12V 3A DC Power Supply – Reliable Power Adapter for Fingerprint Devices, CCTV Cameras & Routers

Power Supply 12V 3amp DC is a high-quality and reliable power adapter designed to provide stable and efficient power for a wide range of electronic devices, including fingerprint attendance systems, CCTV cameras, routers, switches, audio/video equipment, and security devices. Engineered for durability and safe operation, this power supply delivers consistent DC output while protecting connected devices from overloads and short circuits.

Built with advanced IC-regulated circuitry, the adapter ensures stable voltage performance and enhanced safety during continuous operation. Its compact and durable ABS+PC housing makes it suitable for both professional and residential applications where dependable power delivery is essential.

With universal AC input support and certified safety compliance, the Power Supply 12V 3amp DC is an ideal solution for powering networking equipment, surveillance systems, and electronic communication devices.

Product Specifications

• Model: 12V 3A DC Power Supply
• Product Type: DC Power Adapter
• Input Voltage: 100–240V AC, 1.2A, 50/60Hz
• Output Voltage: DC 12V
• Output Current: 3A
• Output Power: 36W
• Plug Standard: US 3-Prong
• DC Plug Size: 5.5 × 2.1 mm Male
• Cable Length: 1.5 Meter (4.9 Feet)
• Material: ABS + PC Shell
• Dimensions: 114 × 46 × 31 mm (L × W × H)
• Color: Black
• Net Weight: 353g

Key Features

Stable 12V DC Output

Power Supply 12V 3amp DC Provides reliable and regulated DC 12V 3A output for stable device performance.

Wide Device Compatibility

Power Supply 12V 3amp DC Suitable for powering:

• Fingerprint attendance devices
• CCTV cameras
• Routers & modems
• Network switches & hubs
• Audio/video equipment
• Security systems
• LED strips and string lights

Advanced Safety Protection

Power Supply 12V 3amp DC Equipped with:

• Short circuit protection
• Automatic overload cut-off
• IC-regulated output protection

Certified Quality & Safety

Power Supply 12V 3amp DC Complies with:

• CE Certification
• UL Certification
• FCC Certification

Universal AC Input Support

Power Supply 12V 3amp DC Supports global input voltage range from 100V to 240V AC for flexible use.

Durable ABS + PC Housing

Power Supply 12V 3amp DC Strong and heat-resistant outer casing ensures durability and safe long-term operation.

Compact & Lightweight Design

Power Supply 12V 3amp DC Compact adapter structure allows easy installation and cable management.

Long Power Cable

Power Supply 12V 3amp DC Includes 1.5-meter cable for convenient device placement and flexible installation.

Reliable Power for Security & Networking Devices

Power Supply 12V 3amp DC  is specially designed to deliver consistent power to security and networking equipment. Its stable output helps prevent voltage fluctuations that may affect the performance of CCTV systems, biometric devices, and communication equipment.

This makes it ideal for continuous-use environments where dependable power is critical.

Safe & Efficient Operation

The built-in protection mechanisms help safeguard connected devices from electrical damage caused by overloads, short circuits, or unstable power conditions. The IC-regulated design maintains steady voltage output for improved operational reliability.

For optimal performance and reduced overheating risk, it is recommended to operate the adapter below its maximum wattage capacity.

Durable & Professional Construction

Manufactured using high-quality ABS and PC materials, the adapter is built for long-lasting durability and heat resistance. Its compact black housing provides a professional appearance suitable for office, home, and commercial installations.

The lightweight yet robust construction supports reliable everyday use.

Package Contents

• 1 × DC Power Adapter
• 1 × US Power Cable

Important Usage Notes

• Ensure the total connected device wattage does not exceed the adapter’s maximum rated output.
• Recommended to de-rate usage by approximately 20% to minimize overheating and extend product lifespan.
• For indoor use only.

Safety Warnings

• Do not open or modify the power supply unit.
• Keep away from high-voltage power sources.
• Avoid exposure to liquids, vapor, or rain.
• Risk of electric shock if improperly handled.

Ideal Applications

• Fingerprint attendance systems
• CCTV surveillance cameras
• Wi-Fi routers & modems
• Network switches & hubs
• Access control systems
• Audio/video devices
• LED lighting systems
• Security installations

Why Choose the 12V 3A DC Power Supply?

The 12V 3A DC Power Supply offers reliable performance, advanced safety protection, and broad compatibility for powering electronic and security devices. With regulated DC output, overload protection, certified safety compliance, and durable construction, it provides a dependable power solution for both residential and professional applications.

Whether used for surveillance systems, networking equipment, or biometric devices, this adapter delivers stable power, long-term reliability, and efficient performance for everyday operation.