Factory Direct 28V 1A 28W Desktop Power Adapter with Optional DC Connectors | Guangdong QINX

The 28V 1A 28W desktop power adapter from Guangdong QINX delivers dependable DC power for a wide range of low-power electronic systems. Built with high-efficiency circuitry, the adapter provides consistent voltage regulation and low ripple characteristics, helping connected equipment operate reliably under continuous working conditions.

Supporting a universal input range of 100-240VAC, the adapter can be deployed in international markets without requiring additional voltage conversion equipment. Its desktop-style enclosure offers convenient installation while maintaining effective thermal performance during long operating periods.

For manufacturers and system integrators, Guangdong QINX offers extensive customization services including output voltage adjustment, DC cable specifications, connector selection, private labeling and retail packaging solutions. The adapter can be integrated into commercial electronics, industrial controllers, communication terminals and automation devices requiring a stable 28V DC supply.

Compared with higher-wattage power supplies, this 28W version is particularly suitable for compact electronic products where energy efficiency, space utilization and long-term reliability are important considerations.

Applications

• Industrial control modules
• Electronic measurement instruments
• Network communication equipment
• Smart monitoring systems
• Access control devices
• LED control equipment
• Security electronics
• Automation controllers
• Sensor systems
• Embedded electronic devices

Connector Options

Multiple connector solutions are available according to customer requirements, including:

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

Safety Design

Designed with multiple protection functions to enhance operational safety and equipment protection, including over-voltage protection, over-current protection, short-circuit protection and overload protection. The adapter is engineered to support stable performance and dependable operation in demanding application environments.

Certifications

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