APC AP7953 Switched Rack PDU. This listing is for an APC AP7953 ZeroU Switched Rack Power Distribution Unit. Designed for efficient power distribution in server, networking, and IT rack environments, this unit features 21 x C13 outlets and 3 x C19 outlets with a 32A 230V capacity. ZeroU switched rack PDU. 21 x C13 outlets. 3 x C19 outlets. Suitable for server and network rack environments. May show some cosmetic signs of previous use. Please review all photos carefully for the overall condition and exactly what is included. 1 x APC AP7953 Switched Rack PDU. Only items shown in the photos are included. This is a long rack-mounted unit, so please review dimensions carefully. Only what is shown in the photos is included.