local delivery within Hong Kong and in-store pickup.
- Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.
- Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).
- Estimated delivery time: 1–3 business days after dispatch (Hong Kong).
- In-store pickup details (location and time) will be confirmed by email or phone message.
- Delivery times are estimates and may be affected by weather or unforeseen circumstances.
FAQ Section
FAQ Section
Q: How do I choose the right Amperage (A) for my project?
A: Calculate the total wattage of the devices you are powering and divide by 12 (Voltage). As a rule of thumb, always choose a power supply with a rating 20% higher than your maximum calculated load to prevent stress on the unit and ensure longevity.
Q: Can I use this power supply outdoors?
A: No. These industrial power supplies feature an open-mesh design for cooling and do not possess any waterproof or weather-resistant features. They must be installed indoors or inside a certified weatherproof enclosure.
Q: Does it come with a power plug?
A: These are professional hardwired units. They feature L (Live), N (Neutral), and Ground screw terminals for direct wiring. Please ensure you observe proper high-voltage safety practices during installation.
Target Users / Applications
Target Users / Applications
- Enterprise & Engineering: Powering multi-camera Dahua CCTV surveillance systems and access control panels.
- DIY & Maker Community: Providing stable power for Raspberry Pi clusters, Arduino automation, and 3D printers.
- Home Automation & Decor: Driving long runs of 12V LED light strips without voltage drop.
- STEM Education: Reliable benchtop power sources for school engineering and electronics workshops.
