The 36URA4812LD-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 1 834 mA, Output Power 20000 mW, Output Voltage 2 -12 V. Tags: Chassis Mount, Buck/Step down. More details for 36URA4812LD-20WR3 can be seen below.