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The CUI Inc. VMS-550-24 is an AC/DC converter delivering a single 24 Vdc output at up to 6.25 A (150 W continuous, 550 W with forced air cooling). It accepts a universal input of 90-264 Vac at 47-63 Hz and achieves a typical efficiency of 91%. The converter includes active power factor correction (0.95 typical) and low no-load power consumption of 0.7 W.
Protection features include over voltage (110-140%), over current (110%), short circuit, and over temperature protection, all with hiccup mode and auto recovery. The output is adjustable ±3% via a built-in trim pot. Ripple and noise is 240 mVp-p maximum, and line/load regulation are ±0.5% and ±1% respectively.
Designed for medical applications, the VMS-550-24 provides 4.2 kV input-to-output isolation (2 x MOPP) and carries approvals from UL, TUV, EN, IEC, CB Scheme, and FCC (Class B). It operates over -40°C to 70°C with derating and is housed in a chassis-mount open-frame package measuring 127.0 x 76.2 x 38.1 mm.
The input voltage range is 90-264 Vac at 47-63 Hz.
The output voltage is 24 Vdc and the maximum output current is 6.25 A.
The operating temperature range is -40°C to 70°C with derating.
It is a chassis mount open frame package.
It includes over voltage protection (110-140%), over current protection (110%), short circuit protection, and over temperature protection, all with auto recovery.