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The Mean Well USA EPP-400-18 is an open-frame AC/DC power supply designed for ITE (Commercial) applications. It provides a stable 18V output with a rated power of 250.5W, capable of reaching 401W with forced air cooling.
Key electrical features include a universal AC input range of 80-264VAC and built-in active PFC function, contributing to efficiencies up to 94%. It offers protections against short circuit, overload, over-voltage, and over-temperature. The unit also includes features like remote sense, power good/fail signal output, and a standby 5V output.
Mechanically, the EPP-400-18 has a compact size of 5 x 3 x 1.37 inches and is designed for chassis mounting. It operates within a temperature range of -30°C to 70°C with derating and utilizes free air convection cooling, supplemented by a built-in 12V/0.5A fan for higher power outputs. The power supply comes with a 3-year warranty.
The output voltage is 18V.
The rated power is 250.5W, with a forced air rating of 401W.
The input voltage range is 80-264VAC or 113-370VDC.
The operating temperature range is -30°C to 70°C with derating.
It includes protections for short circuit, overload, over voltage, and over temperature.