A carrier module detachably connected to a busbar is provided, including a main body, an electronic connector, and an elastic member, wherein the elastic member includes at least one elastic portion disposed between the main body and the electronic connector. When a first force is applied on the carrier module along a first direction, the electronic connector is engaged with the busbar in a first position. When a second force is applied on the carrier module along the first direction, the electronic connector moves from the first position along a second direction to a second position relative to the main body and compresses the elastic portion.