This listing is for a used Newmar Unity Rectifier Shelf, model URS with part number 445-4253-0. The unit has been removed from a working environment and has been tested to ensure full functionality. It may show minor signs of cosmetic wear, such as scuffs or scratches, consistent with previous enterprise use. This shelf is designed to house Newmar Unity series rectifier modules, converting AC power to DC power for telecommunications or other industrial applications. Please verify compatibility with your existing system and modules before purchasing. The sale includes the rectifier shelf chassis as pictured. It does not include any rectifier modules, power cords, or other accessories. All items are professionally handled and will ship from our facility in Fort Mohave, AZ 86426.