The ESM050W-1200-42 from ERP Power, LLC is a constant-current LED driver with AC/DC conversion, 1.2 A output, a 28 to 42 V output range and one output.
The ESM050W-1050-42-Z1 from ERP Power, LLC is a constant-current AC/DC LED driver with 1 output rated 1.05 A across 24 to 42 V, for input voltages of 120 to 277 V.