I use dual xt60 or xt90 connectors for my 3 phase wires of a brushless motor. On the controller side one contact is duplicated in rotational symmetry that allows turning of the 2 connectors to reverse the rotational direction of the motor.

To create a pair with facing mountplates (unlike in my photos) one of them must have one axis mirrored...

Check also my other ebike related content, and comment if you have infos on how to improve my own projects with stuff you might have discovered...

Do some open source work and share it - we don't live forever, nor are these designs timeless so - share it or lose it...