Unstable voltage can shut down your equipment, cause costly repairs and create safety risks. The MEAN WELL HEP-185-48A 48V DC Switching Power Supply delivers a steady 48 V output at up to 3.9 A, keeping your devices running smoothly and efficiently wherever they are installed.
Why Choose a MEAN WELL Switching Power Supply
Many buyers worry about selecting a power supply that can handle wide input ranges and harsh temperatures without sacrificing efficiency. They also fear hidden failures caused by poor protection features.
The MEAN WELL HEP-185-48A answers these concerns with a broad 90 V ac-to-431 V dc input range, operation from -55 °C to 70 °C, and built-in overload, short-circuit and over-temperature safeguards, all while maintaining up to 94 % efficiency.
Key Features of a 48 V Switching Power Supply
- Output voltage: 48 V DC, 3.9 A (187 W). Provides the exact power your devices need.
- Input voltage range: 90 V ac to 431 V dc. Works with many mains supplies worldwide.
- Efficiency: up to 94 %. Reduces energy waste and lowers operating costs.
- Operating temperature: -55 °C to 70 °C. Reliable performance in extreme environments.
- Mount type: chassis. Easy to install in racks or enclosures.
- Safety approvals: EAC, TUV, UL, AS/NZS. Meets recognised international standards.
- Ripple and noise: low. Protects sensitive electronics from interference.
- Protection: overload, short-circuit, over-temperature. Prevents damage automatically.
- Weight: 1.2 kg. Light enough for portable or fixed installations.
- Dimensions: 228 mm L × 68 mm W × 38.8 mm D. Fits compact spaces.
Usages of a 48 V Switching Power Supply
Ideal for LED lighting arrays, CCTV cameras, industrial automation controllers, telecom gear and renewable-energy inverters, this supply fits factory racks, outdoor security boxes and any project that demands a reliable 48 V source with up to 3.9 A.
Benefits of MEAN WELL Switching Power Supply
- Reliability: Consistent voltage eliminates unexpected shutdowns.
- Safety: Certified protections give you peace of mind.
- Efficiency: Low power loss cuts electricity bills.
- Durability: Wide temperature range ensures long-term operation.
- Compatibility: Broad input range suits global installations.
Specifications
| Brand |
MEAN WELL |
| Product Type |
Switching Power Supply |
| Maximum Output Voltage |
48V dc |
| Number of Outputs |
1 |
| Mount Type |
Chassis |
| Power |
187W |
| SMPS Output Current |
3.9A |
| Minimum Operating Temperature |
-55°C |
| Maximum Operating Temperature |
70°C |
| Standards/Approvals |
EAC TP TC 004, TUV BS ENEN 6681, UL 6681, ASNZS 668.1 |
| Weight |
1.2kg |
| Length |
228mm |
| Width |
68mm |
| Depth |
38.8mm |
| Maximum Input Voltage |
431, 305V dc |
| Series |
HEP-185 |
| Efficiency |
94% |
| Minimum Input Voltage |
90V ac |
| Hazardous Area Certification |
No |
| Output Current |
3.9A |
