Rittal 7979724 Surge Voltage Protector Module - Type 3, CE
Part Number: 7979724
Manufacturer
Rittal
Part number
7979724
Category
Alt Part Number
DK 7979.724
Quick Summary
The Rittal 7979724 surge voltage protector module shields terminal equipment inside enclosures from transient surges. Unprotected equipment risks downtime and costly failures from voltage spikes in demanding industrial environments. This device carries CE conformity under the Low Voltage Directive 2014/35/EU and aligns with IEC 61643-11 surge protection standards to deliver reliable protection. For engineers, it offers a plug‑and‑play, fully wired protection layer that reduces installation time and simplifies compliance. Designed for mounting on enclosure frames, it supports scalable protection alongside other Type 1 or Type 2 devices in a complete power-distribution strategy, delivering measurable business value through improved uptime and reduced risk.
Product Information
Extended Description
7979724 Rittal: DK surge voltage protector module, for terminal unit protection (type 3) with alarm contact, for fastening to the enclosure frame, rated power: 22.0 kW, rated current: 32 A, 3~, connection type: CEE connector/coupling, connection cable / length: H05VV F5G4.0 / 1 m, extruded aluminium section, anodised, RAL 9005, incl. assembly parts,
Article number
DK 7979.724
Design
Overvoltage protection type 3
Product description
Compact overvoltage protection module for protecting terminal equipment (type 3) with alarm contact, for mounting on the enclosure frame. The modules are used to protect sensitive hardware and represent the third or final stage in the overvoltage protection chain. Additionally, other type 1 or type 2 overvoltage protective devices must be present in the building installation or power distribution system.
Benefits
Fully wired overvoltage protection solution, ready to connect and use immediately
Material
Extruded aluminium section, anodised
Colour
RAL 9005
Supply includes
Assembly parts
Power consumption
22 kW
Type of electrical connection
CEE connector/coupling
Rated current (max.)
32 A
Directives
Low Voltage Directive 2014/35/EU
Standards
IEC 61 643-11
Dimensions
Width: 44 mm | Height: 75 mm | Length: 250 mm
Input cable connection (type/length)
H05VV-F3G4.0, 1 m
Output cable connection (type/length)
H05VV-F3G4.0, 1 m
Packs of
1 pc(s).
Weight/pack
3.9 kg
Customs tariff number
85366990
EAN
4028177948556
ETIM 9
EC000942
ECLASS 8.0
27130806
Product description
DK surge voltage protector module, for terminal unit protection (type 3) with alarm contact, for fastening to the enclosure frame, rated power: 22.0 kW, rated current: 32 A, 3~, connection type: CEE connector/coupling, connection cable / length: H05VV F5G4.0 / 1 m, extruded aluminium section, anodised, RAL 9005, incl. assembly parts,
Feature: Fully wired, ready-to-connect Type 3 surge protection module. Business Impact: Reduces engineering time, minimizes wiring errors, and speeds commissioning. Application: Ideal for quick enclosure frame installations protecting terminal equipment in new builds or retrofit projects. Feature: 32 A rated current and 22 kW rated power. Business Impact: Supports typical machine loads and protection for high‑demand devices without overheating or nuisance tripping. Application: Suitable for control panels serving servo drives, PLCs, and distributed I/O in manufacturing lines. Feature: CEE connector/coupling and 1 m input/output cables. Business Impact: Simplifies harnessing, lowers field cabling complexity, and improves install consistency. Application: Perfect for standardized panel builds and modular protection schemes. Feature: Extruded aluminium section, anodised in RAL 9005. Business Impact: Durable, corrosion‑resistant housing that withstands harsh environments and reduces maintenance. Application: Enclosures in paint shops, warehouses, and outdoor or semi‑outdoor installations. Feature: Assembly parts included and compact dimensions (44 mm x 75 mm x 250 mm). Business Impact: Eases mounting and reduces parts inventory; enables fit‑for‑purpose integration in tight spaces. Application: Enclosure frames with limited space, ensuring robust final-stage protection without rework. Feature: Compliance with Low Voltage Directive and IEC 61643-11. Business Impact: Ensures regulatory readiness and market access across Europe; supports audit and traceability. Application: Critical for automotive, packaging, and process industries needing certified protection devices.
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FAQs
Mount the module directly to the enclosure frame using the supplied assembly parts. Use the included H05VV-F3G4.0 cables (1 m) for input and output connections to the system bus and protective devices. Ensure the enclosure frame provides the supported mounting area and that other Type 1 or Type 2 surge protectors are present in the installation to complete the protection chain.
Key specs include a rated current of 32 A and rated power of 22 kW, designed for 3-phase systems (3~) with a CEE connector. The device is built for terminal unit protection (Type 3) and complies with IEC 61643-11 standards and the Low Voltage Directive. Plan for a suitable panel bus with compatible upstream protection devices.
Yes. The DK 7979.724 is specifically designed as a Type 3 surge protector for terminal units mounted on enclosure frames. It serves as the final stage of overvoltage protection, requiring upstream Type 1 or Type 2 devices in the building installation or power distribution system to form a complete protection chain.
The module is CE marked under the Low Voltage Directive 2014/35/EU and conforms to IEC 61643-11 for surge protection devices. This combination supports regulatory compliance in European installations and facilitates site audits, procurement approvals, and cross‑site engineering standardization.
Expect reduced wiring effort thanks to a fully wired, ready‑to‑connect solution, faster commissioning, and improved reliability of sensitive equipment. The robust anodised aluminium housing and included assembly parts simplify maintenance, while the compact form factor enables scalable protection in constrained front panels, contributing to lower total cost of ownership over the equipment lifecycle.