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2026 | IEC Lock Limited.
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C20 DUAL LOCKING CONNECTOR

Release locking mechanism 
Prevents accidental disconnection
C20 lockable connector 
Features & Benefits
• 
C20 Connector cannot be accidentally pulled or vibrated out of the outlet
• 
A European, USA & Canada, Australian, and Japanese approved Dual Locking C20 IEC LOCK Connector that will lock into most C19 outlets
• 
Compatible with all generic outlets
What is IEC LOCK? 
Patented Secure Locking Mechanism 
IEC Lock® is a unique patented solution that securely locks into any standard C14 or C20 inlet. It prevents accidental power disconnection without requiring special inlets or modifications.

Protects Critical Equipment & Data
Designed for computers, servers, and sensitive electronic equipment, IEC Lock® helps safeguard valuable data and mission-critical systems by ensuring a continuous, reliable power connection.

Ideal for High-Vibration & Data Environments
Available in lockable Female C13, C15, and C19 connector versions, IEC Lock® is perfect for in-rack power within data centres and environments where vibration or movement could cause standard power cables to disconnect.
How it works
Side Locking Mechanism engages Automatically 
As the connector is pushed in, the side latch clicks into place where the socket allows, helping hold the plug securely without any extra action.
Underside release / alternative latch 
The bottom (underside) tab acts as an additional or alternative locking point. Depending on the inlet design, either the side latch or this tab will engage to provide retention.
Secure fit across standard and locking sockets
Once inserted, the connector resists accidental pull-out and vibration. It works with generic non-locking sockets as well as IEC Lock sockets
Features & Benefits
Safety
IEC Lock® guards against accidental disconnection.
Various colours
Available to help identify individual power sources.
Security
IEC Lock® protects appliances that are vulnerable to vibration.
Versatility
Retrofit solution that suits any standard IEC inlet.
Flexibility 
Total flexibility in assembling cable types, length and colour.
LSZH
IEC Lock® rewireable version offers flexibility whilst being LSZH (low smoke zero halogen) compatible.
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EL182S
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Schuko to C13 Connector 1.00mm² - 2 Metre
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EL234S
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Schuko to C13 Connector 1.00mm² - 3 Metre
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EL246S
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Schuko to C13 Connector 1.00mm² - 1.5 Metre
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EL247S
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Schuko to C13 Connector 1.00mm² - 2 Metre
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EL248S
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Schuko to C13 Connector 1.00mm² - 3 Metre
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EL249S
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Schuko to C13 Connector 1.00mm² - 1 Metre
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EL262S
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Schuko to C19 Connector 1.50mm² - 2 Metre
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EL269S
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Schuko to C13 Connector 1.00mm² - 5 Metre
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EL283S
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Schuko to C13 Connector 1.00mm² - 1.5 Metre
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EL332S
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Schuko to C13 Lock+ Connector 1.00mm²- 2 Metre
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EL341S
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Schuko to C13 Lock+ Connector 1.00mm² - 1 Metre
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EL342S
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Schuko to C13 Lock+ Connector 1.00mm² - 3 Metre
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To see the full range of IEC Lock products, please download our latest catalogue.
View all of the technical specification brochures here.