CONTACTRON Pro Modular Hybrid Motor Starters Phoenix Contact CONTACTRON Pro Modular Hybrid Motor Starters employ hybrid technology that offers 3-phase motor switching up to 5HP, longer service life, and integrated lock-out circuits. These motor starters provide auxiliary contact modules that allow feedback on the motor state implementation of self-sealing motor circuits. The modular starters feature a dedicated safety relay combined with T-bus technology that permits a rapid and reliable shutdown of up to 10 motors. These CONTACTRON pro starters provide forward running, reverse running, and multi-overload protection functions. The Phoenix Contac CONTACTRON pro modular starters are used in distributed motor control, such as conveyor systems and material handling, as well as machine-building applications like fan and pump control.