The MeanWell NEL-400-5 is a high-performance 400W switching power supply specifically engineered for professional LED display systems and industrial low-voltage applications, delivering a stable 5V DC output with a maximum current of 80A. Leveraging MeanWell’s advanced power technology, this unit features active power factor correction (PFC), a wide input voltage range of 90–264V AC, and full protection against overload, overvoltage, short circuit, and over-temperature—making it the perfect power solution for large-scale indoor/outdoor LED screens, digital billboards, LED modules, and precision industrial control equipment. Compliant with global safety certifications (CE, UL, RoHS), it ensures consistent, uninterrupted performance in harsh operating environments, meeting the strict standards of LED integrators, contractors, and distributors worldwide.
As a premium, reliable power solution from MeanWell—a world-leading brand in power electronics—the NEL-400-5 stands out with its high efficiency, low ripple and noise, and compact design. It offers seamless compatibility with most LED display modules and control systems, simplifying project integration and minimizing downtime. Backed by MeanWell’s global after-sales service network and a 3-year warranty, this power supply provides long-term peace of mind for both small-scale installations and large commercial LED projects. Whether you’re designing a new LED display system or upgrading an existing one, the NEL-400-5 delivers the stability, durability, and efficiency that professional LED projects demand, making it a top choice for global LED industry professionals seeking high-quality power solutions.
Size:215×115×30mm
Power: 400W
High efficiency up to 90%
Built-in active PFC function, PF>0.95
LED indicator for power on
Forced air cooling by built in DC Fan with fan speed control function
1U low profile 30mm
High efficiency, Long life and high reliability
Protections: Short circuit / Overload / Over voltage / over temperature
1 year warranty
Product Specifications :
Model
NEL-400-5
Input
Voltage Range
85~ 264VAC 120~ 370VAC
FREQUENCY RANGE
47 ~ 63Hz
AC CURRENT (Typ.)
3.5A/115VAC 1.5A/230VAC
LEAKAGE CURRENT
<2mA / 240VAC
INRUSH CURRENT (Typ.)
COLD START 65A/230VAC
EFFICIENCY (Typ.)
84%
Output
RATED CURRENT
80A
DC VOLTAGE
5V
RATED POWER
400W
CURRENT RANGE
0-80A
VOLTAGED ADJ. RANGE
4.5~ 5.5V
RIPPLE & NOISE (max.) Note.2
150mVp-p
VOLTAGE TOLERANCE Note.3
±2.0%
LOAD REGULATION Note.5
±1.5%
LINE REGULATION Note.4
±0.5%
HOLD UP TIME
20ms at full load
SETUP, RISE TIME
600ms,40ms at full load
Protection
OVER VOLTAGE
5.6~ 7V
Protection type :Shut off 0/p volltage, clamping by zener diode
OVER LOAD
Above 150% rated output power
Protection type :Hiccup mode, recovers automatically after fault condition is removed
EN55022 class B, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11, GB9254
Environment
WORKING HUMIDITY
20 ~ 90% RH non-condensing
WORKING TEMP
-20 ~ +70 (Refer to output load derating curve)
TEMP. COEFFICIENT
± 0.03%/℃ (0 ~ 50℃)
STORAGE TEMP., HUMIDITY
-40 ~ +85 , 10 ~ 95% RH
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
Others
DIMENSION
215*115*30mm (L*W*H)
MTBF
1608.8K hrs min. MIL-HDBK-217F (25 ) ℃
Note
I. Al parameters NOT specialy mentioned are measured at 230VAC input. rated load and 25℃ of ambient temperature.
2 Ripple & noise are measured at 20MHz Of bandwidth by usig a I2′ twisted pair-wire terminated with a 0.1UI & 470 Parallel capacitor
3. Tolerance : includes set up tolerance. line regulation and load regulation.
4. Line regulation is measured from low line to high line at rated load.
5. Load regulation is measured from 0% to 100% rated load.
6. For the request of GEl4943.1.the power soppy is only suable for use in the altitude 2000m below and the non tropical climate condrtion.
7. The power supply is considered a component which will be instated into a final equipment The final equipment must be re-confirmed that
it still mesh EMC drectives. For guidance on how to perform the EMC tests. please refer to ‘EMI testing of component power supplies’
