Rittal DK 7979.442 PDU - EN 62368-1 Safety Standard
Part Number: 7979442
Manufacturer
Rittal
Part number
7979442
Category
Alt Part Number
DK 7979.442
Quick Summary
Rittal DK 7979.442 PDU is a high-end power distribution unit with energy measurement for IT racks. In dense server environments, tracking energy use per outlet and preventing overloads is a constant challenge. The device complies with CE marking, EMC Directive 2014/30/EU, and EN 62368-1 safety standards. This combination supports efficient energy governance and reliable uptime, while enabling seamless integration with VX IT enclosures and standard 19'' mounting rails to optimize existing data center investments.
Product Information
Extended Description
7979442 Rittal: DK PDU international, managed, high-end power distribution incl. energy measurement, switching and monitoring functions per output slot, with network interface and display, WLD: 44x1695x70 mm, IEC 60 320: 42x C13
Article number
DK 7979.442
Product description
High-end power distribution in a compact design for IT network and server racks. Depending on the design, they come with an extensive range of management functions for energy measurement and monitoring.
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
Emergency power supply to PDU web server via PoE, sequential disconnection of the outputs
Dimensions
Width: 44 mm | Depth: 70 mm | Length: 1,695 mm
No. of sockets and type
42 x C13
Sockets
42 x C 13
Rated operating voltage
400 V (AC)
Rated current (max.)
16 A
Power consumption
11 kW
Infeeds
Qty.: 1 | Phases per infeed: 3~
Length of connection cable
3 m
Type of electrical connection
CEE
Interfaces
Fully redundant Ethernet interface 10/100/1000 Mbit/s (2x RJ45, 1x with PoE)
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
4028177948259
ETIM 9
EC002762
ETIM 8
EC002762
ECLASS 8.0
27142604
Product description
DK PDU international, managed, high-end power distribution incl. energy measurement, switching and monitoring functions per output slot, with network interface and display, WLD: 44x1695x70 mm, IEC 60 320: 42x C13
Feature: Energy measurement and monitoring per output slot, with a rotatable display and network interface. Business Impact: Delivers granular visibility into power usage, enabling load balancing and reduced cooling costs. Application: Data centers and enterprise server rooms requiring actionable energy data. Feature: 42 x C13 sockets on a 400 V AC, 16 A per inlet, with a total capacity of 11 kW. Business Impact: Scales power provisioning for high-density racks and multi-tenant configurations, improving reliability. Application: IT racks in modern data centers and VX IT enclosures. Feature: Fully redundant Ethernet interface with 10/100/1000 Mbit/s (2x RJ45, 1x PoE). Business Impact: Enables robust remote management and secure access, reducing on-site visits. Application: Remote diagnostics and centralized IT operations. Feature: Optional overvoltage protection with interchangeable arresters and CAN bus sensors for ambient monitoring. Business Impact: Increases protection against faults and enables proactive condition monitoring, lowering downtime risk. Application: Critical IT infrastructure and climate-controlled data centers. Feature: Compact WLD 44x1695x70 mm form factor with zero-U mounting fit for VX IT frames and 19'' rails. Business Impact: Maximizes rack space utilization and simplifies installation, reducing deployment time. Application: IT cabinets and VX IT enclosure deployments. Industry context: Compliance with EN 62368-1 and EMC directives supports audit-ready data center design and future-proof scalability, while maintaining straightforward maintenance and upgrade paths.
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FAQs
The PDU is designed for vertical mounting in VX IT frames with zero-U installation. Use the enclosure frame dimensions (≥ 1,800 mm) and VX IT mounting rails (≥ 2,000 mm) to align the 44 mm width, 70 mm height, and 1,695 mm length. Connect the 3 m CEE input cable to a suitable 400 V AC supply and attach 42 C13 outlets to the IT devices. Ensure network interface cabling (2x RJ45 plus one PoE-enabled port) is routed to a secure egress and configure the web server for initial access.
Each output slot is monitored for energy usage, allowing per-outlet measurement and status display. The unit supports energy data collection via its web server and can transmit data over the Ethernet interface for integration with an ITHM or DCIM system. This enables precise load balancing, improved capacity planning, and targeted energy-saving strategies.
Yes. With 400 V AC input, 16 A per inlet, 11 kW total capacity, and 42 C13 outlets, it supports high-density IT racks. Its managed features, PoE-enabled remote access, and robust network protocols (HTTP, HTTPS, SSH, Telnet, NTP) facilitate scalable, remote operations and proactive maintenance in data centers and server rooms.
The DK 7979.442 PDU carries CE marking and conforms to the EMC Directive 2014/30/EU and EN 62368-1 safety standards. These certifications ensure regulatory compliance for electrical equipment used in professional IT environments and support audit-ready data center deployments.
By delivering per-outlet energy visibility, remote management, and automatic sequential disconnection, the PDU reduces energy waste and unplanned downtime, lowering operating costs and support overhead. Ongoing firmware updates and compatibility with CAN bus ambient sensors enable proactive maintenance and longer asset life, improving overall ROI for IT facilities.