A hand-held electromechanical surgical device (100) configured to selectively connect with a surgical accessory, the electromechanical surgical device comprises: a handle assembly that includes: a feeding group (101) that includes: a core assembly (106) having : a plurality of motors (152, 154, 156), each motor having a rotary drive shaft (152a, 154a, 156a) extending therefrom, where each drive shaft is parallel to each other; a processor (142) connected to each motor and configured to control it; and a battery (144) electrically connected to the processor and each motor; and an inner housing (110) that encloses at least the plurality of motors, the processor and the battery, the inner housing includes at least one control interface (130, 132a, 132b, 136a, 136b) operable to control a functionality of the minus one of the plurality of engines; an outer housing housing (10) configured to selectively substantially enclose the entire feed group (101) therein, where a rotation of each rotary drive shaft of each motor is transmitted through the inner housing and the housing housing exterior, and wherein the outer housing housing includes at least one control button (30, 32a, 32b, 36a, 36b) in operational alignment with each control interface of the power supply group; wherein the actuation of the at least one control button acts on the at least one control interface that is in operational alignment with it to control the functionality of the at least one of the plurality of motors, characterized by: the handle assembly supports at least one electrical connector (149) that is in electrical communication with the processor, a barrier plate assembly (60) interposed between the power group (101) and the outer housing housing (10), the plate assembly barrier includes and supports at least one rotary coupling shaft (64a, 64b, 64c), each coupling shaft includes a proximal end configured to receive forces from a respective rotary drive shaft, and a distal end protruding from the