
Desktop Power Adapter
24V 5A Power Supply 120W AC/DC Adapter
- 24V 5A power adapter (120W) in a desktop housing, delivering a regulated 24V DC output for LED strips, CCTV, networking and industrial control equipment. This 24V 5A power supply accepts universal 100–240V AC input and uses a standard 5.5 × 2.1 mm DC barrel connector. DoE Level VI efficiency, OVP/OCP/SCP/OTP protection and continuous 24/7 operation. UL listed, FCC and CE certified. OEM/ODM available.
Product Details
Product Overview
24V 5A power adapter (120W) in a desktop housing, delivering a regulated 24V DC output for LED strips, CCTV, networking and industrial control equipment. This 24V 5A power supply accepts universal 100–240V AC input and uses a standard 5.5 × 2.1 mm DC barrel connector. DoE Level VI efficiency, OVP/OCP/SCP/OTP protection and continuous 24/7 operation. UL listed, FCC and CE certified. OEM/ODM available.
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| DC Output Voltage | 24V DC ± 5% | DC Output Rated Current | 5A (5000mA) |
| Rated Power | 120W | DC Connector | 5.5×2.1mm (2.5mm optional) |
| Body Size | 143*59*33mm | DC Cable Length | 1.2m / 1.5m (optional) |
| Input Voltage Range | 100–240Vac | Input Frequency | 47–63Hz |
| Input Current | 1.8A (Max) | Efficiency | 88%, Level VI |
| Ripple & Noise | ≤180mV | Dielectric Withstand | 3K Vac 1min |
| Protection | OVP, OCP, SCP, OTP | Operating Temp. | 0°C to +55°C |
| Safety Certifications | UL/CUL FCC CE CB | Energy Standard | DoE Level VI |

Design & Build Quality
This 24V 5A power supply is built in our own factory around a high-frequency switching topology and 105°C-rated electrolytic capacitors, reaching up to 88% efficiency under DoE Level VI. As a 120W desktop adapter, it keeps case temperature below 50°C at continuous full load, so it can sit in cabinets, racks and enclosures with limited airflow. The fanless, vent-free housing runs silent and blocks dust — a practical choice for office, studio and light industrial installations. UL listed versions are available for North American projects.
Typical Applications
With 120W of continuous output, the 24V 5A power adapter covers a wide range of 24V DC loads:
LED strip lighting — drives 24V 5050 and COB strips up to about 6–8 m with balanced wiring, holding stable output at the far end.
CCTV and access control — powers 24V cameras, video intercoms and electric locks, with low ripple (≤120 mV) for clean video.
Industrial control — PLC I/O modules, sensors, relays and solenoid valves within the rated temperature range.
3D printers and CNC — a stable 24V rail for control boards, hotends up to 40W, fans and stepper drivers.
Audio and display equipment — 24V amplifiers, LED controllers and digital signage players.
Safety & Protection
Four independent protection circuits in the 48V 1.5A Model operate autonomously to safeguard both the unit and connected equipment:
• Over-Voltage Protection (OVP) — Shuts down output if voltage exceeds safe threshold; auto-recovers when fault clears.
• Over-Current Protection (OCP) — Limits output current to prevent damage from overloaded downstream wiring.
• Short-Circuit Protection (SCP) — Instantly cuts output when a short circuit is detected.
• Over-Temperature Protection (OTP) — Thermal shutdown activates if internal temperature exceeds design limits; resumes once cooled.
All protection modes are non-latching — the model automatically restarts after the fault condition is removed. Full UL/CUL, FCC, CE, and CB certifications support compliance for commercial, industrial, and residential installations worldwide.
Warranty & Technical Support
Every 24V 5A Model carries a 3-year warranty covering manufacturing defects. Technical support assists with compatibility verification, cable length selection, and connector configuration. OEM and ODM services are available for custom branding, cable lengths, and plug styles on bulk orders (MOQ 500 pcs, 7–10 day lead time).





