Does someone make a fitting that can mate a D-sub connector to a MC cable?

There are d-sub connectors rated for 10's of amps and 300V:

There are some very general purpose backshells that might work, but would not be listed:

The concept is certainly _possible_; 'modular wiring systems' look like they have connectors with backshells that are similar to what you want:

Positronic will make custom backshells for you. Just write your specification on the back of a large enough check. :)
 
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