A sliding closure assembly, comprising: a frame assembly having a first track portion, a second track portion, and a catch portion; at least one sliding first panel that slides within the first track portion of the frame assembly, the first panel comprising a is projection attached to it; wherein the at least one sliding first panel slides within the first track portion of the frame assembly such that an opening is formed through the closure assembly when the at least one sliding first panel is in an opened position and the opening is closed when the at least one sliding first panel is in a closed position; a second panel adjacent to the at least one sliding first panel and positioned within the second track portion of the frame assembly; and a powered actuator assembly positioned adjacent to the second panel and disposed entirely within the second track portion, the powered actuator assembly comprising a motor configured to drive a drive rod, a clutch assembly selectively coupling the motor to the drive rod, and a drive block moveable by the drive rod and coupled to an engaging member, wherein the motor is configured to power movement of the engaging member, the engaging member including a receiving portion and the projection including a protrusion that is securely received within the receiving portion of the door engaging member thereby coupling the first panel to the powered actuator assembly, the powered actuator assembly further comprising a housing to house the motor, the clutch assembly, and the drive block; wherein the drive rod includes a spiral of varying pitch extending along the length of the drive rod, and wherein the spiral engages the drive block such that rotation of the drive rod in a first direction causes the drive block to move to a first end of the drive rod and rotation of the drive rod in a second direction causes the drive block to move to an opposing second end of the drive rod thereby allowing the transfer of a force from the powered actuator assembly to the first panel to move the first panel within the first track portion. a frame assembly having a first track portion, a second track portion, and a catch portion; at least one sliding first panel that slides within the first track portion of the frame assembly, the first panel comprising a is projection attached to it; wherein the at least one sliding first panel slides within the first track portion of the frame assembly such that an opening is formed through the closure assembly when the at least one sliding first panel is in an opened position and the opening is closed when the at least one sliding first panel is in a closed position; a second panel adjacent to the at least one sliding first panel and positioned within the second track portion of the frame assembly; and a powered actuator assembly positioned adjacent to the second panel and disposed entirely within the second track portion, the powered actuator assembly comprising a motor configured to drive a drive rod, a clutch assembly selectively coupling the motor to the drive rod, and a drive block moveable by the drive rod and coupled to an engaging member, wherein the motor is configured to power movement of the engaging member, the engaging member including a receiving portion and the projection including a protrusion that is securely received within the receiving portion of the door engaging member thereby coupling the first panel to the powered actuator assembly, the powered actuator assembly further comprising a housing to house the motor, the clutch assembly, and the drive block; wherein the drive rod includes a spiral of varying pitch extending along the length of the drive rod, and wherein the spiral engages the drive block such that rotation of the drive rod in a first direction causes the drive block to move to a first end of the drive rod and rotation of the drive rod in a second direction causes the drive block to move to an opposing second end of the drive rod thereby allowing the transfer of a force from the powered actuator assembly to the first panel to move the first panel within the first track portion.