The Guangdong QINX 12V 3.5A 42W desktop power adapter is designed to provide efficient and regulated DC power for a wide range of electronic devices. Featuring a stable 12V output with a 3.5A current rating, this 42W external power supply is ideal for security equipment, communication products, industrial electronics, and smart control systems. Guangdong QINX offers factory-direct manufacturing, OEM/ODM services, and flexible DC connector customization for diverse application requirements.
The Guangdong QINX 12V 3.5A desktop AC/DC power adapter delivers a continuous 42W output with high conversion efficiency, precise voltage regulation, and low ripple performance. Built with high-quality components, it is engineered to provide reliable DC power for electronic equipment operating continuously in commercial, industrial, and professional environments.
Its universal 100-240VAC input enables compatibility with global electrical standards, making it suitable for international OEM projects and export markets. This desktop power adapter is widely used by electronics manufacturers, industrial automation suppliers, communication equipment providers, and system integration companies requiring dependable external power solutions.
Guangdong QINX provides complete customization services including output cable length, connector configuration, enclosure color, logo printing, product labeling, packaging, and output polarity. Optional connector selections include 5.5×2.1mm, 5.5×2.5mm, 3.5×1.35mm, 4.0×1.7mm, 4.8×1.7mm, 6.3×3.0mm, Mini DIN, GX12 aviation connector, GX16 aviation connector, USB Type-C (fixed 12V output), Molex connectors, JST connectors, Anderson Powerpole connectors, along with customized cable assemblies to satisfy project-specific requirements.
A variety of output connector options are available, including DC barrel plugs, locking DC connectors, GX aviation connectors, Mini DIN connectors, Molex connectors, JST connectors, Anderson Powerpole connectors, USB Type-C fixed-voltage connectors, and customized cable assemblies for OEM applications.
Designed with integrated protection functions including over-voltage protection (OVP), over-current protection (OCP), overload protection (OLP), short-circuit protection (SCP), and over-temperature protection (OTP), ensuring safe, stable, and reliable operation throughout extended service life.
Available with UL, cUL, CE, FCC, RoHS, UKCA, PSE, SAA, CB, and DOE Level VI certifications, meeting international safety, EMC, and energy efficiency requirements for global commercial and industrial markets.
| Series | Models | Output Voltage/Current/Power | Energy Efficiency |
| 12V 1W-300W DESKTOP Power Adapters |
QXP-PAD-12001000 | 12V 1A 12W | VI |
| QXP-PAD-12002000 | 12V 2A 24W | VI | |
| QXP-PAD-12003000 | 12V 3A 36W | VI | |
| QXP-PAD-12003500 | 12V 3.5A 42W | VI | |
| QXP-PAD-12004000 | 12V 4A 48W | VI | |
| QXP-PAD-12005000 | 12V 5A 60W | VI | |
| QXP-PAD-12006000 | 12V 6A 72W | VI | |
| QXP-PAD-12007000 | 12V 7A 84W | VI | |
| QXP-PAD-12008000 | 12V 8A 96W | VI | |
| QXP-PAD-12008330 | 12V 8.33A 100W | VI | |
| QXP-PAD-12009000 | 12V 9A 108W | VI | |
| QXP-PAD-12009900 | 12V 9.9A 118.8W | VI | |
| QXP-PAD-12010000 | 12V 10A 120W | VI | |
| QXP-PAD-12011000 | 12V 11A 132W | VI | |
| QXP-PAD-12012000 | 12V 12A 144W | VI | |
| QXP-PAD-12012500 | 12V 12.5A 150W | VI | |
| QXP-PAD-12013000 | 12V 13A 156W | VI | |
| QXP-PAD-12014000 | 12V 14A 168W | VI | |
| QXP-PAD-12015000 | 12V 15A 180W | VI | |
| QXP-PAD-12016000 | 12V 16A 192W | VI | |
| QXP-PAD-12016700 | 12V 16.7A 200.4W | VI | |
| QXP-PAD-12017000 | 12V 17A 204W | VI | |
| QXP-PAD-12018000 | 12V 18A 216W | VI | |
| QXP-PAD-12019000 | 12V 19A 228W | VI | |
| QXP-PAD-12020000 | 12V 20A 240W | VI | |
| QXP-PAD-12021000 | 12V 21A 252W | VI | |
| QXP-PAD-12022000 | 12V 22A 264W | VI | |
| QXP-PAD-12023000 | 12V 23A 276W | VI | |
| QXP-PAD-12024000 | 12V 24A 288W | VI | |
| QXP-PAD-12025000 | 12V 25A 300W | VI | |
| Email us at info@qinxpsu.com if you need customized service. | |||




