Rittal DK 7979.276 PDU metered - RCM Certified
Part Number: 7979276
Manufacturer
Rittal
Part number
7979276
Category
Alt Part Number
DK 7979.276
Quick Summary
PDU metered DK 7979.276 provides per-phase energy measurement for IT racks and data centers. Engineers often struggle with visibility into rack-level power use and differential current, which can mask overloads and hinder fault detection. This unit carries RCM compliance and EN 62368-1 safety, along with EMC Directive 2014/30/EU alignment to support CE marking. Designed for IT infrastructure, it combines compact footprint with robust monitoring capabilities to enhance energy governance and reporting. USB mass configuration and a rotatable, replaceable display simplify deployment, firmware updates, and control across multiple racks, delivering tangible reductions in energy waste and improved uptime for critical systems.
Product Information
Extended Description
7979276 Rittal: DK PDU metered, compact basic power distribution incl. energy measurement per phase, with network interface and display, WLD: 44x1695x70 mm, IEC 60 320: 24x C13, 6x C19
Article number
DK 7979.276
Design
Incl. RCM
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
Metered PDU with integral differential current measurement (RCM / type B). The differential current is measured for each phase.
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 | 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
Residual current measurement (type B) per infeed/phase/fuse
Dimensions
Width: 44 mm | Depth: 70 mm | Length: 1,695 mm
No. of sockets and type
24 x C13 / 6 x C19
Rated operating voltage
400 V AC
Rated current (max.)
16 A
Power consumption
11 kW
Infeeds
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
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).
Weight/pack
5.8 kg
Customs tariff number
85366990
EAN
4028177967939
ETIM 9
EC002762
ETIM 8
EC002762
ECLASS 8.0
27142604
Product description
DK PDU metered, compact basic power distribution incl. energy measurement per phase, with network interface and display, WLD: 44x1695x70 mm, IEC 60 320: 24x C13, 6x C19
Feature → Business Impact → Application: Per-phase energy measurement with residual current measurement (type B) provides precise load profiles and fault detection across all infeeds, enabling data-driven capacity planning and improved rack balancing for downtime prevention. Application: IT data centers and VX IT enclosures. Application relevance: reduces energy waste, supports compliance reporting, and enhances fault diagnosis. Feature → Business Impact → Application: Compact WLD 44 x 1,695 x 70 mm form factor with 24 x C13 and 6 x C19 outlets delivers high-density power in a standard IT rack footprint. Impact: minimizes cabinet clutter and simplifies cabinet layout; Application: scalable data-center deployments and modular IT rooms. Feature → Business Impact → Application: Network interface plus USB 2.0 mass configuration supports remote monitoring, firmware updates, and data logging, reducing on-site maintenance time and enabling centralized asset management. Application: distributed IT environments and multi-rack deployments. Feature → Business Impact → Application: Optional Type 3 overvoltage protection and ambient sensors via CMC III CAN bus integration provide proactive protection and environmental insight. Impact: enhances regulatory compliance, improves uptime, and supports predictive maintenance. Feature → Business Impact → Application: Rotatable 180° display and replaceable controller unit simplify servicing and field upgrades, lowering lifecycle costs and reducing downtime during replacements. Application: quick swap in VX IT frames and during periodic maintenance. Feature → Business Impact → Application: Universal enclosure compatibility, 3 m supply cable, and CEE connection enable straightforward installation in new builds or retrofits, accelerating project timelines. Application: IT room upgrades and data-center refresh cycles with minimal disruption.
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FAQs
The DK 7979.276 PDU metered is designed to fit VX IT enclosure frames that are 1,800 mm or wider, aligning with VX IT standard mounting rails. Its compact dimensions (44 mm x 1,695 mm x 70 mm) and 24x C13 / 6x C19 outlets support high-density IT deployments within standard VX IT frames, simplifying integration and reducing cabinet crowding.
Per-phase energy measurement provides granular visibility into power usage across each inlet, enabling precise load balancing and early detection of abnormal draws. Coupled with residual current monitoring (type B), this capability supports efficient capacity planning, reduces risk of overheating, and improves energy governance, ultimately lowering cooling and energy costs while protecting critical equipment.
Plan for a 400 V AC supply with the 3 m CEE cable provided, and ensure enclosure compatibility with VX IT frames. The unit supports USB mass configuration for rapid firmware updates and data logging via USB-A, and network interfaces for remote monitoring. Ensure proper overvoltage protection is considered, using the Type 3 option if required for your environment.
The PDU is designed with EN 62368-1 safety, EMC Directive 2014/30/EU compliance, and RCM certification. These standards ensure electrical safety, electromagnetic compatibility, and regulatory alignment for markets requiring CE marking, providing confidence in long-term reliability for mission-critical IT deployments.
By delivering per-phase energy visibility and remote configuration, operators gain actionable insights to reduce wasted energy and optimize density, delivering faster payback through energy savings. The rotatable, replaceable display and USB/firmware update capabilities lower maintenance costs, while the robust build and regulatory compliance minimize downtime and support long-term asset performance.