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The CUI Inc. VSBU-120-48 is an open-frame AC-DC power supply designed for ITE (Commercial) applications. It provides a single output of 48V with a maximum current of 2.5A, delivering up to 120W of continuous power.
This power supply operates with a universal input voltage range of 90-260 Vac and features active power factor correction (PFC) with a typical power factor of 0.95-0.97. It boasts an efficiency of 80% and includes internal EMI filtering. The unit is designed with protections against input surge current, over voltage, overload, and over current.
With an industry-standard 3" x 5" footprint, the VSBU-120-48 has dimensions of 127.0mm x 76.2mm x 32.5mm. It is suitable for chassis mounting and operates within an ambient temperature range of 0°C to 70°C, with derating. Safety approvals include UL 60950-1 and EN 60950-1, with EMC compliance meeting CISPR 22 Class B and FCC Part-15 Class B standards.
90-260 Vac.
127.0mm x 76.2mm x 32.5mm (5.00" x 3.00" x 1.28").
0°C to 70°C (with derating).
48 Vdc at 2.5 A.
UL 60950-1 2nd edition, EN 60950-1 2nd edition.
80% typical at full load.
Over voltage protection (112-132%) and over current protection (110-150%).