

Wall Power Adapter
12V 4A Power Supply 48W AC/DC Adapter
12V 4A (48W) power supply with universal AC input (100-240V). Features 2.1×5.5mm DC connector (Optional), UL/CUL/FCC/CE certified. Ideal for LED strip lights, CCTV cameras, industrial controls, 3D printers, and network equipment. Compact 80×40×30mm design with OVP, OCP, SCP, OTP protection.
UL / FCC / CE Certified
International safety standards
7-10 Days Lead Time
Fast production & shipping
MOQ 100 pcs
Low minimum order quantity
3-Year Warranty
Full quality guarantee
Why 500+ Global Clients Trust TQ Power
15+
Years in Business
500+
Global Clients
10M+
Units Exported
<0.3%
Defect Rate
Product Details
Product Overview
The 12V 4A Wall Model Power Adapter is a robust and efficient fixed-plug power supply designed for industrial and commercial electronic devices. It is available in EU, US, UK, and AU plug models, allowing for direct selection based on your target market. With universal AC input (90-264V) and stable DC output options, it works seamlessly across major global regions. The adapter features a standard 2.1mm x 5.5mm DC barrel connector, making it compatible with LED lighting systems, CCTV cameras, industrial controls, and networking equipment. Its matte black housing provides efficient heat dissipation while maintaining a professional appearance. The product is fully compliant with global safety and energy efficiency standards, including UL, CE, FCC, and DoE Level VI (no-load power consumption below 0.21W)
| DC Output Voltage | DC Output Rated Current | Body size | DC cable length | DC connector | Standard |
|---|---|---|---|---|---|
| 12V ± 5% | 4A | 80*40*30m | 1.2m/1.5m (optional) | 5.5×2.1/2.5×12mm (optional) | UL/CUL FCC CE CB |
| Input Rated Voltage | Input Frequency Range | Input Current | Input Inrush Current | Efficiency | Ripple and Noise |
| 86Vac~264Vac | 47Hz~63Hz | 0.8A (Max) | 50A | 88%, Level VI | ≤120mV |
| Turn On Delay Time | Dielectric Withstand Voltage | Protection | Leakage Current | Operating Temperature | Storage Temperature |
| ≤3S (AC:110V full load) | 3K Vac 1min | OVP, OCP, SCP, OTP | ≤5mA | 0°C ~ +55°C | -20°C ~ +85°C |

The adapter's compact form factor (80*40*30mm) makes it ideal for space-constrained installations. The matte black housing provides excellent heat dissipation while maintaining a professional appearance. The integrated strain relief on the DC cable ensures long-term durability even with frequent plugging and unplugging.
Wide Applications
This 12V 4A power adapter is designed for versatile use. It powers LED lighting systems, CCTV security cameras, industrial automation equipment, networking devices, POS terminals, and other 12V electronic devices. The stable DC output ensures clean power for sensitive electronics, providing a long-lasting and reliable solution for home, office, and industrial applications.

The product label clearly displays all technical parameters and safety certification marks. Each unit is individually tested and serialized for full traceability. The UL, CE, and FCC certifications ensure compliance with international safety standards for global market distribution.
Safety Features
Built-in protection circuitry includes Over-Voltage Protection (OVP), Over-Current Protection (OCP), Short-Circuit Protection (SCP), and Over-Temperature Protection (OTP). In the event of a fault, the adapter enters safe mode and automatically recovers once the fault clears—no manual reset required.
Warranty & Support
We stand behind our products with a full 3-year warranty. Our dedicated support team is available to assist with any questions about compatibility, installation, or technical specifications. OEM and ODM services are also available for bulk orders.
About TQ Power





Download Specification
12V 4A Power Supply 48W AC/DC Adapter Specifications
Output Voltage
12V DC
Output Current
4A
Power Rating
48W
Input Voltage
100-240V AC
Certifications
UL/CUL/FCC/CE
Connector Type
5.5×2.1mm / 5.5×2.5mm
Applications for 12V 4A Power Supply 48W AC/DC Adapter
LED Strip Lights
LED lighting systems
CCTV Cameras
Security camera systems
Routers & Modems
Networking equipment
Audio Equipment
Amplifiers and speakers
Smart Home Devices
IoT hubs and controllers
Monitors & Displays
LCD monitors
Industrial Controls
PLC and automation
Medical Devices
Healthcare equipment
Why Choose TQ Power Power Supply AC/DC Adapter
Certified Quality
UL/CUL/FCC/CE/TUV/ROHS certified. Meets international safety standards for global markets.
Fast Delivery
7-10 days lead time for stock items. 15-25 days for OEM/ODM custom orders.
3-Year Warranty
Full quality guarantee. 100% tested before shipment. Defect rate below 0.3%.
Frequently Asked Questions About 12V 4A Power Supply 48W AC/DC Adapter
What is the 12V 4A Power Supply 48W AC/DC Adapter?
The 12V 4A Power Supply 48W AC/DC Adapter is a professional AC/DC power adapter designed for reliable performance. It features 12V DC output at 4A (48W), universal AC input (100-240V), and comes with UL/CUL/FCC/CE/TUV/ROHS certifications for global market compliance.
What applications is this 12V 4A power supply suitable for?
This 12V 4A power supply is ideal for LED strip lights, CCTV cameras, routers, network switches, audio equipment, smart home devices, monitors, industrial controls, and medical devices. It provides stable and efficient power for various 12V DC applications.
What certifications does the 12V 4A Power Supply 48W AC/DC Adapter have?
The 12V 4A Power Supply 48W AC/DC Adapter is certified with UL/CUL, FCC, CE, TUV, ROHS, UKCA, RCM, BIS, and CCC. These certifications ensure compliance with international safety and electromagnetic compatibility standards for global markets including North America, Europe, Australia, and Asia.
What is the MOQ and lead time?
The minimum order quantity (MOQ) is 100 pieces. Lead time is 7-10 days for stock items and 15-25 days for OEM/ODM custom orders. We offer factory direct pricing with competitive costs for bulk orders. Contact us for volume discounts.
What warranty do you offer?
We provide a 3-year warranty for the 12V 4A Power Supply 48W AC/DC Adapter. All units are 100% tested before shipment with a defect rate below 0.3%. Our quality guarantee ensures reliable performance and customer satisfaction. We also offer after-sales technical support.
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