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The CUI Inc. VSBU-120-24 is an open-frame AC-DC power supply designed for ITE (Commercial) applications. It delivers up to 120W of continuous power with a single 24VDC output at 5A.
This power supply operates with a universal input voltage range of 90-260 Vac and features active power factor correction (PFC) with a typical efficiency of 80%. Key electrical specifications include line regulation of 1% and load regulation of 5%. It offers protections such as over-voltage and over-current protection.
The unit has a compact, industry-standard 3" x 5" footprint with a height of 1.28" (32.5mm), making it suitable for chassis mounting. The operating temperature range is 0°C to 70°C with derating, and it has a hold-up time of 16ms at full load.
Safety and compliance features include isolation voltage of 4242 Vdc (primary to secondary) and approvals from agencies like UL, TUV, and EN. It meets EMI/EMC standards such as CISPR 22 Class B and FCC Part-15 Class B.
The output voltage is 24 Vdc.
The maximum output current is 5 A.
The maximum output power is 120W.
The input voltage range is 90-260 Vac.
The efficiency is 80%.
The operating temperature range is 0°C to 70°C.
Yes, it has over-voltage protection ranging from 112% to 132% of the output voltage.