Rittal DK 7979.539 PDU metered+ - EN 62368-1
Part Number: 7979539
Manufacturer
Rittal
Part number
7979539
Category
Alt Part Number
DK 7979.539
Quick Summary
Rittal DK 7979.539 PDU metered+ enables per-slot energy measurement for IT racks and data centers. This compact high-end distribution unit delivers visibility into individual outlet loads, helping you optimize cooling, capacity, and uptime. Engineers often struggle with unseen power usage, overload risks, and limited monitoring—this PDU addresses those challenges with precise per-output measurement, a built-in display, and network access. It carries CE marking, EMC Directive conformity, and EN 62368-1 safety certification, ensuring regulatory compliance in enterprise environments. Its slim VX IT compatibility, web interface, rotatable controller, and zero-U mounting support fast deployment and enable ongoing power monitoring across your IT infrastructure.
Product Information
Extended Description
7979539 Rittal: DK PDU metered+, compact basic power distribution incl. energy measurement per output slot, with network interface and display, WLD: 44x1695x70 mm, IEC 60 320: 12x C13 + 12x C19
Article number
DK 7979.539
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: 1,695 mm
No. of sockets and type
12 x C13 / 12 x C19
Sockets
12 x C 13 | 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: ≥ 2,000 mm
Packs of
1 pc(s).
Customs tariff number
85369095
EAN
4028177948457
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: 44x1695x70 mm, IEC 60 320: 12x C13 + 12x C19
Feature: Per-output energy measurement provides exact load data for every outlet. Business Impact: Enables precise capacity planning, optimized cooling, and reduced risk of overloading individual circuits. Application: Ideal for dense server racks and high-availability IT rooms. Feature: 12 x C13 and 12 x C19 sockets with 400 V AC, 32 A max. Business Impact: Supports high-density power distribution without sacrificing safety or compliance. Application: Data center row power distribution and VX IT enclosure setups. Feature: Network interface and USB mass-configuration support. Business Impact: Streamlines deployment, firmware updates, and centralized monitoring across multiple PDUs. Application: IT rooms with scalable infrastructure monitoring. Feature: Rotatable 180° display and replaceable controller. Business Impact: Simplifies maintenance and on-site configuration without disassembly. Application: Rack-side diagnostics and quick troubleshooting. Feature: Zero-U mounting compatibility with Rittal VX IT racks. Business Impact: Maximizes available space and reduces installation time. Application: Vertical mounting in zero-U rack spaces. Feature: Optional overvoltage protection, CAN bus sensors, and enclosure monitoring. Business Impact: Elevates protection of critical loads and enables ambient monitoring for compliance. Application: Enclosures requiring proactive protection and environmental awareness. Feature: Compliance with EMC Directive and EN 62368-1 safety standards. Business Impact: Helps meet regulatory requirements and customer audits. Application: IT infrastructure in regulated industries and data centers.
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FAQs
Installation is designed for zero-U mounting within VX IT frames. Start by confirming infeed alignment with the three-phase 400 V supply, then attach the PDU to the rack framework using the provided assembly parts. The rotatable display can be oriented for easy visibility, and the USB interface enables mass configuration and firmware updates without disassembly. This setup minimizes downtime and supports scalable deployments.
Per-output energy measurement provides granular load data for each outlet, enabling precise balancing of workloads across servers, storage, and networking gear. This visibility supports proactive capacity planning, targeted cooling adjustments, and risk reduction from overloading individual outlets. It also simplifies chargeback and cost allocation for IT services by associating power usage with specific devices.
Yes, the PDU is designed for 400 V AC IT environments and supports a single 3-phase infeed. The 3 m connection cable and CEE-type input are designed for data center wiring practices. With a max current of 32 A and 22 kW rating, it accommodates high-density server racks while maintaining safe, compliant operation across modern IT deployments.
This PDU adheres to CE marking, EMC Directive 2014/30/EU, and EN 62368-1 safety standards. These certifications ensure electrical safety, electromagnetic compatibility, and product safety requirements are met, which is essential for audits, regulated industries, and customers needing proven compliance for IT infrastructure investments.
The DK 7979.539 includes a USB interface for firmware updates and data logging, plus a network interface for ongoing monitoring. Optional CAN bus sensors can be connected for ambient monitoring to track temperature, humidity, or enclosure conditions. These features support proactive maintenance, reduce unplanned downtime, and enhance environmental visibility across IT rooms.