The APC AP8681 ZeroU PDU offers 11 kW power with 21 C13 and 3 C19 sockets, each individually metered and switchable for fine‑tuned load management. It runs on 400 V input, outputs 230 V at up to 16 A, and tolerates temperatures from –5 °C to 45 °C while operating up to 3000 m altitude.