The 36URB4812LD-20WR3 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 1667 mA, Output Power 20000 mW, Isolation Voltage 1500 V. Tags: Chassis Mount, Buck/Step down. More details for 36URB4812LD-20WR3 can be seen below.