The W12LT3750 from Acopian Technical Company is a DC to DC Converter with Input Voltage 110 to 350 V, Output Voltage 1 12 V, Output Current 1 26.3 to 37.5 A, Output Power 720 W, Isolation Voltage 0.3 kV. Tags: DIN Rail Mount, Buck/Step down. More details for W12LT3750 can be seen below.