Power needs to be cut off to switch coils after turnout is set to route.
Lionel & MTH uses wiping fingers contracts on Standard Gauge switches to do this.
Switch attached to points throwbar could be add to the Ross switch throwbar.
A stalling motor type switch motor like tortoise can not burn out and maybe the best choice.
Atlas O sells a electronic board to also prevent burnouts, that may work with standard gauge switches with twin coil mechs.