Hi

There is a crane with no mechanical interlock with two motors each side. When the pendant push button is pressed both motors will either drive the crane up or down. The trouble is one of the contactors has been falling out in and out and puts a heavy twisting action on the crane.

Obviously this needs to be fixed but is it possible to put some sort of electrical interlock where if one of the contactors falls out both will.

Obviously there already is an FWD/RVS interlock but can't seem to work out a way to do this

thanks!

 

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