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Power distribution units for IT racks

31 May 2015

Rittal has introduced four compact power distribution units (PDUs) for professional power distribution in IT racks that halves the time it takes to assemble a system compared with screw-in PDUs.

The system employs snap-in technology so not only is it very quick and easy to assemble, there is also no need for tools. Up to four PDUs can be mounted in the zero-U-space, (the space between the side of the 19in level and the side panel of an 800mm wide IT rack) so no height units for servers are wasted.
The 'PDU basic' provides a robust and compact basis power distribution for the IT environment. The insert strip is easily connected and is immediately functional.

The 'PDU metered' variant has an internal web interface and an Ethernet port so performance data on an entire IT rack can be cost-effectively monitored.

The 'PDU switched' model builds on this functionality, allowing the user to turn individual output slots on and off via the web interface. 

The 'PDU managed' version takes this one step further. It has been developed specifically for use in high-end IT racks and offers power distribution with power measuring and monitoring functions for each individual output slot. 

All the PDUs feature the standard international data centre CEE connectors with a three-metre long connection cable and C13 and C19 slots. A country-specific variant is also available
for the UK market. 

They are available in single-phase or three-phase versions; phase currents of 16A and 32A can be supported, depending on the type of PDU, which means electrical outputs of
over 22kW can be distributed by one rack PDU. 

The complete PDU range can be easily integrated into a Data Centre Infrastructure Management (DCIM)-Software application such as Rittal RiZone. This is achieved automatically by the Autoscan function with Rittal’s RiZone software. Energy consumption is monitored efficiently and safely, and then logged. The intelligent power distribution bars can be easily configured and managed via a web interface. 

All measurements such as voltage, phase and neutral currents, as well as active and apparent power, active energy and power factor are displayed on a web page. Suitable alarm limits can be clearly defined so that the administrator can react quickly in an emergency. 

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