One of the most clever devices we use in our controllers is the Phoenix Contact ® ELR W3 Reversing Contactor. For smaller 480v Motors (Under 5hp) the Phoenix Contact ELR W3 is a time saving device that works perfectly for managing conveyor motors. There are 2 versions - the 2 amp and the 9 amp - and each integrates will with any conveyor control system. They are pricey at about $240 each but if you build control panels with several motors, you will find that using these is a time saving method of connecting motors. Phoenix makes a set of accessories for them including plug in bus connectors. They can daisy chain to the Safety Circuit too.