The CHB300-300S28N-CMFC from Cincon Electronics is a DC to DC Converter with Input Voltage 180 to 425 V, Output Voltage 1 28 V, Output Current 1 10700 mA, Output Power 300000 mW, Isolation Voltage 500 to 3000 V. Tags: Chassis Mount, Buck/Step down. More details for CHB300-300S28N-CMFC can be seen below.