Name: 9V 3A Power Adapter (UK Plug) | 5.5mm x 2.1mm | Sun Cheong
Brand: Sun Cheong Computer Company Limited
SKU: 21PA000312
Price: 59.0 HKD
Availability: InStock

Short Product Description

Don't risk your electronics with unstable power. This 9V 3A AC/DC Power Adapter provides a reliable, steady current for your medium-voltage devices. Featuring a standard UK 3-pin plug and a precision 5.5mm x 2.1mm connector, it is the perfect replacement for lost or broken power supplies. Safety certified (CE, GS, RoHS) for peace of mind.

Key Features

High Power Output: Delivers up to 27 Watts (9V / 3A) of reliable power.
Universal Input: 100-240V AC 50/60Hz input (Perfect for travel or fluctuating grids).
Smart Amperage: Backward compatible with devices requiring 1A, 2A, or 2.5A.
Space-Saving Design: Compact "brick" style with a right-angle connector to reduce cable stress.
Certified Safety: Tested and approved with CE, GS, and RoHS certifications.
Standard Fit: Industry-standard 5.5mm x 2.1mm DC plug (Center Positive).

Full Product Description

Reliable Power for Your Critical Electronics

Finding a replacement power adapter that is both safe and durable can be frustrating. Cheap knock-offs often overheat or provide unstable voltage that can damage sensitive components. This High-Efficiency 9V 3A Power Supply (Model ABT030090) is engineered to deliver consistent energy flow, ensuring your devices run smoothly without interruption.

Broad Compatibility (5.5mm x 2.1mm)

The adapter features a right-angle DC barrel jack measuring 5.5mm (outer diameter) by 2.1mm (inner diameter). This is one of the most common standard sizes, making this "fire bull" (transformer) compatible with a wide range of devices, including:

Networking: Wi-Fi Routers and Modems.
Security: CCTV Cameras and DVR systems.
Hobbyist: Arduino boards (via DC jack) and DIY electronics projects.
Audio/Visual: LED Light strips and select guitar pedals or mini-amplifiers requiring 9V DC.

Safety First Design

Built with a robust, flame-retardant casing, this adapter carries legitimate safety certifications including TÜV Rheinland, GS, and CE marks. It features built-in protection against:

Over-voltage
Short-circuits
Over-heating

Smart Switching Technology

Unlike heavy, older linear transformers, this is a modern Switching Power Supply. It accepts a universal input (100-240V AC), making it efficient and cool-running. If your device requires 9V and anything up to 3A (e.g., 1A, 1.5A, 2A, or 3A), this adapter will auto-regulate to supply exactly what your device draws.

Technical Specifications

Model: ABT030090
Input Voltage: 100–240V AC ~ 50/60Hz
Output Voltage: 9V DC
Output Current: 3A (3000mA)
Maximum Power: 27W
Connector Size: 5.5mm (OD) × 2.1mm (ID)
Connector Type: Right angle barrel jack
Polarity: Center positive (+)
Plug Type: UK / Hong Kong Standard (Type G)
Certifications: CE, GS, TÜV, RoHS
Cable Length: Approximately 1.2M – 1.5M

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

Q: My device needs 9V 1A. Can I use this 3A adapter?
A: Yes, absolutely. Amperage is "pulled" by the device, not pushed by the adapter. A 3A adapter can safely power any 9V device requiring 3A or less (e.g., 0.5A, 1A, 2A). It simply means this adapter runs cooler and has plenty of headroom.

Q: How do I know if the connector fits my device?
A: This adapter uses a 5.5mm x 2.1mm tip. You can measure the port on your device or check its manual. This is the most common size for routers and small electronics. Note: It will not fit 2.5mm internal pin sockets, so please verify before buying.

Q: Is the polarity Center Positive?
A: Yes, as indicated by the diagram on the label, this adapter is Center Positive, which is the industry standard for 99% of consumer electronics.