Artesyn Embedded Technologies Switching Power Supply, LPS109-M, 54V dc, 1.85A, 100W, 1 Output, 120 → 300 V dc,

The Emerson Network Power LPS100-M series is a family of Medical Power supplies. These Power supplies have a very small open frame design. The LPS100-M has a full load efficiency of 88% and a power density in excess of 14 W per cubic inch.
This Medical Power supply is ideal for applications in Information Technology Equipment (ITE), light industrial systems and medical applications in low power medical, dental and laboratories.

Medical and ITE safeties
Active power factor correction
Miniature size 2x4 inch, high power density
Adjustable main output
100W (80W for LPS102-M) ouput power convection cooled, 150W (120W for LPS102-M) with 30CFM forced air
Isolated 12V Fan output
Built in Class B EMI filter
Low power logic control
Remote sense
Fits into 1U high applications
550,000 hours demonstrated MTBF
Overload, overvoltage and thermal overload protection
EN61000-3-2 compliant

UL 60950, 60601-1

TUV, CB, UL recognised component for US