Why Choose the Rittal DK7979.020 PDU Plug Locking?
The Rittal DK7979.020 is a practical PDU plug locking accessory designed to secure IEC 60320 C14 and C20 connectors against accidental removal from Rittal Power Distribution Units and PSM modules. As part of the Rittal DK accessory range, it provides a reliable solution for maintaining secure power connections in professional IT rack installations.
The adjustable universal locking mechanism adapts to standard connector shapes, creating a dependable manufacturer-independent connection for commonly used power cables. This helps prevent accidental disconnection of critical equipment power supplies in server cabinets and data centre environments.
Manufactured from durable PA 12 plastic with a RAL 9005 black finish, the Rittal DK7979.020 is supplied as a 20 piece pack and is designed for use with PDU and PSM modules featuring C13 and C19 outlet slots.
Key Advantages
Reliable Rittal connector locking solution for PDU systems.
Prevents accidental removal of IEC C14 and C20 power connectors.
Adjustable design supports a wide range of standard connector forms.
Improves power connection security in critical IT environments.
Compatible with Rittal PDU and PSM power distribution solutions.
Supplied in a convenient 20 piece pack for multiple installations.
Key Features
Rittal DK accessory series.
Connector lock for IEC 60320 C14 and C20 connectors.
Adjustable universal locking mechanism.
Material: PA 12 plastic.
Colour: RAL 9005 black.
Designed for PDU and PSM modules with C13/C19 slots.
Suitable for professional rack power distribution applications.
Reliable Power Connection Security for IT Infrastructure
Secure power connections are essential in data centres and professional server environments where accidental cable removal can cause equipment downtime. The Rittal DK7979.020 connector lock provides an effective method of protecting critical IEC power connections within rack-mounted power distribution systems.
By securing C14 and C20 connectors on compatible PDU and PSM modules, this accessory helps improve installation reliability while supporting organised and dependable rack power management.
Typical Applications
Rittal PDU power distribution systems.
PSM modular power distribution installations.
Data centre server racks.
Network and telecommunications cabinets.
Critical IT equipment power connections.
Professional rack infrastructure maintenance.
Technical Specifications
Manufacturer
Rittal
Model
DK7979.020
Product type
PDU plug locking / connector lock
Application
Securing IEC power connectors
Compatible connectors
IEC 60320 C14 and C20
Compatible systems
Rittal PDU and PSM modules
Material
Plastic PA 12
Colour
RAL 9005
Pack quantity
20 pieces
Weight per pack
approx. 0.08 kg
EAN
4028177947344
Frequently Asked Questions
What is the Rittal DK7979.020 used for?
The DK7979.020 is a connector lock used to secure IEC C14 and C20 plugs in Rittal PDU and PSM power distribution systems.
Which connectors are compatible with this locking accessory?
The DK7979.020 is designed for IEC 60320 C14 and C20 connectors.
How does the connector lock prevent accidental removal?
The adjustable locking mechanism securely retains compatible connectors to help prevent unintended disconnection.
What material is the DK7979.020 made from?
The connector lock is manufactured from durable PA 12 plastic.
How many pieces are included in the package?
The Rittal DK7979.020 is supplied as a 20 piece pack.
Trusted by IT Infrastructure Professionals Worldwide
Rittal power distribution accessories are trusted by data centre operators, system integrators and service engineers for maintaining secure, reliable and efficient rack power installations.
Manufacturer
Rittal
Model
DK7979.020
Product type
PDU plug locking / connector lock
Application
Securing IEC power connectors
Compatible connectors
IEC 60320 C14 and C20
Compatible systems
Rittal PDU and PSM modules
Material
Plastic PA 12
Colour
RAL 9005
Pack quantity
20 pieces
Weight per pack
approx. 0.08 kg
EAN
4028177947344
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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Customers supported
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...