• Output Power: 402.3 W (with 25CFM forced air) / 251.1 W (convection)
• Output Voltage: 27 V DC
• Output Current: 14.9 A (with fan) / 9.3 A (convection)
• Input Voltage Range: 80 – 264 V AC / 113 – 370 V DC, 47 – 63 Hz
• Efficiency: up to 93.5 %
• Ripple & Noise: ≤ 200 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-400-27

The MEAN WELL EPP-400-27 is a high-performance 27V DC power supply designed as a highly reliable green PCB-type unit. It packs a significant punch within a compact 5" by 3" footprint, offering an exceptional high power density that makes it ideal for space-constrained industrial environments. This unit features a built-in active PFC function and boasts a working efficiency of up to 93.5%, which ensures minimal energy waste and low thermal output. Its versatile architecture is compatible with both Class I (with FG) and Class II (no FG) system designs, providing engineers with the flexibility needed for various industrial and mechanical applications.

Equipped with professional-grade features, the EPP-400-27 includes a built-in 12V/0.5A fan supply, a 5V standby output, and a remote sense function to maintain precise voltage levels at the load. It is built to operate reliably in challenging conditions, supporting an operating altitude of up to 5000 meters and featuring a wide operating temperature range. The power supply is fully protected by hiccup mode for overloads and automatic shutdown for over-voltage or over-temperature events. Compliant with international safety regulations like TUV EN60335-1 and UL62368-1, it serves as a cost-effective and robust solution for industrial automation, security systems, and electronic instruments, supported by a 3-year manufacturer warranty.