Why Choose the Cembre 2590291 HN5 Ratchet Crimping Tool?
The Cembre 2590291 HN5 is a professional mechanical ratchet crimping tool engineered for the reliable installation of non-insulated cable terminals and connectors. As part of the renowned Cembre Crimpstar® series, it delivers precise, repeatable crimps for industrial electrical installations, panel building and maintenance applications.
Featuring a factory-set ratchet mechanism with automatic handle opening, the HN5 ensures every crimp is completed before the tool releases, helping eliminate incomplete terminations while improving electrical reliability. Its compact ergonomic design reduces operator fatigue during repetitive use, making it ideal for professional electricians and OEM manufacturers.
Designed for 10 mm² to 16 mm² non-insulated conductors, the Cembre 2590291 provides dependable performance for switchgear, control panels, cable assemblies and industrial electrical systems where high-quality cable terminations are essential.
Emergency release lever for added operator safety.
Ergonomic handles reduce operator fatigue.
Compact, lightweight construction.
Designed for consistent, repeatable crimps.
Key Features
Cembre Crimpstar® HN5.
Part Number: 2590291.
Mechanical manual operation.
Ratchet-controlled crimp cycle.
Automatic handle opening after crimp completion.
Emergency jaw release mechanism.
High-strength treated steel crimp jaws.
Designed for non-insulated cable terminals and joints.
Reliable Professional Cable Termination
Professional ratchet crimping tools provide consistent compression of cable terminals, ensuring strong mechanical retention and low-resistance electrical connections. The controlled ratchet mechanism prevents incomplete crimps and helps maintain installation quality across demanding industrial applications.
The Cembre Crimpstar® HN5 is trusted by electrical contractors, panel builders and maintenance engineers for producing reliable terminations on non-insulated cable connectors used throughout industrial automation and power distribution systems.
Typical Applications
Industrial control panels.
Electrical switchgear.
Power distribution systems.
Machine building.
Cable assembly.
Industrial maintenance.
OEM manufacturing.
Electrical installation projects.
Technical Specifications
Series
Crimpstar®
Part Number
2590291
Product type
Mechanical ratchet crimping tool
Application
Non-insulated cable terminals and connectors
Conductor range
10–16 mm²
Operation
Manual ratchet
Ratchet control
Factory preset
Emergency release
Yes
Overall length
Approx. 235 mm
Weight
Approx. 0.49 kg
Handle
Ergonomic moulded grips
HS Code
82032000
Country of Manufacture
Italy
Frequently Asked Questions
What is the Cembre HN5 used for?
The HN5 is designed for crimping non-insulated cable terminals and connectors on conductors from 10 mm² to 16 mm².
What conductor sizes does it support?
It is suitable for 10 mm² and 16 mm² conductors.
Does the tool have a ratchet mechanism?
Yes. The factory-set ratchet ensures every crimp is completed before the handles release automatically.
Is there an emergency release?
Yes. An integrated emergency release lever allows the jaws to be opened if necessary before completing a crimp.
Who typically uses this crimping tool?
The HN5 is widely used by electricians, panel builders, industrial maintenance engineers and OEM manufacturers.
Trusted by Electrical Professionals Worldwide
Cembre Crimpstar® crimping tools are trusted worldwide for delivering accurate, repeatable and reliable cable terminations across industrial electrical installations and automation systems.
Series
Crimpstar®
Part Number
2590291
Product type
Mechanical ratchet crimping tool
Application
Non-insulated cable terminals and connectors
Conductor range
10–16 mm²
Operation
Manual ratchet
Ratchet control
Factory preset
Emergency release
Yes
Overall length
Approx. 235 mm
Weight
Approx. 0.49 kg
Handle
Ergonomic moulded grips
HS Code
82032000
Country of Manufacture
Italy
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...