In article ,
Tim h wrote:
What do you want to do with it ? I have never seen what I think
you you mean , but 2 contactors wired side by side does the job
, Tim

A motor reversing contactor set is two contactors
side_by_side, but with mechanical interlocks to
prevent both contactors being On at the same time.
That could be used as a changeover contactor.

--
Tony Williams.