Rittal DK 7979.531 PDU metered+ - Per-output energy
Part Number: 7979531
Manufacturer
Rittal
Part number
7979531
Category
Alt Part Number
DK 7979.531
Quick Summary
Rittal DK 7979.531 PDU metered+ powers IT racks with per-outlet energy measurement for data centers. This enables precise load visibility, so operators can prevent overloads, optimize cooling, and reduce energy waste across the rack spine. It complies with EMC Directive 2014/30/EU and EN 62368-1 safety standards, delivering reliable operation in demanding IT environments. With a built-in web server, USB mass-configuration port, and a rotatable, replaceable display, this PDU adapts to evolving rack architectures, including VX IT enclosures. The result is scalable visibility, easier capacity planning, and a clearer path to ongoing energy governance for IT teams and facilities managers.
Product Information
Extended Description
7979531 Rittal: DK PDU metered+, compact basic power distribution incl. energy measurement per output slot, with network interface and display, WLD: 44x1495x70 mm, IEC 60 320: 12x C19
Article number
DK 7979.531
Product description
High-end power distribution in a compact design for IT network and server racks. With power measurement per individual outgoing slot.
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
Sockets
12 x C 19
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
4028177948372
ETIM 9
EC002762
ETIM 8
EC002762
ECLASS 8.0
27142604
Product description
DK PDU metered+, compact basic power distribution incl. energy measurement per output slot, with network interface and display, WLD: 44x1495x70 mm, IEC 60 320: 12x C19
Feature: Per-output energy measurement directly in the PDU. Business Impact: Enables granular power budgeting, accurate chargeback, and targeted cooling strategies across individual outlets. Application: Ideal for data centers and high-density server rooms needing precise load distribution without guessing which devices pull the most power. Feature: 12 x C19 sockets within a 1,495 mm form factor delivering high rack density. Business Impact: Maximizes space efficiency while maintaining serviceability and future scalability. Application: Suitable for IT racks in data centers and edge deployments where space is at a premium and capacity must be planned. Feature: Network interface plus rotatable, replaceable display and firmware-capable USB 2.0 port. Business Impact: Remote monitoring, quick fault isolation, and streamlined provisioning reduce downtime and support costs. Application: Data centers, server rooms, and distributed IT environments requiring fast remote access. Feature: VX IT enclosure compatibility with zero-U mounting option. Business Impact: Fast, tool-free installation minimizes downtime during rack deployment or upgrades. Application: VX IT installations and TS IT rack integrations where retrofit simplicity matters. Feature: Optional Residual Current Monitoring (Type B), CAN bus sensor compatibility, and mass configuration. Business Impact: Improves safety, environmental monitoring, and extends the monitoring graph to ambient conditions. Application: Mission-critical facilities seeking proactive risk management and asset health visibility. Feature: USB 2.0 data logging and HTTP/HTTPS/SSL web protocols for secure access. Business Impact: Improves traceability, firmware updates, and integration with existing IT management workflows. Application: IT operations centers and facilities teams pursuing governance and compliance.
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FAQs
The unit fits typical IT rack footprints with WLD 44x1495x70 mm and is designed for zero-U mounting in VX IT enclosures, supporting tool-free installation. It ships with assembly parts and a 3 m CEE connection cable. For VX IT frames, ensure enclosure length ≥ 1,800 mm and use compatible mounting angles to maintain serviceability.
Energy measurement is available per output slot, with data accessible via the built-in web server or USB data logging. You can report energy per phase or per infeed and log measurements for trend analysis. The system supports firmware updates and mass configuration via USB, enabling scalable monitoring across multiple PDUs.
Yes. With 400 V AC and up to 32 A, 12x C19 outlets, and a 1,495 mm form factor, the PDU delivers high-density power distribution suitable for data centers and edge compute sites. It includes network access for remote monitoring and a rotatable display for flexible rack mounting, making it adaptable to evolving IT architectures.
The PDU complies with EMC Directive 2014/30/EU and EN 62368-1 safety standards, with CE marking supporting reliable operation in IT environments. Optional features include Type B residual current monitoring and CAN bus sensor integration, enhancing safety and environmental monitoring in regulated facilities.
By providing per-output energy visibility, the DK 7979.531 enables precise load balancing, reduced cooling requirements, and better capacity planning. Remote monitoring and straightforward firmware updates lower operational costs, while data logging supports audit trails and maintenance scheduling, delivering measurable energy savings and improved IT governance over time.