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The CUI Inc. PCM-400-28-U is an AC-DC power supply designed for ITE (Commercial) applications. It provides a preset output voltage of 28Vdc with a customizable range of 27-34Vdc. Under convection cooling, it delivers up to 220W of power, and with forced air, it can reach 400W. The unit operates with a universal input voltage range of 90-264 Vac and features active power factor correction (PFC).
Key electrical specifications include an input current of 8A at 90 Vac full load, and a maximum ripple and noise of 280 mVp-p. The efficiency is typically 85%. The power supply offers features such as adjustable output, remote ON/OFF control, and a standby output. It has an isolation voltage of 3000V.
Mechanically, the PCM-400-28-U is designed for chassis mounting and has an open frame construction. Its dimensions are 152.4mm (length) x 101.6mm (width) x 38.1mm (height). The operating temperature range is 0°C to 70°C, with derating applied.
This power supply complies with various standard numbers including 55024, 60950-1, 61000-3-2, 61000-3-3, and 62368-1, and is approved by agencies such as CB Scheme, EN, IEC, SIQ, TUV, and UL.
The PCM-400-28-U has a preset output voltage of 28 Vdc, with a customizable range of 27-34 Vdc.
The maximum output power is 220W with convection cooling and 400W with forced air.
The PCM-400-28-U accepts a universal input voltage range of 90-264 Vac.
The typical efficiency of the PCM-400-28-U is 85%.
The operating temperature range is 0°C to 70°C, with derating applied.
The PCM-400-28-U is designed for chassis mounting.