Power supply unit Electro Base PS12V3.5A 42W 12V DC 3.5A output, 5.5×2.1 mm jack

Electro Base PS12V3.5A is a compact external power supply that delivers a stable 12 V DC output with a maximum current of 3.5 A (42 W) through a standard 5.5×2.1 mm barrel connector. Designed for everyday low-voltage equipment, this adapter supports continuous operation in home and small-business environments and provides plug-and-play compatibility with devices that require a reliable 12 V source.

Advantages

The power supply offers regulated 12 V output and sufficient current for many consumer and commercial devices while maintaining a small footprint for easy installation. Its standard 5.5×2.1 mm jack ensures broad compatibility with routers, cameras and LED equipment. The adapter is engineered for continuous operation and includes basic protection against common supply issues to promote device stability and reduce downtime.

Suitable for

• Home and small-office routers and modems
• CCTV cameras and surveillance equipment
• LED strips and lighting modules rated for 12 V
• External hard drives, low-power network devices and similar electronics requiring 12 V

Key specifications

• Output voltage: 12 V DC
• Maximum output current: 3.5 A
• Maximum output power: 42 W
• Connector type: 5.5 × 2.1 mm barrel jack (centre positive)
• Form factor: compact external AC-to-DC adapter

How to use

Connect the adapter to an appropriate AC power source using the integrated mains cable or plug, then insert the 5.5×2.1 mm barrel connector into the device's DC input socket, ensuring correct polarity. Verify that the device's rated input includes 12 V and that its current consumption does not exceed 3.5 A. After connection, monitor the device briefly to confirm normal operation and absence of unusual noise or heating.

Usage recommendations

Use the adapter in well-ventilated locations away from direct heat sources and liquids. Verify compatibility with the target device’s voltage and current requirements before use, and avoid exceeding the maximum rated current. For permanent installations, ensure connectors are secure and consider surge protection on the AC supply to improve long-term reliability.