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This CUI Inc. SMI24 series AC-DC power supply, model SMI24-48-K-P5R, delivers up to 24W of continuous power with a 48V output voltage and a maximum current of 0.5A.
Designed for versatility, it operates within a universal input voltage range of 90-264 Vac and 47-63 Hz. The unit boasts DoE Level VI and CoC Tier 2 efficiency, with a low no-load power consumption of typically 0.075W. It includes over-voltage, over-current, and short-circuit protections for enhanced reliability.
The power supply is certified to 60950-1 and 62368-1 standards and carries UL/cUL, RCM, CCC, and PSE safety approvals. Its compact wall mount form factor (Class II) and interchangeable AC blades make it suitable for international applications.
Key electrical specifications include a maximum ripple and noise of 480mVp-p at full load, and isolation voltage of 3,000 Vac. The operating temperature range is 0°C to 40°C. The output connector is a Barrel Plug R/A with 2.1mm I.D. x 5.5mm O.D. x 9.5mm dimensions and positive center polarization.
90-264 Vac, 47-63 Hz.
48 Vdc at 0.5 A (24W).
0°C to 40°C.
75.0 mm L x 35.0 mm W x 65.6 mm H.
Average efficiency is 88.2%, with 79.1% at 10% load.
3000 Vac input-to-output for 1 minute.
Over voltage (75 Vdc), over current (1.2 A), and short circuit protection with auto recovery.