Factory Direct 28V 4A 112W Desktop Power Adapter with Optional DC Connectors | Guangdong QINX

The 28V 4A 112W desktop power adapter from Guangdong QINX offers a dependable external power solution for devices requiring continuous and stable DC operation. The adapter utilizes advanced switching power supply technology to maintain accurate output voltage, improve conversion efficiency and support reliable performance during extended working periods.

With universal 100-240VAC input compatibility, this power adapter can be applied in different countries and regions, making it suitable for global equipment manufacturers and system integrators. The desktop-style housing provides practical installation flexibility while supporting efficient heat management for long-term operation.

Guangdong QINX supports customized production according to customer project requirements, including DC plug selection, cable length, output interface configuration, product appearance, logo printing and packaging design. The 112W power rating offers additional power capability for applications that require stronger output performance than conventional desktop adapters.

This 28V 4A adapter is an effective power supply solution for industrial electronics, communication infrastructure, smart control systems and professional equipment.

Applications

• Industrial automation equipment
• Robotics and motion control systems
• Network communication hardware
• Security surveillance systems
• Electronic inspection instruments
• Smart energy monitoring devices
• Medical electronic equipment
• Intelligent control terminals
• LED display control systems
• Embedded industrial devices

Connector Options

Flexible connector configurations are available, including:

• 5.5×2.1mm DC barrel plug
• 5.5×2.5mm DC barrel plug
• 4.0×1.7mm connector
• 3.5×1.35mm connector
• 6.3×3.0mm connector
• Mini DIN connectors
• Aviation connectors
• XLR connectors
• JST connectors
• Molex connectors
• Anderson connectors
• Terminal block outputs
• Customized DC cable assemblies

Safety Design

Designed with integrated safety protection circuits to ensure reliable operation and protect connected devices:

• Over-voltage protection (OVP)
• Over-current protection (OCP)
• Short-circuit protection (SCP)
• Overload protection
• Over-temperature protection

Certifications

Available with UL, cUL, SAA, PSE, UKCA, CE, RoHS, FCC, CB and DOE Level VI certifications according to customer requirements and destination market standards.