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The CUI Inc. VSBU-120C-D285 is an open frame AC-DC power supply designed for ITE (Commercial) applications. It features a universal input voltage range of 90-264 Vac and a frequency range of 47-63 Hz.
This power supply offers dual outputs: a nominal 5Vdc and a nominal 28Vdc. The 5V output can deliver up to 0.4A, while the 28V output can deliver up to 0A. The maximum combined output power is 3.92W. It includes features such as active power factor correction (PFC) and protections for over-voltage, over-current, and short-circuit conditions.
With an efficiency of 80% typical, the VSBU-120C-D285 operates within an ambient temperature range of 0°C to 70°C (with derating). It has an industry-standard 3" x 5" footprint and is designed for chassis mounting.
Safety certifications include IEC/EN/UL 62368-1 and CE, cURus approvals. It meets EMI/EMC standards such as CISPR-32/EN 55032 Class B. The unit has an isolation voltage of 4242 Vdc from input to output and 2121 Vdc from input to earth ground.
The VSBU-120C-D285 provides a nominal 5Vdc and a nominal 28Vdc output.
The maximum output power for the VSBU-120C-D285 is 3.92W.
The typical efficiency of the VSBU-120C-D285 is 80%.
The operating temperature range is 0°C to 70°C, with derating.
It is certified to IEC/EN/UL 62368-1 and has CE, cURus approvals.