The RED40-48S12W from Ideal Power Ltd is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 12 V, Output Current 1 3333 mA, Output Power 40000 mW, Isolation Voltage 2250 to 3000 V. Tags: Through Hole, Buck/Step down. More details for RED40-48S12W can be seen below.