Description

The DVE DSA-0421S-12 is an AC-to-DC switching power adapter designed for compatible electronic equipment. It converts AC mains power into a regulated 12V DC output for supported devices.

Its 5.5mm × 2.1mm barrel plug provides a standard power connection for compatible equipment. The adapter is suitable as a replacement for a lost, damaged, or faulty power supply when the device’s electrical requirements match.

The adapter model is available in different output ratings, so it is important to check the label on the specific unit before purchasing. Confirm the output current, polarity, connector dimensions, and input requirements to ensure safe compatibility.

Technical Specifications

• Brand: DVE
• Model: DSA-0421S-12
• Product Type: AC-to-DC Switching Power Adapter
• Output Voltage: 12V DC
• Connector Size: 5.5mm × 2.1mm barrel plug
• Input Voltage: 100–240V AC, depending on the specific version
• Output Current: Depends on the specific adapter version
• Power Rating: Depends on the specific adapter version
• Condition: As Listed

Compatibility & Installation

This adapter is intended for devices that require 12V DC power and support a 5.5mm × 2.1mm barrel connector.

Before use, verify the required output current, connector polarity, and input specifications. The device’s current requirement must not exceed the adapter’s rated output current.

Performance

Switching power supply technology converts AC input power into DC output power for compatible electronic equipment. Performance depends on the specific output rating and the connected device’s power requirements.

Recommended Use

• Compatible electronic equipment
• Replacing a faulty 12V DC adapter
• Supported devices using a 5.5mm × 2.1mm barrel connector
• Replacement power supply for compatible equipment