The CS1601-9ER from Bel Fuse is a DC to DC Converter with Input Voltage 28 to 140 V, Output Voltage 1 24 V, Output Current 1 4200 mA, Output Power 101000 mW, Operating Temperature -40 to 71 Degree C. Tags: Chassis Mount, Buck/Step down. More details for CS1601-9ER can be seen below.