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The CUI Inc. VOF-225A-12-1 is an open-frame AC/DC converter designed for chassis mount applications. It accepts a universal input of 80 to 264 Vac at 47 to 63 Hz and delivers a regulated 12 Vdc output with a maximum current of 18.75 A.
Under natural convection cooling, the unit provides 120 W of output power. With 13 CFM forced air cooling, the output power increases to 225 W. Key electrical specifications include a typical efficiency of 92%, ripple and noise of 120 mVp-p, and line/load regulation of ±0.5% and ±1% respectively.
The converter includes multiple protection features: over voltage protection (110-140%), over current protection (110%), and short circuit protection with hiccup mode and auto recovery. Isolation is rated at 3000 Vac from input to output and 1500 Vac from input to ground.
Housed in a compact 101.6 x 50.8 x 25.4 mm open-frame package, the VOF-225A-12-1 operates over a -40°C to +70°C temperature range with derating. It is safety approved to EN 60950-1, IEC 60950-1, and UL 6095 standards.
The output voltage is 12 Vdc.
The maximum output current is 18.75 A.
The operating temperature range is -40°C to 70°C with derating.
It is approved to EN 60950-1, IEC 60950-1 (ed.2), and UL 6095.
The input voltage range is 80 to 264 Vac.
Over voltage protection (110-140%), over current protection (110%), and short circuit protection with hiccup mode and auto recovery.
The maximum efficiency is 92%.