Products / Power Supplies / Meanwell ERPF-400W LED Power Supply
POWER SUPPLIESMeanwell ERPF-400W LED Power Supply
Single-output switching power supply from Taiwan with active PFC, up to 91% efficiency, universal AC…
The Meanwell ERPF-400-12 is a 400W single-output switching power supply from Taiwan with active PFC, up to 91% efficiency, universal AC input (100-240V), and built-in rain-splash resistance. With a proven 0% defective rate and 3-year warranty, it is Genuine Overseas' first recommendation for critical and high-reliability installations.
About this product
Meanwell is universally recognised as the gold standard in LED power supplies for professional lighting and signage applications worldwide. The ERPF-400-12 lives up to this reputation with a specification that leaves nothing to chance.
Key technical features:
– Output: 400W at 12V DC
– Input: Universal AC 100-240V (covers all Indian single-phase supply variations)
– Efficiency: Up to 91%, substantially higher than budget alternatives, meaning less heat generated inside sign boxes and lower electricity bills for the end-client
– Built-in active PFC (Power Factor Correction), ensures the sign installation draws clean power and does not incur reactive power penalties on commercial electricity tariffs
– Designed against rain splash, suitable for installation in open-back sign enclosures exposed to driven rain
– 100% full-load burn-in tested at the factory before dispatch, every single unit is tested, not just a sample batch
– Protection suite: Short circuit / overload / over voltage, comprehensive protection for the LED modules connected downstream
– Warranty: 3 years
– Proven defect rate: 0% experienced at Genuine Overseas, the strongest quality track record in the power supply range
Recommended for: hospital signage, airport wayfinding, shopping mall pylons, automobile dealership signs, hotel fascias, and any application where sign failure carries significant cost or reputational risk.
Applications
- Critical signage
- hospitals
- airports
- malls
- hotels
- auto dealers
Technical Specifications
| SKU | ERPF-400-12 |
|---|---|
| Brand | Meanwell (Taiwan) |
| Output | 400W, DC 12V |
| Input | Universal AC 100-240V |
| Efficiency | Up to 91% |
| PFC | Built-in Active PFC |
| Rain Protection | Designed against rain splash |
| Burn-in Test | 100% full load burn-in tested |
| Protection | Short Circuit | Overload | Over Voltage |
| Warranty | 3 Years |
| Defect Rate | 0% (experienced at Genuine Overseas) |
| Application | Critical signage, hospitals, airports, malls, hotels, auto dealers |
Frequently asked questions
Pricing is wholesale and depends on quantity, so it is quoted rather than listed. Send the quantity you need through the quote form or WhatsApp and we respond within 2 business hours.
At 1.5W per module, roughly 210 modules with sensible headroom. Always leave around 20 percent spare rather than loading a driver to its rating.
It is designed against rain splash and takes universal AC 100 to 240V input, which covers the voltage swings on local single phase supply. Mount it in a sign box or enclosure rather than fully exposed.
3 years. Every unit is full load burn in tested at the factory before dispatch.
Efficiency and failure rate. Up to 91 percent efficiency means less heat inside the sign box and a lower running cost, and it is the driver we see come back least.
We supply from our Triplicane and Arumbakkam branches in Chennai and dispatch pan India by surface transport. Same day dispatch applies on stocked items ordered before cut off.
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