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The CUI Inc. VMS-450B-48-CF is a versatile AC-DC power supply designed for demanding applications. It provides a continuous output power of up to 450W with a 48VDC output voltage and a maximum current of 9.4A. The unit operates with a universal input voltage range of 100-240 VAC and offers a high efficiency of 91% typical.
Key features include power factor correction (PFC), remote on/off control, and a 5V auxiliary output. Protections such as over-voltage, over-current, over-temperature, and short-circuit are integrated for reliability. The power supply is certified to IEC/EN/UL 60601-1 standards, making it suitable for medical applications.
This enclosed power supply is designed for chassis mounting. It has dimensions of 127.0mm x 86.6mm x 50.0mm and an operating temperature range of -20°C to 70°C with derating. The isolation voltage is rated at 4000 VAC (input to output) and 1500 VAC (input to ground).
The output voltage is 48 Vdc.
The maximum output power is 451W.
The typical efficiency is 91%.
The operating temperature range is -20°C to 70°C with derating.
Yes, it has over voltage protection that shuts down at 150% of nominal output voltage.