TRENDnet TI-S24052, 240W, 52V DC, 4.61A AC to DC DIN-Rail Power Supply with PFC Function - Walmart.com
Amazon.com: TRENDnet 150W, 52V DC, 2.89A AC to DC DIN-Rail Power Supply, TI-S15052, Industrial Power Supply with Built-in Power Factor Controller Function, Silver : Electronics
TIDM-DC-DC-BUCK reference design from Texas Instruments