Rittal DK 7979.231 PDU metered - Energy metering per phase
Part Number: 7979231
Manufacturer
Rittal
Part number
7979231
Category
Alt Part Number
DK 7979.231
Quick Summary
Rittal PDU metered delivers compact, energy-aware power distribution for IT racks. This solution provides per-phase energy measurement and a built-in network interface to simplify monitoring and management. In dense data-center environments, losing visibility into load and energy use leads to inefficiencies and unexpected cooling costs. The unit is CE-conformant and EN 62368-1 compliant, with EMC Directive 2014/30/EU certification to support safe operation in regulated facilities. Its zero-U mounting option in VX IT frames saves rack space while the rotatable display and USB/Web interface enable quick commissioning and ongoing visibility. With a 3 m connection cable and 12 x C19 sockets, it scales to modern rack configurations and supports integration with ambient sensors for proactive asset management.
Product Information
Extended Description
7979231 Rittal: PDU metered 32A/3P CEE 12xC19, DK PDU metered, Compact basic power distributor incl. energy mearsuremnt per phase, with network interface and display, WHD: 44x1495x70 mm
Article number
DK 7979.231
Product description
High-end power distribution in a compact design for IT network and server racks. With power measurement at the infeed or per phase.
Benefits
For vertical mounting, it may be attached in the zero-U space of the Rittal VX IT or TS IT rack with no need for tools
Technical specifications
Display/controller unit in the PDU enclosure rotatable through 180° and replaceable
Material
Aluminium section, black anodised | Slots: Plastic
Supply includes
Assembly parts
Options
Type 3 overvoltage protection with interchangeable arresters while operational, with status monitoring, suitable for integration into PDU enclosure | Residual current measurement (type B) per infeed/phase/fuse | Monitoring of the optionally available overvoltage protection | CMC III CAN bus sensors may be connected for ambient monitoring, max. 16 sensors | Other enclosure colours are available
Measurement functions, description
Measurement per phase or infeed
Dimensions
Width: 44 mm | Depth: 70 mm | Length: 1,495 mm
No. of sockets and type
12 x C19
Rated operating voltage
400 V (AC)
Rated current (max.)
32 A
Power consumption
22 kW
Infeeds
Qty.: 1 | Phases per infeed: 3~
Length of connection cable
3 m
Type of electrical connection
CEE
Interfaces
USB 2.0 port (USB-A) for mass configuration, firmware updates & data logging
Number RJ45 ports for sensor units max
6
Directives
EMC Directive 2014/30/EU
Standards
EN 62368-1
Protocols
Web server (HTTP, HTTPS, SSL) SSH, Telnet, NTP
Operating temperature range
5 °C...50 °C
Ambient humidity (non-condensing)
10...95 %
Storage temperature range
-20 °C...70 °C
To fit
Enclosure type: VX IT enclosure frame: ≥ 1,800 mm | Enclosure type: VX IT 19" mounting angles: ≥ 1,800 mm
Packs of
1 pc(s).
Customs tariff number
85369095
EAN
4028177947719
ETIM 9
EC002762
ETIM 8
EC002762
ECLASS 8.0
27142604
Product description
PDU metered 32A/3P CEE 12xC19, DK PDU metered, Compact basic power distributor incl. energy mearsuremnt per phase, with network interface and display, WHD: 44x1495x70 mm
Feature energy metering per phase → Business Impact improved energy visibility and cost control → Application IT rack power distribution in data centers enables precise load management and energy budgeting. Feature compact high density design → Business Impact space savings and easier integration → Application VX IT rack deployments with zero-U mounting reduce chassis clutter. Feature network interface plus display → Business Impact remote monitoring and faster fault detection → Application Data centers requiring centralized management and real-time status dashboards. Feature rotatable 180° display and replaceable controller → Business Impact simplified on-site service and flexible installation → Application Server rooms with constrained access or awkward mounting angles. Feature 12 x C19 sockets at 32 A / 400 V → Business Impact scalable power distribution for multi‑server racks → Application High‑density IT enclosures and mixed equipment racks. Feature options including Type 3 overvoltage protection and ambient sensors → Business Impact enhanced safety and predictive maintenance → Application Critical infrastructure requiring protection and environmental awareness. Feature USB 2.0 for mass configuration and data logging → Business Impact streamlined deployment and audit trails → Application Large estates needing consistent firmware updates and configuration reproducibility.
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FAQs
The PDU is designed for VX IT enclosure frames with zero-U mounting options, enabling tool-free installation in compatible rack systems. It ships with assembly parts and a 3 m power/infeed cable for flexible positioning. For installation, ensure correct 400 V three‑phase infeed and connect via CEE plug; use the USB port for mass configuration and firmware updates.
Key specs include 32 A maximum current at 400 V AC, 12 x C19 outlets, 3 m connection cable, and a rotatable display/controller unit. It provides energy measurement per phase, a Web server interface (HTTP/HTTPS/SSL), SSH, Telnet, NTP, and USB‑A for data logging and configuration.
Yes. The unit complies with EMC Directive 2014/30/EU and EN 62368-1 as part of its safety and performance framework. It is designed for use in regulated IT environments and carries the CE conformity mark, ensuring alignment with European safety and electromagnetic compatibility requirements.
Ambient monitoring is possible through optional CAN bus sensors (CMC III) with up to 16 sensors. This enables ambient and enclosure monitoring, enabling proactive maintenance and improved asset management alongside the PDU’s energy measurements.
The PDU includes a network interface and a USB 2.0 port for mass configuration and data logging. It supports HTTP, HTTPS, SSL web access, SSH, Telnet, and NTP protocols for remote management, firmware updates, and time synchronization, simplifying large-scale deployment and ongoing administration.