| Category | |
| Manufacturer Name | |
| Applications | |
| Approval Agency | |
| Current | |
| Efficiency | |
| Features | |
| Frequency | |
| Height | |
| Length | |
| Mounting Type | |
| No Load Power Consumption | |
| Number of Outputs | |
| Operating Temperature | |
| Output Current | |
| Output Voltage | |
| Package / Case | |
| Power (Watts) | |
| Standard Number | |
| Temperature Coefficient | |
| Type | |
| Voltage | |
| Width |
The CUI Inc. VMS-450C-27-CFS is an AC-DC power supply designed for various applications requiring reliable power conversion. It offers a nominal output voltage of 27V and can deliver up to 451W of power with forced air cooling, or 250W under natural convection.
The unit accepts a wide AC input voltage range of 90-264 Vac and also supports a DC input range of 127-370 Vdc. Key electrical features include active Power Factor Correction (PFC), a typical efficiency of 93.5% at 230 Vac, and low ripple and noise of 200 mVp-p at full load.
Designed for versatility, the VMS-450C-27-CFS operates within a temperature range of -40°C to 70°C with derating. It includes protections such as over-voltage, over-current, and over-temperature shutdown. The power supply is certified to the 60601 safety standard and designed to meet 60335 and 61558 requirements, making it suitable for ITE (Commercial) and Medical applications.
This model features an enclosed chassis mount design with dimensions of 160.0mm x 86.0mm x 43.0mm. It also supports features like remote sense, standby output, and adjustable output.
The nominal output voltage is 27 Vdc, with a range of 25.65 to 28.35 Vdc.
The maximum output power is 451W with forced air cooling.
The input voltage range is 90-264 Vac or 127-370 Vdc.
The typical efficiency is 93.5% at 230 Vac.
The operating temperature range is -40°C to 70°C.
The RoHS status is RoHS3 Compliant.