YXING KY-05040-12 AC Adapter 12VDC 4A LCD Monitor Power Supply 100-240VAC

YXING KY-05040-12 AC Adapter 12VDC 4A LCD Monitor Power Supply 100-240VAC

The YXING KY-05040-12 is an external AC-to-DC power adapter rated at 12 volts DC and 4 amps output, designed to power LCD monitors and similar 12VDC devices. It accepts a wide universal input range of 100–240VAC at 50/60Hz, making it compatible with standard wall outlets across North America and internationally. The unit connects to the wall via an IEC C14 inlet and delivers regulated 12VDC through a barrel DC output connector.

Specifications & What's Included

• Model: KY-05040-12 (also marked KY-05036S-12 on label)
• Brand: YXING
• Output: 12V DC, 4A (48W)
• Input: 100–240VAC, 50/60Hz, 2A
• Input connector: IEC C14 (3-prong AC inlet)
• Output connector: Barrel / DC tip (center positive)
• Form factor: External desktop power brick
• Includes: Attached AC power cord with IEC C13 plug
• Certifications visible on label: CE, FC (FCC), and additional safety marks

Applications

External AC adapters like the YXING KY-05040-12 are standard power supplies for flat-panel LCD monitors, small displays, and other consumer or light-commercial electronics that require a regulated 12VDC rail. The 100–240VAC universal input means the adapter works on virtually any mains voltage worldwide without a separate converter. With a 4A / 48W output capacity, it suits monitors and displays in the typical 15–24-inch range that draw up to roughly 40–48 watts. These external brick-style supplies are also commonly used as replacement or spare power adapters when an original OEM supply has been lost or failed.