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2026 | IEC Lock Limited.
Part of the Scolmore Group. All rights reserved.

IEC LOCK C21
LOCKING CONNECTOR

Release locking mechanismĀ 
Prevents accidental disconnection
C13 lockable connectorĀ 
Features & Benefits
• 
Heat tolerance of up to 155°C
• 
Ideal for data centres, broadcast & medicalĀ 
• 
Vibration proof with side release button
• 
Capable of handling higher currents
What is IEC LOCK?Ā 
Patented secure locking mechanismĀ 
IEC LockĀ® 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 LockĀ® 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 LockĀ® 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
Pull the tab back and then push the connector into any standard IEC inlet, release the tab and it is locked in position
Connector CANNOT be accidentally pulled or vibrated out of the inlet
Slide back the ā€˜red’ tab to release and remove connector from inlet
Features & Benefits
Safety
IEC LockĀ® guards against accidental disconnection.
Various colours
Available to help identify individual power sources.
Security
IEC LockĀ® protects appliances that are vulnerable to vibration.
Versatility
Retrofit solution that suits any standard IEC inlet.
FlexibilityĀ 
Total flexibility in assembling cable types, length and colour.
LSZH
IEC LockĀ® rewireable version offers flexibility whilst being LSZH (low smoke zero halogen) compatible.
To see the full range of IEC Lock products, please download our latest catalogue.
View all of the technical specification brochures here.