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Power distribution unit Rittal-Werk 7979.234, Metered three-phase PDU, 24 AC outlets (Type F), 400 V, 32 A, IP20
High-end IT rack power distribution: Smart PDU with per-phase energy measurement designed to measure the power consumption of a complete IT rack. This three-phase metered PDU supplies power through 24 Type F AC outlets, provides precise per-phase consumption data on a TFT display, and can be mounted vertically in the zero-U space of compatible Rittal VX IT or TS IT racks without tools. The unit includes an integral real-time clock with battery buffering and an acoustic buzzer for alarms, and supports a total power capacity of 22,000 W.
The Smart PDU measures energy per phase with ±1% kWh accuracy according to EN 62053-21 and is self-supplied, requiring no external power source. Phase and fuse circuits are colour-coded to simplify identification during installation and maintenance. Tool-free mounting and a tool-free divider kit for VX IT racks reduce installation time. Built-in features include adjustable warning and alarm thresholds for voltage, current and power, a resettable operating hours meter (total and cyclical), and a low intrinsic power draw to minimise PDU self-consumption.
Install the PDU vertically in the zero-U space of a compatible Rittal VX IT or TS IT rack and secure it tool-free following the rack manufacturer’s instructions. Connect the three-phase supply and verify phase wiring using the colour-coded markings. Use the TFT display to read per-phase energy and current measurements and to configure adjustable warning and alarm limits for voltage, current and power. Monitor and, if needed, reset the cyclical operating hours meter. Replace the clock battery when prompted to ensure continuous real-time clock operation.
Install this Smart PDU where per-phase measurement and a high outlet count (24 × Type F) are required for accurate rack-level energy accounting and power management. Ensure installation and electrical connections are performed by qualified personnel and verify compatibility with your Rittal VX IT or TS IT rack model. Regularly review alarm settings and battery status to maintain reliable measurement and alerting.
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