SAMLEX~Rackmount Kit Dual Convenient 19" rack format featuring rigid metal construction. The 2U plate has rack shelves that can be used with any combination of Samlex SEC desktop power supplies, providing a modular configurable system that can been interchanged by the user as needed. The two shelf SEC-R2 rack can also be used to bundle an SEC Power Supply with a mobile radio, DC-AC inverter or a battery pack. SEC-R1 and SEC-R2 Rack Plates are compatible with the following Power Supply models: SEC-1212/SEC-1212CE SEC-1223/SEC-1223CE SEC-1235/SEC-1235M SEC-1223BBM