Technical Information & Details for the MEAN WELL EPP-400-24 Power Supply
- Output Power: 400.8 W (with 25CFM forced air) / 251.1 W (convection)
- Output Voltage: 24 V DC
- Output Current: 16.7 A (with fan) / 10.5 A (convection)
- Input Voltage Range: 80 – 264 V AC / 113 – 370 V DC, 47 – 63 Hz
- Efficiency: up to 94 %
- Ripple & Noise: ≤ 150 mVp-p
- Inrush Current: max. 40 A @115 VAC / 80 A @230 VAC
- No Load Power Consumption: < 0.5 W (via PS_ON control)
- Operating Temperature: −30 °C to +70 °C
- Cooling: Free air convection or 25CFM forced air
- Protection Functions: Short circuit, Overload, Over voltage, Over temperature
- Operating Altitude: Up to 5000 meters
- Isolation Voltage: 3000 V AC (I/P-O/P)
- Dimensions (L x W x H): 127 mm x 76.2 mm x 35 mm
- Weight: approx. 390 g
- Safety & EMC Certificates: UL62368-1, TUV EN62368-1, EN60335-1, CB, EAC, CE
- LED Indicator: Power On Indicator
- Manufacturer Warranty: 3 Years
Information regarding the MEAN WELL EPP-400-24
The MEAN WELL EPP-400-24 is a premier 24V DC power solution, designed as a highly reliable green PCB-type unit that delivers an exceptional high power density. Occupying a standard 5" by 3" footprint, this power supply is optimized for industrial environments where maximizing internal cabinet space is critical. It features a built-in active PFC function and achieves an industry-leading efficiency of up to 94%, ensuring minimal energy loss and significantly reduced heat dissipation. Its sophisticated circuitry is compliant with both Class I (with FG) and Class II (no FG) system designs, offering engineers unparalleled flexibility for diverse hardware configurations.
Beyond its core power delivery, the EPP-400-24 is equipped with an array of advanced features including a 12V/0.5A auxiliary fan supply, a 5V standby output, and remote sense capability to maintain precise voltage regulation. The unit is built to perform in demanding conditions, supporting an operating altitude of up to 5000 meters and providing robust protection through hiccup mode for overloads and automatic recovery for thermal events. Meeting international safety standards such as TUV BS EN/EN62368-1 and EN60335-1, it represents a superior price-to-performance ratio for industrial automation, mechanical equipment, and electronic instrumentation, all backed by a 3-year manufacturer warranty.