14V 3A 42W Desktop Power Adapter with Optional DC Connectors | Guangdong QINX

The Guangdong QINX 14V 3A desktop AC/DC power adapter is engineered to efficiently convert a universal 100–240VAC input into a stable 14V DC output while supplying up to 3A of continuous current. Utilizing advanced switching power technology, it provides excellent voltage regulation, low ripple, and consistent performance to protect sensitive electronic equipment.

Rated at 42W, this external desktop power supply is ideal for medium-power devices requiring dependable DC power during continuous operation. Its compact desktop housing, premium electronic components, and optimized cooling design contribute to enhanced durability, high operating efficiency, and long service life.

Guangdong QINX offers professional OEM and ODM customization services, including tailored output cables, various DC plug types, wire specifications, enclosure colors, logo printing, private labeling, customized packaging, and electrical parameter modifications. Every adapter is subjected to strict quality inspections and comprehensive electrical performance testing before delivery.

Applications

• Security monitoring equipment
• Industrial control modules
• Smart home automation systems
• Network communication devices
• Electronic laboratory instruments
• POS and payment terminals
• LCD display controllers
• Access control systems
• Medical electronic equipment
• Portable testing devices

Connector Options

A wide variety of connector types can be selected, including:

• 5.5×2.1mm
• 5.5×2.5mm
• 4.0×1.7mm
• 3.5×1.35mm
• 2.5×0.7mm
• 6.3×3.0mm
• GX12 aviation connectors
• GX16 aviation connectors
• Mini DIN connectors
• XLR connectors
• Molex connectors
• JST connectors
• Phoenix terminal blocks
• Waterproof DC connectors
• Customized cable assemblies

Safety Design

Designed with multiple protection mechanisms:

• Over-voltage Protection (OVP)
• Over-current Protection (OCP)
• Overload Protection (OLP)
• Short-circuit Protection (SCP)
• High operating efficiency
• Low standby power consumption

Certifications

Available with UL, cUL, CE, FCC, RoHS, UKCA, PSE, SAA, CB, and DOE Level VI certifications to satisfy global safety and energy efficiency standards.