AP8981 APC Switched Rack PDU 2g Zero U. APC Rack PDU 2G – AP8653 – Power Distribution (Metered by Outlet with Switching, ZeroU, 32A, 230V, 21 Outlets C13 & 3 Outlets C19, IEC 309, 32A). Individual outlet level power metering provides a more granular view of the power distributed to equipment within the enclosure. It also provides the ability to analyze component power trends and perform capacity planning. Indicates overload and warning conditions based on the user-defined alarm thresholds. Alerts users of potential overloaded circuits.