• Output Power: 360 W
• Output Voltage: 24 V DC
• Output Current: 0 – 15 A
• Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz
• Efficiency: up to 91 %
• Ripple & Noise: ≤ 150 mVp-p
• Inrush Current: max. 45 A @115 VAC / 90 A @230 VAC
• PFC Function: Built-in active PFC (PF ≥ 0.95)
• Operating Temperature: −30 °C to +60 °C
• Cooling: Free air convection
• Protection Functions: Short circuit, Overload, Over voltage, Over temperature
• Withstand Surge: 300 VAC surge input for 5 seconds
• Isolation Voltage: 3000 V AC between input and output
• Dimensions (L x W x H): 220.4 mm x 130 mm x 48 mm
• Weight: 1.1 kg
• Safety & EMC Certificates: UL60950-1, EN62368-1, CB, CE, EAC, CCC
• LED Indicator: Power On Indicator
• Manufacturer Warranty: 3 Years

Information about the MEAN WELL ERPF-400-24

The MEAN WELL ERPF-400-24 is a robust 400W single-output enclosed power supply specifically engineered for reliability in demanding outdoor environments. Its primary strength lies in the semi-potted interior and aluminum case, a specialized design that protects sensitive electronic components from rain splash and dust. This makes it an ideal solution for LED channel letters, signage, and commercial displays where exposure to the elements is a concern. By utilizing free air convection cooling, the unit maintains high performance without the need for mechanical fans, ensuring a longer lifespan and reduced maintenance requirements in the field.

Beyond its physical durability, the ERPF-400-24 offers sophisticated electrical features, including built-in active PFC for optimal power efficiency and a 91% typical efficiency rating. It is designed to be exceptionally resilient, capable of withstanding 300VAC surge inputs for up to five seconds to protect against grid instability. The power supply includes a complete suite of protections against short circuits, overloads, over-voltage, and over-temperature conditions, all backed by a 100% full load burn-in test and a 3-year warranty. This combination of cost-effectiveness and high-tier safety certifications ensures the ERPF-400-24 provides consistent, long-term power for critical infrastructure projects.