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The CUI Inc. VMS-550C-48 is a high-performance AC-DC power supply designed for demanding applications. It delivers up to 550W of output power at 48VDC with a typical efficiency of 94% at 230Vac input.
This power supply operates within a wide input voltage range of 90-264 Vac and 127-370 Vdc, making it suitable for global use. Key features include active PFC, remote sense, and standby output. It is designed to meet stringent safety standards including 60601-1 and 60335-1, and is certified by CE, cURus, and UKCA.
The VMS-550C-48 features an open-frame, chassis mount design with dimensions of 127.0mm x 76.2mm x 40.5mm. It operates reliably in temperatures ranging from -40°C to 70°C with derating. Protections include over-voltage, over-current, and over-temperature with auto-recovery features.
The output voltage is 48 Vdc.
The maximum output current is 11.46 A.
The maximum output power is 550 W with airflow and 320 W under natural convection.
The input voltage range is 90-264 Vac and 127-370 Vdc.
The operating temperature range is -40°C to 70°C with derating.
The typical efficiency is 94% at 230 Vac.
The isolation voltage is 4 kV.