5V Industrial Switching Power Supply (3A - 30A) | AC to DC Transformer
5V Industrial Switching Power Supply (3A - 30A) | AC to DC Transformer
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Short Product Description
Short Product Description
Power your most demanding electronic projects with our rugged 5V Industrial Switching Power Supply (SMPS). Available from 3A up to a heavy-duty 30A, these metal-cased transformers deliver stable, efficient AC to DC conversion. Ideal for LED displays, automation equipment, and maker projects. Backed by local technical support and strict quality control.
Key Features
Key Features
- Multiple Current Options: Choose exactly what you need, ranging from a compact 3A up to a high-capacity 30A.
- Universal AC Input: Readily converts standard 110V/220V AC wall power into steady 5V DC output. (Note: 20A & 30A models feature a manual 110V/220V selector switch).
- Honeycomb Metal Mesh: Enhances airflow for superior passive cooling and extended component lifespan.
- Secure Terminal Blocks: Screw-tightened terminals ensure solid, reliable connections to your custom wiring.
- Compact Footprint: High power density housed in a space-saving design, perfect for tight enclosures.
Full Product Description
Full Product Description
Reliable Power for Professional Engineering & DIY Projects
Whether you are building a custom LED matrix, powering a cluster of Raspberry Pi boards, or outfitting an industrial control panel, stable power is non-negotiable. Our 5V Industrial Switching Power Supply provides consistent, regulated direct current (DC) to keep your sensitive electronics running safely and efficiently.
Designed with both the DIY maker and the enterprise engineer in mind, this power supply bridges the gap between raw utility and professional-grade reliability.
Superior Heat Dissipation
Heat is the enemy of electronics. These units feature a classic honeycomb metal mesh casing that maximizes natural convection cooling. This fanless design (on most models) ensures silent operation while preventing thermal throttling, allowing the power supply to run continuously without degrading performance.
Engineered for Safety and Stability
Electrical safety is our top priority. The integrated terminal blocks allow for secure, customized wire connections. The circuitry includes built-in safeguards to protect your expensive hardware from power fluctuations.
⚠️ CRITICAL SAFETY WARNING: * High Voltage: These units involve exposed terminal connections handling high-voltage AC mains power. Installation should only be performed by individuals with proper electrical knowledge. Always ensure the unit is unplugged before wiring.
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Not Waterproof: This is an open-frame, indoor-use only component. It is strictly not waterproof and must be kept away from moisture, rain, and high-humidity environments.
The O2O Advantage
Procuring hardware shouldn't be a gamble. As a trusted physical retailer, we ensure every unit meets our rigorous standards before it hits the shelf. Need advice on wiring or calculating your total load? Our in-store technical experts are ready to assist you.
Technical Specifications
Technical Specifications
- Output Voltage: 5V DC
- Available Amperages: 3A, 5A, 10A, 20A, 30A
- Input Voltage:3A, 5A, 10A models: AC 100-240V20A, 30A models: AC 110V/220V selectable
- Waterproof Rating: IP20 (indoor use only - not waterproof)
- Material: Aluminum / Galvanized steel casing
- Dimensions:3A model (S-15-5): 8.5cm x 5.3cm x 3.3cm5A model (S-25-5): 8.5cm x 5.8cm x 3.8cm10A model (S-50-5): 11.0cm x 7.8cm x 3.6cm20A model (S-100-5): 20.0cm x 9.8cm x 4.2cm30A model (S-150-5): 20.0cm x 9.9cm x 4.3cm
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 correct Amperage (A) for my project?
A. Calculate the total maximum current draw of all devices you plan to connect. We highly recommend choosing a power supply with at least 20% more capacity than your total calculated load to ensure safety and longevity.
Q. Is this power supply suitable for outdoor use?
A. No. This unit is not waterproof and features an open-mesh design. It must be installed in a dry, indoor environment or inside a properly IP-rated, weather-proof enclosure.
Q. Can I use this to power a Raspberry Pi or Arduino?
A. Yes! It is perfect for powering multiple microcontrollers or development boards simultaneously. Just ensure you use the correct gauge wire and observe standard electronic safety practices.
Target Users / Applications
Target Users / Applications
- Engineers & Technicians: CCTV monitoring setups, industrial automation, and server racks.
- DIY Makers & STEM Students: Powering Raspberry Pi clusters, Arduino projects, and robotics.
- Home Users: Driving large 5V LED strip installations, 3D printers, and custom lighting.
