A motor control center, MCC, including a cabinet, a bus located within the cabinet, a partition configured to vertically partition an inside of the cabinet, and an MCC unit located on the partition and including a clip connected to the bus, the MCC comprising: a first guide located on a lower surface of the MCC unit and having a protrusion part; and a second guide located on an upper surface of the partition and slidably guiding the first guide in a forward/backward direction, wherein the second guide has rise limiting parts (71, 72) configured to limit rise of the protrusion part, wherein the second guide includes a pair of side guides (73, 74) facing each other and a rear stopper linking rear ends of the pair of side guides (73, 74), wherein the rise limiting parts (71, 72) are provided in the pair of side guides, respectively, wherein the first guide includes a main body part inserted between the pair of side guides (73, 74), and the protrusion part protrudes from a side surface of a lower portion the main body part so as to be stepped, wherein the protrusion part is spaced apart from the lower surface of the MCC unit in a vertical direction below the MCC unit, and the rise limiting parts (71, 72) are spaced apart from an upper surface of the partition in a vertical direction above the partition, and wherein the first guide is provided in plurality on the lower surface of the MCC unit, the plurality of first guides are located in different positions in the width direction of the cabinet and positions in the forward/backward direction on the lower surface of the MCC unit, and the second guide is provided to correspond to the number of the first guide and located in positions corresponding to the positions where the first guide is disposed. a first guide located on a lower surface of the MCC unit and having a protrusion part; and a second guide located on an upper surface of the partition and slidably guiding the first guide in a forward/backward direction, wherein the second guide has rise limiting parts (71, 72) configured to limit rise of the protrusion part, wherein the second guide includes a pair of side guides (73, 74) facing each other and a rear stopper linking rear ends of the pair of side guides (73, 74), wherein the rise limiting parts (71, 72) are provided in the pair of side guides, respectively, wherein the first guide includes a main body part inserted between the pair of side guides (73, 74), and the protrusion part protrudes from a side surface of a lower portion the main body part so as to be stepped, wherein the protrusion part is spaced apart from the lower surface of the MCC unit in a vertical direction below the MCC unit, and the rise limiting parts (71, 72) are spaced apart from an upper surface of the partition in a vertical direction above the partition, and wherein the first guide is provided in plurality on the lower surface of the MCC unit, the plurality of first guides are located in different positions in the width direction of the cabinet and positions in the forward/backward direction on the lower surface of the MCC unit, and the second guide is provided to correspond to the number of the first guide and located in positions corresponding to the positions where the first guide is disposed.