RAC-MB1 bracket of RECOM supports the installation of power modules. There are 3 to 4 screws on the left and right sides of the long side of the enclosure. Therefore, it is not necessary to enter from below through the mounting plate, which is conducive to intensive installation. The mounting plate used extensively to fasten various components makes subsequent access difficult. The various screw placement options facilitate assembly and also facilitate heat transfer through the sleeve. RAC-MB1 is made of stainless steel springs and is durable in traction and packaged in convenient quantities.