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DK7979.721 Rittal PDU OVERVOLTAGE PROTECTION 16A/1P CEE
Rittal DK7979.721 type 3 overvoltage protection module with 16 A single phase CEE connection for protecting IT rack power equipment.
£174.87
Why Choose the Rittal DK7979.721 PDU Overvoltage Protection Module?
The Rittal DK7979.721 PDU Overvoltage Protection Module is a compact surge protection solution designed to protect sensitive IT equipment connected to rack power distribution systems. As part of the Rittal DK PDU accessory range, it provides type 3 overvoltage protection with replaceable arrestors and an alarm contact for reliable monitoring of power protection status.
Designed for installation with Rittal power distribution units, the DK7979.721 helps protect terminal equipment from transient overvoltage events that can occur within electrical installations. Its compact enclosure design allows straightforward mounting on the rack frame while maintaining efficient cable management and professional installation standards.
With a 16 A single-phase supply, 230–250 V AC operating voltage, 3.7 kW rated power and a CEE connector/coupling connection, the DK7979.721 provides dependable surge protection for IT rack power infrastructure and connected terminal equipment.
Key Advantages
- Compact type 3 overvoltage protection module for Rittal PDU systems.
- 16 A single-phase power handling for rack power applications.
- Replaceable surge arrestors for simplified maintenance.
- Integrated alarm contact for protection status monitoring.
- Designed for professional mounting within IT rack environments.
- Helps protect sensitive connected equipment from transient voltage events.
Key Features
- Rittal DK PDU overvoltage protection module.
- Type 3 surge protection for terminal equipment protection.
- 16 A rated current.
- Single-phase 230–250 V AC operation.
- 3.7 kW rated power capacity.
- CEE connector and coupling connection system.
- H05VV-F3G2.5 connection cable, 1 m length.
- Replaceable arrestors during operation.
- Optical status indication and alarm contact.
- Aluminium extruded housing with anodised finish.
Reliable Power Protection for IT Infrastructure
The Rittal DK7979.721 provides an additional layer of protection for rack-mounted electrical equipment by reducing the risk of damage caused by transient overvoltages. This makes it suitable for professional IT environments where continuous equipment availability and power reliability are essential.
By combining surge protection, replaceable arrestors and alarm signalling, the module supports proactive maintenance strategies and helps protect valuable servers, networking equipment and other connected devices within rack installations.
Typical Applications
- Server rack power protection.
- Data centre electrical infrastructure.
- Network cabinet installations.
- Telecommunications equipment racks.
- Rittal PDU protection applications.
- Industrial IT and control system cabinets.
Technical Specifications
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| Material | Aluminium | |
|---|---|---|
| Accessory Type | Power Distribution | |
| Manufacturer | Rittal | |
| Series | DK PDU Accessories | |
| Model | DK7979.721 | |
| Product type | PDU Overvoltage Protection Module | |
| Protection type | Type 3 surge protection | |
| Rated current | 16 A | |
| Rated power | 3.7 kW | |
| Operating voltage | 230–250 V AC | |
| Input phases | 1-phase | |
| Connection type | CEE connector/coupling | |
| Connection cable | H05VV-F3G2.5 | |
| Cable length | 1 m | |
| Protection rating | IP20 | |
| Housing material | Aluminium, anodised | |
| Colour | RAL 9005 | |
| Weight | Approx. 1.86 kg |
Frequently Asked Questions
What is the Rittal DK7979.721 used for?
The DK7979.721 is a type 3 overvoltage protection module designed to protect terminal equipment connected to Rittal PDU systems.
What current rating does the DK7979.721 support?
The module supports a rated current of 16 A for single-phase applications.
What type of protection does this module provide?
The DK7979.721 provides type 3 surge protection using replaceable arrestors to help protect connected equipment from transient overvoltages.
Does the module provide protection status monitoring?
Yes, the module includes an alarm contact and status indication for monitoring the condition of the overvoltage protection system.
Where is the Rittal DK7979.721 installed?
The module is designed for mounting within IT rack power distribution installations and compatible Rittal PDU systems.
Trusted by IT Infrastructure Professionals Worldwide
Rittal power protection accessories are trusted by data centre operators and IT professionals to improve rack power reliability and safeguard critical electronic equipment against electrical disturbances.
