Apc AP7921B Power Distribution Switched 1U 16A 8X C13. APC AP7921B Power Distribution Switched 1U 16A 8x C13 This APC Switched Rack PDU power distribution unit has a wide range of standardised PDU features that increase network efficiency, manageability and functionality. The output and input connections are (8)C13. Network management capabilities allow you to configure and manage rack PDUs from remote locations. It has a local current monitoring display that gives a visible warning in case of an overload. The remote individual outlet control provides real-time monitoring of connected loads. It has a multi-tier user access that enables you to restrict unauthorised use of outlets. This rack has a single input power source making it easy to install.