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The CUI Inc. VMS-450B-12-CNF is a high-performance AC-DC power supply designed for demanding applications. It provides a continuous output power of up to 450W with a nominal output voltage of 12V and a maximum output current of 37.5A. The unit operates with a universal input voltage range of 90-264 Vac and features power factor correction (PFC) for improved efficiency, rated at 89% typical.
Designed for reliability and safety, this power supply includes over-voltage, over-current, over-temperature, and short-circuit protections. It is certified to IEC/EN/UL 60601-1 standards, making it suitable for medical applications. The VMS-450B-12-CNF is built with a chassis mount type and an enclosed form factor for robust integration into systems.
Key electrical specifications include a ±5% output regulation, a 12 Vdc fan drive output, and a 5 Vdc auxiliary output. The unit also supports remote on/off functionality. Its compact dimensions of 127.0mm x 86.6mm x 50.0mm facilitate installation in various equipment.
Compliance with various standards such as EN 61000-3-2, EN 61000-3-3, and IEC 61000-4 series ensures electromagnetic compatibility. The VMS-450B-12-CNF is RoHS3 compliant and has an MSL rating of 1.
The nominal output voltage is 12 Vdc.
The maximum output current is 37.5 A.
The maximum power output is 450W with forced air cooling.
The typical efficiency is 89%.
The input voltage range is 90-264 Vac.
The dimensions are 127.0mm x 86.6mm x 50.0mm.
It is certified to IEC/EN/UL 60601-1 and complies with standards like EN 61000-3-2 and EN 61000-3-3.