The nVent Hoffman LI523 is a compact square 7 mm lock insert designed to provide secure access control for compatible nVent Hoffman electrical enclosures and cabinet locking systems. This enclosure accessory offers a practical locking solution for industrial control panels, automation cabinets and electrical equipment housings.
Designed for reliable enclosure security, the LI523 enables authorised personnel to access internal components while helping prevent unauthorised opening of electrical cabinets. Its standard square locking design provides a flexible access solution for industrial applications.
With a height of 16 mm and a depth of 20 mm, the nVent Hoffman LI523 provides a compact locking insert suitable for compatible enclosure handle and locking mechanisms where dependable access control is required.
Key Advantages
Original nVent Hoffman enclosure locking accessory.
7 mm square locking insert for secure cabinet access.
Compact design for integration into compatible enclosure locking systems.
Provides controlled access to electrical equipment and components.
Supports professional industrial enclosure security requirements.
Suitable for control, automation and electrical cabinet applications.
Key Features
nVent Hoffman locking accessory.
LI523 model.
Square 7 mm locking insert.
Height: 16 mm.
Depth: 20 mm.
Designed for enclosure door locking applications.
Provides secure operation of compatible locking mechanisms.
Suitable for industrial electrical enclosure systems.
Secure Access Control for Industrial Enclosures
Lock inserts are essential components for industrial enclosure systems, providing controlled access to cabinets containing electrical, automation and control equipment. They allow enclosure manufacturers and installers to configure suitable locking arrangements for different operational requirements.
The nVent Hoffman LI523 provides a dependable square locking solution for compatible enclosure systems. Its compact construction supports efficient installation while helping maintain secure protection of internal electrical components.
Typical Applications
Industrial electrical cabinets.
Automation control panels.
Machine building enclosures.
Switchgear and distribution cabinets.
OEM electrical equipment.
Industrial enclosure access control systems.
Technical Specifications
Country of Manufacture
Sweden
Manufacturer
nVent Hoffman
Series
Lock Inserts
Model
LI523
Product type
Lock insert
Locking type
Square 7 mm
Height
16 mm
Depth
20 mm
Frequently Asked Questions
What is the nVent Hoffman LI523 used for?
The nVent Hoffman LI523 is a square locking insert designed to provide secure access control for compatible electrical enclosure systems.
What type of locking mechanism does the LI523 use?
The LI523 uses a 7 mm square locking mechanism.
What are the dimensions of the LI523?
The LI523 has a height of 16 mm and a depth of 20 mm.
Where is the LI523 installed?
The LI523 is installed in compatible nVent Hoffman enclosure locking systems and handles.
Why use a lock insert in an enclosure?
A lock insert provides controlled cabinet access, helping protect electrical components while allowing authorised maintenance personnel to access equipment.
Trusted by Industrial Panel Builders Worldwide
nVent Hoffman locking accessories are widely used by electrical engineers and panel builders to provide secure, flexible and reliable access control for industrial enclosure systems.
Country of Manufacture
Sweden
Manufacturer
nVent Hoffman
Series
Lock Inserts
Model
LI523
Product type
Lock insert
Locking type
Square 7 mm
Height
16 mm
Depth
20 mm
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.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...