MEAN WELL SD-100B-12 12W 12V DC 1A Wall-Mount AC-DC Power Adapter with Europlug and 5.5x2.1mm Barrel Connector

Delivering a stable 12V DC at 1A from any 100-240V AC mains, this compact wall-mount adapter keeps IMC Networks media converters and Ethernet switches running without interruption.

Overview

The MEAN WELL SD-100B-12 is an external AC-DC power adapter engineered for reliable low-power DC supply. It accepts universal AC input (100-240V, 50/60Hz) and provides a regulated 12V DC output with a maximum power of 12W. The integrated Europlug (Type C) plugs directly into European wall sockets, while the 5.5mm outer diameter / 2.1mm inner diameter barrel connector with center-positive polarity ensures compatibility with a wide range of 12V devices.

What stands out

• Universal AC input: works from 100V to 240V without switches or adjustments.
• Integrated Europlug: no separate power cord needed—just plug into the wall.
• Built-in protection: over-voltage, over-current, and short-circuit safeguards protect both adapter and connected equipment.
• Compact and lightweight: black plastic housing is unobtrusive and easy to position in tight spaces.
• Reliable MEAN WELL quality: trusted brand for industrial and networking power solutions.

Technical details

• Product type: External AC-DC power adapter (wall-mount)
• Input voltage: 100-240V AC
• Input frequency: 50/60 Hz
• Output voltage: 12V DC
• Output current: 1A
• Output power: 12W
• AC input plug: Integrated Europlug Type C
• DC output connector: Barrel connector, 5.5mm outer diameter x 2.1mm inner diameter
• DC output polarity: Center positive
• Protection: Over-voltage, over-current, short-circuit
• Housing material: Plastic
• Colour: Black
• Compatibility: IMC Networks media converters, Ethernet switches, and other 12V DC devices

Our verdict

A dependable, no-fuss power solution for your 12V networking gear. The universal input and integrated plug make it ideal for European installations, and the built-in protections ensure long service life.