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The CUI Inc. VMS-450C-12-CFS is a robust AC-DC power supply designed for demanding applications. It provides a stable 12V output voltage with a maximum current of 33.3A, delivering up to 400W of power under forced air cooling. The unit operates with a wide input voltage range of 90-264 Vac or 127-370 Vdc and boasts a high typical efficiency of 91% at 230 Vac.
This enclosed power supply features a chassis mount design for easy integration into systems. It includes essential features such as active Power Factor Correction (PFC), remote sense capabilities, a 5V standby output, and a 12V fan output. The operating temperature range is -40°C to 70°C, with derating applied at higher temperatures. Safety certifications include 60601 and compliance with 60335 and 61558 standards, making it suitable for ITE (Commercial) and Medical applications.
Key electrical specifications include ±1% load regulation, ±0.5% line regulation, and protections for over-voltage, over-current, short-circuit, and over-temperature conditions. The dimensions are 160.0mm x 86.0mm x 43.0mm, providing a compact solution for its power rating.
The AC input voltage range is 90 to 264 Vac, and the DC input range is 127 to 370 Vdc.
The nominal output voltage is 12 Vdc (adjustable range 11.4-12.6 Vdc) with a maximum output current of 33.3 A, providing 400 W output power with forced air cooling.
The operating temperature range is -40°C to 70°C with derating.
It is certified to medical standard 60601-1 and designed to meet household standard 60335-1 and 61558 safety requirements, with approvals from CE, cURus, and UKCA.
Yes, it features active PFC with a typical power factor of 0.98 at 115 Vac full load and 0.95 at 230 Vac full load.
The dimensions are 160.0 mm x 86.0 mm x 43.0 mm and it is designed for chassis mount.