A hybrid switch assembly for a circuit breaker assembly, said circuit breaker assembly including a housing assembly and an operating mechanism, said housing assembly defining a number of power electronic switch assembly cavities, said hybrid switch assembly comprising: a number of conductor assemblies, each conductor assembly including a movable conductor and a stationary conductor; wherein each movable conductor is movably coupled to said housing assembly and structured to move between an open, first position, wherein each movable conductor is spaced from and not in electrical communication with an associated stationary conductor, and a closed, second position, wherein each movable conductor is coupled to and in electrical communication with an associated stationary conductor, wherein said operating mechanism is structured to move a number of the movable conductors between the open, first position, and the closed, second position; a power electronic switch assembly; and each power electronic switch assembly structured to commutate and interrupt a current; each said power electronic switch assembly includes power electronic circuit assembly and a power electronic switch conductor assembly; each said power electronic circuit assembly structured to commutate and interrupt a current; each said power electronic switch conductor assembly including a first bus and a second bus; each first bus coupled to, and in electrical communication with, an associated stationary conductor and said power electronic circuit assembly; and each second bus coupled to, and in electrical communication with, an associated movable conductor and said power electronic circuit assembly; wherein each said power electronic circuit assembly is structured to be changed between a first state, wherein a current cannot pass through said power electronic circuit assembly, and a second state, wherein a current can pass through said power electronic circuit assembly; each said power electronic switch assembly includes a mechanical trigger relay assembly; each said mechanical trigger relay assembly including a relay and an electronic circuit; each said mechanical trigger relay assembly structured to be mechanically actuated by said movable conductor; each said mechanical trigger relay assembly structured to provide a trigger signal via the electronic circuit; each said mechanical trigger relay assembly relay disposed in the path of travel of an associated movable conductor; wherein, when said mechanical trigger relay assembly relay is actuated, said mechanical trigger relay assembly provides said trigger signal; each said power electronic circuit assembly structured to switch from said first state to said second state when said trigger signal is received, and, after a predefined time, switch from said second state to said first state; and each said mechanical trigger relay assembly in electronic communication with an associated power electronic circuit assembly. a number of conductor assemblies, each conductor assembly including a movable conductor and a stationary conductor; wherein each movable conductor is movably coupled to said housing assembly and structured to move between an open, first position, wherein each movable conductor is spaced from and not in electrical communication with an associated stationary conductor, and a closed, second position, wherein each movable conductor is coupled to and in electrical communication with an associated stationary conductor, wherein said operating mechanism is structured to move a number of the movable conductors between the open, first position, and the closed, second position; a power electronic switch assembly; and each power electronic switch assembly structured to commutate and interrupt a current; each said power electronic switch assembly includes power electronic circuit assembly and a power electronic switch conductor assembly; each said power electronic circuit assembly structured to commutate and interrupt a current; each said power electronic switch conductor assembly including a first bus and a second bus; each first bus coupled to, and in electrical communication with, an associated stationary conductor and said power electronic circuit assembly; and each second bus coupled to, and in electrical communication with, an associated movable conductor and said power electronic circuit assembly; wherein each said power electronic circuit assembly is structured to be changed between a first state, wherein a current cannot pass through said power electronic circuit assembly, and a second state, wherein a current can pass through said power electronic circuit assembly; each said power electronic switch assembly includes a mechanical trigger relay assembly; each said mechanical trigger relay assembly including a relay and an electronic circuit; each said mechanical trigger relay assembly structured to be mechanically actuated by said movable conductor; each said mechanical trigger relay assembly structured to provide a trigger signal via the electronic circuit; each said mechanical trigger relay assembly relay disposed in the path of travel of an associated movable conductor; wherein, when said mechanical trigger relay assembly relay is actuated, said mechanical trigger relay assembly provides said trigger signal; each said power electronic circuit assembly structured to switch from said first state to said second state when said trigger signal is received, and, after a predefined time, switch from said second state to said first state; and each said mechanical trigger relay assembly in electronic communication with an associated power electronic circuit assembly.