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The CUI Inc. VMS-450B-12-CF is an enclosed AC/DC power supply designed for demanding applications, including medical use. It delivers up to 450W of continuous power with a 12Vdc output voltage and a maximum output current of 37.5A.
This power supply operates with a universal input voltage range of 90-264 Vac and features active power factor correction (PFC). Key electrical specifications include a typical efficiency of 89% and a low ripple and noise level of 240mVp-p. It also provides a 12Vdc fan output and a 5Vdc auxiliary output.
Designed for reliability, the VMS-450B-12-CF includes comprehensive protections such as over-voltage, over-current, over-temperature, and short-circuit protection. It is certified to IEC/EN/UL 60601-1 safety standards, making it suitable for medical equipment. The unit is chassis mounted and has dimensions of 127.0mm x 86.6mm x 50.0mm.
Environmental compliance includes RoHS3 compliance and adherence to various EMC standards like EN 60601-1-2 and IEC 61000 series. The operating temperature range is -20°C to 70°C with derating.
90-264 Vac.
12 Vdc at 37.5 A.
-20°C to 70°C with derating.
Typically 89%.
Over voltage protection at 150%, over current protection at 130%.
4000 Vac input to output, 1500 Vac input to ground.
Enclosed chassis mount.