The TKA30C-C from MEAN WELL USA Inc. is an isolated board-mount DC-DC converter module with 2 outputs, 15 V and -15 V at 250 mA each, and a 36 V to 72 V input.
The TKA30C-B from MEAN WELL USA Inc. is an isolated module DC-DC converter with 2 outputs at 12 V and -12 V, each rated 310 mA, accepting 36 to 72 V input.