Rack PDU, Metered, 2U, 30A, 120V, 16x5-20R. Metered Rack 1.92kVA PDU. The American Power Conversion (APC) Metered Rack Power Distribution Unit (PDU) distributes power to devices in the rack. It has a sensor that measures the current used by the PDU and its attached devices. It can be monitored through Web, Telnet, SNMP, SSH, or InfraStruXure Manager interfaces.