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The CUI Inc. VMS-550C-24 is an open-frame AC-DC power supply designed for various applications, including ITE (Commercial) and Medical. It provides a 24VDC output at up to 22.9A, delivering a maximum of 550W with forced air cooling or 320W under natural convection.
This power supply operates within a wide input voltage range of 90-264 Vac or 127-370 Vdc, featuring active Power Factor Correction (PFC) for improved efficiency, reaching up to 93% at 230 Vac.
Key electrical specifications include a low ripple and noise of 200 mVp-p at full load, line regulation of ±0.5%, and load regulation of ±1%. It offers protections such as over-voltage, over-current, and over-temperature protection. The operating temperature range is -40°C to 70°C with derating.
The unit has a compact 3" x 5" footprint with a height of 1.59" and is designed for chassis mounting. It meets safety standards including 60601-1 and 60335-1, with CE, cURus, and UKCA approvals.
The output voltage is 24 Vdc.
The maximum output power is 550 W with forced air cooling.
The typical efficiency is 93% at 230 Vac.
The operating temperature range is -40°C to 70°C.
It is certified to 60601 safety standard and designed to meet 60335 & 61558 safety requirements.