5V power supply for LED display cabinets
The Rong-Electric MNS400PC5 provides 5V DC with an output current range of 0–80A. The linked manufacturer specification identifies a 400W output and a 90–264Vac input range. Use the model number together with the unit label and document revision when ordering a replacement.
Technical specifications
| Parameter | Specification |
|---|---|
| Rated output power | 400W; linked specification V1.0 |
| Nominal output voltage | 5Vdc |
| Output current range | 0–80A |
| Output voltage range | 4.9–5.1Vdc |
| Rated AC input | 100–240Vac |
| AC input operating range | 90–264Vac |
| Input frequency | 47–63Hz |
| Efficiency | ≥89% at 220Vac, full load and room temperature; PDF section 5.1.4 |
| Cooling | Ventilation cooling |
| Protection | Input undervoltage, output current limiting and output short-circuit protection |
| Operating temperature in linked PDF | −30 to +50°C; section 4.1 specifies an additional 400 × 400 × 3.0mm heat-dissipation plate |
Check the specification revision before installation
The original product listing gives a 220 × 47 × 26mm enclosure, approximately 378g weight, leakage current ≤1.0mA at 242Vac, and power factor ≥0.95. It also lists efficiency ≥88% and an operating range of −40 to +70°C. The linked V1.0 PDF dated December 30, 2021 instead specifies ≥89% efficiency under the conditions in the table and −30 to +50°C operation with additional heat dissipation. These differences are not a confirmed revision equivalence: verify the supplied unit’s label and matching documentation before using the wider temperature range.
Product images and specification
Download Specification:
Rong-Electric MNS400PC5 LED Display Power Supply Specification
Frequently asked questions
What output does the MNS400PC5 provide?
The linked manufacturer specification lists 5V DC, 0–80A output current and 400W output power.
Does it accept 110V and 230V AC?
Both voltages are within the documented 90–264Vac operating input range. Rated input is 100–240Vac.
What efficiency is documented for this model?
Section 5.1.4 of the linked V1.0 PDF specifies at least 89% at 220Vac, full load and room temperature. This differs from the original listing’s 88% feature value.
Can I use the −40 to +70°C range shown in the original listing?
Confirm the supplied revision first. The linked PDF lists −30 to +50°C and calls for an additional heat-dissipation plate; it does not substantiate the wider range for that documented version.
What should I check when replacing an MNS400PC5?
Match the exact model and revision, module voltage, load, mounting dimensions, terminals and cooling arrangement. Keep the original PDF below with your installation records.
