Thomas Research Products 20W LED Driver, 350mA, 24-48VDC, 0-10V Dimmable

Enclosed AC/DC Power Supply, 48V 250mA 12W Chassis Mount IP66
18V 1.1A Chassis Mount AC/DC Power Supply, 20W, IP66, CE, cULus

28V 3.57A Chassis Mount AC/DC Power Supply, 89% Efficiency, IP66