Ultravolt 4C24-N125-I5-DA-H Non-Isolated DC-DC Converters HPC-Series DC to HVDC Converter, Single output (Unipolar), +24V Input, -4000V DC HVout, 125W, Chassis/Thru-hole Mount, Regulated, I5 Interface 0 to +5 Monitors/Controls, Male DA-15 type connector, Heatsink