Rittal 7979403 PDU Energy monitoring, EN 62368-1
Part Number: 7979403
Manufacturer
Rittal
Part number
7979403
Category
Alt Part Number
DK 7979.403
Quick Summary
The PDU DK 7979403 provides high-end power distribution with per-output energy measurement for IT rack environments. In dense data centers, unclear energy consumption and limited monitoring drive downtime and higher operating costs. It is CE marked under EMC Directive 2014/30/EU and EN 62368-1 safety standards, delivering reliable compliance. Beyond monitoring, it offers robust remote management via a fully redundant Ethernet interface with PoE-capable options, supporting secure access and automation. The compact 482.6 mm 19" design with zero-U mounting for VX IT racks helps maximize space while scalable management features support growing IT workloads and improving energy efficiency.
Product Information
Extended Description
7979403 Rittal: DK PDU managed, high-end power distribution incl. energy measurement, switching and monitoring functions per output slot, with network interface and display, WHD: 450x44x144 mm, CEE 7/3: 4x earthing pin
Article number
DK 7979.403
Design
482.6 mm (19") version
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
CMC III CAN bus sensors may be connected for ambient monitoring, max. 16 sensors
Measurement functions, description
Emergency power supply to PDU web server via PoE, sequential disconnection of the outputs
Dimensions
Height: 44 mm | Depth: 144 mm | Length: 450 mm
No. of sockets and type
4 x earthing-pin, type F, CEE 7/3
Sockets
4 x earthing-pin
Rated operating voltage
230 V (AC)
Rated current (max.)
16 A
Power consumption
3.7 kW
Infeeds
Qty.: 1 | Phases per infeed: 1~
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: ≥ 800 mm | Enclosure type: VX IT 19" mounting angles: ≥ 800 mm
Packs of
1 pc(s).
Customs tariff number
85369095
EAN
4028177948051
ETIM 9
EC002762
ETIM 8
EC002762
ECLASS 8.0
27142604
Product description
DK PDU managed, high-end power distribution incl. energy measurement, switching and monitoring functions per output slot, with network interface and display, WHD: 450x44x144 mm, CEE 7/3: 4x earthing pin
Feature: per-output energy measurement and monitoring per slot → Business Impact: energy transparency enables precise chargeback, capacity planning, and fault detection → Application: IT server racks in data centers. Feature: rotatable display/controller unit inside the PDU enclosure → Business Impact: quick local status checks and reduced maintenance time → Application: rack cabinets requiring fast on-site diagnostics. Feature: fully redundant Ethernet interface with 10/100/1000 Mbit/s and PoE → Business Impact: higher network resilience and power for remote devices, improving uptime → Application: critical IT rooms and VX IT enclosures. Feature: 4 x CEE 7/3 sockets and 3 m input cable → Business Impact: flexible power topology for mixed equipment, simpler installations → Application: standard IT racks and edge deployments. Feature: EMC Directive 2014/30/EU and EN 62368-1 compliance → Business Impact: easy regulatory adherence and safer operations → Application: enterprise data centers seeking proven safety and compliance. Feature: operating range 5 °C to 50 °C and 10–95% humidity → Business Impact: reliable operation in varying environments, reducing risk of thermal issues → Application: server rooms with fluctuating ambient conditions.
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FAQs
The DK 7979403 PDU is designed for 19" VX IT enclosures with a compact WHD of 450x44x144 mm. It supports vertical mounting in zero-U space, enabling tool-free attachment in compatible VX IT frames. Once secured, connect the 3 m CEE input cable and wire your IT equipment to the four CEE 7/3 outputs for fully managed power distribution.
Each output slot includes energy measurement and monitoring functions, allowing per-slot visibility of voltage, current, and power. This enables detailed usage reporting, better capacity planning, and precise chargeback, while enabling sequential disconnection and controlled shutdown as needed to protect sensitive equipment.
Yes. The DK 7979403 is intended for IT racks in data centers and server rooms. It operates at 230 V AC with a maximum current of 16 A per infeed, supporting a 3.7 kW power rating. The unit includes a 3 m CEE input and four CEE 7/3 sockets for flexible, scalable rack power management.
The PDU is CE marked under the EMC Directive 2014/30/EU and conforms to EN 62368-1 for safety. This combination provides regulatory compliance and industry-recognized safety performance, helping you meet IT environment requirements while maintaining robust electrical and network reliability.
By delivering per-output energy data and remote management, the DK 7979403 enables energy optimization, reduces downtime risk, and simplifies incident response. The ability to monitor and control each outlet improves efficiency, supports proactive maintenance, and can shorten mean time to identify and resolve power-related issues, driving a favorable total cost of ownership.