The 420W 48V 8.75A desktop power adapter from Guangdong QINX is engineered for high-load electronic systems requiring strong, stable, and efficient DC power delivery. With integrated Active Power Factor Correction (PFC), this unit improves electrical efficiency, reduces harmonic distortion, and ensures reliable operation in demanding industrial environments.
Designed with a universal 100-240V AC input, the adapter is suitable for worldwide deployment and delivers a regulated 48V DC output with excellent load stability. Its advanced switching power architecture minimizes energy loss while maintaining thermal balance, supporting long-term continuous operation and compliance with DOE Level VI efficiency standards.
To meet different system integration needs, Guangdong QINX provides a wide selection of DC output connector configurations. Available options include 5.5×2.1mm, 5.5×2.5mm, 6.3×3.0mm connectors, GX12 aviation connectors, GX16 aviation connectors, GX20 aviation connectors, Anderson power connectors, M12 waterproof connectors, IEC locking connectors, terminal block outputs, and open-wire leads. Custom connector engineering is also available for OEM project requirements.
For enhanced safety and reliability, the adapter includes multiple protection functions such as over-voltage protection, over-current protection, overload protection, short-circuit protection, and over-temperature shutdown protection. Guangdong QINX also provides complete OEM and ODM services, including custom branding, cable assembly design, connector selection, housing modification, and packaging customization.
Typical Applications
| Series | Models | Output Voltage/Current/Power | Energy Efficiency |
| 1W-420W SERIES DESKTOP Power Adapters |
QXP-PAD-48000750 | 48V 0.75A 36W | VI |
| QXP-PAD-48001000 | 48V 1A 48W | VI | |
| QXP-PAD-48001360 | 48V 1.36A 65W | VI | |
| QXP-PAD-48001500 | 48V 1.5A 72W | VI | |
| QXP-PAD-48002000 | 48V 2A 96W | VI | |
| QXP-PAD-48002500 | 48V 2.5A 120W | VI | |
| QXP-PAD-48003000 | 48V 3A 144W | VI | |
| QXP-PAD-48004000 | 48V 4A 192W | VI | |
| QXP-PAD-48004170 | 48V 4.17A 200W | VI | |
| QXP-PAD-48005000 | 48V 5A 240W | VI | |
| QXP-PAD-48006000 | 48V 6A 288W | VI | |
| QXP-PAD-48006250 | 48V 6.25A 300W | VI | |
| QXP-PAD-48007000 | 48V 7A 336W | VI | |
| QXP-PAD-48007500 | 48V 7.5A 360W | VI | |
| QXP-PAD-48008000 | 48V 8A 384W | VI | |
| QXP-PAD-48008750 | 48V 8.75A 420W | VI | |
| Optional DC Connectors | 5.5*2.5, 5.5*2.1, 5.0*3.0, 4.8*1.7, 4.0*1.7, 3.5*1.35, 2.5*0.7, 6.0*3.0, 6.5*4.0, 6.5*4.4, 6.5*4.5 (6.5x1.4), 6.3*3.0, 6.0*4.4, 5.0*1.0, 5.1*7.4, 5.0*7.4, 5.5*1.7, 6.4*4.0, 6.0*3.7, Center pin, Cigarette lighter, 2pin, 3pin, Micro USB, Mini USB, RJ11, Straight Barrel, Right Angle Barrel, KPPX-3P/4P, Molex 2 pin, Molex 6 pin, XT30/XT60/XT90, M16, Alligator dip, Anderson Torberry, Audio, RCA, XLR, D-tap, IP type, GX12/16/20, Circular type, Ez-go, LP20-3pin, Stripped and Tinned Leads, Typc C, Minifit-Molex, C14, C13, 9pin "D" Type, 4 pin/prong-Din, 6-Pin Molex Connector, 4 Pin Mini Din, Aviation Plugs, 8-PIN DIN, Coaxial, Crocodile clip, M19, 2/3-Pin Terminal Blocks, Switchcraft S760K, 3 pin 4 pin XLR Female/Male, CJT C2020HF-2P, CJT C2020F-TP, GT193110-02021-XX, GT193110-02021-01, GT193119-02021-01, SAE, WJ15EDGKM-3.81-2P, open wire, GX16 2 pin aviation, CNLINKO LP20 connector LP-20-C02PE-02-004B, LP-20-C02PE-01-022 connector, LP-20-C02PE-01-024, LP-20-C03PE-01-001A, CNLINKO YA20 connector YA-20-J04PE-01-001 YA-20-C04SX-03-201...... | ||
| Email us at info@qinxpsu.com if you need customized service. | |||



